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54 Wirraway Boulevard Badagarang NSW 2540

BASIX certificate and NatHERS rating

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This home has a NatHERS rating of 7 stars out of 10. Its BASIX certificate commits it to 1 kW of solar panels and a 1,000 litre rainwater tank. Its NatHERS certificate lists insulation in the external walls, ceiling and floor. It beat its BASIX energy and water targets, scoring 75 against 69 for energy and 41 against 40 for water.

Key features

Windows
11 windows and glazed doors: Aluminium B DG Argon Fill High Solar Gain low-E; Al Thermally Broken B DG Argon Fill High Solar
Wall insulation
R2.5
Roof and ceiling insulation
Ceiling R5, roof Corrugated Iron Timber Frame Foil, Gap Above, Reflective Side Down, Anti-glare Up, medium colour
Hot water
Gas instantaneous with a performance of 6 stars
Air conditioning and heating
1-phase airconditioning, ducted (living area and bedroom)

Built by White Sands.

BASIX certificate

Energy score
75 (target 69)
Water score
41 (target 40)
Thermal performance
Pass
Materials score
-2
Heating load
55 MJ/m² a year
Cooling load
5 MJ/m² a year
Bedrooms
4
Conditioned floor area
117.9 m²
Unconditioned floor area
8 m²
Site area
305 m²
Roof area
223 m²
Garden area
63 m²
Climate zone
NatHERS climate zone 18
Hot water
Gas instantaneous with a performance of 6 stars
Solar panels
1 kW
Rainwater tank
1,000 litres
Fixtures
Showerheads 4 star, toilets 4 star, kitchen taps 5 star, basin taps 4 star
LED lighting
Yes
Cooktop
Gas
Clothes line
Yes
Maximum glazing
aluminium frames 28 m², double glazing 28 m²

Heating

  • Living area: 1-phase airconditioning - ducted; Energy rating: EER 2.5 - 3.0
  • Bedroom: 1-phase airconditioning - ducted; Energy rating: EER 2.5 - 3.0

Cooling

  • Living area: 1-phase airconditioning - ducted; Energy rating: EER 2.5 - 3.0
  • Bedroom: 1-phase airconditioning - ducted; Energy rating: EER 2.5 - 3.0

Construction and insulation

  • Floor: concrete slab on ground, conventional slab (no added insulation)
  • Garage floor: concrete slab on ground (no added insulation)
  • External wall: framed (fibre cement sheet or boards); frame: timber - H2 treated softwood. all external walls fibreglass batts or roll
  • External garage wall: framed (fibre cement sheet or boards); frame: timber - H2 treated softwood (no added insulation)
  • External garage wall: brick veneer; frame: timber - H2 treated softwood (no added insulation)
  • Internal wall: plasterboard; frame: timber - H2 treated softwood (no added insulation)
  • Internal wall: plasterboard; frame: timber - H2 treated softwood (fibreglass batts or roll)
  • Ceiling and roof: flat ceiling / pitched roof, framed - metal roof, timber - H2 treated softwood (ceiling: fibreglass batts or roll; roof: foil/sarking.)

Certificate 1823277S, issued 24 November 2025, from the council's DA documents.

NatHERS certificate

Star rating
7 stars
Rated with
BERS Pro v5.2.6 (3.23)
Rated on
24 Nov 2025
Wall insulation
R2.5
Ceiling insulation
R5
Floor insulation
R2.5, R2, R0.9
LED downlights
28
Living room glazing by direction
N 2.9 m², E 2.3 m², S 2.1 m², W 7.2 m²
All glazing by direction
N 2.9 m², E 5.6 m², S 10.1 m², W 9.6 m²

Roof

  • Corrugated Iron Timber Frame Foil, Gap Above, Reflective Side Down, Anti-glare Up, medium colour

Window types

  • ALM-006-03 A Aluminium B DG Argon Fill High Solar Gain low-E: U-value 4.1, SHGC 0.52
  • ATB-006-03 B Al Thermally Broken B DG Argon Fill High Solar: U-value 2.9, SHGC 0.51

Window schedule

  • Kitchen/Living1, window ALM-006-03 A: 1,460 × 1,570 mm facing E
  • Kitchen/Living1, window ALM-006-03 A: 2,340 × 900 mm facing S
  • Kitchen/Living1, window ALM-006-03 A: 600 × 2,650 mm facing W
  • Kitchen/Living1, window ALM-006-03 A: 1,200 × 2,410 mm facing N
  • Kitchen/Living1, window ATB-006-03 B: 2,100 × 2,688 mm facing W
  • Bed 3, window ALM-006-03 A: 1,030 × 1,810 mm facing E
  • Bath, window ALM-006-03 A: 1,030 × 1,450 mm facing E
  • Bed 4, window ALM-006-03 A: 1,800 × 2,650 mm facing S
  • Bed 1, window ALM-006-03 A: 1,460 × 2,170 mm facing S
  • Ens, window ALM-006-03 A: 860 × 610 mm facing W
  • Bed 2, window ALM-006-03 A: 1,030 × 1,810 mm facing W

Certificate 0012406112-01, issued 24 November 2025, from the council's DA documents. Verify this certificate

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