Lot 13 Carina Street, Box Hil 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.

Windows: Up to aluminium frames 42.2 m², single glazing 21.1 m², double glazing 21.1 m²
Wall insulation: All external walls 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)

Energy score: 70 (target 70)
Water score: 40 (target 40)
Materials score: -85
Heating load: 40 MJ/m² a year
Cooling load: 20 MJ/m² a year
Bedrooms: 4
Conditioned floor area: 134.7 m²
Unconditioned floor area: 14.6 m²
Site area: 265 m²
Roof area: 166 m²
Garden area: 75 m²
Climate zone: NatHERS climate zone 28
Hot water: Gas instantaneous with a performance of 4 stars
Rainwater tank: 3,000 litres
Fixtures: Showerheads 5 star, toilets 3 star, kitchen taps 3 star, basin taps 3 star
LED lighting: Yes
Cooktop: Gas
Clothes line: Yes
Maximum glazing: aluminium frames 42.2 m², single glazing 21.1 m², double glazing 21.1 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, 30% cement substitute, waffle pod slab (not specified)
Floor: suspended floor above garage, concrete - suspended; frame: timber - untreated softwood (polystyrene)
Garage floor: concrete slab on ground, 30% cement substitute, waffle pod slab (no added insulation)
External wall: AAC veneer; frame: timber - untreated softwood. all external walls fibreglass batts or roll+ foil/sarking
External garage wall: AAC veneer; frame: timber - untreated softwood (no added insulation)
Internal wall: plasterboard; frame: timber - untreated softwood (no added insulation)
Ceiling and roof: flat ceiling / pitched roof, framed - concrete tiles , timber - untreated softwood (ceiling: fibreglass batts or roll; roof: foil/sarking.)

Certificate 1823813S_03, issued 28 May 2026, from the council's DA documents.

Certificate CI1XQERUQM, issued 9 December 2025, from the council's DA documents. Verify this certificate

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