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2 Koowong Road Gwandalan 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)
  • Raked ceiling, pitched/skillion roof: framed ceiling: R2.24 (up), roof: foil backed blanket (55 mm) medium (solar absorptance 0.475 - 0.70)

Certificate A1801111, issued 24 June 2025, from the council's DA documents.

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What else should you know about this block?

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