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66 Knowles Avenue Matraville NSW 2036

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BASIX certificate and NatHERS rating

This home's BASIX certificate commits it to 3.2 kW of solar panels and a 5,000 litre rainwater tank.

Key features

Windows
Up to aluminium frames 71 m², single glazing 61 m², double glazing 10 m²
Wall insulation
All external walls 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 5 stars
Air conditioning and heating
1-phase airconditioning, non ducted (living area and bedroom)

BASIX certificate

Energy score
72 (target 72)
Water score
40 (target 40)
Materials score
-50
Heating load
19 MJ/m² a year
Cooling load
11 MJ/m² a year
Bedrooms
5
Conditioned floor area
254 m²
Unconditioned floor area
15 m²
Site area
493 m²
Roof area
208 m²
Garden area
204 m²
Climate zone
NatHERS climate zone 56
Hot water
Gas instantaneous with a performance of 5 stars
Solar panels
3.2 kW
Rainwater tank
5,000 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 71 m², single glazing 61 m², double glazing 10 m²

Heating

  • Living area: 1-phase airconditioning - non ducted; Energy rating: 2.5 Star (old label)
  • Bedroom: 1-phase airconditioning - non ducted; Energy rating: 2.5 Star (old label)

Cooling

  • Living area: 1-phase airconditioning - non ducted; Energy rating: 2.5 Star (old label)
  • Bedroom: 1-phase airconditioning - non ducted; Energy rating: 2.5 Star (old label)

Construction and insulation

  • Floor: concrete slab on ground, conventional slab (not specified)
  • Floor: suspended floor above open subfloor, concrete - suspended; frame: no frame (fibreglass batts or roll)
  • Floor: above habitable rooms or mezzanine, concrete - suspended; frame: no frame (no added insulation)
  • Floor: suspended floor above garage, concrete - suspended; frame: no frame (fibreglass batts or roll)
  • Garage floor: concrete slab on ground (no added insulation)
  • External wall: brick veneer; frame: timber - untreated softwood. all external walls fibreglass batts or roll
  • External garage wall: brick veneer; frame: timber - untreated softwood (no added insulation)
  • Internal wall: single skin masonry; frame: no frame (no added insulation)
  • Ceiling and roof: flat ceiling / flat roof, framed - metal roof, timber - untreated softwood (ceiling: fibreglass batts or roll; roof: foil backed blanket.)

Certificate 1854191S_02, issued 9 July 2026, from the council's DA documents.

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