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15 Wanganella Street Balgowlah NSW 2093

BASIX certificate and NatHERS rating

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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

  • Concrete slab on ground floor (no added insulation)
  • Floor above existing dwelling or building (no added insulation)
  • External wall: brick veneer R1.16 (or R1.70 including construction)
  • External wall: framed (weatherboard, fibro, metal clad) R1.30 (or R1.70 including construction)
  • Flat ceiling, pitched roof ceiling: R2.50 (up), roof: foil/sarking dark (solar absorptance > 0.70)

Certificate A1849573, issued 3 June 2026, from the council's DA documents.

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What else should you know about this block?

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