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12 Ozone Street Freshwater NSW 2096

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BASIX certificate and NatHERS rating

This home has a NatHERS rating of 7 stars out of 10. Its BASIX certificate commits it to 3 kW of solar panels and a 7,000 litre rainwater tank. It beat its BASIX energy target, scoring 75 against 72.

Key features

Windows
Up to aluminium frames 156.5 m², double glazing 156.5 m²
Wall insulation
Polystyrene; Fibreglass batts or roll+ foil/sarking
Roof and ceiling insulation
Ceiling: fibreglass batts or roll; roof: foil backed blanket; Ceiling: polystyrene; roof: foil/sarking
Hot water
Gas instantaneous with a performance of 5 stars
Air conditioning and heating
3-phase airconditioning (living area and bedroom)

Built by All Things Building.

BASIX certificate

Energy score
75 (target 72)
Water score
40 (target 40)
Thermal performance
Pass
Materials score
-100
Heating load
19 MJ/m² a year
Cooling load
10 MJ/m² a year
Bedrooms
5
Conditioned floor area
397.1 m²
Unconditioned floor area
44.4 m²
Site area
771 m²
Roof area
286 m²
Garden area
350 m²
Climate zone
NatHERS climate zone 56
Hot water
Gas instantaneous with a performance of 5 stars
Solar panels
3 kW
Rainwater tank
7,000 litres
Fixtures
Showerheads 4 star, toilets 6 star, kitchen taps 6 star, basin taps 6 star
LED lighting
Yes
Clothes line
Yes
Maximum glazing
aluminium frames 156.5 m², double glazing 156.5 m²

Heating

  • Living area: 3-phase airconditioning; Energy rating: EER 3.0 - 3.5
  • Bedroom: 3-phase airconditioning; Energy rating: EER 3.0 - 3.5

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, conventional slab (polystyrene)
  • Floor: suspended floor above open subfloor, concrete - suspended; frame: no frame (polystyrene)
  • Floor: above habitable rooms or mezzanine, concrete - suspended; frame: no frame (no added insulation)
  • Floor: suspended floor above garage, concrete - suspended; frame: no frame (polystyrene)
  • Garage floor: concrete slab on ground (polystyrene)
  • External wall: cavity brick; frame: no frame (polystyrene)
  • External wall: external insulated façade system (EIFS); frame: timber - H2 treated softwood (fibreglass batts or roll+ foil/sarking)
  • External garage wall: cavity brick; frame: no frame (no added insulation)
  • Internal wall: plasterboard; frame: timber - H2 treated softwood (fibreglass batts or roll)
  • Internal wall: single skin masonry; frame: no frame (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: polystyrene; roof: foil/sarking.)

Certificate 1810343S, issued 27 August 2025, from the council's DA documents.

NatHERS certificate

Star rating
7 stars
Rated with
FirstRate5: 5.5.5a (3.22)
Rated on
13 Aug 2025

Certificate IWWVVA0A29, issued 13 August 2025, from the council's DA documents. Verify this certificate

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