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40 Wirraway Boulevard Badagarang NSW 2540

BASIX certificate and NatHERS rating

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This home has a NatHERS rating of 6.1 stars out of 10. Its BASIX certificate commits it to 1 kW of solar panels and a 1,750 litre rainwater tank. Its NatHERS certificate lists insulation in the external walls, ceiling and floor. It beat its BASIX energy target, scoring 54 against 50.

Key features

Windows
16 windows and glazed doors: Aluminium B SG Clear; Aluminium A SG Clear; Timber A SG Clear
Wall insulation
R2, R2.5
Roof and ceiling insulation
Ceiling R5, roof Corrugated Iron Bulk, Reflective Side Down, No Air Gap Above R1.3, medium colour
Hot water
Gas instantaneous with a performance of 6 stars
Air conditioning and heating
1-phase airconditioning (living area and bedroom)

Built by White Sands.

BASIX certificate

Energy score
54 (target 50)
Water score
40 (target 40)
Thermal performance
Pass
Materials score
-1
Heating load
61 MJ/m² a year
Cooling load
17 MJ/m² a year
Bedrooms
3
Conditioned floor area
124 m²
Unconditioned floor area
7 m²
Site area
332 m²
Roof area
216 m²
Garden area
108 m²
Climate zone
NatHERS climate zone 18
Hot water
Gas instantaneous with a performance of 6 stars
Solar panels
1 kW
Rainwater tank
1,750 litres
Fixtures
Showerheads 3 star, toilets 4 star, kitchen taps 4 star, basin taps 4 star
Cooktop
Induction
Clothes line
Yes

Heating

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

Cooling

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

Certificate 1744319S_02, issued 10 March 2026, from the council's DA documents.

NatHERS certificate

Star rating
6.1 stars
Rated with
BERS Pro v4.4.1.5 (3.21)
Rated on
10 Mar 2026
Wall insulation
R2, R2.5
Ceiling insulation
R5
Floor insulation
R0.9
LED downlights
26
Living room glazing by direction
N 5.6 m², E 12 m², S 0.2 m²
All glazing by direction
N 5.6 m², E 18.6 m², S 6.3 m², W 4.4 m²

Roof

  • Corrugated Iron Bulk, Reflective Side Down, No Air Gap Above R1.3, medium colour

Window types

  • ALM-002-01 A Aluminium B SG Clear: U-value 6.7, SHGC 0.7
  • ALM-001-01 A Aluminium A SG Clear: U-value 6.7, SHGC 0.57
  • TIM-001-01 W Timber A SG Clear: U-value 5.4, SHGC 0.56

Window schedule

  • Pantry/Laundry, window ALM-002-01 A: 600 × 1,220 mm facing W
  • Kitchen/Living, window ALM-002-01 A: 2,100 × 2,688 mm facing E
  • Kitchen/Living, window ALM-002-01 A: 2,100 × 2,688 mm facing N
  • Kitchen/Living, window ALM-002-01 A: 2,060 × 850 mm facing E
  • Kitchen/Living, window ALM-002-01 A: 2,060 × 850 mm facing E
  • Kitchen/Living, window ALM-001-01 A: 1,200 × 2,410 mm facing E
  • Kitchen/Living, window TIM-001-01 W: 1,600 × 150 mm facing S
  • Bed 3, window ALM-002-01 A: 1,200 × 1,810 mm facing W
  • Bath, window ALM-002-01 A: 1,030 × 1,450 mm facing W
  • Bed 2, window ALM-002-01 A: 1,200 × 2,100 mm facing S
  • Bed 1, window ALM-002-01 A: 2,100 × 610 mm facing E
  • Bed 1, window ALM-002-01 A: 2,100 × 610 mm facing E
  • Bed 1, window ALM-001-01 A: 2,100 × 1,640 mm facing E
  • Bed 1, window ALM-002-01 A: 2,060 × 850 mm facing S
  • Bed 1, window ALM-002-01 A: 2,060 × 850 mm facing S
  • Ens, window ALM-002-01 A: 860 × 610 mm facing E

Certificate 0012833513, issued 10 March 2026, from the council's DA documents. Verify this certificate

Other certificates for this address

BASIX certificate, certificate 1744319S, issued 19 April 2024

BASIX certificate

Energy score
50 (target 50)
Water score
40 (target 40)
Thermal performance
Pass
Heating load
73 MJ/m² a year
Cooling load
28 MJ/m² a year
Bedrooms
3
Conditioned floor area
122 m²
Unconditioned floor area
7 m²
Site area
332 m²
Roof area
216 m²
Garden area
108 m²
Climate zone
NatHERS climate zone 18
Hot water
Gas instantaneous with a performance of 6 stars
Solar panels
1 kW
Rainwater tank
1,750 litres
Fixtures
Showerheads 3 star, toilets 4 star, kitchen taps 4 star, basin taps 4 star
Cooktop
Induction
Clothes line
Yes

Heating

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

Cooling

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

Certificate 1744319S, issued 19 April 2024, from the council's DA documents.

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