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1-3 Burran Avenue Mosman NSW 2088

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BASIX certificate and NatHERS rating

Key features

Wall insulation
No added insulation

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.

Construction and insulation

  • Suspended floor with open subfloor: concrete (R0.6). R0.9 (down) (or R1.50 including construction) N/A
  • External wall: cavity brick (no added insulation)

Certificate A1857856, issued 27 July 2026, from the council's DA documents.

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What else should you know about this block?

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