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Home report
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6 Una Avenue Charmhaven NSW 2263
BASIX certificate and NatHERS rating
This home has a NatHERS rating of 7 stars out of 10. Its BASIX certificate commits it to 2 kW of solar panels and a 3,000 litre rainwater tank. Its NatHERS certificate lists insulation in the external walls, ceiling and floor. It beat its BASIX energy and water targets, scoring 86 against 70 for energy and 43 against 40 for water.
Key features
- Windows
- 12 windows and glazed doors: Aluminium Awning Window DG 4Clr/10Ar/4Clr; Aluminium Awning Window SG 5Clr; Aluminium Sliding Window DG 4Clr/10Ar/4Clr and 3 more types
- Wall insulation
- R2.7
- Roof and ceiling insulation
- Ceiling R7, R2.5, roof Roof Tiles Timber Frame Foil, Gap Above, Reflective Side Down, Anti-glare Up, light colour
- Hot water
- Electric heat pump with a performance of 21 to 25 STCs or better
- Air conditioning and heating
- 3-phase airconditioning (living area and bedroom)
Built by Eden Brae Holdings.
BASIX certificate
- Energy score
- 86 (target 70)
- Water score
- 43 (target 40)
- Thermal performance
- Pass
- Materials score
- -100
- Heating load
- 42 MJ/m² a year
- Cooling load
- 9 MJ/m² a year
- Bedrooms
- 3
- Conditioned floor area
- 122.2 m²
- Unconditioned floor area
- 10.7 m²
- Site area
- 677 m²
- Roof area
- 225 m²
- Garden area
- 258 m²
- Climate zone
- NatHERS climate zone 15
- Hot water
- Electric heat pump with a performance of 21 to 25 STCs or better
- Solar panels
- 2 kW
- Rainwater tank
- 3,000 litres
- Fixtures
- Showerheads 3 star, toilets 3 star, kitchen taps 3 star, basin taps 3 star
- LED lighting
- Yes
- Cooktop
- Gas
- Clothes line
- Yes
- Maximum glazing
- aluminium frames 29.1 m², single glazing 4.8 m², double glazing 24.3 m²
Heating
- Living area: 3-phase airconditioning; Energy rating: EER 3.5 - 4.0
- Bedroom: 3-phase airconditioning; Energy rating: EER 3.5 - 4.0
Cooling
- Living area: 3-phase airconditioning; Energy rating: EER 3.0 - 3.5
- Bedroom: 3-phase airconditioning; Energy rating: EER 3.0 - 3.5
Construction and insulation
- Floor: concrete slab on ground, waffle pod slab (no added insulation)
- Garage floor: concrete slab on ground, waffle pod slab (no added insulation)
- External wall: brick veneer; frame: timber - H2 treated softwood. all external walls not specified
- Internal wall: plasterboard; frame: timber - H2 treated softwood (not specified)
- Ceiling and roof: flat ceiling / pitched roof, framed - concrete tiles , timber - H2 treated softwood (ceiling: not specified; roof: not specified.)
Certificate 1804626S, issued 17 July 2025, from the council's DA documents.
NatHERS certificate
- Star rating
- 7 stars
- Rated with
- BERS Pro v5.2.4 (3.23)
- Rated on
- 17 Jul 2025
- Wall insulation
- R2.7
- Ceiling insulation
- R7, R2.5
- Floor insulation
- R2.7, R2.5
- Living room glazing by direction
- E 6 m², S 9.9 m², W 1.2 m²
- All glazing by direction
- N 3.8 m², E 8 m², S 9.9 m², W 7.6 m²
Roof
- Roof Tiles Timber Frame Foil, Gap Above, Reflective Side Down, Anti-glare Up, light colour
Window types
- STG-001-040 Aluminium Awning Window DG 4Clr/10Ar/4Clr: U-value 4, SHGC 0.57
- STG-002-003 Aluminium Awning Window SG 5Clr: U-value 6.4, SHGC 0.63
- STG-066-339 Aluminium Sliding Window DG 4Clr/10Ar/4Clr: U-value 3.9, SHGC 0.62
- STG-005-002 Aluminium Sliding Door SG 5Clr: U-value 6.2, SHGC 0.72
- STG-004-012 Aluminium Sliding Door DG 4Clr/10Ar/4Clr: U-value 3.9, SHGC 0.61
- STG-078-301 Aluminium Fixed Window DG 4Clr/10Ar/4Clr: U-value 3.2, SHGC 0.7
Window schedule
- Bedroom 1, window STG-001-040: 1,800 × 1,500 mm facing N
- Bedroom 1, window STG-001-040: 1,800 × 600 mm facing N
- Ens, window STG-002-003: 400 × 700 mm facing E
- Bedroom 2, window STG-066-339: 1,000 × 1,800 mm facing E
- Bedroom 3, window STG-066-339: 1,000 × 1,800 mm facing W
- Bath, window STG-002-003: 2,100 × 600 mm facing W
- Ldry, window STG-005-002: 2,200 × 1,500 mm facing W
- Kitchen/Living1, window STG-001-040: 2,000 × 1,000 mm facing E
- Kitchen/Living1, window STG-004-012: 2,200 × 3,200 mm facing S
- Kitchen/Living1, window STG-004-012: 2,200 × 1,800 mm facing E
- Kitchen/Living1, window STG-078-301: 1,200 × 2,400 mm facing S
- Kitchen/Living1, window STG-066-339: 1,200 × 1,000 mm facing W
Certificate 0012055786-01, issued 17 July 2025, from the council's DA documents. Verify this certificate
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