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Home report
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10 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 8 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 92 against 70.
Key features
- Windows
- 23 windows and glazed doors
- Wall insulation
- R2.5
- Roof and ceiling insulation
- Ceiling R2.5, R6, roof Construction Insulation Reflective wrap* Corrugated Iron Timber Frame Foil, Gap Above, Reflective Side Down, Anti-glare Up, medium colour
- Hot water
- Gas instantaneous with a performance of 6 stars
- Air conditioning and heating
- 3-phase airconditioning (living area and bedroom)
BASIX certificate
- Energy score
- 92 (target 70)
- Water score
- 40 (target 40)
- Thermal performance
- Pass
- Materials score
- -30
- Heating load
- 44 MJ/m² a year
- Cooling load
- 16 MJ/m² a year
- Bedrooms
- 5
- Conditioned floor area
- 208.8 m²
- Unconditioned floor area
- 10 m²
- Site area
- 326 m²
- Roof area
- 196 m²
- Garden area
- 82 m²
- Climate zone
- NatHERS climate zone 28
- Hot water
- Gas instantaneous with a performance of 6 stars
- Solar panels
- 8 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
- Induction
- Clothes line
- Yes
- Maximum glazing
- aluminium frames 51 m², timber frames 1.7 m², single glazing 10.2 m², double glazing 42.5 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: light steel frame (not specified)
- Floor: above habitable rooms or mezzanine, particle board; frame: light steel frame (fibreglass batts or roll)
- Floor: suspended floor above garage, particle board; frame: light steel frame (fibreglass batts or roll)
- Garage floor: concrete slab on ground, waffle pod slab (no added insulation)
- External wall: brick veneer; frame: timber - H2 treated softwood (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)
- Internal wall: plasterboard; frame: timber - H2 treated softwood (fibreglass batts or roll)
- Ceiling and roof: flat ceiling / pitched roof, framed - concrete tiles , timber - H2 treated softwood (ceiling: fibreglass batts or roll; roof: foil/sarking.)
Certificate 1838091S, issued 18 March 2026, from the council's DA documents.
NatHERS certificate
- Star rating
- 7 stars
- Rated with
- BERS Pro v5.2.6 (3.23)
- Rated on
- 18 Mar 2026
- Wall insulation
- R2.5
- Ceiling insulation
- R2.5, R6
- Floor insulation
- R2.5
- Living room glazing by direction
- NE 6.1 m², SE 3.9 m², SW 1.7 m², NW 12 m²
- All glazing by direction
- NE 13.9 m², SE 14.5 m², SW 8.3 m², NW 14.5 m²
Roof
- Construction Insulation Reflective wrap* Corrugated Iron Timber Frame Foil, Gap Above, Reflective Side Down, Anti-glare Up, medium colour
- Corrugated Iron Timber Frame No Insulation, Only an Air Gap, medium colour
- Roof Tiles Timber Frame Foil, Gap Above, Reflective Side Down, Anti-glare Up, medium colour
Window schedule
- LOUNGE: 1,800 × 600 mm facing SE
- LOUNGE: 1,800 × 600 mm facing SE
- ENTRY/LOUNGE TIM-001-01 W D1-ENTRY: 2,100 × 820 mm facing SE
- GUEST STG-006-339-001 W1-GUEST: 1,500 × 1,800 mm facing NE
- PR STG-002-003-001 W1-PR: 400 × 800 mm facing NE
- LDRY STG-005-002-001 D1-LDRY: 2,200 × 1,500 mm facing NE
- Kitchen/Living STG-077-003-001 W1: 700 × 2,400 mm facing SW
- Kitchen/Living STG-074-014-001: 1,800 × 2,400 mm facing NW
- Kitchen/Living STG-004-031-001: 2,400 × 1,800 mm facing NE
- Kitchen/Living STG-004-031-001: 2,400 × 3,200 mm facing NW
- Kitchen/Living STG-120-002-001: 2,000 × 900 mm facing NE
- GAL STG-006-339-001 W1-GAL: 1,200 × 1,800 mm facing SW
- Bedroom 2 STG-006-339-001 W1-BED: 700 × 2,100 mm facing NW
- ENS 2 STG-002-003-001 W1-ENS: 700 × 700 mm facing NW
- Bedroom 3 STG-006-339-001 W1-BED: 1,000 × 1,800 mm facing SW
- ENS 3 STG-002-003-001 W1-ENS: 700 × 700 mm facing NW
- Bedroom 4 STG-006-339-001 W1-BED: 1,000 × 1,800 mm facing SW
- ENS 4 STG-002-003-001 W1-ENS: 1,200 × 700 mm facing SW
- Bedroom 1 STG-004-031-001 D1-BED1: 2,200 × 3,600 mm facing SE
- WIR STG-120-002-001 W1-WIR: 1,500 × 600 mm facing SE
- WIR STG-120-002-001 W2-WIR: 1,500 × 600 mm facing SE
- WIR STG-120-002-001 W3-WIR: 1,500 × 600 mm facing SE
- ENS 1 STG-007-003-001 W1-ENS: 1,200 × 1,200 mm facing NE
Certificate 0012853966, issued 18 March 2026, from the council's DA documents. Verify this certificate
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