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17 Sirius Cove Road Mosman NSW 2088

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BASIX certificate and NatHERS rating

This home's BASIX certificate commits it to 12 kW of solar panels and a 5,000 litre rainwater tank. It beat its BASIX energy and water targets, scoring 100 against 72 for energy and 58 against 40 for water.

Key features

Hot water
Electric heat pump with a performance of 21 to 25 STCs or better
Air conditioning and heating
1-phase airconditioning, non ducted (living area and bedroom); Heat pump hydronic system (living area and bedroom)

BASIX certificate

Energy score
100 (target 72)
Water score
58 (target 40)
Thermal performance
Pass
Materials score
-100
Bedrooms
5
Conditioned floor area
298 m²
Unconditioned floor area
66 m²
Site area
785 m²
Roof area
298 m²
Garden area
356 m²
Hot water
Electric heat pump with a performance of 21 to 25 STCs or better
Solar panels
12 kW
Rainwater tank
5,000 litres
Fixtures
Showerheads 4 star, toilets 5 star, kitchen taps 5 star, basin taps 5 star
LED lighting
Yes
Clothes line
Yes

Heating

  • Living area: heat pump hydronic system; Energy rating: n/a
  • Bedroom: heat pump hydronic system; Energy rating: n/a

Cooling

  • Living area: 1-phase airconditioning - non ducted; Energy rating: 5 Star (old label)
  • Bedroom: 1-phase airconditioning - non ducted; Energy rating: 5 Star (old label)

Construction and insulation

  • Floor: concrete slab on ground, conventional slab (no added insulation)
  • Floor: suspended floor above enclosed subfloor, concrete - suspended; frame: no frame (1 (or 1.6 including construction) (down);rockwool batts, roll or pump-in nil reflective foil facing the subfloor; subfloor wall insulation: >R1.0)
  • Floor: above habitable rooms or mezzanine, concrete - suspended; frame: no frame (no added insulation)

Certificate 1809394S_02, issued 15 September 2025, from the council's DA documents.

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