North facing house plans that fit your block
Home report
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20 Trevally Avenue Chain Valley Bay NSW 2259
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BASIX certificate and NatHERS rating
Key features
- Wall insulation
- Or R1.70 including construction
BASIX certificate (alterations and additions)
This BASIX certificate is for alterations and additions, such as an extension or a pool, rather than a whole new house.
- LED lighting
- Yes
Construction and insulation
- Suspended floor with open subfloor: framed (R0.7). R0.8 (down) (or R1.50 including construction) N/A
- External wall: framed (weatherboard, fibro, metal clad) R1.30 (or R1.70 including construction)
- Flat ceiling, pitched roof ceiling: R0.95 (up), roof: foil backed blanket (100 mm) medium (solar absorptance 0.475 - 0.70)
Certificate A1831525, issued 4 February 2026, from the council's DA documents.
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