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224 Greenhills Road Berrima NSW 2577

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BASIX certificate and NatHERS rating

Key features

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

Built by Bwg Projects.

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 with in-slab heating system. R1.00 (slab edge) in-slab heating system
  • Suspended floor with enclosed subfloor: concrete and in-floor heating system (R0.6). R1.10 (down) under + slab edge (or R1.7
  • Suspended floor above garage: concrete and in-floor heating system (R0.6). R0.40 (down) under + slab edge (or R1
  • External wall: brick veneer R1.16 (or R1.70 including construction)
  • External wall: cavity brick (no added insulation)
  • External wall: framed (weatherboard, fibro, metal clad) R1.30 (or R1.70 including construction)
  • External wall: single skin autoclaved aerated concrete (AAC) (AAC: 250 mm) (no added insulation)
  • Internal wall shared with garage: 75 mm AAC panel (R0.49)
  • Flat ceiling, pitched roof ceiling: R2.45 (up), roof: foil backed blanket (55 mm) dark (solar absorptance > 0.70)
  • Raked ceiling, pitched/skillion roof: framed ceiling: R2.74 (up), roof: foil backed blanket (55 mm) dark (solar absorptance > 0.70)

Certificate A1814011, issued 22 September 2025, from the council's DA documents.

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What else should you know about this block?

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