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9 Birrong Avenue Belrose NSW 2085

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 3.8 kW of solar panels and a 6,360 litre rainwater tank. Its NatHERS certificate lists insulation in the external walls, ceiling and floor. It beat its BASIX energy target, scoring 90 against 72.

Key features

Windows
23 windows and glazed doors
Wall insulation
R2.7
Roof and ceiling insulation
Ceiling R4, R7, roof Construction Insulation Reflective wrap* Roof Tiles Timber Frame Foil, Gap Above, Reflective Side Down, Anti-glare Up, medium 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
90 (target 72)
Water score
40 (target 40)
Materials score
-53
Heating load
15 MJ/m² a year
Cooling load
15 MJ/m² a year
Bedrooms
5
Conditioned floor area
261.4 m²
Unconditioned floor area
25 m²
Site area
697 m²
Roof area
269 m²
Garden area
400 m²
Climate zone
NatHERS climate zone 56
Hot water
Gas instantaneous with a performance of 6 stars
Solar panels
3.8 kW
Rainwater tank
6,360 litres
Fixtures
Showerheads 3 star, toilets 4 star, kitchen taps 4 star, basin taps 4 star
LED lighting
Yes
Cooktop
Gas
Clothes line
Yes
Maximum glazing
aluminium frames 57.9 m², single glazing 57.9 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)
  • Floor: suspended floor above open subfloor, particle board; frame: light steel frame (fibreglass batts or roll)
  • 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 - concrete tiles , timber - H2 treated softwood (ceiling: fibreglass batts or roll; roof: foil/sarking.)

Certificate 1856239S_02, issued 24 August 2026, from the council's DA documents.

NatHERS certificate

Star rating
7 stars
Rated with
BERS Pro v5.2.6 (3.23)
Rated on
15 Jul 2026
Wall insulation
R2.7
Ceiling insulation
R4, R7
Floor insulation
R2.7, R2, R4
LED downlights
58
Living room glazing by direction
NE 4.2 m², SE 15.4 m², SW 1.1 m²
All glazing by direction
NE 13.7 m², SE 19.3 m², SW 9.1 m², NW 15.8 m²

Roof

  • Construction Insulation Reflective wrap* Roof Tiles Timber Frame Foil, Gap Above, Reflective Side Down, Anti-glare Up, medium colour
  • Corrugated Iron Timber Frame Bulk, Reflective Side Down, No Air Gap Above R1.3, medium colour

Window schedule

  • Kitchen/Living1 WID-104-007-003: 2,400 × 3,200 mm facing SE
  • Kitchen/Living1 WID-104-007-003: 2,400 × 3,200 mm facing SE
  • Kitchen/Living1 WID-106-003-002: 950 × 1,200 mm facing SW
  • Kitchen/Living1 WID-102-005-002: 2,000 × 2,100 mm facing NE
  • Butlers/WIP WID-106-003-002: 715 × 1,810 mm facing NE
  • Laundry WID-102-001-003: 1,200 × 800 mm facing NE
  • Home Theatre WID-102-005-002: 600 × 2,600 mm facing SW
  • Powder WID-106-001-004: 300 × 1,570 mm facing SW
  • Study/Guest WID-101-019-003: 2,000 × 2,400 mm facing NW
  • Garage 1 WID-101-001-002: 2,000 × 2,400 mm facing NW
  • Bedroom 2 WID-102-001-003: 1,000 × 1,800 mm facing SE
  • Bedroom 2 WID-102-001-003: 1,200 × 1,500 mm facing NE
  • Bath WID-102-001-003: 1,200 × 1,500 mm facing NE
  • Bedroom 3 WID-102-001-003: 1,200 × 1,500 mm facing NE
  • Bedroom 4 WID-102-001-003: 1,200 × 1,500 mm facing NE
  • Bedroom 1 WID-102-005-002: 1,200 × 800 mm facing SW
  • Bedroom 1 WID-101-001-002: 1,200 × 1,800 mm facing NW
  • Bedroom 1 WID-101-001-002: 1,200 × 1,800 mm facing NW
  • Bedroom 1 WID-101-001-002: 800 × 2,400 mm facing NW
  • Ensuite WID-102-001-003: 1,200 × 1,800 mm facing SW
  • Leisure WID-102-005-002: 600 × 1,800 mm facing SE
  • Leisure WID-102-005-002: 600 × 1,800 mm facing SE
  • Leisure WID-106-003-002: 2,300 × 1,200 mm facing SW

Certificate 0013149349, issued 15 July 2026, from the council's DA documents. Verify this certificate

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