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9 Cotswold Avenue Castle Hill NSW 2154
BASIX certificate and NatHERS rating
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This home has a NatHERS rating of 7.2 stars out of 10. Its BASIX certificate commits it to 2.5 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 83 against 72.
Key features
- Windows
- 36 windows and glazed doors: Thermally Broken Aluminium Sliding Door DG LB ClrSI 6.38/12/4
- Wall insulation
- R2.5
- Roof and ceiling insulation
- Ceiling R2.5, R6, roof Roof Tiles Timber Frame Foil, Gap Above, Reflective Side Down, Anti-glare Up, dark colour
- Hot water
- Gas instantaneous with a performance of 6 stars
- Air conditioning and heating
- 3-phase airconditioning (living area and bedroom)
Built by Caliber Builders.
BASIX certificate
- Energy score
- 83 (target 72)
- Water score
- 40 (target 40)
- Thermal performance
- Pass
- Materials score
- -80
- Heating load
- 34 MJ/m² a year
- Cooling load
- 23 MJ/m² a year
- Bedrooms
- 5
- Conditioned floor area
- 338.4 m²
- Unconditioned floor area
- 21.3 m²
- Site area
- 930 m²
- Roof area
- 355 m²
- Garden area
- 378 m²
- Climate zone
- NatHERS climate zone 28
- Hot water
- Gas instantaneous with a performance of 6 stars
- Solar panels
- 2.5 kW
- Rainwater tank
- 3,000 litres
- Fixtures
- Showerheads 3 star, toilets 4 star, kitchen taps 4 star, basin taps 4 star
- LED lighting
- Yes
- Cooktop
- Gas
- Clothes line
- Yes
- Maximum glazing
- aluminium frames 95.3 m², single glazing 2.9 m², double glazing 92.4 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 (fibreglass batts or roll)
- 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 (fibreglass batts or roll)
- Garage floor: concrete slab on ground, waffle pod slab (not specified)
- External wall: brick veneer; frame: timber - H2 treated softwood. all external walls fibreglass batts or roll
- External garage wall: brick veneer; frame: timber - H2 treated softwood (no added insulation)
- Internal wall: plasterboard; frame: timber - H2 treated softwood (no added insulation)
- Ceiling and roof: flat ceiling / pitched roof, framed - concrete tiles , timber - H2 treated softwood (ceiling: fibreglass batts or roll; roof: foil/sarking.)
Certificate 1791649S, issued 13 April 2025, from the council's DA documents.
NatHERS certificate
- Star rating
- 7.2 stars
- Rated with
- BERS Pro v5.2.4 (3.23)
- Rated on
- 13 Apr 2025
- Wall insulation
- R2.5
- Ceiling insulation
- R2.5, R6
- Floor insulation
- R2.5
- LED downlights
- 79
- Living room glazing by direction
- NE 14.8 m², SE 16.6 m², SW 3.2 m²
- All glazing by direction
- NE 28.3 m², SE 26.7 m², SW 20.6 m², NW 18.4 m²
Roof
- Roof Tiles Timber Frame Foil, Gap Above, Reflective Side Down, Anti-glare Up, dark colour
Window types
- AWS-037-307 Thermally Broken Aluminium Sliding Door DG LB ClrSI 6.38/12/4: U-value 2.3, SHGC 0.41
Window schedule
- Garage, window AWS-037-307: 1,400 × 2,100 mm facing SW
- Guest, window AWS-037-307: 1,800 × 950 mm facing NW
- Guest, window AWS-037-307: 1,800 × 950 mm facing NW
- Guest, window AWS-037-307: 1,800 × 950 mm facing NW
- Ensuite G, window AWS-037-307: 1,200 × 900 mm facing NE
- Laundry, window AWS-037-307: 2,400 × 900 mm facing NE
- Laundry, window AWS-037-307: 600 × 1,400 mm facing SE
- Entry, window AWS-037-307: 2,400 × 1,800 mm facing NW
- Entry, window AWS-037-307: 1,850 × 950 mm facing NE
- Entry, window AWS-037-307: 1,850 × 950 mm facing NE
- Workshop, window AWS-037-307: 1,400 × 2,100 mm facing SW
- Workshop, window AWS-037-307: 1,400 × 2,100 mm facing SW
- Study, window AWS-037-307: 1,400 × 1,800 mm facing SE
- Kit/Liv/Din, window AWS-037-307: 1,800 × 1,800 mm facing SW
- Kit/Liv/Din, window AWS-037-307: 2,400 × 1,200 mm facing NE
- Kit/Liv/Din, window AWS-037-307: 2,400 × 1,200 mm facing NE
- Kit/Liv/Din, window AWS-037-307: 2,400 × 4,500 mm facing SE
- Kit/Liv/Din, window AWS-037-307: 2,400 × 3,750 mm facing NE
- Kit/Liv/Din, window AWS-037-307: 1,800 × 3,200 mm facing SE
- Bedroom 2, window AWS-037-307: 1,400 × 2,400 mm facing SW
- Bedroom 1, window AWS-037-307: 1,600 × 950 mm facing SE
- Bedroom 1, window AWS-037-307: 1,600 × 950 mm facing NW
- Bedroom 1, window AWS-037-307: 1,600 × 950 mm facing NW
- Bedroom 1, window AWS-037-307: 600 × 3,000 mm facing NE
- WIR B1, window AWS-037-307: 1,500 × 1,900 mm facing NW
- Ensuite B1, window AWS-037-307: 1,200 × 800 mm facing SW
- Ensuite B1, window AWS-037-307: 1,600 × 950 mm facing NW
- Ensuite B1, window AWS-037-307: 1,600 × 950 mm facing NW
- Bedroom 4, window AWS-037-307: 1,100 × 2,400 mm facing SE
- Bedroom 4, window AWS-037-307: 600 × 2,400 mm facing NE
- Bedroom 3, window AWS-037-307: 1,100 × 2,400 mm facing SE
- Bedroom 3, window AWS-037-307: 600 × 2,400 mm facing SW
- Bath, window AWS-037-307: 1,200 × 800 mm facing SW
- Bath, window AWS-037-307: 1,200 × 1,500 mm facing SW
- Stairs/Void, window AWS-037-307: 1,850 × 950 mm facing NE
- Stairs/Void, window AWS-037-307: 1,850 × 950 mm facing NE
Certificate 0011861267, issued 13 April 2025, from the council's DA documents. Verify this certificate
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