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8 Cumberland Avenue Castle Hill NSW 2154

BASIX certificate and NatHERS rating

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This home's BASIX certificate commits it to a 3,000 litre rainwater tank. It beat its BASIX energy target, scoring 73 against 72.

Key features

Windows
Up to aluminium frames 81.2 m², single glazing 35.1 m², double glazing 46.1 m²
Wall insulation
Fibreglass batts or roll+ foil/sarking
Roof and ceiling insulation
Ceiling: fibreglass batts or roll; roof: foil backed blanket
Hot water
Electric boosted solar with a performance of 26 to 30 STCs or better
Air conditioning and heating
1-phase airconditioning, ducted (living area and bedroom)

Built by Clarendon Homes.

BASIX certificate

Energy score
73 (target 72)
Water score
40 (target 40)
Thermal performance
Pass
Materials score
-100
Heating load
11 MJ/m² a year
Cooling load
18 MJ/m² a year
Bedrooms
5
Conditioned floor area
383.1 m²
Unconditioned floor area
3.9 m²
Site area
962 m²
Roof area
356 m²
Garden area
457 m²
Climate zone
NatHERS climate zone 56
Hot water
Electric boosted solar with a performance of 26 to 30 STCs or better
Rainwater tank
3,000 litres
Fixtures
Showerheads 4 star, toilets 4 star, kitchen taps 4 star, basin taps 4 star
LED lighting
Yes
Cooktop
Gas
Clothes line
Yes
Maximum glazing
aluminium frames 81.2 m², single glazing 35.1 m², double glazing 46.1 m²

Heating

  • Living area: 1-phase airconditioning - ducted; Energy rating: 3.5 star (average zone)
  • Bedroom: 1-phase airconditioning - ducted; Energy rating: 3.5 star (average zone)

Cooling

  • Living area: 1-phase airconditioning - ducted; Energy rating: 3 star (average zone)
  • Bedroom: 1-phase airconditioning - ducted; Energy rating: 3 star (average zone)

Construction and insulation

  • Floor: concrete slab on ground, waffle pod slab (no added insulation)
  • Floor: suspended floor above open subfloor, particle board; frame: light steel frame (fibreglass batts or roll)
  • Floor: above habitable rooms or mezzanine, particle board; frame: light steel frame (fibreglass batts or roll)
  • Floor: suspended floor above garage, particle board; frame: light steel frame (fibreglass batts or roll)
  • Garage floor: concrete slab on ground, waffle pod slab (no added insulation)
  • External wall: brick veneer; frame: light steel frame (fibreglass batts or roll+ foil/sarking)
  • External wall: external insulated façade system (EIFS); frame: light steel frame (fibreglass batts or roll+ foil/sarking)
  • 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 (no added insulation)
  • Ceiling and roof: flat ceiling / pitched roof, framed - metal roof, timber - H2 treated softwood (ceiling: fibreglass batts or roll; roof: foil backed blanket.)

Certificate 1759011S_02, issued 16 December 2024, from the council's DA documents.

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