22 Wianamatta Circuit Cattai NSW 2756

BASIX certificate and NatHERS rating

Finding the block on the map…

This home has a NatHERS rating of 7.1 stars out of 10. Its BASIX certificate commits it to 5 kW of solar panels and a 60,000 litre rainwater tank.

Windows: Up to aluminium frames 143.9 m², double glazing 143.9 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 6 stars
Air conditioning and heating: 1-phase airconditioning, ducted (living area and bedroom)

Energy score: 70 (target 70)
Water score: 40 (target 40)
Thermal performance: Pass
Materials score: -100
Heating load: 36 MJ/m² a year
Cooling load: 23 MJ/m² a year
Bedrooms: 5
Conditioned floor area: 675.3 m²
Unconditioned floor area: 28.5 m²
Site area: 6,297 m²
Roof area: 730 m²
Garden area: 5,191 m²
Climate zone: NatHERS climate zone 28
Hot water: Gas instantaneous with a performance of 6 stars
Solar panels: 5 kW
Rainwater tank: 60,000 litres
Fixtures: Showerheads 3 star, toilets 3 star, kitchen taps 3 star, basin taps 3 star
LED lighting: Yes
Cooktop: Gas
Clothes line: Yes
Maximum glazing: aluminium frames 143.9 m², double glazing 143.9 m²

Heating

Cooling

Construction and insulation

Floor: concrete slab on ground, waffle pod slab (fibreglass batts or roll)
Floor: suspended floor above enclosed subfloor, particle board; frame: timber - H2 treated softwood (fibreglass batts or roll)
Garage floor: concrete slab on ground, waffle pod slab (no added insulation)
External wall: framed (fibre cement sheet or boards); frame: timber - H2 treated softwood. all external walls fibreglass batts or roll+ foil/sarking
External garage wall: framed (fibre cement sheet or boards); frame: timber - H2 treated softwood (fibreglass batts or roll+ foil/sarking)
Internal wall: plasterboard; frame: timber - H2 treated softwood (no added insulation)
Internal wall: plasterboard; frame: timber - H2 treated softwood (fibreglass batts or roll)
Ceiling and roof: flat ceiling / pitched roof, framed - metal roof, timber - H2 treated softwood (ceiling: fibreglass batts or roll; roof: foil/sarking.)
Ceiling and roof: raked ceiling / pitched or skillion roof, framed - metal roof, timber - H2 treated softwood (ceiling: fibreglass batts or roll; roof: foil/sarking.)

Certificate 1801133S_02, issued 4 November 2025, from the council's DA documents.

Certificate OTTT2FEAP3, issued 24 June 2025, from the council's DA documents. Verify this certificate

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