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Birkdale Cct, Sussex Inlet - Lot 1006 DP 1247845

BASIX certificate and NatHERS rating

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This home's BASIX certificate commits it to a 2,660 litre rainwater tank. It beat its BASIX energy and water targets, scoring 71 against 69 for energy and 46 against 40 for water.

Key features

Windows
Up to aluminium frames 29 m², single glazing 17 m², double glazing 12 m²
Wall insulation
All external walls fibreglass batts or roll+ foil/sarking
Roof and ceiling insulation
Ceiling: fibreglass batts or roll; roof: foil/sarking
Hot water
Electric heat pump with a performance of 15 to 20 STCs or better
Air conditioning and heating
1-phase airconditioning, non ducted (living area and bedroom)

Built by McDonald Jones Communities.

BASIX certificate

Energy score
71 (target 69)
Water score
46 (target 40)
Thermal performance
Pass
Materials score
-67
Heating load
51 MJ/m² a year
Cooling load
8 MJ/m² a year
Bedrooms
4
Conditioned floor area
129 m²
Unconditioned floor area
11 m²
Site area
530 m²
Roof area
235 m²
Garden area
100 m²
Climate zone
NatHERS climate zone 18
Hot water
Electric heat pump with a performance of 15 to 20 STCs or better
Rainwater tank
2,660 litres
Fixtures
Showerheads 4 star, toilets 4 star, kitchen taps 4 star, basin taps 4 star
LED lighting
Yes
Clothes line
Yes
Maximum glazing
aluminium frames 29 m², single glazing 17 m², double glazing 12 m²

Heating

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

Cooling

  • Living area: 1-phase airconditioning - non ducted; Energy rating: EER 3.0 - 3.5
  • Bedroom: 1-phase airconditioning - non ducted; Energy rating: EER 3.0 - 3.5

Construction and insulation

  • Floor: concrete slab on ground, waffle pod slab (polystyrene)
  • Garage floor: concrete slab on ground, waffle pod slab (polystyrene)
  • External wall: brick veneer; frame: light steel frame. all external walls fibreglass batts or roll+ foil/sarking
  • External garage wall: brick veneer; frame: light steel frame (foil/sarking)
  • 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/sarking.)

Certificate 1838508S_02, issued 2 April 2026, from the council's DA documents.

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