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Home report
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2 Redwood Close Castle Hill NSW 2154
BASIX certificate and NatHERS rating
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This home's BASIX certificate commits it to 2 kW of solar panels and a 2,000 litre rainwater tank. It beat its BASIX water target, scoring 41 against 40.
Key features
- Windows
- Up to aluminium frames 125.6 m², single glazing 125.6 m²
- Wall insulation
- All external walls foil-foam composite board
- Roof and ceiling insulation
- Ceiling: fibreglass batts or roll; roof: foil backed blanket; Ceiling: none; roof: none
- Hot water
- Gas instantaneous with a performance of 6 stars
- Air conditioning and heating
- 1-phase airconditioning, ducted (living area and bedroom)
BASIX certificate
- Energy score
- 72 (target 72)
- Water score
- 41 (target 40)
- Thermal performance
- Pass
- Materials score
- -65
- Heating load
- 16 MJ/m² a year
- Cooling load
- 13 MJ/m² a year
- Bedrooms
- 5
- Conditioned floor area
- 366.2 m²
- Unconditioned floor area
- 23.9 m²
- Site area
- 701 m²
- Roof area
- 227 m²
- Garden area
- 280 m²
- Climate zone
- NatHERS climate zone 56
- Hot water
- Gas instantaneous with a performance of 6 stars
- Solar panels
- 2 kW
- Rainwater tank
- 2,000 litres
- Fixtures
- Showerheads 4 star, toilets 4 star, kitchen taps 4 star, basin taps 4 star
- LED lighting
- Yes
- Cooktop
- Gas
- Clothes line
- Yes
- Maximum glazing
- aluminium frames 125.6 m², single glazing 125.6 m²
Heating
- Living area: 1-phase airconditioning - ducted; Energy rating: 3 Star (old label
- Bedroom: 1-phase airconditioning - ducted; Energy rating: 3 Star (old label
Cooling
- Living area: 1-phase airconditioning - ducted; Energy rating: 3 Star (old label)
- Bedroom: 1-phase airconditioning - ducted; Energy rating: 3 Star (old label)
Construction and insulation
- Floor: concrete slab on ground, conventional slab (no added insulation)
- Floor: above habitable rooms or mezzanine, concrete - suspended; frame: no frame (no added insulation)
- Floor: suspended floor above garage, concrete - suspended; frame: no frame (no added insulation)
- Garage floor: concrete slab on ground (no added insulation)
- External wall: cavity brick; frame: no frame. all external walls foil-foam composite board
- 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.)
- Ceiling and roof: flat ceiling / flat roof, concrete - bare internal, no frame (ceiling: none; roof: none.)
Certificate 1820915S, issued 8 November 2025, from the council's DA documents.
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