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Home report
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389 Old Northern Road Castle Hill NSW 2154
BASIX certificate and NatHERS rating
This home has a NatHERS rating of 7.2 stars out of 10. It beat its BASIX energy and water targets, scoring 72 against 68 for energy and 56 against 40 for water.
Key features
- Windows
- Up to aluminium frames 11.7 m², double glazing 11.7 m²
- Wall insulation
- Fibreglass batts or roll
- Roof and ceiling insulation
- Ceiling: fibreglass batts or roll; roof: foil/sarking
- Hot water
- Electric heat pump with a performance of 36 to 40 STCs or better
- Air conditioning and heating
- 1-phase airconditioning, ducted (living area and bedroom)
BASIX certificate
- Energy score
- 72 (target 68)
- Water score
- 56 (target 40)
- Thermal performance
- Pass
- Materials score
- 18
- Heating load
- 14 MJ/m² a year
- Cooling load
- 14 MJ/m² a year
- Bedrooms
- 2
- Conditioned floor area
- 56.2 m²
- Unconditioned floor area
- 3.8 m²
- Site area
- 680 m²
- Roof area
- 60 m²
- Climate zone
- NatHERS climate zone 56
- Hot water
- Electric heat pump with a performance of 36 to 40 STCs or better
- Fixtures
- Showerheads 4 star, toilets 6 star, kitchen taps 6 star, basin taps 6 star
- LED lighting
- Yes
- Clothes line
- Yes
- Maximum glazing
- aluminium frames 11.7 m², double glazing 11.7 m²
Heating
- Living area: 1-phase airconditioning - ducted; Energy rating: EER 3.5 - 4.0
- Bedroom: 1-phase airconditioning - ducted; Energy rating: EER 3.5 - 4.0
Cooling
- Living area: 1-phase airconditioning - ducted; Energy rating: EER 3.5 - 4.0
- Bedroom: 1-phase airconditioning - ducted; Energy rating: EER 3.5 - 4.0
Construction and insulation
- Floor: concrete slab on ground, waffle pod slab (not specified)
- External wall: concrete panel/plasterboard; frame: timber - H2 treated softwood (fibreglass batts or roll)
- External wall: framed (fibre cement sheet or boards); frame: timber - H2 treated softwood (fibreglass batts or roll)
- Internal wall: plasterboard; frame: timber - H2 treated softwood (no added insulation)
- Ceiling and roof: flat ceiling / flat roof, framed - metal roof, timber - H2 treated softwood (ceiling: fibreglass batts or roll; roof: foil/sarking.)
Certificate 1825146S_02, issued 25 March 2026, from the council's DA documents.
NatHERS certificate
- Star rating
- 7.2 stars
- Rated with
- FirstRate5: 5.5.5a (3.22)
- Rated on
- 25 Mar 2026
Certificate 1CS9AVOX0A-01, issued 25 March 2026, from the council's DA documents. Verify this certificate
Other certificates for this address
BASIX certificate (alterations and additions), certificate A1825144_04, issued 25 March 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). R1.00 (down) (or R1.70 including construction) N/A
- 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)
- Flat ceiling, flat roof: framed ceiling: R3.50 (up), roof: foil/sarking dark (solar absorptance > 0.70)
Certificate A1825144_04, issued 25 March 2026, from the council's DA documents.
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