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Home report
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74 Gwendolen Avenue Umina Beach NSW 2257
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BASIX certificate and NatHERS rating
This home's BASIX certificate commits it to a 2,500 litre rainwater tank. It beat its BASIX energy and water targets, scoring 72 against 70 for energy and 44 against 40 for water.
Key features
- Wall insulation
- Solar absorptance 0.48-0.7
- Hot water
- Electric boosted solar with a performance of 26 to 30 STCs or better
Built by Allworthg Homes Master Built.
BASIX certificate
- Energy score
- 72 (target 70)
- Water score
- 44 (target 40)
- Thermal performance
- Pass
- Materials score
- -53
- Bedrooms
- 4
- Conditioned floor area
- 154.8 m²
- Unconditioned floor area
- 11.3 m²
- Site area
- 696 m²
- Roof area
- 264 m²
- Garden area
- 180 m²
- Hot water
- Electric boosted solar with a performance of 26 to 30 STCs or better
- Rainwater tank
- 2,500 litres
- Fixtures
- Showerheads 3 star, toilets 4 star, kitchen taps 4 star, basin taps 4 star
- LED lighting
- Yes
- Clothes line
- Yes
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 2.44 (or 3.00 including construction);fibreglass batts or roll nil wall colour: Medium (solar absorptance 0.48-0.7)
Certificate 1809295S, issued 20 August 2025, from the council's DA documents.
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