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16 Sunflower Street Woongarrah NSW 2259

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BASIX certificate and NatHERS rating

This home has a NatHERS rating of 7.4 stars out of 10. Its BASIX certificate commits it to 4.7 kW of solar panels and a 2,000 litre rainwater tank. Its NatHERS certificate lists insulation in the external walls, ceiling and floor. It beat its BASIX energy target, scoring 91 against 70.

Key features

Windows
12 windows and glazed doors: 100 SERIES - ALUMINIUM SLIDING WINDOW SG 3Clr; 100 Series Awning Window SG 3Clr; 100 SERIES - ALUMINIUM SLIDING DOOR SG 3Clr
Wall insulation
R2.0
Roof and ceiling insulation
Ceiling R3.0, R2.5, roof Cont:Attic-Continuous 0.0, dark colour
Hot water
Gas instantaneous with a performance of 6 stars
Air conditioning and heating
1-phase airconditioning, ducted (living area and bedroom)

BASIX certificate

Energy score
91 (target 70)
Water score
40 (target 40)
Materials score
-32
Heating load
28 MJ/m² a year
Cooling load
17 MJ/m² a year
Bedrooms
4
Conditioned floor area
122.4 m²
Unconditioned floor area
32.6 m²
Site area
389 m²
Roof area
208 m²
Garden area
157 m²
Climate zone
NatHERS climate zone 15
Hot water
Gas instantaneous with a performance of 6 stars
Solar panels
4.7 kW
Rainwater tank
2,000 litres
Fixtures
Showerheads 4 star, toilets 3 star, kitchen taps 3 star, basin taps 3 star
LED lighting
Yes
Cooktop
Gas
Clothes line
Yes
Maximum glazing
aluminium frames 23 m², single glazing 23 m²

Heating

  • Living area: 1-phase airconditioning - ducted; Energy rating: EER 3.5 - 4.0
  • Bedroom: 1-phase airconditioning - ducted; Energy rating: EER 3.5 - 4.0

Cooling

  • Living area: 1-phase airconditioning - ducted; Energy rating: EER 3.5 - 4.0
  • Bedroom: 1-phase airconditioning - ducted; Energy rating: EER 3.5 - 4.0

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)
  • External garage wall: cavity brick; frame: no frame (no added insulation)
  • Internal wall: plasterboard; frame: timber - H2 treated softwood (no added insulation)
  • Ceiling and roof: flat ceiling / pitched roof, framed - concrete tiles , timber - H2 treated softwood (ceiling: fibreglass batts or roll; roof: foil/sarking.)

Certificate 1853929S, issued 30 June 2026, from the council's DA documents.

NatHERS certificate

Star rating
7.4 stars
Rated with
FirstRate5: 5.5.5a (3.22)
Rated on
23 Jun 2026
Wall insulation
R2.0
Ceiling insulation
R3.0, R2.5
Floor insulation
R2.0
Living room glazing by direction
SW 3.3 m², NW 5 m²
All glazing by direction
NE 4 m², SE 7.8 m², SW 5.1 m², NW 6.1 m²

Roof

  • Cont:Attic-Continuous 0.0, dark colour

Window types

  • SSW-001-01 A 100 SERIES - ALUMINIUM SLIDING WINDOW SG 3Clr: U-value 6.35, SHGC 0.75
  • SSW-010-07 A 100 Series Awning Window SG 3Clr: U-value 6.26, SHGC 0.66
  • SSW-012-10 A 100 SERIES - ALUMINIUM SLIDING DOOR SG 3Clr: U-value 6.14, SHGC 0.76

Window schedule

  • Principal Suite, window SSW-001-01 A: 1,200 × 1,810 mm facing SE
  • Bedroom 2, window SSW-010-07 A: 2,060 × 970 mm facing NE
  • Bedroom 2, window SSW-010-07 A: 2,060 × 970 mm facing NE
  • Bedroom 2, window SSW-010-07 A: 600 × 1,810 mm facing NW
  • Bedroom 3, window SSW-001-01 A: 1,200 × 1,570 mm facing SE
  • Bedroom 4, window SSW-001-01 A: 1,200 × 1,570 mm facing SE
  • Theatre, window SSW-001-01 A: 600 × 2,170 mm facing SW
  • Ensuite, window SSW-010-07 A: 600 × 850 mm facing SW
  • Kitchen/Family/-Dining, window SSW-010-07 A: 2,060 × 1,210 mm facing NW
  • Kitchen/Family/-Dining, window SSW-010-07 A: 2,060 × 1,210 mm facing NW
  • Kitchen/Family/-Dining, window SSW-012-10 A: 2,100 × 1,570 mm facing SW
  • Garage, window SSW-001-01 A: 1,200 × 1,570 mm facing SE

Certificate KBPCCMCAEO, issued 23 June 2026, from the council's DA documents. Verify this certificate

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