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18 Grandiose Close Thrumster NSW 2444

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BASIX certificate and NatHERS rating

This home's BASIX certificate commits it to 6 kW of solar panels. It beat its BASIX energy target, scoring 100 against 70.

Key features

Hot water
Electric heat pump with a performance of 31 to 35 STCs or better
Air conditioning and heating
3-phase airconditioning (living area and bedroom)

BASIX certificate

Energy score
100 (target 70)
Water score
40 (target 40)
Thermal performance
Pass
Materials score
-64
Bedrooms
5
Conditioned floor area
299.2 m²
Unconditioned floor area
19.2 m²
Site area
833 m²
Roof area
375 m²
Garden area
40 m²
Hot water
Electric heat pump with a performance of 31 to 35 STCs or better
Solar panels
6 kW
Fixtures
Showerheads 4 star, toilets 4 star, kitchen taps 4 star, basin taps 4 star
LED lighting
Yes
Clothes line
Yes

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 (no added insulation)
  • Floor: suspended floor above enclosed subfloor, treated softwood; frame: timber - H2 treated softwood (2.5 (or 3.2 including construction) (down);polyester nil subfloor wall insulation: None)
  • Floor: above habitable rooms or mezzanine, treated softwood; frame: timber - H2 treated softwood (no added insulation)

Certificate 1803338S_02, issued 10 July 2025, from the council's DA documents.

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