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18 Hillcrest Avenue, Mona Vale 2103 DP 818730

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BASIX certificate and NatHERS rating

This home's BASIX certificate commits it to 4 kW of solar panels and a 3,000 litre rainwater tank. It beat its BASIX energy target, scoring 84 against 72.

Key features

Windows
Up to aluminium frames 96.6 m², double glazing 96.6 m²
Wall insulation
Foil-foam composite board; Fibreglass batts or roll
Roof and ceiling insulation
Ceiling: fibreglass batts or roll; roof: foil backed blanket
Hot water
Electric heat pump with a performance of 31 to 35 STCs or better
Air conditioning and heating
1-phase airconditioning, ducted (living area and bedroom)

Built by Balmoral Homes.

BASIX certificate

Energy score
84 (target 72)
Water score
40 (target 40)
Thermal performance
Pass
Materials score
-68
Heating load
19 MJ/m² a year
Cooling load
10 MJ/m² a year
Bedrooms
4
Conditioned floor area
213 m²
Unconditioned floor area
23.2 m²
Site area
3,495 m²
Roof area
130 m²
Garden area
100 m²
Climate zone
NatHERS climate zone 56
Hot water
Electric heat pump with a performance of 31 to 35 STCs or better
Solar panels
4 kW
Rainwater tank
3,000 litres
Fixtures
Showerheads 4 star, toilets 5 star, kitchen taps 5 star, basin taps 5 star
LED lighting
Yes
Clothes line
Yes
Maximum glazing
aluminium frames 96.6 m², double glazing 96.6 m²

Heating

  • Living area: 1-phase airconditioning - ducted; Energy rating: 3 Star (old label
  • Bedroom: 1-phase airconditioning - ducted; Energy rating: 3 Star (old label

Cooling

  • Living area: 1-phase airconditioning - ducted; Energy rating: 3 Star (old label)
  • Bedroom: 1-phase airconditioning - ducted; Energy rating: 3 Star (old label)

Construction and insulation

  • Floor: concrete slab on ground, conventional slab (no added insulation)
  • Garage floor: concrete slab on ground, waffle pod slab (no added insulation)
  • External wall: cavity brick; frame: no frame (foil-foam composite board)
  • External wall: framed (metal clad); frame: timber - H2 treated softwood (fibreglass batts or roll)
  • Internal wall: single skin masonry; frame: no frame (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 1766586S, issued 28 September 2024, from the council's DA documents.

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