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22 Corkwood Crescent Suffolk Park NSW 2481

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BASIX certificate and NatHERS rating

This home has a NatHERS rating of 5.2 stars out of 10. Its BASIX certificate commits it to 2 kW of solar panels and a 2,000 litre rainwater tank. It beat its BASIX energy target, scoring 90 against 68.

Key features

Windows
15 windows and glazed doors: Aluminium A SG High Solar Gain Low-E; Aluminium B SG High Solar Gain Low-E
Wall insulation
All external walls fibreglass batts or roll
Roof and ceiling insulation
Roof Added insulation absorptance Roof Colour ATTIC-METAL-01: Pitched / Attic Metal Roof (Roofspace) & Flat PB Ceiling 1.30, dark colour
Hot water
Electric heat pump 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
90 (target 68)
Water score
40 (target 40)
Thermal performance
Pass
Materials score
-1
Heating load
12 MJ/m² a year
Cooling load
52 MJ/m² a year
Bedrooms
3
Conditioned floor area
136.7 m²
Unconditioned floor area
10.8 m²
Site area
548 m²
Roof area
175 m²
Garden area
192 m²
Climate zone
NatHERS climate zone 10
Hot water
Electric heat pump with a performance of 26 to 30 STCs or better
Solar panels
2 kW
Rainwater tank
2,000 litres
Fixtures
Showerheads 4 star, toilets 4 star, kitchen taps 4 star, basin taps 4 star
LED lighting
Yes
Clothes line
Yes
Maximum glazing
aluminium frames 66.4 m², single glazing 66.4 m²

Heating

  • Living area: 1-phase airconditioning - ducted; Energy rating: 2.5 star (hot zone)
  • Bedroom: 1-phase airconditioning - ducted; Energy rating: 2.5 star (hot zone)

Cooling

  • Living area: 1-phase airconditioning - ducted; Energy rating: 2.5 star (hot zone)
  • Bedroom: 1-phase airconditioning - ducted; Energy rating: 2.5 star (hot zone)

Construction and insulation

  • Floor: concrete slab on ground, conventional slab (no added insulation)
  • Garage floor: concrete slab on ground (fibreglass batts or roll)
  • External wall: framed (fibre cement sheet or boards); frame: timber - untreated softwood. all external walls fibreglass batts or roll
  • External garage wall: framed (fibre cement sheet or boards); frame: please select (not specified)
  • Internal wall: plasterboard; frame: timber - untreated softwood (no added insulation)
  • Internal wall: plasterboard; frame: timber - untreated softwood (fibreglass batts or roll)
  • Ceiling and roof: flat ceiling / pitched roof, framed - metal roof, timber - untreated softwood (ceiling: fibreglass batts or roll; roof: foil/sarking.)
  • Ceiling and roof: raked ceiling / pitched or skillion roof, framed - metal roof, timber - untreated softwood (ceiling: fibreglass batts or roll; roof: foil/sarking.)

Certificate 1831537S, issued 4 February 2026, from the council's DA documents.

NatHERS certificate

Star rating
5.2 stars
Rated with
Hero 4.1
Rated on
02 Mar 2026
Living room glazing by direction
N 12.8 m², E 11.3 m², S 14.4 m²
All glazing by direction
N 13.7 m², E 19.8 m², S 25.7 m², W 7.3 m²

Roof

  • Added insulation absorptance Roof Colour ATTIC-METAL-01: Pitched / Attic Metal Roof (Roofspace) & Flat PB Ceiling 1.30, dark colour
  • (Woodland Grey) FLAT-01: Flat Framed / Skillion Metal Roof & Flat PB Ceiling 1.30, dark colour

Window types

  • ALM-001-03 A Aluminium A SG High Solar Gain Low-E: U-value 5.4, SHGC 0.49
  • ALM-002-03 A Aluminium B SG High Solar Gain Low-E: U-value 5.4, SHGC 0.58

Window schedule

  • BATHROOM, window ALM-002-03 A: 1,350 × 3,080 mm facing E
  • BEDROOM 1, window ALM-002-03 A: 1,950 × 980 mm facing S
  • BEDROOM 1, window ALM-002-03 A: 2,400 × 3,410 mm facing S
  • BEDROOM 1, window ALM-002-03 A: 1,950 × 900 mm facing W
  • BEDROOM 2, window ALM-002-03 A: 1,950 × 900 mm facing W
  • BEDROOM 3, window ALM-002-03 A: 1,950 × 900 mm facing W
  • ENSUITE, window ALM-002-03 A: 1,950 × 600 mm facing S
  • ENTRY/HALLWAY, window ALM-002-03 A: 2,400 × 900 mm facing E
  • ENTRY/HALLWAY, window ALM-002-03 A: 2,400 × 900 mm facing E
  • KITCHEN/LIVING/DINING, window ALM-002-03 A: 1,950 × 2,277 mm facing N
  • KITCHEN/LIVING/DINING, window ALM-002-03 A: 2,400 × 3,500 mm facing N
  • KITCHEN/LIVING/DINING, window ALM-002-03 A: 2,400 × 4,710 mm facing E
  • KITCHEN/LIVING/DINING, window ALM-002-03 A: 2,400 × 6,005 mm facing S
  • OFFICE, window ALM-001-03 A: 2,400 × 860 mm facing W
  • WC, window ALM-002-03 A: 1,350 × 600 mm facing N

Certificate HR-QW6N7R-02, issued 2 March 2026, from the council's DA documents. Verify this certificate

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