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27 Raven Road Gables NSW 2765

BASIX certificate and NatHERS rating

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This home has a NatHERS rating of 7 stars out of 10. Its BASIX certificate commits it to 1 kW of solar panels. It beat its BASIX energy and water targets, scoring 84 against 70 for energy and 49 against 40 for water.

Key features

Windows
Up to aluminium frames 58.4 m², timber frames 1.4 m², single glazing 1.4 m², double glazing 58.4 m²
Wall insulation
Fibreglass batts or roll
Roof and ceiling insulation
Ceiling: fibreglass batts or roll; roof: foil/sarking
Hot water
Electric heat pump with a performance of 31 to 35 STCs or better
Air conditioning and heating
1-phase airconditioning, ducted (living area and bedroom)

Built by Metricon.

BASIX certificate

Energy score
84 (target 70)
Water score
49 (target 40)
Thermal performance
Pass
Materials score
-73
Heating load
38 MJ/m² a year
Cooling load
22 MJ/m² a year
Bedrooms
6
Conditioned floor area
259.5 m²
Unconditioned floor area
11.1 m²
Site area
450 m²
Roof area
256 m²
Garden area
194 m²
Climate zone
NatHERS climate zone 28
Hot water
Electric heat pump with a performance of 31 to 35 STCs or better
Solar panels
1 kW
Fixtures
Showerheads 3 star, toilets 4 star, kitchen taps 4 star, basin taps 4 star
LED lighting
Yes
Cooktop
Induction
Clothes line
Yes
Maximum glazing
aluminium frames 58.4 m², timber frames 1.4 m², single glazing 1.4 m², double glazing 58.4 m²

Heating

  • 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

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, 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)
  • Garage floor: concrete slab on ground, waffle pod slab (no added insulation)
  • External wall: brick veneer; frame: timber - H2 treated softwood (fibreglass batts or roll)
  • External wall: external insulated façade system (EIFS); frame: timber - H2 treated softwood (fibreglass batts or roll)
  • External garage wall: brick veneer; frame: timber - H2 treated softwood (no added insulation)
  • 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: 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 1812542S_04, issued 19 December 2025, from the council's DA documents.

NatHERS certificate

Star rating
7 stars
Rated with
FirstRate5: 5.5.5a (3.22)
Rated on
19 Dec 2025

Certificate MAP43GF2G8-03, issued 19 December 2025, from the council's DA documents. Verify this certificate

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