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37 Hilltop Street Bateau Bay NSW 2261

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BASIX certificate and NatHERS rating

This home's BASIX certificate commits it to 5 kW of solar panels and a 2,000 litre rainwater tank. It beat its BASIX energy and water targets, scoring 100 against 70 for energy and 44 against 40 for water.

Key features

Windows
Up to aluminium frames 85 m², double glazing 85 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 boosted solar with a performance of 15 to 20 STCs or better
Air conditioning and heating
1-phase airconditioning, non ducted (living area and bedroom)

BASIX certificate

Energy score
100 (target 70)
Water score
44 (target 40)
Materials score
-6
Heating load
22 MJ/m² a year
Cooling load
29 MJ/m² a year
Bedrooms
5
Conditioned floor area
212 m²
Unconditioned floor area
16.8 m²
Site area
638 m²
Roof area
160 m²
Garden area
100 m²
Climate zone
NatHERS climate zone 15
Hot water
Electric boosted solar with a performance of 15 to 20 STCs or better
Solar panels
5 kW
Rainwater tank
2,000 litres
Fixtures
Showerheads 4 star, toilets 3 star, kitchen taps 3 star, basin taps 3 star
LED lighting
Yes
Clothes line
Yes
Maximum glazing
aluminium frames 85 m², double glazing 85 m²

Heating

  • Living area: 1-phase airconditioning - non ducted; Energy rating: 5 star (average zone)
  • Bedroom: 1-phase airconditioning - non ducted; Energy rating: 5 star (average zone)

Cooling

  • Living area: 1-phase airconditioning - non ducted; Energy rating: 5 star (average zone)
  • Bedroom: 1-phase airconditioning - non ducted; Energy rating: 5 star (average zone)

Construction and insulation

  • Floor: suspended floor above enclosed subfloor, concrete - suspended; frame: no frame (fibreglass batts or roll)
  • Floor: above habitable rooms or mezzanine, concrete - suspended; frame: no frame (fibreglass batts or roll)
  • Floor: suspended floor above garage, concrete - suspended; frame: no frame (fibreglass batts or roll)
  • Garage floor: concrete - suspended; frame: no frame (no added insulation)
  • External wall: framed (fibre cement sheet or boards); frame: timber - H2 treated softwood. all external walls fibreglass batts or roll+ foil/sarking
  • External garage wall: framed (fibre cement sheet or boards); frame: timber - H2 treated softwood (foil/sarking)
  • 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 / flat roof, framed - metal roof, timber - untreated softwood (ceiling: fibreglass batts or roll; roof: foil/sarking.)

Certificate 1860474S, issued 11 August 2026, from the council's DA documents.

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