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5 Hamilton Street Coogee NSW 2034

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BASIX certificate and NatHERS rating

This home's BASIX certificate commits it to 12 kW of solar panels and a 3,000 litre rainwater tank. It beat its BASIX energy and water targets, scoring 100 against 72 for energy and 46 against 40 for water.

Key features

Windows
Up to aluminium frames 75.4 m², timber frames 2.4 m², single glazing 25.8 m², double glazing 52 m²
Wall insulation
No added 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 21 to 25 STCs or better
Air conditioning and heating
1-phase airconditioning, ducted (living area and bedroom)

BASIX certificate

Energy score
100 (target 72)
Water score
46 (target 40)
Thermal performance
Pass
Materials score
-64
Heating load
13 MJ/m² a year
Cooling load
14 MJ/m² a year
Bedrooms
5
Conditioned floor area
297.5 m²
Unconditioned floor area
28.3 m²
Site area
446 m²
Roof area
189 m²
Garden area
142 m²
Climate zone
NatHERS climate zone 56
Hot water
Electric heat pump with a performance of 21 to 25 STCs or better
Solar panels
12 kW
Rainwater tank
3,000 litres
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 75.4 m², timber frames 2.4 m², single glazing 25.8 m², double glazing 52 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, concrete - suspended; frame: no frame (no added insulation)
  • Floor: above habitable rooms or mezzanine, concrete - suspended; frame: no frame (no added insulation)
  • Floor: suspended floor above garage, concrete - suspended; frame: no frame (no added insulation)
  • Garage floor: concrete slab on ground, waffle pod slab (no added insulation)
  • External wall: concrete block/plasterboard; frame: no frame (no added insulation)
  • External wall: brick veneer; frame: timber - H2 treated softwood (fibreglass batts or roll)
  • External garage wall: concrete block/plasterboard; frame: no frame (no added insulation)
  • Internal wall: plasterboard; frame: timber - H2 treated softwood (no added insulation)
  • Internal wall: plasterboard; frame: timber - H2 treated softwood (fibreglass batts or roll)
  • Ceiling and roof: flat ceiling / pitched roof, framed - concrete tiles , timber - H2 treated softwood (ceiling: fibreglass batts or roll; roof: foil/sarking.)

Certificate 1831115S, issued 2 February 2026, from the council's DA documents.

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