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2 Boona Lane Saratoga NSW 2251

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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

  • Concrete slab on ground floor (no added insulation)
  • Suspended floor with open subfloor: framed (R0.7). R0.8 (down) (or R1.50 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)
  • Internal wall shared with garage: plasterboard (R0.36)
  • Flat ceiling, pitched roof ceiling: R1.20 (up), roof: foil backed blanket (55 mm) light (solar absorptance < 0.475)
  • Raked ceiling, pitched/skillion roof: framed ceiling: R1.50 (up), roof: foil backed blanket (55 mm) light (solar absorptance < 0.475)

Certificate A1833710, issued 18 February 2026, from the council's DA documents.

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What else should you know about this block?

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