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3 Surrey Avenue Castle Hill NSW 2154
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)
- Floor above existing dwelling or building (no added insulation)
- External wall: brick veneer R1.16 (or R1.70 including construction)
- Internal wall shared with garage: plasterboard (R0.36)
- Flat ceiling, pitched roof ceiling: R1.95 (up), roof: foil backed blanket (55 mm) medium (solar absorptance 0.475 - 0.70)
Certificate A1789612_06, issued 18 September 2025, from the council's DA documents.
Other certificates for this address
BASIX certificate (alterations and additions), certificate A1789612_05, issued 13 August 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)
- Floor above existing dwelling or building (no added insulation)
- External wall: brick veneer R1.16 (or R1.70 including construction)
- Internal wall shared with garage: plasterboard (R0.36)
- Flat ceiling, pitched roof ceiling: R1.95 (up), roof: foil backed blanket (55 mm) medium (solar absorptance 0.475 - 0.70)
Certificate A1789612_05, issued 13 August 2025, from the council's DA documents.
BASIX certificate (alterations and additions), certificate A1789612_04, issued 9 April 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)
- Floor above existing dwelling or building (no added insulation)
- External wall: brick veneer R1.16 (or R1.70 including construction)
- Internal wall shared with garage: plasterboard (R0.36)
- Flat ceiling, pitched roof ceiling: R1.95 (up), roof: foil backed blanket (55 mm) medium (solar absorptance 0.475 - 0.70)
Certificate A1789612_04, issued 9 April 2025, from the council's DA documents.
BASIX certificate (alterations and additions), certificate A1789612, issued 31 March 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)
- Floor above existing dwelling or building (no added insulation)
- External wall: brick veneer R1.16 (or R1.70 including construction)
- Internal wall shared with garage: plasterboard (R0.36)
- Flat ceiling, pitched roof ceiling: R1.95 (up), roof: foil backed blanket (55 mm) medium (solar absorptance 0.475 - 0.70)
Certificate A1789612, issued 31 March 2025, from the council's DA documents.
BASIX certificate (alterations and additions), certificate A1765432_03, issued 4 February 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)
- Floor above existing dwelling or building (no added insulation)
- External wall: brick veneer R1.16 (or R1.70 including construction)
- External wall: concrete block/ plasterboard R1.18 (or R1.70 including construction)
- Internal wall shared with garage: plasterboard (R0.36)
- Flat ceiling, pitched roof ceiling: R1.95 (up), roof: foil backed blanket (55 mm) medium (solar absorptance 0.475 - 0.70)
Certificate A1765432_03, issued 4 February 2025, from the council's DA documents.
BASIX certificate (alterations and additions), certificate A1765432_02, issued 31 October 2024
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)
- Floor above existing dwelling or building (no added insulation)
- External wall: brick veneer R1.16 (or R1.70 including construction)
- External wall: concrete block/ plasterboard R1.18 (or R1.70 including construction)
- Internal wall shared with garage: plasterboard (R0.36)
- Flat ceiling, pitched roof ceiling: R1.95 (up), roof: foil backed blanket (55 mm) medium (solar absorptance 0.475 - 0.70)
Certificate A1765432_02, issued 31 October 2024, from the council's DA documents.
BASIX certificate (alterations and additions), certificate A1765432, issued 20 September 2024
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)
- Floor above existing dwelling or building (no added insulation)
- External wall: brick veneer R1.16 (or R1.70 including construction)
- External wall: concrete block/ plasterboard R1.18 (or R1.70 including construction)
- Internal wall shared with garage: plasterboard (R0.36)
- Flat ceiling, pitched roof ceiling: R1.95 (up), roof: foil backed blanket (55 mm) medium (solar absorptance 0.475 - 0.70)
Certificate A1765432, issued 20 September 2024, from the council's DA documents.
BASIX certificate (alterations and additions), certificate A1741809_02, issued 2 May 2024
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)
- Floor above existing dwelling or building (no added insulation)
- External wall: brick veneer R1.16 (or R1.70 including construction)
- External wall: framed (weatherboard, fibro, metal clad) R1.30 (or R1.70 including construction)
- Internal wall shared with garage: single skin masonry (R0.18)
- Flat ceiling, pitched roof ceiling: R1.95 (up), roof: foil backed blanket (55 mm) medium (solar absorptance 0.475 - 0.70)
Certificate A1741809_02, issued 2 May 2024, from the council's DA documents.
BASIX certificate (alterations and additions), certificate A1741809, issued 28 March 2024
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)
- Floor above existing dwelling or building (no added insulation)
- External wall: brick veneer R1.16 (or R1.70 including construction)
- External wall: framed (weatherboard, fibro, metal clad) R1.30 (or R1.70 including construction)
- Internal wall shared with garage: single skin masonry (R0.18)
- Flat ceiling, pitched roof ceiling: R1.95 (up), roof: foil backed blanket (55 mm) medium (solar absorptance 0.475 - 0.70)
Certificate A1741809, issued 28 March 2024, from the council's DA documents.
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