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[2013] NSWLEC 1177
Land and Environment Court (NSW)
2013-09-16
Mr J, Ms J
Original judgment source is linked above.
Mr R O'Gorman Hughes (Respondent) Kiki Kyriacou Lawyers (Applicant)
Ms J Amy (Respondent) File Number(s): 10337 of 2013
Background 1This appeal was lodged against Council's refusal to issue a Building Certificate for part of the rear roof component of a partially completed two-storey dwelling at 215 Loftus Avenue, Loftus. The component is an extension of the roof slab, which effectively provides a 4.2 m wide cover over the first level balcony. 2The site has an area of 1011.7 sq m and a frontage of 20.117 m to Loftus Avenue, which is adjacent to the Illawarra railway line. The surrounding development comprises town houses to the east and a twostorey dwelling to the south. Other nearby development comprises low-density residential development. 3The development history involves:
The Building Certificate application 5As noted, this application refers only to the 3 m extension of the roof slab and the five supporting piers on the first level balcony, of the partially completed, twostorey dwelling house. 6The consent for this dwelling approved an elevated balcony at the rear of the dwelling, adjacent to a designated entertainment room and bedroom with doors approximately 3.6 m wide onto the balcony. The area of the approved balcony is 4.2 m wide by 13.5 m long. The consent allowed for the concrete roof slab above the balcony to extend1.2 m over the balcony and for 1,600 mm privacy screens to be erected along the sidewalls. 7However the construction of the dwelling have resulted in the roof slab being extended across the entire 4.2 m width of the balcony and supported on four additional piers along the northern extremity, together with a structural concrete column midway along the eastern wall. 8Insofar as Council's stated outcome is that the width of the roof slab should be reduced by 3 m, the applicant says that this is unreasonable as the resultant impacts are satisfactory and it would incur considerable costs because of the design and support structure of the integrated roof slab.
Planning controls 9According to the evidence presented to the Court, the following controls are relevant. The site is affected by the provisions of Sutherland Shire Local Environmental Plan 2006 (SSLEP2006), wherein Clause 11 - Zones identifies the site as being located within Zone 4 - Local Housing. A dwelling house is a permissible land use under the Zone 4 Local Housing zone. 10In cl 3 the relevant aims include:
The evidence 16Detailed joint planning and engineering reports were presented by:
Amenity impacts 25This issue concerns privacy, aural and visual impacts, particularly due to the likely increased use of the covered balcony. In terms of the privacy concerns, Mr Nash acknowledges that the approved 1,600 mm privacy screens are satisfactory for the existing approval. However he says that with the balcony being covered, this will likely change the character of the balcony area likely increase the usage and potential privacy impacts on neighbours. 26He does not consider the placement of the 2 m wide planter boxes will effectively reduce privacy impacts, particularly from increased usage. Instead he says that there would be increased privacy impacts on No 211/213. In this regard he relies on the following Super Studio v Waverley Council [2004] NSWLEC 91 planning principle: Planning principles 5 Several planning principles are relevant to the determination of this appeal. The first is that the acceptability of an impact depends not only on the extent of the impact but also on reasonableness of, and necessity for, the development that causes it. For example, the privacy impact of a second-storey side window in an area of two-storey buildings should be accorded a higher threshold of acceptability than the impact of a second-storey balcony in a house that already has three other balconies. Applying this principle to the present case, I note that the approved proposal already has three outdoor areas. The surrounding houses do not have roof terraces, so a roof terrace would be a new element in the area. This does not mean that it is inappropriate, only that its impact should be assessed with heightened sensitivity. A roof terrace e would be acceptable only if its impact were minor or negligible. 6 The second principle is that where proposed landscaping is the main safeguard against overlooking, it should be given minor weight. The effectiveness of landscaping as a privacy screen depends on continued maintenance, good climatic conditions and good luck. While it is theoretically possible for a council to compel an applicant to maintain landscaping to achieve the height and density proposed in an application, in practice this rarely happens 7 The third principle relates to the extent to which an approval for this application would be used as a precedent in favour of approving other applications for roof terraces. The possibility that an approval may constitute a precedent has not been a factor in my decision. Other roof terraces would have different impacts from those of the current proposal. 27It is Mr Nash's opinion that the removal of the 3 m roof extension over the balcony will limit its likely use for entertainment purposes and thereby minimise the likelihood of adverse amenity impacts on neighbours. In the circumstances he supports the previous assessment of Commissioner Dixon and considers this BC should be refused. 28Against this, Mr Hammoud supports the application on the basis that it promotes the orderly and economic use and development of land pursuant to the objectives of the EP & A Act, particularly taking into consideration the additional planter boxes proposed to mitigate the amenity impacts on neighbours. In any case, he says that the development was approved with 1.6 m high privacy screens along the eastern and western sides of the balcony and there are no changes proposed to these approved privacy screens, which will adversely affect the overlooking impacts and visual intrusion impacts for the neighbours. 29With regard to any increase in usage, Mr Hammoud reviewed the rainfall records between 1 January 2009 to 22 August 2013 and found that a total of 183 out of 1,695 days (10.8%) received rain with rainfalls of over 8 mm. He assumed the value 8 mm of rain to be a level at which the balcony (without roof cover) would not be used. Over the five-year period, he estimated that the roof over the terrace presents an opportunity for the terrace to be used for between 8.5% to 12.82% more than if it was to remain unroofed. 30He considers this to be extremely minor in quantitative terms and the associated impacts during the average additional days are considered to be insignificant. He then acknowledges that other factors would also determine the useability of the roofed terrace during rainfall periods including the temperature and general atmosphere created by the weather conditions. These factors may also play a natural role in deterring the use of the terrace during periods of rainfall even if a roof was provided over it. 31Consequently, Mr Hammoud says that if the roof extension was retained and this enabled the use of the terrace during rainy weather, this would have limited impacts on the immediately adjoining properties at Nos 211-213 and 217 Loftus Avenue. None of the dwellings in the adjoining property at 211-213 Loftus Avenue have a sheltered outdoor area that directly faces the balcony that would be capable of being used in such weather conditions. Therefore, it is likely that the residents of those dwellings would be inside the dwellings or out of view from the subject terrace thereby eliminating any potential for privacy or amenity impacts. The dwelling house at 217 Loftus Avenue has a covered outdoor area at the rear of the dwelling that is directly in line with the subject terrace. In the event of adverse weather, residents of that dwelling could use the covered area, which will not be visible from the terrace given that privacy screens will be installed upon.
Visual impact 32The next contention concerns the visual impacts of the roof extension. The planners initially agree that the following SSDCP controls are relevant and must be considered before granting consent:
Engineering 38The engineering issue concerns the adequacy of structural certification of the overall building, of which the roof slab is a significant structural component. Both engineers presented individual reports based on the available certification and reference to Cardno Engineering report dated 29 November 2012 and then a joint report. 39Mr Pepper identified a number of inconsistencies between the constructed building and the structural design drawings, which results in his opinion that the roof slab may not perform as intended by the designer. If demolition of the roof slab was required, he says that demolition of the rear 3 m section is achievable with conventional demolition techniques. Appropriate demolition practices (in accordance with Australia Standard 2601) and the provision of propping support to the building structure at all levels would be required. 40From his assessment of the available documentation, Mr Zaioor says that the slab over the rear balcony has been constructed in accordance with the design drawings, which consist of reinforcement bars for slab, beams and columns. The steel columns are tied up with the reinforcing bars within the slab. Therefore he considers the existing structure is safe, stable and able to support all loads specified in AS 1170.1 & 2 (Loading Code). 41With regard to council's requirement that approximately 3m of the rearmost roof slab be cut and removed, he says that upon removing this slab, the required existing negative reinforcement is not sufficient to support the altered sawn structure. The building will therefore not be in compliance with AS 3600 (Concrete Structures). Furthermore, long term cracking in the slab will be the inevitable consequence of cutting and removing the rearmost 3.1 m of roof slab. 42However, some further structural details were apparently presented for consideration in the joint engineering conference, resulting in the following agreement points:
Conclusion 43Having considered the evidence, the submissions and undertaken a view I do not consider this Building Certificate application merits consent for the following reasons. 44The subject lot is one of a few larger lots in this immediate neighbourhood and it has a fall of approximately 1 m from the front street boundary to the rear boundary. Consequently this has enabled the large two-storey dwelling to be approved. However the form of the dwelling includes reinforced concrete columns and slabs, with the ground floor slab being approximately 1.2 m above natural ground level adjacent to the front alignment of the neighbouring dwelling, which is located towards the back of its allotment. 45It is then apparent to me from the view that the new dwelling appears as a significantly large and bulky building, notwithstanding the existing (partially deciduous) vegetation on the adjoining properties at 211/213 Loftus Avenue. Furthermore, the approved rear balcony with an area of approximately 54 sq m is also relatively large in the context of the dwellings in this neighbourhood. Even with the installation of the 2 m wide planters, the overall width of the enclosed balcony and supporting piers is dominating in my opinion and does not protect or enhance the visual amenity of neighbouring properties. 46In response to the other issues concerning adverse amenity impacts on the neighbouring properties, I have considered the evidence on the likely use of the large balcony, in the subject context. Firstly, I accept the planner's evidence that the approved 1,600 mm side privacy screens should mitigate overlooking and aural impacts to a reasonable extent, based on the usage of the approved uncovered balcony. However, I then accept Mr Nash's evidence that the extended slab will likely lead to significantly increased use of the balcony with consequential decrease in neighbours' amenity. 47In this regard I have considered Mr Hammoud's investigation of rainfall records for the area, which leads to his conclusion that the extended roof would only present opportunities for the subject balcony to be used between 8.5 - 12.82% more than if the balcony was left unroofed. Whilst I have some difficulty in accepting this approach. I also think his justification that because the neighbouring properties do not have similar sheltered outdoor areas that face the subject balcony, then they will be inside and unaffected by usage of the large balcony activities, does not result in a reasonable balancing of amenity outcomes. 48Instead, it appears to me that the way the subject dwelling is configured indicates the likelihood of increased usage with the covered balcony. There is a large entertainment room adjacent to the balcony, to which it is connected via a 2.4 m wide hallway. Also connected to this hallway is a "hot bar", which Mr Hammoud indicated could contain a fridge, microwave so as to allow for food preparation and service. On the eastern side of the dwelling is a bedroom that has a 3.6m wide doorway onto the balcony and this room is connected to an ensuite and laundry. Consequently, I do not consider the balcony is a conventional low-use balcony off the bedrooms. 49Apart from this internal configuration, I note that provision has been made for extensive lighting of the extended balcony ceiling and various cabling and services installed that could also facilitate increased usage of the balcony. Taking into consideration that the elevated balcony enjoys favourable views towards the city skyline, I am satisfied to rely on the opinion of Mr Nash that the extended roof over the balcony will make it more attractive and increase its usage. In the circumstances then, I consider the privacy and aural amenity of the adjoining properties would be adversely impacted. 50As noted, the ground floor of the constructed dwelling is about 1.2m above NGL adjacent the rear dwelling at 213 Loftus Avenue. Accordingly, my assessment of the visual impact is that the retention of the extended roof slab, supporting piers/column and side screens significantly intensifies the bulk and scale presentation of the dwelling to the neighbouring properties. 51In this regard, I rely on Mr Nash's opinion that the building elevation is not adequately articulated and does not step down so as to follow the natural contour of the land. The removal of the subject 3 m roof slab extension, as approved achieves this objective more satisfactorily. In my assessment, the retention of the extended slab exacerbates the bulk and scale of the dwelling resulting in negative visual impacts of the proposal. 52In this regard, I have considered the previous assessment of the similar s 96 modification application by Commissioner Dixon as a circumstance of the case and agree with her assessment that the retention of the built roof form, when viewed from the rear, "is out of scale with adjoining built form." Insofar as the neighbourhood is undergoing some redevelopment, nevertheless newer residential development such as 211/213 Loftus Ave is of a noticeably smaller scale than the subject building. Considering then the context of adjoining and nearby dwellings, I give diminished weight to the applicant's submissions that the increased visual bulk is acceptable because it cannot be readily observed from the street. 53Apart from the failure of this application on the planning issues, I am also not satisfied the applicant has adequately addressed the structural engineering issues. As noted in the joint engineering report, the submitted structural certification is inadequate and that full certification is required for the completed structure. I agree with this conclusion because the simple certification statement by Mr Alagha (Exhibit E) seriously lacks detail in my assessment. Accordingly, I do not consider it appropriate to issue a building certificate for only part of the roof slab, which has not been properly certified. 54Insofar as this application is for a partial building certificate for the roof slab extension and supporting structure, the issue of such certificate would according to s 149E (2): (2) A building certificate operates to prevent the council, for a period of 7 years from the date of issue of the certificate: (my emphasis) (a) from making an order (or taking proceedings for the making of an order or injunction) under this Act or the Local Government Act 1993 requiring the building to be repaired, demolished, altered, added to or rebuilt, and (b) from taking proceedings in relation to any encroachment by the building onto land vested in or under the control of the council, (c) in relation to matters arising only from the deterioration of the building as a result solely of fair wear and tear. 55With reference then to s 149D1(b), I am satisfied that there is such a matter, being the structural adequacy of the dwelling that could prevent the issue of a Building Certificate. Furthermore, Council is taking further action pursuant to s 123 of the EP & A Act as stated in the existing Summons in Exhibit 8. This action includes: An order that the Second Respondent demolish and remove the last 3 m of the first floor rear balcony roof and supporting columns within 3 months. 56Accordingly, I think considerable weight should be given to these ongoing proceedings and therefore I do not consider it appropriate to approve a Building Certificate for a relatively small part of the integral roof slab whose structural integrity has not been completely documented and properly certified at this stage.
Court orders 57The Court orders that: (1)The appeal is dismissed. (2)The application for a partial Building Certificate (BC 12/0089) for the 3 m extension of the roof slab over the rear balcony and supporting columns at 215 Loftus Avenue, Loftus is refused. (3)The exhibits may be returned except for 1, 2, 3, 4, 8, A, B, C and E. R Hussey Commissioner of the Court DISCLAIMER - Every effort has been made to comply with suppression orders or statutory provisions prohibiting publication that may apply to this judgment or decision. The onus remains on any person using material in the judgment or decision to ensure that the intended use of that material does not breach any such order or provision. Further enquiries may be directed to the Registry of the Court or Tribunal in which it was generated. Decision last updated: 24 September 2013
Sud
Sutherland Shire Council
(1999) 103 LGERA 285
(1982) 29 SASR 321
(1999) 110 LGERA 311