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11 Gugandi Road Narara NSW 2250

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BASIX certificate and NatHERS rating

This home's BASIX certificate commits it to 5 kW of solar panels and a 10,000 litre rainwater tank. It beat its BASIX energy and water targets, scoring 100 against 70 for energy and 55 against 40 for water.

Key features

Windows
Up to uPVC frames 26.9 m², double glazing 26.9 m²
Wall insulation
No added insulation; 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 21 to 25 STCs or better
Air conditioning and heating
1-phase airconditioning, non ducted (living area)

BASIX certificate

Energy score
100 (target 70)
Water score
55 (target 40)
Thermal performance
Pass
Materials score
-86
Heating load
24 MJ/m² a year
Cooling load
6 MJ/m² a year
Bedrooms
3
Conditioned floor area
133.3 m²
Unconditioned floor area
14.9 m²
Site area
562 m²
Roof area
246 m²
Garden area
260 m²
Climate zone
NatHERS climate zone 15
Hot water
Electric heat pump with a performance of 21 to 25 STCs or better
Solar panels
5 kW
Rainwater tank
10,000 litres
Fixtures
Showerheads 4 star, toilets 4 star, kitchen taps 4 star, basin taps 4 star
LED lighting
Yes
Cooktop
Induction
Clothes line
Yes
Maximum glazing
uPVC frames 26.9 m², double glazing 26.9 m²

Heating

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

Cooling

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

Construction and insulation

  • Floor: concrete slab on ground, conventional slab (not specified)
  • Floor: above habitable rooms or mezzanine, treated softwood; frame: timber - H2 treated softwood (no added insulation)
  • Garage floor: concrete slab on ground (no added insulation)
  • External wall: mudbrick or rammed earth; frame: no frame (no added insulation)
  • External wall: framed (solid or reconstituted timber weatherboard); frame: timber - H2 treated softwood (fibreglass batts or roll)
  • External wall: straw-bale panel; frame: timber - H2 treated softwood (no added insulation)
  • Internal wall: mud brick or rammed earth; frame: timber - H2 treated softwood (hemp-lime insulation)
  • Ceiling and roof: flat ceiling / pitched roof, framed - metal roof, timber - H2 treated softwood (ceiling: fibreglass batts or roll; roof: foil backed blanket.)
  • Ceiling and roof: flat ceiling / flat roof, framed - metal roof, timber - H2 treated softwood (ceiling: fibreglass batts or roll; roof: foil backed blanket.)

Certificate 1838613S, issued 21 March 2026, from the council's DA documents.

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