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150 Duncan Street Maroubra NSW 2035

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BASIX certificate and NatHERS rating

Key features

Wall insulation
Or R1.70 including construction; 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 above garage: concrete (R0.6) (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: external insulated façade system (EIFS)(façade panel: 50 mm) (no added insulation)
  • External wall: concrete panel/ plasterboard (concrete: 150 mm) R1.39 (or R1.70 including construction)
  • Raked ceiling, pitched/skillion roof: framed ceiling: R0.50 (up), roof: foil backed blanket (75 mm) light (solar absorptance < 0.475)

Certificate A1799357, issued 11 June 2025, from the council's DA documents.

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What else should you know about this block?

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