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22 Birkdale Circuit Sussex Inlet NSW 2540

BASIX certificate and NatHERS rating

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This home's BASIX certificate commits it to 6.65 kW of solar panels and a 4,250 litre rainwater tank. It beat its BASIX energy and water targets, scoring 90 against 69 for energy and 48 against 40 for water.

Key features

Windows
Up to aluminium frames 29.1 m², timber frames 0.5 m², single glazing 0.5 m², double glazing 29.1 m²
Wall insulation
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 6 stars
Air conditioning and heating
1-phase airconditioning, ducted (living area and bedroom)

BASIX certificate

Energy score
90 (target 69)
Water score
48 (target 40)
Thermal performance
Pass
Materials score
-78
Heating load
50 MJ/m² a year
Cooling load
12 MJ/m² a year
Bedrooms
4
Conditioned floor area
129.1 m²
Unconditioned floor area
12.9 m²
Site area
567 m²
Roof area
245 m²
Garden area
215 m²
Climate zone
NatHERS climate zone 18
Hot water
Gas instantaneous with a performance of 6 stars
Solar panels
6.65 kW
Rainwater tank
4,250 litres
Fixtures
Showerheads 3 star, toilets 4 star, kitchen taps 4 star, basin taps 5 star
LED lighting
Yes
Cooktop
Gas
Clothes line
Yes
Maximum glazing
aluminium frames 29.1 m², timber frames 0.5 m², single glazing 0.5 m², double glazing 29.1 m²

Heating

  • Living area: 1-phase airconditioning - ducted; Energy rating: EER 3.5 - 4.0
  • Bedroom: 1-phase airconditioning - ducted; Energy rating: EER 3.5 - 4.0

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)
  • Garage floor: concrete slab on ground, waffle pod slab (no added insulation)
  • External wall: brick veneer; frame: light steel frame (fibreglass batts or roll)
  • External wall: framed (solid or reconstituted timber weatherboard); frame: light steel frame (fibreglass batts or roll)
  • External garage wall: brick veneer; frame: light steel frame (no added insulation)
  • External garage wall: cavity brick; frame: no frame (no added insulation)
  • Internal wall: plasterboard; frame: light steel frame (fibreglass batts or roll)
  • Internal wall: plasterboard; frame: light steel frame (no added insulation)
  • Ceiling and roof: flat ceiling / pitched roof, framed - metal roof, light steel frame (ceiling: fibreglass batts or roll; roof: foil backed blanket.)

Certificate 1840013S_03, issued 1 April 2026, from the council's DA documents.

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