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7 Tiral Way Crangan Bay NSW 2259

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BASIX certificate and NatHERS rating

This home has a NatHERS rating of 7.1 stars out of 10. Its BASIX certificate commits it to a 3,000 litre rainwater tank. Its NatHERS certificate lists insulation in the external walls, ceiling and floor. It beat its BASIX water target, scoring 52 against 40.

Key features

Windows
15 windows and glazed doors: Aluminium Sliding Window SG 3Clr; Aluminium Sliding Door SG 4EA; Aluminium Fixed Window SG 4EA and 3 more types
Wall insulation
R2.5
Roof and ceiling insulation
Ceiling R7, R2.5, roof Corrugated Iron Timber Frame 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
3-phase airconditioning (living area and bedroom)

BASIX certificate

Energy score
70 (target 70)
Water score
52 (target 40)
Thermal performance
Pass
Materials score
-40
Heating load
27 MJ/m² a year
Cooling load
22 MJ/m² a year
Bedrooms
4
Conditioned floor area
142.7 m²
Unconditioned floor area
11.4 m²
Site area
457 m²
Roof area
259 m²
Garden area
50 m²
Climate zone
NatHERS climate zone 15
Hot water
Gas instantaneous with a performance of 6 stars
Rainwater tank
3,000 litres
Fixtures
Showerheads 3 star, toilets 3 star, kitchen taps 4 star, basin taps 3 star
LED lighting
Yes
Cooktop
Gas
Clothes line
Yes
Maximum glazing
aluminium frames 32.5 m², single glazing 32.5 m²

Heating

  • Living area: 3-phase airconditioning; Energy rating: EER 3.0 - 3.5
  • Bedroom: 3-phase airconditioning; Energy rating: EER 3.0 - 3.5

Cooling

  • Living area: 3-phase airconditioning; Energy rating: EER 3.0 - 3.5
  • Bedroom: 3-phase airconditioning; Energy rating: EER 3.0 - 3.5

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: brick veneer; frame: timber - H2 treated softwood (no added insulation)
  • External wall: brick veneer; frame: timber - H2 treated softwood (fibreglass batts or roll)
  • External wall: framed (fibre cement sheet or boards); 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.)

Certificate 1842633S, issued 20 April 2026, from the council's DA documents.

NatHERS certificate

Star rating
7.1 stars
Rated with
BERS Pro v5.2.6 (3.23)
Rated on
14 Apr 2026
Wall insulation
R2.5
Ceiling insulation
R7, R2.5
Floor insulation
R2.5
LED downlights
41
Living room glazing by direction
N 6.5 m², E 10.4 m²
All glazing by direction
N 10.1 m², E 11.5 m², S 6.4 m², W 4.5 m²

Roof

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

Window types

  • BRD-001-001 Aluminium Sliding Window SG 3Clr: U-value 6.4, SHGC 0.76
  • BRD-033-003 Aluminium Sliding Door SG 4EA: U-value 4.4, SHGC 0.62
  • BRD-041-002 Aluminium Fixed Window SG 4EA: U-value 4.3, SHGC 0.62
  • BRD-041-001 Aluminium Fixed Window SG 4Clr: U-value 6.2, SHGC 0.74
  • BRD-024-001 Aluminium Double Hung Window SG 3Clr: U-value 6.3, SHGC 0.75
  • BRD-024-002 Aluminium Double Hung Window SG 4Sn: U-value 4.9, SHGC 0.53

Window schedule

  • Laundry, window BRD-001-001: 600 × 1,200 mm facing N
  • WIP, window BRD-001-001: 600 × 1,200 mm facing N
  • Kitchen/Living, window BRD-033-003: 2,400 × 2,400 mm facing E
  • Kitchen/Living, window BRD-033-003: 2,400 × 2,700 mm facing N
  • Kitchen/Living, window BRD-041-002: 1,200 × 2,400 mm facing E
  • Kitchen/Living, window BRD-041-002: 745 × 2,400 mm facing E
  • Bed 1, window BRD-041-001: 1,800 × 1,200 mm facing N
  • Bed 1, window BRD-001-001: 600 × 2,400 mm facing S
  • Ensuite, window BRD-001-001: 900 × 1,200 mm facing E
  • Bed 4, window BRD-001-001: 1,200 × 1,600 mm facing S
  • Bath, window BRD-001-001: 600 × 1,800 mm facing S
  • Bed 3, window BRD-001-001: 1,200 × 1,600 mm facing S
  • Bed 2, window BRD-024-001: 1,500 × 1,800 mm facing W
  • Theatre, window BRD-024-002: 1,500 × 600 mm facing W
  • Theatre, window BRD-024-002: 1,500 × 600 mm facing W

Certificate 0012914180, issued 14 April 2026, from the council's DA documents. Verify this certificate

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