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143 Mataram Road Woongarrah NSW 2259

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BASIX certificate and NatHERS rating

This home's BASIX certificate commits it to 6.6 kW of solar panels and a 3,000 litre rainwater tank. It beat its BASIX energy target, scoring 100 against 70.

Key features

Windows
Up to aluminium frames 35.9 m², single glazing 35.9 m²
Wall insulation
Fibreglass batts or roll+ foil/sarking
Roof and ceiling insulation
Ceiling: fibreglass batts or roll; roof: foil backed blanket
Hot water
Electric heat pump with a performance of 15 to 20 STCs or better
Air conditioning and heating
1-phase airconditioning, ducted (living area and bedroom)

Built by Clarendon Homes.

BASIX certificate

Energy score
100 (target 70)
Water score
40 (target 40)
Thermal performance
Pass
Materials score
-25
Heating load
21 MJ/m² a year
Cooling load
20 MJ/m² a year
Bedrooms
4
Conditioned floor area
186.9 m²
Unconditioned floor area
10.6 m²
Site area
559 m²
Roof area
184 m²
Garden area
330 m²
Climate zone
NatHERS climate zone 15
Hot water
Electric heat pump with a performance of 15 to 20 STCs or better
Solar panels
6.6 kW
Rainwater tank
3,000 litres
Fixtures
Showerheads 3 star, toilets 4 star, kitchen taps 4 star, basin taps 4 star
LED lighting
Yes
Clothes line
Yes
Maximum glazing
aluminium frames 35.9 m², single glazing 35.9 m²

Heating

  • Living area: 1-phase airconditioning - ducted; Energy rating: 3.5 star (average zone)
  • Bedroom: 1-phase airconditioning - ducted; Energy rating: 3.5 star (average zone)

Cooling

  • Living area: 1-phase airconditioning - ducted; Energy rating: 3 star (average zone)
  • Bedroom: 1-phase airconditioning - ducted; Energy rating: 3 star (average zone)

Construction and insulation

  • Floor: concrete slab on ground, waffle pod slab (no added insulation)
  • Floor: above habitable rooms or mezzanine, particle board; frame: light steel frame (fibreglass batts or roll)
  • Floor: suspended floor above garage, particle board; frame: light steel frame (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+ foil/sarking)
  • External wall: framed (fibre cement sheet or boards); frame: light steel frame (fibreglass batts or roll+ foil/sarking)
  • External garage wall: brick veneer; frame: light steel frame (foil/sarking)
  • External garage wall: cavity brick; frame: no frame (no added insulation)
  • Internal wall: plasterboard; frame: light steel 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, timber - H2 treated softwood (ceiling: fibreglass batts or roll; roof: foil backed blanket.)

Certificate 1830002S, issued 23 January 2026, from the council's DA documents.

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