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5 Randwick Street Randwick NSW 2031

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BASIX certificate and NatHERS rating

Key features

Wall insulation
Or R1.70 including construction; No added insulation

Built by Bas Development And Project Management.

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
  • Floor above existing dwelling or building (no added insulation)
  • External wall: framed (weatherboard, fibro, metal clad) R1.30 (or R1.70 including construction)
  • External wall: cavity brick (no added insulation)
  • Raked ceiling, pitched/skillion roof: framed ceiling: R1.50 (up), roof: foil backed blanket (55 mm) light (solar absorptance < 0.475)
  • Flat ceiling, flat roof: framed ceiling: R1.40 (up), roof: foil backed blanket (55 mm) light (solar absorptance < 0.475)

Certificate A1738265_03, issued 20 November 2025, from the council's DA documents.

Other certificates for this address

BASIX certificate (alterations and additions), certificate A1738265_02, issued 11 June 2024

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
  • Floor above existing dwelling or building (no added insulation)
  • External wall: framed (weatherboard, fibro, metal clad) R1.30 (or R1.70 including construction)
  • External wall: cavity brick (no added insulation)
  • Raked ceiling, pitched/skillion roof: framed ceiling: R1.50 (up), roof: foil backed blanket (55 mm) light (solar absorptance < 0.475)
  • Flat ceiling, flat roof: framed ceiling: R1.40 (up), roof: foil backed blanket (55 mm) light (solar absorptance < 0.475)

Certificate A1738265_02, issued 11 June 2024, from the council's DA documents.

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