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Home report
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39 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 a 1,000 litre rainwater tank. It beat its BASIX energy target, scoring 72 against 70.
Key features
- Windows
- Up to aluminium frames 48.8 m², single glazing 48.8 m²
- Wall insulation
- Fibreglass batts or roll
- Roof and ceiling insulation
- Ceiling: none; roof: foil backed blanket
- Hot water
- Electric heat pump with a performance of more than 45 STCs
- Air conditioning and heating
- 1-phase airconditioning, ducted (living area and bedroom)
BASIX certificate
- Energy score
- 72 (target 70)
- Water score
- 40 (target 40)
- Thermal performance
- Pass
- Materials score
- -50
- Heating load
- 33 MJ/m² a year
- Cooling load
- 26 MJ/m² a year
- Bedrooms
- 4
- Conditioned floor area
- 165.3 m²
- Unconditioned floor area
- 4 m²
- Site area
- 279 m²
- Roof area
- 174 m²
- Garden area
- 100 m²
- Climate zone
- NatHERS climate zone 28
- Hot water
- Electric heat pump with a performance of more than 45 STCs
- Rainwater tank
- 1,000 litres
- Fixtures
- Showerheads 4 star, toilets 4 star, kitchen taps 4 star, basin taps 4 star
- LED lighting
- Yes
- Clothes line
- Yes
- Maximum glazing
- aluminium frames 48.8 m², single glazing 48.8 m²
Heating
- Living area: 1-phase airconditioning - ducted; Energy rating: 3 star (average zone)
- Bedroom: 1-phase airconditioning - ducted; Energy rating: 3 star (average zone)
Cooling
- Living area: 1-phase airconditioning - ducted; Energy rating: 3 star (average zone)
- Bedroom: 1-phase airconditioning - ducted; Energy rating: 3 star (average zone)
Construction and insulation
- Floor: concrete slab on ground, conventional slab (no added insulation)
- Floor: above habitable rooms or mezzanine, plywood; frame: laminated veneer lumber (LVL) (fibreglass batts or roll)
- Floor: suspended floor above garage, plywood; frame: laminated veneer lumber (LVL) (fibreglass batts or roll)
- Garage floor: concrete slab on ground (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)
- External garage wall: brick veneer; frame: timber - H2 treated softwood (fibreglass batts or roll)
- Internal wall: plasterboard; 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, laminated veneer lumber (LVL) (ceiling: none; roof: foil backed blanket.)
Certificate 1843096S, issued 22 April 2026, from the council's DA documents.
NatHERS certificate
- Star rating
- 7 stars
- Rated with
- FirstRate5: 5.5.5a (3.22)
- Rated on
- 16 Apr 2026
Certificate SK690TK8KB, issued 16 April 2026, from the council's DA documents. Verify this certificate
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