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3 Little Street Mosman NSW 2088

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BASIX certificate and NatHERS rating

Key features

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

Built by Darlinghurst Training.

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: framed (R0.7). R0.60 (down) (or R1.30 including construction) N/A
  • External wall: cavity brick (no added insulation)
  • External wall: framed (weatherboard, fibro, metal clad) R1.30 (or R1.70 including construction)
  • Raked ceiling, pitched/skillion roof: framed ceiling: R2.24 (up), roof: foil backed blanket (55 mm) medium (solar absorptance 0.475 - 0.70)
  • Flat ceiling, flat roof: framed ceiling: R1.40 (up), roof: foil backed blanket (55 mm) light (solar absorptance < 0.475)

Certificate A1822073_02, issued 9 March 2026, from the council's DA documents.

Other certificates for this address

BASIX certificate (alterations and additions), certificate A1822073, issued 17 November 2025

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: framed (R0.7). R0.60 (down) (or R1.30 including construction) N/A
  • External wall: cavity brick (no added insulation)
  • External wall: framed (weatherboard, fibro, metal clad) R1.30 (or R1.70 including construction)
  • Raked ceiling, pitched/skillion roof: framed ceiling: R2.24 (up), roof: foil backed blanket (55 mm) medium (solar absorptance 0.475 - 0.70)
  • Flat ceiling, flat roof: framed ceiling: R1.40 (up), roof: foil backed blanket (55 mm) light (solar absorptance < 0.475)

Certificate A1822073, issued 17 November 2025, from the council's DA documents.

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