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3A Greens Road Greenwell Point 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 3.77 kW of solar panels and a 3,000 litre rainwater tank. Its NatHERS certificate lists insulation in the external walls, ceiling and floor. It beat its BASIX energy target, scoring 91 against 69.

Key features

Windows
16 windows and glazed doors: Aluminium Sliding Door SG 4Pb; Aluminium BiFold Window SG 4Pb; Aluminium Sliding Window SG 4Pb and 3 more types
Wall insulation
R2.5
Roof and ceiling insulation
Ceiling R5, R3, 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
1-phase airconditioning, ducted (living area and bedroom)

Built by South Coast Building & Construction.

BASIX certificate

Energy score
91 (target 69)
Water score
40 (target 40)
Materials score
-44
Heating load
47 MJ/m² a year
Cooling load
13 MJ/m² a year
Bedrooms
3
Conditioned floor area
144.6 m²
Unconditioned floor area
11.2 m²
Site area
549 m²
Roof area
294 m²
Garden area
266 m²
Climate zone
NatHERS climate zone 18
Hot water
Gas instantaneous with a performance of 6 stars
Solar panels
3.77 kW
Rainwater tank
3,000 litres
Fixtures
Showerheads 5 star, toilets 4 star, kitchen taps 4 star, basin taps 4 star
LED lighting
Yes
Cooktop
Gas
Clothes line
Yes
Maximum glazing
aluminium frames 32.2 m², single glazing 32.2 m²

Heating

  • Living area: 1-phase airconditioning - ducted; Energy rating: EER 3.0 - 3.5
  • Bedroom: 1-phase airconditioning - ducted; Energy rating: EER 3.0 - 3.5

Cooling

  • Living area: 1-phase airconditioning - ducted; Energy rating: EER 3.0 - 3.5
  • Bedroom: 1-phase airconditioning - ducted; 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. all external walls fibreglass batts or roll
  • External garage wall: brick veneer; frame: timber - H2 treated softwood (no added insulation)
  • Internal wall: 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 backed blanket.)

Certificate 1846824S, issued 18 May 2026, from the council's DA documents.

NatHERS certificate

Star rating
7 stars
Rated with
BERS Pro v5.2.6 (3.23)
Rated on
18 May 2026
Wall insulation
R2.5
Ceiling insulation
R5, R3
Floor insulation
R2.5, R2
Living room glazing by direction
N 9.1 m², E 4.4 m², S 3.7 m²
All glazing by direction
N 13.6 m², E 8.8 m², S 3.7 m², W 6.1 m²

Roof

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

Window types

  • STG-005-015 Aluminium Sliding Door SG 4Pb: U-value 4.6, SHGC 0.66
  • STG-058-005 Aluminium BiFold Window SG 4Pb: U-value 5.2, SHGC 0.45
  • STG-007-016 Aluminium Sliding Window SG 4Pb: U-value 4.7, SHGC 0.62
  • STG-005-002 Aluminium Sliding Door SG 5Clr: U-value 6.2, SHGC 0.72
  • STG-007-003 Aluminium Sliding Window SG 5Clr: U-value 6.3, SHGC 0.71
  • STG-002-019 Aluminium Awning Window SG 4Pb: U-value 5, SHGC 0.56

Window schedule

  • Kitchen/Family/, window STG-005-015: 2,100 × 3,600 mm facing N
  • Kitchen/Family/, window STG-058-005: 1,000 × 1,500 mm facing N
  • Kitchen/Family/, window STG-007-016: 1,800 × 610 mm facing E
  • Kitchen/Family/, window STG-007-016: 1,800 × 610 mm facing E
  • Kitchen/Family/, window STG-007-016: 1,200 × 1,810 mm facing E
  • WIP Area, window STG-007-016: 1,027 × 1,300 mm facing N
  • Laundry, window STG-005-002: 2,100 × 1,500 mm facing N
  • Bath, window STG-007-003: 1,200 × 1,450 mm facing W
  • Bedroom 1/WIR, window STG-002-019: 1,800 × 610 mm facing E
  • Bedroom 1/WIR, window STG-002-019: 1,800 × 610 mm facing E
  • Ensuite, window STG-007-003: 1,800 × 610 mm facing E
  • Bedroom 2, window STG-007-016: 1,200 × 1,810 mm facing W
  • Bedroom 3, window STG-007-016: 1,200 × 1,810 mm facing W
  • Lounge, window STG-002-019: 1,800 × 1,450 mm facing S
  • Lounge, window STG-002-019: 1,800 × 610 mm facing S
  • WIR, window STG-002-019: 1,800 × 610 mm facing E

Certificate 0012991899, issued 18 May 2026, from the council's DA documents. Verify this certificate

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