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40 Governors Parade Windradyne NSW 2795

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BASIX certificate and NatHERS rating

This home has a NatHERS rating of 7.2 stars out of 10. Its BASIX certificate commits it to a 2,500 litre rainwater tank. Its NatHERS certificate lists insulation in the external walls, ceiling and floor. It beat its BASIX energy target, scoring 66 against 61.

Key features

Windows
27 windows and glazed doors: Aluminium A SG Clear; Composite A DG Air Fill High Solar Gain low-E -; Al Thermally Broken B DG Argon Fill High Solar and 1 more types
Wall insulation
R2.7
Roof and ceiling insulation
Ceiling R2.5, R6, roof Corrugated Iron Timber Frame Foil, Gap Above, Reflective Side Down, Anti-glare Up, medium colour
Hot water
Electric boosted solar with a performance of 26 to 30 STCs or better
Air conditioning and heating
1-phase airconditioning, ducted (living area and bedroom)

BASIX certificate

Energy score
66 (target 61)
Water score
40 (target 40)
Thermal performance
Pass
Materials score
-68
Heating load
137 MJ/m² a year
Cooling load
9 MJ/m² a year
Bedrooms
4
Conditioned floor area
230 m²
Unconditioned floor area
17.5 m²
Site area
789 m²
Roof area
380 m²
Garden area
317 m²
Climate zone
NatHERS climate zone 65
Hot water
Electric boosted solar with a performance of 26 to 30 STCs or better
Rainwater tank
2,500 litres
Fixtures
Showerheads 4 star, toilets 6 star, kitchen taps 6 star, basin taps 6 star
LED lighting
Yes
Clothes line
Yes
Maximum glazing
aluminium frames 54.3 m², timber frames 1.3 m², single glazing 4 m², double glazing 51.7 m²

Heating

  • Living area: 1-phase airconditioning - ducted; Energy rating: 4 star (cold zone)
  • Bedroom: 1-phase airconditioning - ducted; Energy rating: 4 star (cold zone)

Cooling

  • Living area: 1-phase airconditioning - ducted; Energy rating: 4 star (cold zone)
  • Bedroom: 1-phase airconditioning - ducted; Energy rating: 4 star (cold zone)

Construction and insulation

  • Floor: concrete slab on ground, conventional slab (polystyrene)
  • Floor: suspended floor above garage, concrete - suspended; frame: no frame (foil-foam composite board)
  • Garage floor: concrete slab on ground (no added insulation)
  • External wall: brick veneer; frame: timber - H2 treated softwood (fibreglass batts or roll+ foil/sarking)
  • External wall: framed (fibre cement sheet or boards); frame: timber - H2 treated softwood (fibreglass batts or roll+ foil/sarking)
  • External garage wall: brick veneer; frame: timber - H2 treated softwood (fibreglass batts or roll+ foil/sarking)
  • Internal wall shared with garage: plasterboard; frame: timber - H2 treated softwood (fibreglass batts or roll)
  • Internal wall: plasterboard; frame: timber - H2 treated softwood (no added insulation)
  • Ceiling and roof: flat ceiling / pitched roof, framed - metal roof, timber - H2 treated softwood (ceiling: fibreglass batts or roll; roof: foil/sarking.)
  • Ceiling and roof: raked ceiling / pitched or skillion roof, framed - metal roof, laminated veneer lumber (LVL) (ceiling: fibreglass batts or roll; roof: foil/sarking.)

Certificate 1833637S, issued 18 February 2026, from the council's DA documents.

NatHERS certificate

Star rating
7.2 stars
Rated with
BERS Pro v5.2.6 (3.23)
Rated on
09 Dec 2025
Wall insulation
R2.7
Ceiling insulation
R2.5, R6
Floor insulation
R2.7, R1.1, R2.5
Living room glazing by direction
N 5.1 m², E 8.8 m², S 7.2 m²
All glazing by direction
N 13.3 m², E 11.6 m², S 18.5 m², W 11.2 m²

Roof

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

Window types

  • ALM-001-01 A Aluminium A SG Clear: U-value 6.7, SHGC 0.57
  • CMP-003-03 I Composite A DG Air Fill High Solar Gain low-E -: U-value 3.4, SHGC 0.47
  • ATB-006-03 B Al Thermally Broken B DG Argon Fill High Solar: U-value 2.9, SHGC 0.51
  • TIM-004-01 W Timber B DG Air Fill Clear-Clear: U-value 3, SHGC 0.56

Window schedule

  • Garage 1, window ALM-001-01 A: 600 × 1,000 mm facing S
  • Garage 1, window ALM-001-01 A: 600 × 1,000 mm facing S
  • Garage 2, window ALM-001-01 A: 1,400 × 2,000 mm facing E
  • Kitchen/Living1, window CMP-003-03 I: 1,900 × 1,900 mm facing S
  • Kitchen/Living1, window CMP-003-03 I: 1,900 × 1,900 mm facing S
  • Kitchen/Living1, window CMP-003-03 I: 1,200 × 1,000 mm facing N
  • Kitchen/Living1, window CMP-003-03 I: 1,200 × 1,000 mm facing N
  • Kitchen/Living1, window CMP-003-03 I: 1,200 × 1,000 mm facing N
  • Kitchen/Living1, window ATB-006-03 B: 2,100 × 4,200 mm facing E
  • Kitchen/Living1, window CMP-003-03 I: 500 × 1,000 mm facing N
  • Kitchen/Living1, window CMP-003-03 I: 500 × 1,000 mm facing N
  • Kitchen/Living1, window CMP-003-03 I: 500 × 1,000 mm facing N
  • Bedroom 1, window CMP-003-03 I: 1,900 × 1,000 mm facing S
  • Bedroom 1, window CMP-003-03 I: 1,900 × 1,000 mm facing S
  • Bedroom 1, window CMP-003-03 I: 1,900 × 1,100 mm facing W
  • Bedroom 1, window CMP-003-03 I: 1,900 × 1,100 mm facing W
  • Night Time 1, window CMP-003-03 I: 1,400 × 1,000 mm facing S
  • Bedroom 2, window CMP-003-03 I: 1,400 × 2,000 mm facing W
  • Bedroom 3, window CMP-003-03 I: 1,900 × 1,100 mm facing W
  • Bedroom 3, window CMP-003-03 I: 1,900 × 1,100 mm facing W
  • Bedroom 4, window CMP-003-03 I: 1,900 × 2,200 mm facing N
  • Unconditioned 1, window CMP-003-03 I: 1,500 × 1,000 mm facing N
  • Unconditioned 2, window CMP-003-03 I: 2,100 × 970 mm facing N
  • Day Time 1, window TIM-004-01 W: 2,100 × 300 mm facing S
  • Day Time 1, window TIM-004-01 W: 2,100 × 300 mm facing S
  • Day Time 2, window CMP-003-03 I: 500 × 1,000 mm facing N
  • Day Time 4, window CMP-003-03 I: 1,900 × 1,900 mm facing S

Certificate 0012551628-01, issued 9 December 2025, from the council's DA documents. Verify this certificate

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