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1 Phyllis Street North Curl Curl NSW 2099

BASIX certificate and NatHERS rating

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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.

LED lighting
Yes

Construction and insulation

  • Concrete slab on ground floor (no added insulation)
  • Suspended floor with enclosed subfloor: concrete (R0.6). R0.70 (down) (or R1.30 including construction) N/A
  • Suspended floor above garage: concrete (R0.6) (no added insulation)
  • Floor above existing dwelling or building (no added insulation)
  • External wall: cavity brick (no added insulation)
  • Internal wall shared with garage: single skin masonry (R0.18)
  • 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)
  • Flat ceiling, flat roof: framed ceiling: R2.32 (up), roof: foil/sarking light (solar absorptance < 0.475)

Certificate A1789675_03, issued 5 December 2025, from the council's DA documents.

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