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16 Windward Avenue Mosman NSW 2088

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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
  • Suspended floor above garage: framed (R0.7) (no added insulation)
  • Floor above existing dwelling or building (no added insulation)
  • External wall: framed (weatherboard, fibro, metal clad) R1.30 (or R1.70 including construction)
  • Flat ceiling, flat roof: framed ceiling: R1.40 (up), roof: foil backed blanket (55 mm) light (solar absorptance < 0.475)

Certificate A1829719_02, issued 28 May 2026, from the council's DA documents.

Other certificates for this address

BASIX certificate (alterations and additions), certificate A1829719, issued 21 January 2026

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
  • Suspended floor above garage: framed (R0.7) (no added insulation)
  • Floor above existing dwelling or building (no added insulation)
  • External wall: framed (weatherboard, fibro, metal clad) R1.30 (or R1.70 including construction)
  • Flat ceiling, flat roof: framed ceiling: R1.40 (up), roof: foil backed blanket (55 mm) light (solar absorptance < 0.475)

Certificate A1829719, issued 21 January 2026, from the council's DA documents.

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What else should you know about this block?

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