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67 Grays Lane Cranebrook NSW 2749

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BASIX certificate and NatHERS rating

This home has a NatHERS rating of 7 stars out of 10. Its BASIX certificate commits it to 4 kW of solar panels and a 4,000 litre rainwater tank. Its NatHERS certificate lists insulation in the external walls, ceiling and floor. It beat its BASIX energy target, scoring 73 against 70.

Key features

Windows
34 windows and glazed doors: Aluminium Sliding Window SG 3Clr; Aluminium Fixed Window SG 6.38CPNtl; Aluminium Hinged Door SG 6.38CPNtl and 4 more types
Wall insulation
R2.5
Roof and ceiling insulation
Ceiling R2.5, R5, roof Waterproofing Membrane No Insulation, Only an Air Gap, medium colour
Hot water
Gas instantaneous with a performance of 5.5 stars
Air conditioning and heating
3-phase airconditioning (living area and bedroom)

Built by Msa Construction.

BASIX certificate

Energy score
73 (target 70)
Water score
40 (target 40)
Materials score
-100
Heating load
31 MJ/m² a year
Cooling load
29 MJ/m² a year
Bedrooms
6
Conditioned floor area
596 m²
Unconditioned floor area
15.8 m²
Site area
3,883 m²
Roof area
524 m²
Garden area
400 m²
Climate zone
NatHERS climate zone 28
Hot water
Gas instantaneous with a performance of 5.5 stars
Solar panels
4 kW
Rainwater tank
4,000 litres
Fixtures
Showerheads 4 star, toilets 4 star, kitchen taps 5 star, basin taps 5 star
LED lighting
Yes
Cooktop
Gas
Clothes line
Yes
Maximum glazing
aluminium frames 147 m², single glazing 121.2 m², double glazing 26 m²

Heating

  • Living area: 3-phase airconditioning; Energy rating: EER 2.5 - 3.0
  • Bedroom: 3-phase airconditioning; Energy rating: EER 2.5 - 3.0

Cooling

  • Living area: 3-phase airconditioning; Energy rating: EER 2.5 - 3.0
  • Bedroom: 3-phase airconditioning; Energy rating: EER 2.5 - 3.0

Construction and insulation

  • Floor: concrete slab on ground, waffle pod slab (no added insulation)
  • Floor: above habitable rooms or mezzanine, AAC panel (75 mm); frame: timber - H2 treated softwood (no added insulation)
  • Floor: suspended floor above garage, AAC panel (75 mm); frame: timber - H2 treated softwood (fibreglass batts or roll)
  • Garage floor: concrete slab on ground, waffle pod slab (no added insulation)
  • External wall: brick veneer; frame: timber - H2 treated softwood. all external walls fibreglass batts or roll
  • External garage wall: brick veneer; frame: timber - H2 treated softwood (fibreglass batts or roll)
  • 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 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 1853950S_04, issued 10 July 2026, from the council's DA documents.

NatHERS certificate

Star rating
7 stars
Rated with
BERS Pro v5.2.6 (3.23)
Rated on
10 Jul 2026
Wall insulation
R2.5
Ceiling insulation
R2.5, R5
Floor insulation
R2.5
LED downlights
237
Living room glazing by direction
N 14.6 m², E 10.3 m², S 9.8 m²
All glazing by direction
N 42.7 m², E 45.2 m², S 44.1 m², W 15.1 m²

Roof

  • Waterproofing Membrane No Insulation, Only an Air Gap, medium colour
  • Corrugated Iron Timber Frame Bulk, Reflective Side Down, No Air Gap Above R1.8, dark colour

Window types

  • AWS-001-001 Aluminium Sliding Window SG 3Clr: U-value 6.4, SHGC 0.73
  • AWS-066-002 Aluminium Fixed Window SG 6.38CPNtl: U-value 3.9, SHGC 0.47
  • AWS-018-006 Aluminium Hinged Door SG 6.38CPNtl: U-value 4.4, SHGC 0.35
  • AWS-001-005 Aluminium Sliding Window SG 6.38CPNtl: U-value 4.6, SHGC 0.45
  • AWS-011-006 Aluminium Sliding Door SG 6.38CPNtl: U-value 4.4, SHGC 0.45
  • AWS-013-008 Aluminium Sliding Door DG 4Sn/10Ar/4Clr: U-value 3.4, SHGC 0.44
  • AWS-003-010 Aluminium Sliding Window DG 4Sn/10Ar/4Clr: U-value 3.6, SHGC 0.42

Window schedule

  • Garage-GF, window AWS-001-001: 800 × 2,700 mm facing W
  • Formal Liv-GF, window AWS-066-002: 2,700 × 1,800 mm facing S
  • Formal Liv-GF, window AWS-018-006: 2,700 × 1,840 mm facing S
  • Puja-GF, window AWS-001-005: 800 × 2,700 mm facing E
  • Puja-GF, window AWS-066-002: 2,700 × 1,800 mm facing S
  • Bath-GF, window AWS-001-005: 800 × 2,100 mm facing W
  • Ldry-GF, window AWS-001-005: 1,000 × 1,400 mm facing W
  • Bed 2-GF, window AWS-011-006: 2,700 × 2,700 mm facing N
  • Ens/Bed 2-GF, window AWS-001-005: 800 × 2,100 mm facing W
  • Ktch/Liv/Din-GF, window AWS-013-008: 2,700 × 2,700 mm facing N
  • Ktch/Liv/Din-GF, window AWS-013-008: 2,700 × 2,700 mm facing N
  • Ktch/Liv/Din-GF, window AWS-003-010: 1,500 × 2,700 mm facing E
  • Ktch/Liv/Din-GF, window AWS-066-002: 3,100 × 1,000 mm facing E
  • Ktch/Liv/Din-GF, window AWS-066-002: 3,100 × 1,000 mm facing E
  • Bed 1-GF, window AWS-001-005: 2,700 × 2,700 mm facing E
  • Ens/Bed 1-GF, window AWS-001-005: 800 × 1,800 mm facing E
  • Void/Stairs-FF, window AWS-066-002: 2,500 × 2,700 mm facing N
  • Void/Stairs-FF, window AWS-066-002: 2,500 × 2,700 mm facing N
  • Void/Stairs-FF, window AWS-066-002: 3,600 × 1,000 mm facing E
  • Void/Stairs-FF, window AWS-066-002: 3,600 × 1,000 mm facing E
  • Void/Entry-FF, window AWS-066-002: 2,700 × 1,800 mm facing S
  • Void/Entry-FF, window AWS-066-002: 2,700 × 1,880 mm facing S
  • Home Office-FF, window AWS-011-006: 2,700 × 2,700 mm facing S
  • Bed 4-FF, window AWS-001-005: 2,700 × 2,700 mm facing E
  • Ens/Bed 4-FF, window AWS-001-005: 800 × 1,400 mm facing E
  • Bed 3-FF, window AWS-001-005: 2,700 × 2,700 mm facing E
  • Ens/Bed 3-FF, window AWS-001-005: 800 × 1,400 mm facing E
  • Strg/Bed 3-FF, window AWS-066-002: 2,700 × 1,800 mm facing S
  • Bed 5-FF, window AWS-013-008: 2,700 × 2,700 mm facing N
  • Ens/Bed 5-FF, window AWS-001-005: 700 × 2,100 mm facing W
  • Bed 6-FF, window AWS-011-006: 2,700 × 1,600 mm facing S
  • Bed 6-FF, window AWS-011-006: 2,700 × 1,100 mm facing S
  • Ens/Bed 6-FF, window AWS-001-005: 700 × 2,700 mm facing W
  • Kids Play-FF, window AWS-001-005: 2,700 × 1,800 mm facing W

Certificate 0013117452-02, issued 10 July 2026, from the council's DA documents. Verify this certificate

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