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Home report
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42 Colbran Avenue Kenthurst NSW 2156
BASIX certificate and NatHERS rating
This home has a NatHERS rating of 7 stars out of 10. Its BASIX certificate commits it to a 2,000 litre rainwater tank. Its NatHERS certificate lists insulation in the external walls, ceiling and floor. It beat its BASIX water target, scoring 42 against 40.
Key features
- Windows
- 22 windows and glazed doors
- Wall insulation
- R2.5
- Roof and ceiling insulation
- Ceiling R6, R2.5, roof Construction Insulation Reflective wrap* Corrugated Iron Steel Frame Bulk, Reflective Side Down, No Air Gap Above R1.3, light colour
- Hot water
- Electric heat pump with a performance of 15 to 20 STCs or better
- Air conditioning and heating
- 1-phase airconditioning, ducted (living area and bedroom)
Built by Quinn Homes.
BASIX certificate
- Energy score
- 70 (target 70)
- Water score
- 42 (target 40)
- Thermal performance
- Pass
- Materials score
- -100
- Heating load
- 49 MJ/m² a year
- Cooling load
- 11 MJ/m² a year
- Bedrooms
- 4
- Conditioned floor area
- 266.3 m²
- Unconditioned floor area
- 28 m²
- Site area
- 21,100 m²
- Roof area
- 461 m²
- Garden area
- 500 m²
- Climate zone
- NatHERS climate zone 28
- Hot water
- Electric heat pump with a performance of 15 to 20 STCs or better
- Rainwater tank
- 2,000 litres
- Fixtures
- Showerheads 4 star, toilets 4 star, kitchen taps 6 star, basin taps 6 star
- LED lighting
- Yes
- Clothes line
- Yes
- Maximum glazing
- aluminium frames 82 m², single glazing 71.3 m², double glazing 9.9 m²
Heating
- Living area: 1-phase airconditioning - ducted; Energy rating: EER 3.0 - 3.5
- Bedroom: 1-phase airconditioning - ducted; Energy rating: EER 3.0 - 3.5
Cooling
- Living area: 1-phase airconditioning - ducted; Energy rating: EER 3.0 - 3.5
- Bedroom: 1-phase airconditioning - ducted; Energy rating: EER 3.0 - 3.5
Construction and insulation
- Floor: concrete slab on ground, conventional slab (no added insulation)
- External wall: brick veneer; frame: light steel frame (not specified)
- External wall: framed (fibre cement sheet or boards); frame: light steel frame (not specified)
- Internal wall: plasterboard; frame: light steel frame (no added insulation)
- Internal wall: plasterboard; frame: light steel frame (not specified)
- Ceiling and roof: flat ceiling / pitched roof, framed - metal roof, light steel frame (ceiling: not specified; roof: not specified.)
Certificate 1840277S, issued 1 April 2026, from the council's DA documents.
NatHERS certificate
- Star rating
- 7 stars
- Rated with
- BERS Pro v5.2.6 (3.23)
- Rated on
- 27 Mar 2026
- Wall insulation
- R2.5
- Ceiling insulation
- R6, R2.5
- Floor insulation
- R2.5
- Living room glazing by direction
- W 6.2 m²
- All glazing by direction
- N 19.8 m², E 6.3 m², S 26.2 m², W 7.5 m²
Roof
- Construction Insulation Reflective wrap* Corrugated Iron Steel Frame Bulk, Reflective Side Down, No Air Gap Above R1.3, light colour
Window schedule
- 001 W4: 1,500 × 600 mm facing N
- 001 W3: 1,500 × 1,500 mm facing N
- 001 W2: 1,500 × 600 mm facing N
- 001 W1: 1,500 × 2,400 mm facing N
- 001 W18: 1,500 × 600 mm facing E
- LAUNDRY AWS-011-001-001 D7: 2,485 × 1,800 mm facing E
- 001 W17: 1,500 × 600 mm facing E
- 001 W16: 1,500 × 2,100 mm facing S
- 001 W15: 1,500 × 1,600 mm facing S
- 001 W14: 1,800 × 2,100 mm facing S
- LOUNGE AWS-011-007-001 D5: 2,485 × 2,500 mm facing W
- 001 W12: 1,200 × 900 mm facing S
- 001 d4: 2,485 × 980 mm facing S
- 001 D3: 2,485 × 4,000 mm facing S
- 001 W11: 1,400 × 1,800 mm facing S
- 001 W10: 700 × 1,800 mm facing W
- 001 d2: 2,485 × 2,100 mm facing N
- 001 W9: 1,400 × 600 mm facing S
- 001 W8: 1,400 × 2,400 mm facing N
- Sidelight: 2,100 × 660 mm facing N
- Sidelight: 2,100 × 660 mm facing N
- Highlight: 300 × 2,520 mm facing N
Certificate 0012870135-01, issued 27 March 2026, from the council's DA documents. Verify this certificate
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