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Home report
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28 Roskell Road Callala Beach NSW 2540
BASIX certificate and NatHERS rating
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This home has a NatHERS rating of 7 stars out of 10. Its BASIX certificate commits it to 1 kW of solar panels and a 4,000 litre rainwater tank. It beat its BASIX energy and water targets, scoring 71 against 66 for energy and 41 against 40 for water.
Key features
- Windows
- 10 windows and glazed doors: Aluminium B SG Clear; Aluminium A DG Argon Fill Clear-Clear; Aluminium B DG Argon Fill Clear-Clear
- Wall insulation
- All external walls fibreglass batts or roll+ foil/sarking
- Roof and ceiling insulation
- Roof Added insulation absorptance Roof Colour FLAT-02: Flat Framed / Skillion Metal Roof & Cathedral PB Ceiling (11°-33°) 0.00, light colour
- Hot water
- Electric instantaneous
- Air conditioning and heating
- 1-phase airconditioning, non ducted (living area)
BASIX certificate
- Energy score
- 71 (target 66)
- Water score
- 41 (target 40)
- Materials score
- -21
- Heating load
- 44 MJ/m² a year
- Cooling load
- 17 MJ/m² a year
- Bedrooms
- 1
- Conditioned floor area
- 81.5 m²
- Unconditioned floor area
- 5.9 m²
- Site area
- 669 m²
- Roof area
- 142 m²
- Garden area
- 100 m²
- Climate zone
- NatHERS climate zone 18
- Hot water
- Electric instantaneous
- Solar panels
- 1 kW
- Rainwater tank
- 4,000 litres
- Fixtures
- Showerheads 4 star, toilets 4 star, kitchen taps 4 star, basin taps 4 star
- LED lighting
- Yes
- Clothes line
- Yes
- Maximum glazing
- aluminium frames 29 m², double glazing 29 m²
Cooling
- Living area: 1-phase airconditioning - non ducted; Energy rating: 4 star (cold zone)
Construction and insulation
- Floor: concrete slab on ground, waffle pod slab (not specified)
- External wall: framed (metal clad); frame: light steel frame. all external walls fibreglass batts or roll+ foil/sarking
- Internal wall: plasterboard; frame: light steel frame (no added insulation)
- Ceiling and roof: raked ceiling / pitched or skillion roof, framed - metal roof, light steel frame (ceiling: fibreglass batts or roll; roof: foil/sarking.)
Certificate 1834995S_06, issued 3 August 2026, from the council's DA documents.
NatHERS certificate
- Star rating
- 7 stars
- Rated with
- Hero 4.1
- Rated on
- 30 Jul 2026
- Living room glazing by direction
- SSE 0.6 m², NNW 14.4 m²
- All glazing by direction
- SSE 2.1 m², WSW 0.7 m², NNW 24.5 m²
Roof
- Added insulation absorptance Roof Colour FLAT-02: Flat Framed / Skillion Metal Roof & Cathedral PB Ceiling (11°-33°) 0.00, light colour
Window types
- ALM-002-01 A Aluminium B SG Clear: U-value 6.7, SHGC 0.7
- ALM-005-01 A Aluminium A DG Argon Fill Clear-Clear: U-value 4.5, SHGC 0.5
- ALM-006-01 A Aluminium B DG Argon Fill Clear-Clear: U-value 4.5, SHGC 0.61
Window schedule
- BATH, window ALM-002-01 A: 1,200 × 600 mm facing WSW
- BED, window ALM-006-01 A: 2,400 × 2,000 mm facing NNW
- ENSUITE, window ALM-006-01 A: 400 × 1,000 mm facing SSE
- KITCHEN/DINING/LIVING, window ALM-006-01 A: 2,400 × 1,550 mm facing NNW
- KITCHEN/DINING/LIVING, window ALM-006-01 A: 2,200 × 260 mm facing SSE
- KITCHEN/DINING/LIVING, window ALM-006-01 A: 2,400 × 3,000 mm facing NNW
- KITCHEN/DINING/LIVING, window ALM-006-01 A: 2,400 × 1,450 mm facing NNW
- MEZZANINE/STAIRS, window ALM-005-01 A: 1,100 × 500 mm facing SSE
- MEZZANINE/STAIRS, window ALM-006-01 A: 2,200 × 2,400 mm facing NNW
- PREP, window ALM-005-01 A: 1,200 × 500 mm facing SSE
Certificate HR-B3KSVO-01, issued 30 July 2026, from the council's DA documents.
Other certificates for this address
BASIX certificate, certificate 1834995S_03, issued 11 May 2026
BASIX certificate
- Energy score
- 76 (target 66)
- Water score
- 41 (target 40)
- Materials score
- -10
- Bedrooms
- 1
- Conditioned floor area
- 81.5 m²
- Unconditioned floor area
- 5.9 m²
- Site area
- 669 m²
- Roof area
- 142 m²
- Garden area
- 100 m²
- Hot water
- Electric instantaneous
- Solar panels
- 1 kW
- Rainwater tank
- 4,000 litres
- Fixtures
- Showerheads 4 star, toilets 4 star, kitchen taps 4 star, basin taps 4 star
- LED lighting
- Yes
- Clothes line
- Yes
Heating
- Living area: wood heater; Energy rating: n/a
Cooling
- Living area: 1-phase airconditioning - non ducted; Energy rating: 4 star (cold zone)
Construction and insulation
- Floor: concrete slab on ground, conventional slab (no added insulation)
- External wall: framed (metal clad); frame: light steel frame. all external walls 2.50 (or 3.00 including construction) with one of the measures to address thermal bridging;fibreglass batts or roll + reflective foil in the cavity • Install reflective foil outside the frame to create a minimum 20 mm reflective airspace between frame and veneer, or • Install continuous insulation layer with at least R0.3 on the inside or outside of the frame wall colour: Light (solar absorptance < 0.48)
Certificate 1834995S_03, issued 11 May 2026, from the council's DA documents.
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