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11A Stimsons Lane Tumbi Umbi NSW 2261

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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 enclosed subfloor: framed (R0.7). R0.60 (down) (or R1.30 including construction) N/A
  • External wall: framed (weatherboard, fibro, metal clad) R1.30 (or R1.70 including construction)
  • Flat ceiling, pitched roof ceiling: R2.25 (up), roof: foil/sarking light (solar absorptance < 0.475)
  • Raked ceiling, pitched/skillion roof: framed ceiling: R2.26 (up), roof: foil/sarking light (solar absorptance < 0.475)

Certificate A1808527_02, issued 15 August 2025, from the council's DA documents.

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What else should you know about this block?

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