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Lot 23 Cosmos Way Box Hill NSW 2765
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 a 3,000 litre rainwater tank. It beat its BASIX water target, scoring 43 against 40.
Key features
- Windows
- Up to aluminium frames 27 m², double glazing 27 m²
- Wall insulation
- Fibreglass batts or roll+ foil/sarking
- Roof and ceiling insulation
- Ceiling: fibreglass batts or roll; roof: foil/sarking
- Hot water
- Gas instantaneous with a performance of 4 stars
- Air conditioning and heating
- 1-phase airconditioning, ducted (living area and bedroom)
Built by Universal Property Group.
BASIX certificate
- Energy score
- 70 (target 70)
- Water score
- 43 (target 40)
- Thermal performance
- Pass
- Materials score
- -46
- Heating load
- 24 MJ/m² a year
- Cooling load
- 36 MJ/m² a year
- Bedrooms
- 3
- Conditioned floor area
- 111.1 m²
- Unconditioned floor area
- 6.2 m²
- Site area
- 231 m²
- Roof area
- 108 m²
- Garden area
- 111 m²
- Climate zone
- NatHERS climate zone 28
- Hot water
- Gas instantaneous with a performance of 4 stars
- Rainwater tank
- 3,000 litres
- Fixtures
- Showerheads 4 star, toilets 4 star, kitchen taps 4 star, basin taps 4 star
- LED lighting
- Yes
- Cooktop
- Gas
- Clothes line
- Yes
- Maximum glazing
- aluminium frames 27 m², double glazing 27 m²
Heating
- Living area: 1-phase airconditioning - ducted; Energy rating: 4 star (average zone)
- Bedroom: 1-phase airconditioning - ducted; Energy rating: 4 star (average zone)
Cooling
- Living area: 1-phase airconditioning - ducted; Energy rating: 4 star (average zone)
- Bedroom: 1-phase airconditioning - ducted; Energy rating: 4 star (average zone)
Construction and insulation
- Floor: concrete slab on ground, waffle pod slab (no added insulation)
- Floor: above habitable rooms or mezzanine, particle board; frame: timber - hardwood predominant incl. glue laminated beams (fibreglass batts or roll)
- Floor: suspended floor above garage, particle board; frame: timber - hardwood predominant incl. glue laminated beams (fibreglass batts or roll)
- Garage floor: concrete slab on ground, waffle pod slab (no added insulation)
- External wall: AAC veneer; frame: timber - H2 treated softwood (fibreglass batts or roll+ foil/sarking)
- External wall: framed (fibre cement sheet or boards); frame: timber - H2 treated softwood (fibreglass batts or roll+ foil/sarking)
- External garage wall: AAC veneer; frame: timber - H2 treated softwood (foil/sarking)
- 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 - concrete tiles , timber - hardwood predominant incl. glue laminated beams (ceiling: fibreglass batts or roll; roof: foil/sarking.)
Certificate 1797348S_05, issued 22 January 2026, from the council's DA documents.
NatHERS certificate
- Star rating
- 7 stars
- Rated with
- FirstRate5: 5.5.5a (3.22)
- Rated on
- 22 Jan 2026
Certificate 692VJVJY9R-07, issued 22 January 2026, from the council's DA documents. Verify this certificate
Other certificates for this address
NatHERS certificate, certificate 692VJVJY9R-05, issued 3 November 2025
NatHERS certificate
- Star rating
- 7 stars
- Rated with
- FirstRate5: 5.5.5a (3.22)
- Rated on
- 3 Nov 2025
Certificate 692VJVJY9R-05, issued 3 November 2025, from the council's DA documents. Verify this certificate
BASIX certificate, certificate 1797348S_04, issued 3 November 2025
BASIX certificate
- Energy score
- 70 (target 70)
- Water score
- 43 (target 40)
- Thermal performance
- Pass
- Materials score
- -47
- Heating load
- 23 MJ/m² a year
- Cooling load
- 37 MJ/m² a year
- Bedrooms
- 3
- Conditioned floor area
- 105.3 m²
- Unconditioned floor area
- 12.6 m²
- Site area
- 231 m²
- Roof area
- 106 m²
- Garden area
- 110 m²
- Climate zone
- NatHERS climate zone 28
- Hot water
- Gas instantaneous with a performance of 4 stars
- Rainwater tank
- 3,000 litres
- Fixtures
- Showerheads 4 star, toilets 4 star, kitchen taps 4 star, basin taps 4 star
- LED lighting
- Yes
- Cooktop
- Gas
- Clothes line
- Yes
- Maximum glazing
- aluminium frames 27.4 m², double glazing 27.4 m²
Heating
- Living area: 1-phase airconditioning - ducted; Energy rating: 4 star (average zone)
- Bedroom: 1-phase airconditioning - ducted; Energy rating: 4 star (average zone)
Cooling
- Living area: 1-phase airconditioning - ducted; Energy rating: 4 star (average zone)
- Bedroom: 1-phase airconditioning - ducted; Energy rating: 4 star (average zone)
Construction and insulation
- Floor: concrete slab on ground, waffle pod slab (no added insulation)
- Floor: above habitable rooms or mezzanine, particle board; frame: timber - hardwood predominant incl. glue laminated beams (fibreglass batts or roll)
- Floor: suspended floor above garage, particle board; frame: timber - hardwood predominant incl. glue laminated beams (fibreglass batts or roll)
- Garage floor: concrete slab on ground, waffle pod slab (no added insulation)
- External wall: AAC veneer; frame: timber - H2 treated softwood (fibreglass batts or roll+ foil/sarking)
- External wall: framed (fibre cement sheet or boards); frame: timber - H2 treated softwood (fibreglass batts or roll+ foil/sarking)
- External garage wall: AAC veneer; frame: timber - H2 treated softwood (foil/sarking)
- 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 - concrete tiles , timber - hardwood predominant incl. glue laminated beams (ceiling: fibreglass batts or roll; roof: foil/sarking.)
Certificate 1797348S_04, issued 3 November 2025, from the council's DA documents.
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