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12A Melbourne Street East Gosford NSW 2250

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BASIX certificate and NatHERS rating

This home's BASIX certificate commits it to 6 kW of solar panels and a 3,000 litre rainwater tank. It beat its BASIX energy and water targets, scoring 100 against 70 for energy and 50 against 40 for water.

Key features

Windows
Up to aluminium frames 46.8 m², double glazing 46.8 m²
Wall insulation
Fibreglass batts or roll
Roof and ceiling insulation
Ceiling: fibreglass batts or roll; roof: foil backed blanket
Hot water
Electric boosted solar
Air conditioning and heating
1-phase airconditioning, ducted (living area and bedroom)

Built by Rustic Touch.

BASIX certificate

Energy score
100 (target 70)
Water score
50 (target 40)
Thermal performance
Pass
Materials score
-34
Heating load
36 MJ/m² a year
Cooling load
14 MJ/m² a year
Bedrooms
3
Conditioned floor area
162.4 m²
Unconditioned floor area
10 m²
Site area
491 m²
Roof area
253 m²
Garden area
130 m²
Climate zone
NatHERS climate zone 15
Hot water
Electric boosted solar
Solar panels
6 kW
Rainwater tank
3,000 litres
Fixtures
Showerheads 3 star, toilets 4 star, kitchen taps 4 star, basin taps 4 star
LED lighting
Yes
Clothes line
Yes
Maximum glazing
aluminium frames 46.8 m², double glazing 46.8 m²

Heating

  • Living area: 1-phase airconditioning - ducted; Energy rating: 2.5 star (average zone)
  • Bedroom: 1-phase airconditioning - ducted; Energy rating: 2.5 star (average zone)

Cooling

  • Living area: 1-phase airconditioning - ducted; Energy rating: 2.5 star (average zone)
  • Bedroom: 1-phase airconditioning - ducted; Energy rating: 2.5 star (average zone)

Construction and insulation

  • Floor: concrete slab on ground, waffle pod slab (polystyrene)
  • Floor: suspended floor above open subfloor, AAC panel (75 mm); frame: timber - H2 treated softwood (fibreglass batts or roll)
  • Floor: above habitable rooms or mezzanine, AAC panel (75 mm); frame: timber - H2 treated softwood (fibreglass batts or roll)
  • Floor: suspended floor above garage, AAC panel (75 mm); frame: timber - H2 treated softwood (fibreglass batts or roll)
  • Garage floor: concrete slab on ground (not specified)
  • External wall: framed (fibre cement sheet or boards); frame: timber - H2 treated softwood (fibreglass batts or roll)
  • External wall: brick veneer; frame: timber - H2 treated softwood (fibreglass batts or roll)
  • External wall: framed (solid or reconstituted timber weatherboard); frame: timber - H2 treated softwood (fibreglass batts or roll)
  • External garage wall: framed (fibre cement sheet or boards); frame: timber - H2 treated softwood (no added insulation)
  • Internal wall: plasterboard; frame: timber - H2 treated softwood (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 1794549S, issued 8 May 2025, from the council's DA documents.

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