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20 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 target, scoring 90 against 70.
Key features
- Windows
- 23 windows and glazed doors
- Wall insulation
- R2.7
- Roof and ceiling insulation
- Ceiling R7, R2.5, roof Roof Tiles 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)
Built by Eden Brae Holdings.
BASIX certificate
- Energy score
- 90 (target 70)
- Water score
- 40 (target 40)
- Thermal performance
- Pass
- Materials score
- -9
- Heating load
- 43 MJ/m² a year
- Cooling load
- 17 MJ/m² a year
- Bedrooms
- 4
- Conditioned floor area
- 208 m²
- Unconditioned floor area
- 11.9 m²
- Site area
- 325 m²
- Roof area
- 185 m²
- Garden area
- 125 m²
- Climate zone
- NatHERS climate zone 28
- Hot water
- Gas instantaneous with a performance of 6 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 45.3 m², single glazing 18.9 m², double glazing 26.4 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 (no added insulation)
- 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)
- External wall: brick veneer; 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 - concrete tiles , timber - H2 treated softwood (ceiling: fibreglass batts or roll; roof: foil/sarking.)
Certificate 1770188S_02, issued 31 January 2025, from the council's DA documents.
NatHERS certificate
- Star rating
- 7 stars
- Rated with
- BERS Pro v5.2.4 (3.23)
- Rated on
- 31 Jan 2025
- Wall insulation
- R2.7
- Ceiling insulation
- R7, R2.5
- Floor insulation
- R2.7, R2, R2.5
- Living room glazing by direction
- NE 7.9 m², SE 2.9 m², SW 3.6 m², NW 9.5 m²
- All glazing by direction
- NE 15.1 m², SE 8 m², SW 12.2 m², NW 10 m²
Roof
- Roof Tiles Timber Frame Foil, Gap Above, Reflective Side Down, Anti-glare Up, medium colour
- Corrugated Iron Timber Frame Foil, Gap Above, Reflective Side Down, Anti-glare Up, medium colour
Window schedule
- Media STG-006-045-001 Media: 900 × 2,400 mm facing NE
- Laundry STG-005-002-001 Laundry: 2,200 × 1,500 mm facing SW
- Powder Room STG-002-024-001 PR: 1,800 × 600 mm facing SW
- Kitchen/Family STG-074-014-001 Kitchen: 600 × 1,800 mm facing SW
- Kitchen/Family STG-074-014-001 Family: 1,800 × 1,800 mm facing NW
- Kitchen/Family STG-004-030-001 Family: 2,400 × 2,100 mm facing NE
- Kitchen/Family STG-004-030-001 Dining: 2,400 × 2,600 mm facing NW
- Kitchen/Family STG-006-045-001 Dining: 1,200 × 2,400 mm facing NE
- Lounge STG-002-011-001 Lounge: 1,800 × 800 mm facing SE
- Lounge STG-002-011-001 Lounge: 1,800 × 800 mm facing SE
- Lounge STG-002-011-001 Lounge: 1,800 × 1,400 mm facing SW
- Games Room STG-006-045-001 Games room: 1,200 × 1,800 mm facing NE
- Bedroom 1 STG-002-011-001 Bay: 1,300 × 1,500 mm facing SE
- B1 Ens STG-002-024-001 Ens B1: 1,300 × 600 mm facing SW
- Bedroom 2 STG-002-011-001 Bed: 1,300 × 800 mm facing SE
- Bedroom 2 STG-002-011-001 Bed: 1,300 × 800 mm facing SE
- B2 Ens STG-007-001-001 Ens B4: 900 × 1,200 mm facing NE
- B4 Ens STG-007-001-001 Ens B4: 1,000 × 600 mm facing SW
- Bedroom 3 STG-006-045-001 Bed: 1,000 × 1,800 mm facing NE
- B3 Ens STG-007-001-001 Ens B3: 900 × 600 mm facing NW
- Bedroom 4 STG-006-045-001 Bed: 1,000 × 1,800 mm facing SW
- WIR STG-002-011-001 WIR: 1,300 × 800 mm facing SE
- WIR STG-002-011-001 WIR: 1,800 × 600 mm facing SW
Certificate 0011501319-02, issued 31 January 2025, from the council's DA documents. Verify this certificate
Other certificates for this address
BASIX certificate, certificate 1770188S, issued 24 October 2024
BASIX certificate
- Energy score
- 90 (target 70)
- Water score
- 40 (target 40)
- Thermal performance
- Pass
- Materials score
- -9
- Heating load
- 41 MJ/m² a year
- Cooling load
- 19 MJ/m² a year
- Bedrooms
- 4
- Conditioned floor area
- 208 m²
- Unconditioned floor area
- 11.9 m²
- Site area
- 325 m²
- Roof area
- 185 m²
- Garden area
- 125 m²
- Climate zone
- NatHERS climate zone 28
- Hot water
- Gas instantaneous with a performance of 6 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 45.3 m², single glazing 26.8 m², double glazing 18.5 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: 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 (no added insulation)
- 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)
- External wall: brick veneer; 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 - concrete tiles , timber - H2 treated softwood (ceiling: fibreglass batts or roll; roof: foil/sarking.)
Certificate 1770188S, issued 24 October 2024, from the council's DA documents.
NatHERS certificate, certificate 0011501319-01, issued 24 October 2024
NatHERS certificate
- Star rating
- 7 stars
- Rated with
- BERS Pro v5.2.3 (3.23)
- Rated on
- 24 Oct 2024
- Wall insulation
- R2.7
- Ceiling insulation
- R7, R2.5
- Floor insulation
- R2.7, R2, R2.5
- Living room glazing by direction
- NE 7.9 m², SE 2.9 m², SW 3.6 m², NW 9.5 m²
- All glazing by direction
- NE 15.1 m², SE 8 m², SW 12.2 m², NW 10 m²
Roof
- Roof Tiles Timber Frame Foil, Gap Above, Reflective Side Down, Anti-glare Up, medium colour
- Corrugated Iron Timber Frame Foil, Gap Above, Reflective Side Down, Anti-glare Up, medium colour
Window schedule
- Media STG-007-011-001 Media: 900 × 2,400 mm facing NE
- Laundry STG-005-002-001 Laundry: 2,200 × 1,500 mm facing SW
- Powder Room STG-002-001-001 PR: 1,800 × 600 mm facing SW
- Kitchen/Family STG-074-014-001 Kitchen: 600 × 1,800 mm facing SW
- Kitchen/Family STG-074-014-001 Family: 1,800 × 1,800 mm facing NW
- Kitchen/Family STG-004-030-001 Family: 2,400 × 2,100 mm facing NE
- Kitchen/Family STG-004-030-001 Dining: 2,400 × 2,600 mm facing NW
- Kitchen/Family STG-006-045-001 Dining: 1,200 × 2,400 mm facing NE
- Lounge STG-002-011-001 Lounge: 1,800 × 800 mm facing SE
- Lounge STG-002-011-001 Lounge: 1,800 × 800 mm facing SE
- Lounge STG-002-011-001 Lounge: 1,800 × 1,400 mm facing SW
- Games Room STG-007-011-001 Games room: 1,200 × 1,800 mm facing NE
- Bedroom 1 STG-002-011-001 Bay: 1,300 × 1,500 mm facing SE
- B1 Ens STG-002-001-001 Ens B1: 1,300 × 600 mm facing SW
- Bedroom 2 STG-002-011-001 Bed: 1,300 × 800 mm facing SE
- Bedroom 2 STG-002-011-001 Bed: 1,300 × 800 mm facing SE
- B2 Ens STG-007-001-001 Ens B4: 900 × 1,200 mm facing NE
- B4 Ens STG-007-001-001 Ens B4: 1,000 × 600 mm facing SW
- Bedroom 3 STG-007-011-001 Bed: 1,000 × 1,800 mm facing NE
- B3 Ens STG-007-001-001 Ens B3: 900 × 600 mm facing NW
- Bedroom 4 STG-007-011-001 Bed: 1,000 × 1,800 mm facing SW
- WIR STG-002-011-001 WIR: 1,300 × 800 mm facing SE
- WIR STG-002-011-001 WIR: 1,800 × 600 mm facing SW
Certificate 0011501319-01, issued 24 October 2024, from the council's DA documents. Verify this certificate
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