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18 Gelderland Avenue Box Hill NSW 2765
BASIX certificate and NatHERS rating
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This home has a NatHERS rating of 7 stars out of 10. Its BASIX certificate commits it to 3 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 and water targets, scoring 88 against 70 for energy and 42 against 40 for water.
Key features
- Windows
- 20 windows and glazed doors: Aluminium Fixed Window DG 4PbAS2/12Ar/4PbG; Aluminium Sliding Window DG 4PbAS2/12Ar/4PbG; Aluminium Sliding Door DG 4Pb/10Ar/4Clr and 6 more types
- Wall insulation
- R2.7
- Roof and ceiling insulation
- Ceiling R7, R2.5, roof Corrugated Iron Timber Frame Bulk, Reflective Side Down, No Air Gap Above R1.3, 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
- 88 (target 70)
- Water score
- 42 (target 40)
- Thermal performance
- Pass
- Materials score
- -33
- Heating load
- 43 MJ/m² a year
- Cooling load
- 17 MJ/m² a year
- Bedrooms
- 5
- Conditioned floor area
- 199.5 m²
- Unconditioned floor area
- 8.6 m²
- Site area
- 325 m²
- Roof area
- 202 m²
- Garden area
- 82 m²
- Climate zone
- NatHERS climate zone 28
- Hot water
- Gas storage with a performance of 5 stars
- Solar panels
- 3 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
- Maximum glazing
- aluminium frames 46.9 m², single glazing 15.8 m², double glazing 31.1 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 (fibreglass batts or roll)
- Floor: above habitable rooms or mezzanine, particle board; frame: timber - H2 treated softwood (fibreglass batts or roll)
- 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: light steel frame (no added insulation)
- Internal wall: plasterboard; frame: light steel frame (fibreglass batts or roll)
- Ceiling and roof: flat ceiling / pitched roof, framed - metal roof, timber - H2 treated softwood (ceiling: fibreglass batts or roll; roof: foil backed blanket.)
Certificate 1789857S_02, issued 26 June 2025, from the council's DA documents.
NatHERS certificate
- Star rating
- 7 stars
- Rated with
- BERS Pro v5.2.4 (3.23)
- Rated on
- 26 Jun 2025
- Wall insulation
- R2.7
- Ceiling insulation
- R7, R2.5
- Floor insulation
- R2.7, R2, R2.5
- Living room glazing by direction
- NE 5.8 m², SW 6.1 m², NW 9.5 m²
- All glazing by direction
- NE 8.9 m², SE 12.6 m², SW 12.2 m², NW 13.1 m²
Roof
- Corrugated Iron Timber Frame Bulk, Reflective Side Down, No Air Gap Above R1.3, medium colour
Window types
- STG-078-300 Aluminium Fixed Window DG 4PbAS2/12Ar/4PbG: U-value 1.9, SHGC 0.48
- STG-006-300 Aluminium Sliding Window DG 4PbAS2/12Ar/4PbG: U-value 3.1, SHGC 0.41
- STG-004-030 Aluminium Sliding Door DG 4Pb/10Ar/4Clr: U-value 3.2, SHGC 0.57
- STG-005-002 Aluminium Sliding Door SG 5Clr: U-value 6.2, SHGC 0.72
- STG-002-024 Aluminium Awning Window SG 4Clr: U-value 6.4, SHGC 0.64
- STG-002-011 Aluminium Awning Window SG 4ET: U-value 5, SHGC 0.55
- STG-007-011 Aluminium Sliding Window SG 4ET: U-value 4.6, SHGC 0.62
- STG-007-001 Aluminium Sliding Window SG 3Clr: U-value 6.3, SHGC 0.73
- STG-004-300 Aluminium Sliding Door DG 4PbAS2-10Ar-4PbG: U-value 2.7, SHGC 0.44
Window schedule
- FAM DIN KIT, window STG-078-300: 1,800 × 1,800 mm facing NW
- FAM DIN KIT, window STG-006-300: 1,200 × 2,400 mm facing NE
- FAM DIN KIT, window STG-078-300: 600 × 1,800 mm facing SW
- FAM DIN KIT, window STG-004-030: 2,400 × 2,600 mm facing NW
- FAM DIN KIT, window STG-004-030: 2,400 × 2,100 mm facing SW
- LAUNDRY, window STG-005-002: 2,200 × 1,500 mm facing SW
- GF POWDER, window STG-002-024: 600 × 600 mm facing SW
- GUEST, window STG-002-011: 1,800 × 800 mm facing SE
- GUEST, window STG-002-011: 1,800 × 800 mm facing SE
- LIVING, window STG-006-300: 1,200 × 2,400 mm facing NE
- BED 4, window STG-007-011: 1,000 × 1,800 mm facing NW
- BED 3, window STG-007-011: 1,000 × 1,800 mm facing NW
- GAMES UF HALL, window STG-006-300: 1,000 × 2,100 mm facing NE
- BED 2 ENS, window STG-007-001: 900 × 1,200 mm facing NE
- BED 2, window STG-002-011: 1,200 × 900 mm facing SE
- BED 2, window STG-002-011: 1,200 × 900 mm facing SE
- BED 1, window STG-004-300: 2,100 × 3,600 mm facing SE
- BED 1 WIR, window STG-002-011: 1,800 × 600 mm facing SW
- BED 1 ENS, window STG-002-024: 1,300 × 600 mm facing SW
- BED 4 ENS, window STG-007-001: 1,000 × 600 mm facing SW
Certificate 0011825130-01, issued 26 June 2025, from the council's DA documents. Verify this certificate
Other certificates for this address
BASIX certificate, certificate 1789857S, issued 1 April 2025
BASIX certificate
- Energy score
- 88 (target 70)
- Water score
- 42 (target 40)
- Thermal performance
- Pass
- Materials score
- -33
- Heating load
- 43 MJ/m² a year
- Cooling load
- 17 MJ/m² a year
- Bedrooms
- 5
- Conditioned floor area
- 199.5 m²
- Unconditioned floor area
- 8.6 m²
- Site area
- 325 m²
- Roof area
- 202 m²
- Garden area
- 82 m²
- Climate zone
- NatHERS climate zone 28
- Hot water
- Gas storage with a performance of 5 stars
- Solar panels
- 3 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
- Maximum glazing
- aluminium frames 46.9 m², single glazing 15.8 m², double glazing 31.1 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 (fibreglass batts or roll)
- Floor: above habitable rooms or mezzanine, particle board; frame: timber - H2 treated softwood (fibreglass batts or roll)
- 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: light steel frame (no added insulation)
- Internal wall: plasterboard; frame: light steel frame (fibreglass batts or roll)
- Ceiling and roof: flat ceiling / pitched roof, framed - metal roof, timber - H2 treated softwood (ceiling: fibreglass batts or roll; roof: foil backed blanket.)
Certificate 1789857S, issued 1 April 2025, from the council's DA documents.
NatHERS certificate, certificate 0011825130, issued 1 April 2025
NatHERS certificate
- Star rating
- 7 stars
- Rated with
- BERS Pro v5.2.4 (3.23)
- Rated on
- 01 Apr 2025
- Wall insulation
- R2.7
- Ceiling insulation
- R7, R2.5
- Floor insulation
- R2.7, R2, R2.5
- Living room glazing by direction
- NE 5.8 m², SW 6.1 m², NW 9.5 m²
- All glazing by direction
- NE 8.9 m², SE 12.6 m², SW 12.2 m², NW 13.1 m²
Roof
- Corrugated Iron Timber Frame Bulk, Reflective Side Down, No Air Gap Above R1.3, medium colour
Window types
- STG-078-300 Aluminium Fixed Window DG 4PbAS2/12Ar/4PbG: U-value 1.9, SHGC 0.48
- STG-006-300 Aluminium Sliding Window DG 4PbAS2/12Ar/4PbG: U-value 3.1, SHGC 0.41
- STG-004-030 Aluminium Sliding Door DG 4Pb/10Ar/4Clr: U-value 3.2, SHGC 0.57
- STG-005-002 Aluminium Sliding Door SG 5Clr: U-value 6.2, SHGC 0.72
- STG-002-024 Aluminium Awning Window SG 4Clr: U-value 6.4, SHGC 0.64
- STG-002-011 Aluminium Awning Window SG 4ET: U-value 5, SHGC 0.55
- STG-007-011 Aluminium Sliding Window SG 4ET: U-value 4.6, SHGC 0.62
- STG-007-001 Aluminium Sliding Window SG 3Clr: U-value 6.3, SHGC 0.73
- STG-004-300 Aluminium Sliding Door DG 4PbAS2-10Ar-4PbG: U-value 2.7, SHGC 0.44
Window schedule
- FAM DIN KIT, window STG-078-300: 1,800 × 1,800 mm facing NW
- FAM DIN KIT, window STG-006-300: 1,200 × 2,400 mm facing NE
- FAM DIN KIT, window STG-078-300: 600 × 1,800 mm facing SW
- FAM DIN KIT, window STG-004-030: 2,400 × 2,600 mm facing NW
- FAM DIN KIT, window STG-004-030: 2,400 × 2,100 mm facing SW
- LAUNDRY, window STG-005-002: 2,200 × 1,500 mm facing SW
- GF POWDER, window STG-002-024: 600 × 600 mm facing SW
- GUEST, window STG-002-011: 1,800 × 800 mm facing SE
- GUEST, window STG-002-011: 1,800 × 800 mm facing SE
- LIVING, window STG-006-300: 1,200 × 2,400 mm facing NE
- BED 4, window STG-007-011: 1,000 × 1,800 mm facing NW
- BED 3, window STG-007-011: 1,000 × 1,800 mm facing NW
- GAMES UF HALL, window STG-006-300: 1,000 × 2,100 mm facing NE
- BED 2 ENS, window STG-007-001: 900 × 1,200 mm facing NE
- BED 2, window STG-002-011: 1,200 × 900 mm facing SE
- BED 2, window STG-002-011: 1,200 × 900 mm facing SE
- BED 1, window STG-004-300: 2,100 × 3,600 mm facing SE
- BED 1 WIR, window STG-002-011: 1,800 × 600 mm facing SW
- BED 1 ENS, window STG-002-024: 1,300 × 600 mm facing SW
- BED 4 ENS, window STG-007-001: 1,000 × 600 mm facing SW
Certificate 0011825130, issued 1 April 2025, from the council's DA documents. Verify this certificate
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