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62 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 a 2,750 litre rainwater tank. Its NatHERS certificate lists insulation in the external walls, ceiling and floor. It beat its BASIX energy target, scoring 67 against 66.

Key features

Windows
14 windows and glazed doors: Al Thermally Broken B DG Argon Fill High Solar; Composite B DG Argon Fill High Solar Gain low-E; Timber A SG Clear
Wall insulation
R2.5
Roof and ceiling insulation
Ceiling R5, R3.5, roof Corrugated Iron Steel Frame Bulk, Reflective Side Down, No Air Gap Above R1.3, light colour
Hot water
Electric heat pump with a performance of 15 to 20 STCs or better
Air conditioning and heating
1-phase airconditioning, ducted (living area and bedroom)

Built by Mdtd.

BASIX certificate

Energy score
67 (target 66)
Water score
40 (target 40)
Thermal performance
Pass
Materials score
-32
Heating load
51 MJ/m² a year
Cooling load
10 MJ/m² a year
Bedrooms
3
Conditioned floor area
93.7 m²
Unconditioned floor area
10.2 m²
Site area
336 m²
Roof area
179 m²
Garden area
171 m²
Climate zone
NatHERS climate zone 18
Hot water
Electric heat pump with a performance of 15 to 20 STCs or better
Rainwater tank
2,750 litres
Fixtures
Showerheads 3 star, toilets 4 star, kitchen taps 4 star, basin taps 4 star
LED lighting
Yes
Clothes line
Yes
Maximum glazing
aluminium frames 25.4 m², timber frames 0.8 m², single glazing 0.8 m², double glazing 25.4 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, waffle pod slab (no added insulation)
  • Garage floor: concrete slab on ground, waffle pod slab (no added insulation)
  • External wall: framed (fibre cement sheet or boards); frame: light steel frame (fibreglass batts or roll)
  • External wall: brick veneer; frame: light steel frame (fibreglass batts or roll)
  • External garage wall: brick veneer; frame: light steel frame (no added insulation)
  • Internal wall: plasterboard; frame: light steel frame (fibreglass batts or roll)
  • Internal wall: plasterboard; frame: light steel frame (no added insulation)
  • Ceiling and roof: flat ceiling / pitched roof, framed - metal roof, light steel frame (ceiling: fibreglass batts or roll; roof: foil backed blanket.)

Certificate 1831748S_02, issued 17 February 2026, from the council's DA documents.

NatHERS certificate

Star rating
7 stars
Rated with
BERS Pro v5.2.6 (3.23)
Rated on
23 Feb 2026
Wall insulation
R2.5
Ceiling insulation
R5, R3.5
Floor insulation
R2.5, R2
LED downlights
26
Living room glazing by direction
N 3.8 m², E 3 m², S 1.7 m², W 4.3 m²
All glazing by direction
N 3.8 m², E 7 m², S 8.2 m², W 7.2 m²

Roof

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

Window types

  • ATB-006-03 B Al Thermally Broken B DG Argon Fill High Solar: U-value 2.9, SHGC 0.51
  • CMP-006-03 I Composite B DG Argon Fill High Solar Gain low-E: U-value 3.2, SHGC 0.49
  • TIM-001-01 W Timber A SG Clear: U-value 5.4, SHGC 0.56

Window schedule

  • Kitchen/Living1, window ATB-006-03 B: 2,100 × 1,800 mm facing N
  • Kitchen/Living1, window ATB-006-03 B: 1,200 × 1,800 mm facing E
  • Kitchen/Living1, window ATB-006-03 B: 450 × 1,800 mm facing E
  • Kitchen/Living1, window CMP-006-03 I: 2,100 × 820 mm facing S
  • Kitchen/Living1, window ATB-006-03 B: 1,800 × 2,400 mm facing W
  • Laundry, window TIM-001-01 W: 1,000 × 820 mm facing E
  • Bath, window CMP-006-03 I: 900 × 1,200 mm facing E
  • Bed 3, window CMP-006-03 I: 1,200 × 1,800 mm facing E
  • Bed 3, window CMP-006-03 I: 1,800 × 900 mm facing S
  • Bed 3, window CMP-006-03 I: 1,800 × 900 mm facing S
  • Master, window CMP-006-03 I: 1,800 × 900 mm facing S
  • Master, window CMP-006-03 I: 1,800 × 900 mm facing S
  • Ens, window CMP-006-03 I: 600 × 1,200 mm facing W
  • Bed 2, window CMP-006-03 I: 1,200 × 1,800 mm facing W

Certificate 0012751160-02, issued 23 February 2026, from the council's DA documents. Verify this certificate

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