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7 Pratley Street Woy Woy NSW 2256

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BASIX certificate and NatHERS rating

This home's BASIX certificate commits it to 6.65 kW of solar panels and a 3,050 litre rainwater tank. It beat its BASIX energy target, scoring 90 against 70.

Key features

Windows
Up to aluminium frames 40.8 m², timber frames 1.1 m², single glazing 1.1 m², double glazing 40.8 m²
Wall insulation
Fibreglass batts or roll
Roof and ceiling insulation
Ceiling: fibreglass batts or roll; roof: foil backed blanket
Hot water
Gas instantaneous with a performance of 6 stars
Air conditioning and heating
1-phase airconditioning, ducted (living area and bedroom)

Built by McDonald Jones Homes.

BASIX certificate

Energy score
90 (target 70)
Water score
40 (target 40)
Thermal performance
Pass
Materials score
-73
Heating load
29 MJ/m² a year
Cooling load
22 MJ/m² a year
Bedrooms
4
Conditioned floor area
198.4 m²
Unconditioned floor area
12.6 m²
Site area
708 m²
Roof area
228 m²
Garden area
450 m²
Climate zone
NatHERS climate zone 15
Hot water
Gas instantaneous with a performance of 6 stars
Solar panels
6.65 kW
Rainwater tank
3,050 litres
Fixtures
Showerheads 3 star, toilets 4 star, kitchen taps 4 star, basin taps 5 star
LED lighting
Yes
Cooktop
Gas
Clothes line
Yes
Maximum glazing
aluminium frames 40.8 m², timber frames 1.1 m², single glazing 1.1 m², double glazing 40.8 m²

Heating

  • Living area: 1-phase airconditioning - ducted; Energy rating: EER 3.5 - 4.0
  • Bedroom: 1-phase airconditioning - ducted; Energy rating: EER 3.5 - 4.0

Cooling

  • Living area: 1-phase airconditioning - ducted; Energy rating: EER 3.0 - 3.5
  • Bedroom: 1-phase airconditioning - ducted; 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, concrete - suspended; frame: timber - H2 treated softwood (fibreglass batts or roll)
  • Floor: above habitable rooms or mezzanine, concrete - suspended; frame: timber - H2 treated softwood (fibreglass batts or roll)
  • Floor: suspended floor above garage, concrete - suspended; frame: timber - H2 treated softwood (fibreglass batts or roll)
  • 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 (solid or reconstituted timber weatherboard); frame: light steel frame (fibreglass batts or roll)
  • External garage wall: brick veneer; frame: light steel frame (no added insulation)
  • External garage wall: cavity brick; frame: no frame (no added insulation)
  • Internal wall: plasterboard; frame: light steel frame (fibreglass batts or roll)
  • Ceiling and roof: flat ceiling / pitched roof, framed - metal roof, light steel frame (ceiling: fibreglass batts or roll; roof: foil backed blanket.)

Certificate 1830344S_02, issued 27 January 2026, from the council's DA documents.

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