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Home report
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17 Bundara Avenue Wamberal NSW 2260
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BASIX certificate and NatHERS rating
This home has a NatHERS rating of 7.2 stars out of 10. Its BASIX certificate commits it to 3.2 kW of solar panels and a 3,000 litre rainwater tank. Its NatHERS certificate lists insulation in the external walls, ceiling and floor. It beat its BASIX energy target, scoring 89 against 70.
Key features
- Windows
- 20 windows and glazed doors: Timber A SG Clear; Aluminium Sliding Window SG 4Pb; Aluminium Fixed Window DG 4Clr/12Ar/4Pb and 6 more types
- Wall insulation
- R2.5
- Roof and ceiling insulation
- Ceiling R2.5, R6, roof Corrugated Iron Timber Frame Foil, Gap Above, Reflective Side Down, Anti-glare Up, medium colour
- Hot water
- Gas storage with a performance of 5 stars
- Air conditioning and heating
- 3-phase airconditioning (living area and bedroom)
Built by Eden Brae Holdings.
BASIX certificate
- Energy score
- 89 (target 70)
- Water score
- 40 (target 40)
- Thermal performance
- Pass
- Materials score
- -16
- Heating load
- 35 MJ/m² a year
- Cooling load
- 12 MJ/m² a year
- Bedrooms
- 5
- Conditioned floor area
- 233.3 m²
- Unconditioned floor area
- 12 m²
- Site area
- 732 m²
- Roof area
- 214 m²
- Garden area
- 405 m²
- Climate zone
- NatHERS climate zone 15
- Hot water
- Gas storage with a performance of 5 stars
- Solar panels
- 3.2 kW
- Rainwater tank
- 3,000 litres
- Fixtures
- Showerheads 3 star, toilets 3 star, kitchen taps 3 star, basin taps 3 star
- LED lighting
- Yes
- Cooktop
- Gas
- Clothes line
- Yes
- Maximum glazing
- aluminium frames 40.8 m², timber frames 2.1 m², single glazing 12 m², double glazing 30.9 m²
Heating
- Living area: 3-phase airconditioning; Energy rating: EER 3.5 - 4.0
- Bedroom: 3-phase airconditioning; Energy rating: EER 3.5 - 4.0
Cooling
- Living area: 3-phase airconditioning; Energy rating: EER 3.0 - 3.5
- Bedroom: 3-phase airconditioning; Energy rating: EER 3.0 - 3.5
Construction and insulation
- Floor: concrete slab on ground, waffle pod slab (no added insulation)
- Floor: suspended floor above open subfloor, particle board; frame: timber - H2 treated softwood (no added insulation)
- Floor: above habitable rooms or mezzanine, particle board; frame: timber - H2 treated softwood (no added insulation)
- Floor: suspended floor above garage, particle board; frame: timber - H2 treated softwood (fibreglass batts or roll)
- Garage floor: concrete slab on ground, waffle pod slab (no added insulation)
- External wall: brick veneer; frame: light steel frame (fibreglass batts or roll)
- External wall: framed (fibre cement sheet or boards); frame: timber - H2 treated softwood (fibreglass batts or roll)
- Internal wall: plasterboard; frame: timber - H2 treated softwood (no added insulation)
- Ceiling and roof: flat ceiling / pitched roof, framed - metal roof, timber - H2 treated softwood (ceiling: fibreglass batts or roll; roof: foil/sarking.)
Certificate 1844514S, issued 1 May 2026, from the council's DA documents.
NatHERS certificate
- Star rating
- 7.2 stars
- Rated with
- BERS Pro v5.2.6 (3.23)
- Rated on
- 01 May 2026
- Wall insulation
- R2.5
- Ceiling insulation
- R2.5, R6
- Floor insulation
- R2.5
- Living room glazing by direction
- N 10.9 m², E 5.5 m², W 2.2 m²
- All glazing by direction
- N 14.8 m², E 9.5 m², S 10.9 m², W 7.7 m²
Roof
- Corrugated Iron Timber Frame Foil, Gap Above, Reflective Side Down, Anti-glare Up, medium colour
Window types
- TIM-001-01 W Timber A SG Clear: U-value 5.4, SHGC 0.56
- STG-007-016 Aluminium Sliding Window SG 4Pb: U-value 4.7, SHGC 0.62
- STG-074-014 Aluminium Fixed Window DG 4Clr/12Ar/4Pb: U-value 2.4, SHGC 0.53
- STG-004-031 Aluminium Sliding Door DG 4Clr/10Ar/4Pb: U-value 3, SHGC 0.49
- STG-005-002 Aluminium Sliding Door SG 5Clr: U-value 6.2, SHGC 0.72
- STG-002-003 Aluminium Awning Window SG 5Clr: U-value 6.4, SHGC 0.63
- STG-006-339 Aluminium Sliding Window DG 4Clr/12Ar/4PbG: U-value 3.6, SHGC 0.56
- STG-001-062 Aluminium Awning Window DG 4Clr/10/4Pb: U-value 3.7, SHGC 0.54
- STG-007-003 Aluminium Sliding Window SG 5Clr: U-value 6.3, SHGC 0.71
Window schedule
- ENTRY/ STAIRS, window TIM-001-01 W: 2,100 × 1,020 mm facing S
- Kitchen/Living, window STG-007-016: 1,200 × 1,800 mm facing W
- Kitchen/Living, window STG-074-014: 1,800 × 1,800 mm facing N
- Kitchen/Living, window STG-004-031: 2,400 × 2,300 mm facing E
- Kitchen/Living, window STG-004-031: 2,400 × 3,200 mm facing N
- LAUNDRY, window STG-005-002: 2,100 × 1,500 mm facing W
- GST SUITE, window STG-002-003: 1,200 × 600 mm facing W
- HOME THEATRE, window STG-006-339: 1,200 × 2,400 mm facing E
- GUEST, window STG-001-062: 1,800 × 800 mm facing S
- GUEST, window STG-001-062: 1,800 × 800 mm facing S
- BED 1, window STG-001-062: 1,300 × 2,100 mm facing S
- BED 1, window STG-001-062: 1,300 × 800 mm facing S
- BED 2, window STG-001-062: 1,300 × 800 mm facing S
- BED 2, window STG-001-062: 1,300 × 800 mm facing S
- BED 3, window STG-006-339: 1,000 × 1,400 mm facing N
- BED 4, window STG-006-339: 1,000 × 1,400 mm facing N
- ENS BED 1, window STG-002-003: 1,000 × 600 mm facing W
- ENS BED 2, window STG-007-003: 900 × 1,200 mm facing E
- ENS BED 3, window STG-007-003: 900 × 1,200 mm facing N
- ENS BED 4, window STG-007-003: 900 × 1,200 mm facing W
Certificate 0012960050, issued 1 May 2026, from the council's DA documents. Verify this certificate
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