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21 Yirang Street Crangan Bay NSW 2259

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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 a 3,000 litre rainwater tank. Its NatHERS certificate lists insulation in the external walls, ceiling and floor. It beat its BASIX energy and water targets, scoring 71 against 70 for energy and 45 against 40 for water.

Key features

Windows
21 windows and glazed doors: Aluminium Awning Window SG 6Pb; Aluminium Sliding Door DG 4Clr/10Ar/4ET; Aluminium Awning Window DG 4Clr/10Ar/4ET and 5 more types
Wall insulation
R2.5
Roof and ceiling insulation
Ceiling R5, 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 26 to 30 STCs or better
Air conditioning and heating
3-phase airconditioning (living area and bedroom)

BASIX certificate

Energy score
71 (target 70)
Water score
45 (target 40)
Thermal performance
Pass
Materials score
-69
Heating load
25 MJ/m² a year
Cooling load
25 MJ/m² a year
Bedrooms
5
Conditioned floor area
277.6 m²
Unconditioned floor area
25 m²
Site area
541 m²
Roof area
286 m²
Garden area
250 m²
Climate zone
NatHERS climate zone 15
Hot water
Electric heat pump with a performance of 26 to 30 STCs or better
Rainwater tank
3,000 litres
Fixtures
Showerheads 4 star, toilets 4 star, kitchen taps 3 star, basin taps 3 star
LED lighting
Yes
Cooktop
Induction
Clothes line
Yes
Maximum glazing
aluminium frames 50.8 m², single glazing 34.7 m², double glazing 16.1 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)
  • Floor: above habitable rooms or mezzanine, particle board; frame: light steel frame (fibreglass batts or roll)
  • Floor: suspended floor above garage, particle board; frame: light steel frame (fibreglass batts or roll)
  • Garage floor: concrete slab on ground, waffle pod slab (no added insulation)
  • External wall: brick veneer; frame: light steel frame (fibreglass batts or roll)
  • External wall: framed (fibre cement sheet or boards); frame: light steel frame (fibreglass batts or roll)
  • External garage wall: brick veneer; frame: light steel frame (fibreglass batts or roll)
  • 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 1835859S, issued 4 March 2026, from the council's DA documents.

NatHERS certificate

Star rating
7 stars
Rated with
BERS Pro v5.2.6 (3.23)
Rated on
04 Mar 2026
Wall insulation
R2.5
Ceiling insulation
R5
Floor insulation
R2.5, R2, R5
LED downlights
26
Living room glazing by direction
E 11.4 m², S 7.1 m²
All glazing by direction
N 9.3 m², E 16.5 m², S 10.4 m², W 14.6 m²

Roof

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

Window types

  • AWS-126-014 Aluminium Awning Window SG 6Pb: U-value 4.2, SHGC 0.56
  • SSW-029-002 Aluminium Sliding Door DG 4Clr/10Ar/4ET: U-value 2.6, SHGC 0.63
  • SSW-026-301 Aluminium Awning Window DG 4Clr/10Ar/4ET: U-value 2.7, SHGC 0.55
  • SSW-030-001 Aluminium Fixed Window DG 4Clr/10Ar/4ET: U-value 2.4, SHGC 0.68
  • SSW-028-001 Aluminium Sliding Door SG 4Clr: U-value 5.9, SHGC 0.76
  • SSW-025-305 Aluminium Awning Window SG 4Clr: U-value 5.7, SHGC 0.67
  • GJA-030-011 Aluminium Fixed Window SG 6EA: U-value 4.6, SHGC 0.61
  • SSW-001-005 Aluminium Sliding Window SG 4ET: U-value 4.5, SHGC 0.62

Window schedule

  • Living, window AWS-126-014: 1,000 × 2,400 mm facing E
  • Kitchen/Living, window SSW-029-002: 2,100 × 4,300 mm facing E
  • Kitchen/Living, window SSW-026-301: 1,800 × 900 mm facing S
  • Kitchen/Living, window SSW-026-301: 1,800 × 2,100 mm facing S
  • Kitchen/Living, window SSW-030-001: 700 × 2,400 mm facing S
  • LDR, window SSW-028-001: 2,100 × 1,500 mm facing N
  • WC 2, window SSW-025-305: 1,000 × 600 mm facing N
  • ENS 2, window SSW-025-305: 1,000 × 600 mm facing N
  • Guest, window AWS-126-014: 1,800 × 600 mm facing N
  • Guest, window AWS-126-014: 1,800 × 600 mm facing N
  • Retreat, window AWS-126-014: 1,800 × 2,400 mm facing W
  • Ensuite, window SSW-025-305: 1,800 × 1,200 mm facing E
  • Ensuite, window SSW-025-305: 1,000 × 600 mm facing N
  • Master Bed, window AWS-126-014: 1,200 × 2,400 mm facing E
  • Master Bed, window GJA-030-011: 900 × 900 mm facing N
  • Bedroom 2, window SSW-001-005: 500 × 3,000 mm facing S
  • Bedroom 4, window AWS-126-014: 500 × 2,700 mm facing N
  • Activity, window AWS-126-014: 1,800 × 2,400 mm facing W
  • Bath, window SSW-025-305: 1,200 × 1,500 mm facing S
  • Bedroom 3, window AWS-126-014: 1,800 × 1,800 mm facing W
  • VOID, window GJA-030-011: 1,800 × 1,500 mm facing W

Certificate 0012821294, issued 4 March 2026, from the council's DA documents. Verify this certificate

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