REASONS FOR JUDGMENT
SPENDER J:
1 I have had the benefit of reading in draft form the reasons for judgment of Dowsett and Edmonds JJ. I agree, for the reasons which their Honours give, that both the appeal and the cross-appeal should be allowed. I agree that it is necessary, because of the complexity of the case identified by the parties, and despite the wishes of the Court to finalise the matter, for the matter to be referred back to the Administrative Appeals Tribunal ('the Tribunal').
2 I agree also that the primary exercise for the Tribunal on the referral back of this matter is to identify the net value to Mr and Mrs Tsourounakis of their property at West End.
3 It is in the approach to that task that I differ from the approach suggested by Dowsett and Edmonds JJ.
4 The facts in this case give rise to difficult questions of Estoppel in Equity.
5 As the learned authors of the Fourth Edition of Meagher, Gummow, and Lehane's Equity: Doctrines and Remedies (2002, Butterworths LexisNexis) ['Equity: Doctrines and Remedies']observe at par 17-005, '… In Australia, the law in this field continues to be in a state of flux …'.
6 The authors note that the difference of opinion between the attempted formulation by Mason CJ and Deane J in The Commonwealth of Australia v Verwayen (1990) 170 CLR 394 of a 'single overarching doctrine' or 'a general doctrine of estoppel by conduct', and the contrary view of Dawson and McHugh JJ in that case. The differences 'have engendered a predictable but not entirely healthy quantity of commentary'.
7 The authors set out at footnote 1 at p 535 a very extensive list of that commentary, to which can usefully be added the valuable monograph by the Honourable Mr Justice K.R. Handley AO, Estoppel by Conduct and Election (2006) Street and Maxwell ('Handley on Estoppel by Conduct and Election'), and his Honour's recent article 'The three High Court decisions on estoppel 1988-1990' (2006) 80 ALJ 724.
8 The question in the present proceedings is, what, at the relevant date, was the value of Mr and Mrs Tsourounakis' ('the parents') joint interest in the property at 16 Ganges Street, West End ('the property'). Mr Tsourounakis is a 75 year old veteran of the KoreanWar, and eligible for a service pension under the Veterans' Affairs Entitlement Act 1986 (Cth). The question is relevant to the amount of that pension.
9 Michael Tsourounakis ('Michael'), (the son of Mr Emmanouil and Mrs Vasiliki Tsourounakis), and his wife ('Mary') moved into the house in 1991 and have resided there ever since. The Repatriation Commission ('the Commission') claims that Mr and Mrs Tsourounakis at all material times were the legal and beneficial owners of the property. The parents submit that, as a result of the circumstances in which their son and his wife came to reside in the house, and the expenditure by his son and daughter-in-law on improvements to the property since they first came to live in it, the parents are estopped from denying that the property is now beneficially owned by Michael.
10 The contentions of the proprietary estoppel involved in this case were set out by the Full Court (Spender, Kiefel and Emmett JJ) ('the first Full Court') [Repatriation Commission v Tsourounakis [2004] FCAFC 332] in setting aside the first decision of the Tribunal in this case, and remitting the matter to the Tribunal:
'46. In essence, Mr and Mrs Tsourounakis contend that Michael has acquired an interest in the Property by the operation of the doctrine of proprietary estoppel, which finds its origin in the 19th Century (see Dillwyn v Llewelyn 1862) 45 ER 1285 and Ramsden v Dyson (1866) LR 1 E&IA 129). The attraction of that doctrine would require the establishment of the following matters (see Dinyarrak Investments Pty Ltd v Amoco Australia Ltd (1982) 45 ALR 214):
(a) an expectation or belief by Michael, created and encouraged by Mr Tsourounakis, that Mr and Mrs Tsourounakis will give the Property to him on the death of the survivor of them and will, in the meantime, permit him and his family to live there free of interest on the basis that he will bear all outgoings in respect of the Property and is otherwise free to do with the Property what he likes;
(b) knowledge by Mr and Mrs Tsourounakis of Michael's expectation or belief;
(c) expenditure of time, energy and money by Michael in reliance upon that expectation or belief;
(d) knowledge by Mr and Mrs Tsourounakis of Michael's expenditure of time, energy and money, coupled with a failure to assert any title to the Property, such that it would be fraudulent for them to rely on their legal ownership to defeat the expectation and belief encouraged by their conduct or the lack of conduct on their part.'
47. Mr and Mrs Tsourounakis contend that the evidence supports a finding that it would be unconscionable to treat them as having any remaining beneficial interest in the Property. They say that Michael and Mary have contributed time, effort and money in renovating and improving the Property and treating it as their family home in reliance upon the assurances given by Mr and Mrs Tsourounakis that they should treat the Property as their own and that it would be given to Michael absolutely upon the death of the survivor of Mr and Mrs Tsourounakis.
48. Accordingly, Mr and Mrs Tsourounakis say, it would be unconscionable for them to assert their legal ownership of the Property to dispossess Michael and his family and that they would be restrained by a court of equity from doing so. Alternatively, Mr and Mrs Tsourounakis say that, even if they should not be treated as bare trustees of the Property, a court of equity would intervene to restrain them from dispossessing Michael and his family and selling the property unless the provided appropriate compensation to him for the expenditure that he has made in improving the Property. It may be that the evidence is capable of supporting such a conclusion. It may be that that is what the Tribunal had in mind in the conclusion that it reached. However, no findings were made by the Tribunal that would enable such a conclusion to be drawn.'
11 That extract of the first Full Court's reasons highlights what is the real question in this case, namely:
(i) Is the parents' interest to be regarded as nil, because the expectation encouraged was the entire interest in the property, and there is no difficulty in conveying the title (which is the interest promised)?
(ii) Is the expectation encouraged by the parents (which led to the expenditure of time, money, and energy by Michael and Mary in improving the property, and the payment of all outgoings) simply that Michael and his family were to be allowed to live in the house rent free, and to have the title of the property bequeathed to Michael on the death of his surviving parent; that is to say, Michael has a reversionary interest in the estate on the death of his surviving parent, and until that vests, he has the right to live there rent free on the basis that he meets all outgoings?
If so, the value of the parents' interest at any relevant time is the market value of the property, less the sum of Michael's reversionary interest and Michael's Profit Rental, as assessed at that time; or
(iii) Is the parents' interest not to be calculated by what would be required to make good the expectation of Michael (and Mary) which was encouraged by the parents, but that equity would require Michael to be compensated for the expenditure and other detriments suffered in reliance of the encouraged expectation?
12 In my opinion, the expectation encouraged by Michael's parents is that described by the first Full Court set out in par 46(a) of the Court's reasons above.
13 I have real difficulty in seeing how 'compensation' (the third basis set out above) is the preferred solution in the circumstances of this case. This is particularly so when it is suggested that contributions during Michael's bankruptcy, and contribution by him (and by Mary) pre and post his bankruptcy, somehow might have to be treated differently. I regard these questions as irrelevant to the present task, even if that task is seen as assessing the extent of Michael's contributions. Equity would require the entirety of contributions made on the encouraged expectation to be taken into account in assessing the compensation the owners would be ordered to pay. It is irrelevant that part of the contributions were 'assets of Michael' or might be 'assets of his trustee in bankruptcy.'
14 In the original decision of the Tribunal of 18 March 2004, the Tribunal held that in 1992 the beneficial ownership of the property had passed to Michael. That finding was held by the first Full Court to be unsupported by the evidence, and, indeed, contrary to it. The Court observed at par 45 of its reasons:
'Counsel for Mr and Mrs Tsourounakis, quite properly, made no concerted effort to support the decision of the Tribunal. The real debate concerned the extent to which it would have been open to the Tribunal to conclude that the value of the interest of Mr and Mrs Tsourounakis in the Property should be treated as diminished by reason of the contribution made by Michael and Mary to the renovation and improvement of the Property. In essence, the question is whether Mr and Mrs Tsourounakis are free to dispose of the Property and to retain the whole of the proceeds of sale for their own benefit or whether, by reason of their conduct, their freedom to deal with the property as their own has been severely constrained.'
15 In my opinion, by the application of the maxim Aequitas est aequalitis, or 'equity is equality', the finding of the second Tribunal that Michael had a beneficial interest in the property to the extent of one half, involved an erroneous legal method for determining the extent of that interest. It may have been different if the Tribunal, having regard to the difficult matters of assessment, and therefore adopting a very broad-brush approach, had made a factual determination that the interest of Michael was to the extent of one half. That conclusion, arrived at in that way, might be supported as a finding of fact, which involved no error of law.
16 As the comments of the first Full Court noted above indicate, the factual circumstances, and, in particular, the expectations generated and acts done in reliance of the promises made, are of critical importance in determining the value of the proprietary estoppel in favour of Michael. Depending on those matters, it might be that the interest in the property of the parents is zero, or some lesser amount.
17 Dowsett and Edmonds JJ are of the view that the expenditure and work by Michael during the time of his bankruptcy was such that Michael acquired an asset which vests in his Trustee in Bankruptcy, and therefore is to be disregarded in assessing the diminution in value in the parents' interest in the property. Unfortunately, I disagree.
18 Whether the labour by Michael and the contributions in money and time made in improving the property prior to his discharge from bankruptcy in 1997 resulted in 'an asset' which vested in his Trustee or not, that contribution cannot be ignored in assessing the diminution of the value of the parents' interest in the property.
19 The submission on behalf of Mr and Mrs Tsourounakis is that any interest which may have vested in the Trustee in respect of the contributions made by Michael prior to his discharge from bankruptcy in 1997 went in diminution of the parents' interest in the property.
20 In my respectful view, the task is to determine what equity would require of the parents, having regard to the expectation in Michael they generated, and what he did in reliance on it. It is quite irrelevant to consider whether Michael's efforts from the commencement of his bankruptcy until his discharge resulted in 'an asset', either in Michael or as vesting in his Trustee.
21 It is necessary to consider with some nicety what was the expectation in Michael, and what was done in reliance on the promise made by the parents.
22 Emmanouil Tsourounakis, Michael's father, says that after 'Michael's trouble' some time in 1991, he asked the tenants of the West End property to move out, and Michael and his family moved in:
'4. I said to Michael for him to move in and that he was to have the house. I told him that we would not charge him rent. I was very happy to have Michael have the house, but we could not have the house put in his name at that time because of his trouble. When Michael was finished with his trouble I told him to have the house and for him to spend his money doing the house up as it was his.
5. As far as my wife and myself are concerned the house was Michael's house from 1992 but we could not give it to him at that time because of his trouble.'
23 Michael's mother, Vasiliki, said:
'4. It was a very old house when Michael moved into it. The roof was leaking and he and his wife had to do a lot of repair work.
5. My son moved into the house because he was having financial difficulties. He had gone as guarantor for another business man and he had lost everything. He had a beautiful home in the Gap, but he lost that and his family had no-where to live.
6. My husband and I discussed Michael's difficulties. We decided that to help him and his family out we would give him the house in West End.
7. It was our decision to give the house to Michael and his family. He did not pay rent. Everyone in the family knew that it was Michael's house.
8. Michael has made a lot of repairs to the house over the years and spent a lot of money on it and my husband and I have not contributed to that or helped him financially with any alterations.'
24 Michael says:
'7. … My father told me that he intended to leave the house to me in his will. He said that he knew that I was having trouble finding somewhere to live. He said that since it would one day be mine someday anyway, and since I had no permanent place to live, there was no reason not to give it to me now.
8. My father suggested that I move into the house and that I consider it my house to do with what I wanted to. He said that it was very run down and would need a lot of repairs. We decided that the house could not be transferred over into my name because my creditors would then simply take the house to pay off my debts and my family would be left without a place to live again.
9. The arrangement was that it would be my house, but my father would leave the title in his name until I had gotten out of financial difficulties. I thought of the house as being held "in trust" for me. I do not use the term "in trust" to refer to a formal trust agreement. I use the term to describe a private family arrangement where the property would be held in my father's name indefinitely, or until such time that I was in a position to have the property transferred over to me.'
25 Michael also says of his bankruptcy:
'13. Between 1991 and 1994 I did my absolute best to pay off my creditors. I tried to pay as much as I could, but the banks and creditors continued to put a lot of pressure on me. With a wife and 2 young children I was finding it impossible to keep up with the repayments and to get ahead. I reached a point where I was backed into a corner and there was no way to get out other than to declare myself as bankrupt.
14. I finally declared bankruptcy in December of 1994.
15. When I opted for bankruptcy I didn't declare the house as an asset. If I had done so then the house could have still been taken off me and any improvements that I had made would have been for nothing. I would have gone back to square one and I would have had nowhere for my family to live.
16. I had already lost one house because of my debts and I didn't want to lose another one.'
26 Michael was discharged from his bankruptcy in 1997.
27 When Michael approached the National Australia Bank in early 2000 seeking $100,000 to make further renovations and other improvements on the house, his parents decided that they did not want to act as guarantors. According to Michael:
'They felt that this was my house and the renovations were not any concern of theirs. They felt that they had nothing to do with the place. As far as they were concerned they did not want to have to worry about acting as guarantors for large sums of money at that late stage of their lives.'
28 Michael's father-in-law obtained loans totalling just under $130,000 in January 2002. Of the improvements to the property, Michael says:
'I would not have spent that amount of time and money renovating and living in a property if I did not consider it my own house.'
29 In the first decision of the Tribunal, the Tribunal noted:
'3. In October 2002, a delegate of the Respondent valued the house at $670,000 and assessed the service pension payable to Emmanouil and Vasilliki at $0 per fortnight.
4. Upon reconsideration, revaluation and receiving information that Michael had spent $352,523 in materials and labour on the house, a delegate of the Respondent revalued the house at $540,000, and assessed the value to Emmanouil and Vasiliki at $334,109.42. This value still meant that the assets of Emmanouil and Vasiliki were assessed as exceeding the threshold and their pensions remained at $0 per fortnight.'
30 The Tribunal found:
'8. However, irrespective of what the documentation may say, I find that Emmanouil and Vasiliki gave the Ganges Street house to Michael in 1992.'
31 The first Full Court said:
'51 … The question is not whether Mr and Mrs Tsourounakis are threatening to act in an unconscionable manner. The question is whether, if they did, Michael would be entitled in equity to restrain them from doing so. If he would, the value of the Property to Mr and Mrs Tsourounakis must be diminished to the extent that they would be required to compensate Michael as a term of avoiding any restraint by a court of equity. If a court of equity would treat Michael as the beneficial owner of the Property, the value of the interest of Mr and Mrs Tsourounakis must be regarded as nil.
52 The object of the remedy that might be ordered by a court of equity in a case of proprietary estoppel is not necessarily to make good the belief and expectation encouraged by the conduct of the owner, but to recompense the claimant for the expenditure or other detriment suffered as a consequence of reliance on the belief and expectation so encouraged. In many cases where the requirements summarised above are satisfied, it will be possible for the owner of property to fulfil the equitable obligation owed only by conveyance or transfer of the interest, the expectation of which was encouraged by the owner's conduct. However, in other cases, it will be appropriate for lesser relief to be awarded. For example, where the expenditure or detriment is slight in comparison to the value of the property in question, it would be inappropriate to penalise the owner by depriving the owner of full ownership of the property.
53 The task of the Tribunal on reconsideration of the matter according to law would be to examine the extent to which a court of equity would require Mr and Mrs Tsourounakis to compensate Michael as a term of being permitted to dispossess him and his family and to sell the Property. That is to say, it would be necessary to enquire whether the assurances that were given by Mr Tsourounakis in 1992 and the conduct of Mr and Mrs Tsourounakis since that time have given rise to an estoppel against their assertion of full beneficial ownership in the Property. At one end of the spectrum, a court of equity may impose a constructive trust, if that is the only way in which equity can be done as between Mr and Mrs Tsourounakis on the one hand and Michael on the other. However, a court must first decide whether there is an appropriate equitable remedy that falls short of the imposition of a trust: see Giumelli v Giumelli (1999) 196 CLR 101 at [10].'
(Emphasis in original.)
32 The first Full Court said at par 57:
'57 In circumstances where Michael and his family have treated the Property as their home for more than 13 years and have incurred expenditure that has increased its value to a very significant degree, it may be that the only appropriate order is to treat Michael as having an entitlement to remain in possession of the Property for the lifetime of the survivor of his parents and to be given the property by testamentary devise by the survivor. Such a conclusion may mean that the value of the interest of Mr and Mrs Tsourounakis in the Property would be very close to nil. On the other hand, it may be significant that, in his letter to the Commission of 15 November 2002, Michael asserted that his parents still had a net equity in the Property of $200,000. The appropriate diminution in the value of the interest of Mr and Mrs Tsourounakis would be a matter for the Tribunal.'
33 The authors of Equity: Doctrines & Remedies state at par 17-100:
'The cases following Dillwyn v Llewelyn (1862) 4 De G F & J 517 … and Ramsden v Dyson (1866) LR 1 HL 129 are exceptions to the general rule that if A spends money on the property of B then prima facie he has not acquired a proprietary interest in the property: Pettit v Pettit [1970] AC 777 … They have also been treated as exceptions to the maxims that equity will not assist a volunteer, and, more narrowly, in the Dillwyn v Llewelyn category that it will not compel completion of an incomplete gift: Corin v Patton (1990) 169 CLR 540 at 557 …'
34 In this case, it is clear that there was an expectation or belief by Michael that his parents would at a later time give full ownership of their house to him; his parents, of course, were aware, and, in fact, had engendered this expectation or belief. Michael had expended a large amount of time and money on the property in reliance upon his expectation and belief that the house would be his; and his parents were aware of the fact that he had spent a considerable amount of time and money on first rendering the house habitable, and then effecting substantial improvements to it; and also that all outgoings in respect of the improvement and maintenance of the property (all rates, insurances, phone bills, and responsibility for the payment of borrowings used to effect improvements on the property) were met by Michael and his wife Mary.
35 The learned authors of Equity: Doctrines & Remedies say at par 17-110:
'Where the expectation encouraged is the acquisition of an interest in the property, within the Dillwyn v Llewelyn (1862) 4 De G F & J 517; 45 ER 1285; [1861-73] All ER Rep 384 line of authorities, then prima facie the other party can fulfil his equitable obligation only by conveyance or transfer of that interest: Chalmers v Pardoe [1963] 3 All ER 552; [1963] 1 WLR 677 and see E Cooke 'Estoppel and the Protection of Expectations' (1997) 17 LS 258. This was decreed in Dillwyn v Llewelyn itself; Brogden v Brogden (1920) 15 Alta LR 499; 53 DLR 362; McMurchy v Stewart (1926) 3 DLR 448 and Thomas v Thomas [1956] NZLR 785.'
(Emphasis added).
36 The authors continue:
'But where no such conveyance can effectively be made, for example, for reasons of title or supervening events, the complainant may have to be satisfied by a charge or lien for his expenditure: Unity Joint Stock Mutual Banking Assn v King (1858) 25 Beav 72; 53 ER 563; Morris v Morris [1982] 1 NSWLR 61; Giumelli v Giumelli (1999) 196 CLR 101 ['Giumelli'] …'
37 It is, to my mind, significant that Giumelli is cited as an example where lesser relief for proprietary estoppel was ordered because no conveyance 'could effectively be made'.
38 The authors later continue:
'However, in cases where there were no difficulties in conveying the title or in quantifying the interest promised, the courts have still treated themselves as free to give some lesser relief: Re Whitehead [1948] NZLR 1066; Raffaele v Raffaele [1962] WAR 29.'
39 The authors note that:
'These cases are not consistent with the analysis of Kitto J in Olsson v Dyson (1969) 120 CLR 365 … essential to which is the concept of the equity as one to make good the encouraged expectation.'
40 On the other hand, the authors suggest that in England there is no guiding principle in framing relief, stating in par 17-110 that:
'Scarman LJ in Crabb v Arun District Council [1976] Ch 179; [1975] 3 All ER 865 took the view that in framing relief the court was unhindered by principle, save perhaps a propensity to recompense the plaintiff's expenditure or other detriment suffered, rather than make good the expectation encouraged. Recent English decisions have continued to follow this approach: see Sledmore v Dalby (1996) 72 P & CR 196; Gillett v Holt [2001] Ch 210 … Campbell v Griffin [2001] EWCA Civ 990.'
41 It seems to me that the parents in this case, on one view, could fulfil their equitable obligation to Michael only by a conveyance or transfer of their interest in the property. This seems, in effect, to be the preferred approach by the authors of Equity: Doctrines & Remedies, where the authors state later in par 17-110:
'In principle, as Bright J observed in Jackson v Crosby (No 2) (1979) 21 SASR 280 at 289, the remedy should relate to the understanding of the parties and the expectation encouraged. The concern for third parties is one reason why in Giumelli v Giumelli (1999) 196 CLR 101 at [10] … the High Court insisted that only if there were no appropriate equitable remedy which fell short of the imposition of a constructive trust should a trust be imposed …'
42 Alternatively, if the understanding of the parties and the expectation encouraged by the parents was that Michael and his family would live in the property rent free, but meeting all out-goings, and that he would inherit the property from the survivor of his parents, the parents' interest is to be assessed as the difference between the market value of the property and the sum of the profit rental, and the reversionary interest of Michael in the property.
43 Giumelli was a case in which relief by way of conveyance and transfer was rendered difficult, because of the possible injustice to third parties in the complicated factual circumstances of that case.
44 In Giumelli, after the son Robert married in 1981, his parents promised him that a larger property, some short distance away from the parents' small orchard property, would be subdivided to create a lot (the promised lot) which would include the house and the orchard, if he stayed on the property, and did not accept an offer from this father-in-law to work elsewhere. Robert refused that offer, but his wife refused to live on the property. They separated late in 1981 and were divorced in 1983. Robert lived and worked on the property, and planted a new orchard. He decided to marry a woman of whom his parents disapproved. In May 1985, they told him he would have to choose between his proposed new wife and the property. He married and left the property. Another son, Steven, married in 1985, and lived with his own family in a house on the larger property. Steven made certain improvements to the land.
45 It is important to note from the reasons of Gleeson CJ, McHugh, Gummow and Callinan JJ at 115 that:
'His Honour [the primary judge] did not determine the precise extent to which the development and improvement of the Dwellingup property took place as a result of Robert's labours. The primary judge did find that Robert had worked hard and had made a major contribution to the development and that other members of Robert's family had done likewise.'
46 The Full Court of the Supreme Court of Western Australia granted a declaration that the parents held the whole of the larger property on trust since May 1986 to convey to Robert an unsubdivided portion thereof identified as 'the promised lot', and ordered them to do all things necessary to procure the subdivision so as to create the promised lot. May 1986 was when Robert commenced proceedings against his parents and his two brothers, Tony and Steven, to wind up the partnership, and for a declaration that the partnership had a charge over both of the properties for the value of the improvements.
47 The joint judgment in the High Court in Giumelli noted:
' … the order made by the Full Court is akin to orders for conveyance made by Lord Westbury LC in Dillwyn v Llewelyn [(1862) 4 De GF & J 517 at 523 45 ER 1285 at 1287] and more recently by McPherson J in Riches v Hogben [1985] 2 Qd R 292 at 302.'
48 Their Honours recognised that this was not a 'joint venture' type case like Baumgartner v Baumgartner (1987) 164 CLR 137.
49 Their Honours said:
'The present case fell within the category identified by the Privy Council in Plimmer v Mayor, &c, of Wellington (1884) 9 App Cas 699 at 714 where the "the Court must look at the circumstances in each case to decide in what way the equity can be satisfied". Before a constructive trust is imposed, the court should first decide whether, having regard to the issues in the litigation, there is an appropriate equitable remedy which falls short of the imposition of a trust. At the heart of this appeal is the question whether the relief granted by the Full Court was appropriate and whether sufficient weight was given by the Full Court to the various factors to be taken into account, including the impact upon relevant third parties, in determining the nature and quantum of the equitable relief to be granted.
(Footnotes omitted).
50 Their Honours, at par 35, quoted McPherson J in Riches v Hogden where his Honour said:
' … the equitable principle has no application where the transaction remains wholly executory on the plaintiff's part. It is not the existence of an unperformed promise that invites the intervention of equity but the conduct of the plaintiff in acting upon the expectation to which it gives rise. That is why in Dillwyn v Llewelyn (1862) 4 De GF & J 517 , where the son built on land promised but not effectively conveyed to him by a memorandum signed by his father, Lord Westbury LC said that the only inquiry was "whether the son's expenditure, on the faith of the memorandum, supplied a valuable consideration, and created a binding obligation".'
51 Their Honours in the High Court continued at par 36:
'In Olsson v Dyson (1969) 120 CLR 365 at 378, Kitto J observed that the judgment of the Lord Chancellor in Dillwyn v Llewelyn seemed to contain two concurrent lines of reasoning. One was that, assuming there was no contract, nevertheless the conduct of the father was such as to bind him in conscience to make the legal situation correspond with the implication and the encouragement given the son to lay out the money. The other was that the father's conduct in encouraging the son to build the house on the footing that the land would be his, when acted upon by the son, created an equity which bound the father to make good the son's expectation.'
52 The joint judgment in Giumelli expressed its conclusion at pars 49 and 50:
'… Before making an order designed to bring about a conveyance of the promised lot to the respondent, the Full Court was obliged to consider all the circumstances of the case. These circumstances included the still pending partnership action, the improvements to the promised lot by family members other than Robert, both before and after his residency there, the breakdown in family relationships and the continued residence on the promised lot of Steven and his family. It will be recalled that Steven is a party to the partnership action but not to the present action.
When these matters are taken into account, it is apparent that the order made by the Full Court reflected what in Verwayen was described as the prima facie entitlement of Robert. However, qualification was necessary both to avoid injustice to others, particularly Steven and his family, and to avoid relief which went beyond what was required for conscientious conduct by Mr and Mrs Giumelli. The result points inexorably to relief expressed not in terms of acquisition of title to land but in a money sum. …'
53 The complications which attended Giumelli simply do not arise in the present case.
54 This Full Court is authorised to make appropriate findings of fact not inconsistent with those made by the Tribunal. Having regard to the history of the matter, dating from the decision the subject of various determinations made in October 2002, it is, in my opinion, desirable to bring the matter to a conclusion.
55 In my opinion, the principle to be applied in a case such as this, as indicated by the authors of Equity: Doctrines & Remedies, is that the remedy should relate to the understanding of the parties and the expectation encouraged.
56 The judgment of Kitto J in Olsen v Dyson (1969) 120 CLR 365 makes plain that the concept underpinning proprietary estoppel is an equitable right to have made good the encouraged expectation. Sir Frank Kitto was the author of the memorable foreword to the First Edition of Maher, Gummow, and Lehane's Equity: Doctrines & Remedies, and in my respectful opinion, his analysis of principle in Olsen v Dyson points the way to the answer in the present circumstances.
57 Either Michael's equity would result in the conveyance or transfer of Mr and Mrs Tsourounakis's interest to Michael, resulting in the determination that the value of the parents' interest in the West End property is zero, or Michael's equity as at any particular time, because of the encouraged expectation, is the value of the reversionary interest and the value of the profit rental, with the consequence that the parents' interest at that time is the market value of the property less the value of that equity. The relevant time appears to be October 2002.
58 In considering the latter alternative, the Valuation Report prepared by TaylorByrne Valuers concerning the value of Michael's interest is directly relevant.
59 In that valuation, Mr Kevin Walsh of Taylor Byrne Valuers said:
'It is considered that since 1991 Michael has an expectation that:
(a) Tsouranakis' Senior have bequeathed title to the property to him upon the death of the survivor of them (a reversionary interest), and
(b) will, in the meantime, permit him and his family to live there free of rent (a profit rental) on the basis that he will bear all outgoings in respect of the property, and is otherwise free to do the property what he likes.'
(Emphasis in original.)
60 Mr Walsh concluded, after considering the interest both of the parents and Michael, that the market value of the property was in accordance with the following table:
1/10/1991 30/9/2002 13/4/2005
Market Value $90,000 $500,000 $650,000
Apportionment
Interest of Mr & Mrs Tsourounakis Senior $27,000 $ 74,000 $159,000
Interest of Michael Tsourounakis and his wife $63,500 $426,000 $491,000
Total Market Value $90,000 $500,000 $650,000