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Home report
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31 Ivy Avenue Chain Valley Bay NSW 2259
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BASIX certificate and NatHERS rating
This home's BASIX certificate commits it to 1.5 kW of solar panels and a 3,000 litre rainwater tank. It beat its BASIX energy and water targets, scoring 77 against 70 for energy and 42 against 40 for water.
Key features
- Windows
- Up to aluminium frames 32.2 m², single glazing 10.5 m², double glazing 21.7 m²
- Wall insulation
- All external walls fibreglass batts or roll
- Roof and ceiling insulation
- Ceiling: fibreglass batts or roll; roof: foil backed blanket
- Hot water
- Electric heat pump with a performance of 26 to 30 STCs or better
- Air conditioning and heating
- 1-phase airconditioning, non ducted (living area and bedroom)
BASIX certificate
- Energy score
- 77 (target 70)
- Water score
- 42 (target 40)
- Thermal performance
- Pass
- Materials score
- 4
- Heating load
- 24 MJ/m² a year
- Cooling load
- 26 MJ/m² a year
- Bedrooms
- 4
- Conditioned floor area
- 168.5 m²
- Unconditioned floor area
- 6.3 m²
- Site area
- 981 m²
- Roof area
- 315 m²
- Garden area
- 257 m²
- Climate zone
- NatHERS climate zone 15
- Hot water
- Electric heat pump with a performance of 26 to 30 STCs or better
- Solar panels
- 1.5 kW
- Rainwater tank
- 3,000 litres
- Fixtures
- Showerheads 4 star, toilets 3 star, kitchen taps 5 star, basin taps 5 star
- LED lighting
- Yes
- Cooktop
- Gas
- Clothes line
- Yes
- Maximum glazing
- aluminium frames 32.2 m², single glazing 10.5 m², double glazing 21.7 m²
Heating
- Living area: 1-phase airconditioning - non ducted; Energy rating: EER 3.0 - 3.5
- Bedroom: 1-phase airconditioning - non ducted; Energy rating: EER 3.0 - 3.5
Cooling
- Living area: 1-phase airconditioning - non ducted; Energy rating: EER 3.0 - 3.5
- Bedroom: 1-phase airconditioning - non ducted; Energy rating: EER 3.0 - 3.5
Construction and insulation
- Floor: suspended floor above enclosed subfloor, particle board; frame: timber - H2 treated softwood (fibreglass batts or roll)
- External wall: framed (fibre cement sheet or boards); frame: timber - H2 treated softwood. all external walls 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, timber - H2 treated softwood (ceiling: fibreglass batts or roll; roof: foil backed blanket.)
Certificate 1807968S, issued 11 August 2025, from the council's DA documents.
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