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15 Chester Place Narraweena NSW 2099

BASIX certificate and NatHERS rating

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This home's BASIX certificate commits it to 3 kW of solar panels and a 3,500 litre rainwater tank. It beat its BASIX energy and water targets, scoring 73 against 72 for energy and 44 against 40 for water.

Key features

Windows
Up to aluminium frames 83.1 m², single glazing 3.3 m², double glazing 79.8 m²
Wall insulation
Fibreglass batts or roll
Roof and ceiling insulation
Ceiling: fibreglass batts or roll; roof: foil backed blanket
Hot water
Electric instantaneous
Air conditioning and heating
Airconditioning ducting only (living area and bedroom)

BASIX certificate

Energy score
73 (target 72)
Water score
44 (target 40)
Thermal performance
Pass
Materials score
-46
Heating load
16 MJ/m² a year
Cooling load
14 MJ/m² a year
Bedrooms
4
Conditioned floor area
261.6 m²
Unconditioned floor area
23.6 m²
Site area
702 m²
Roof area
301 m²
Garden area
264 m²
Climate zone
NatHERS climate zone 56
Hot water
Electric instantaneous
Solar panels
3 kW
Rainwater tank
3,500 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 83.1 m², single glazing 3.3 m², double glazing 79.8 m²

Heating

  • Living area: airconditioning ducting only; Energy rating: n/a
  • Bedroom: airconditioning ducting only; Energy rating: n/a

Cooling

  • Living area: airconditioning ducting only; Energy rating: n/a
  • Bedroom: airconditioning ducting only; Energy rating: n/a

Construction and insulation

  • Floor: concrete slab on ground, conventional slab (polystyrene)
  • Floor: suspended floor above enclosed subfloor, concrete - suspended; frame: no frame (polystyrene)
  • Floor: suspended floor above open subfloor, particle board; frame: timber - H2 treated softwood (fibreglass batts or roll)
  • Floor: above habitable rooms or mezzanine, fibre cement; frame: light steel frame (no added insulation)
  • Garage floor: concrete slab on ground (no added insulation)
  • External wall: framed (metal clad); frame: timber - H2 treated softwood (fibreglass batts or roll)
  • External wall: framed (fibre cement sheet or boards); frame: timber - H2 treated softwood (fibreglass batts or roll)
  • External garage wall: framed (metal clad); frame: please select (not specified)
  • Internal wall: plasterboard; frame: timber - H2 treated softwood (fibreglass batts or roll)
  • Internal wall: plasterboard; frame: timber - H2 treated softwood (no added insulation)
  • Ceiling and roof: raked ceiling / pitched or skillion roof, framed - metal roof, timber - H2 treated softwood (ceiling: fibreglass batts or roll; roof: foil backed blanket.)

Certificate 1767387S_02, issued 16 October 2024, from the council's DA documents.

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