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41 The Serpentine Bilgola Beach NSW 2107
BASIX certificate and NatHERS rating
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This home has a NatHERS rating of 4.7 stars out of 10. Its BASIX certificate commits it to 2 kW of solar panels and a 3,500 litre rainwater tank. Its NatHERS certificate lists insulation in the external walls, ceiling and floor. It beat its BASIX energy target, scoring 65 against 50.
Key features
- Windows
- 39 windows and glazed doors: Aluminium B SG High Solar Gain Low-E; Al Thermally Broken A DG Air Fill High Solar Gain low-E -Clear; Al Thermally Broken B DG Air Fill High Solar Gain low-E -Clear and 1 more types
- Wall insulation
- R2.5
- Roof and ceiling insulation
- Ceiling R3, R4.5, roof Concrete No Insulation, Only an Air Gap, medium colour
- Hot water
- Gas instantaneous with a performance of 5 stars
- Air conditioning and heating
- Airconditioning ducting only (living area and bedroom)
Built by Billabong Construction & Development.
BASIX certificate
- Energy score
- 65 (target 50)
- Water score
- 40 (target 40)
- Thermal performance
- Pass
- Heating load
- 47 MJ/m² a year
- Cooling load
- 27 MJ/m² a year
- Bedrooms
- 5
- Conditioned floor area
- 295.2 m²
- Unconditioned floor area
- 19.4 m²
- Site area
- 582 m²
- Roof area
- 174 m²
- Garden area
- 281 m²
- Climate zone
- NatHERS climate zone 56
- Hot water
- Gas instantaneous with a performance of 5 stars
- Solar panels
- 2 kW
- Rainwater tank
- 3,500 litres
- Fixtures
- Showerheads 4 star, toilets 4 star, kitchen taps 3 star, basin taps 3 star
- LED lighting
- Yes
- Cooktop
- Gas
- Clothes line
- Yes
Heating
- Living area: airconditioning ducting only; Energy rating: n/a
- Bedroom: airconditioning ducting only; Energy rating: n/a
Cooling
- Living area: airconditioning ducting only; Energy rating: n/a
- Bedroom: airconditioning ducting only; Energy rating: n/a
Certificate 1151743S, issued 1 December 2020, from the council's DA documents.
NatHERS certificate
- Star rating
- 4.7 stars
- Rated with
- BERS Pro v4.4.0.2 (3.21)
- Rated on
- 01 Dec 2020
- Wall insulation
- R2.5
- Ceiling insulation
- R3, R4.5
- Floor insulation
- R1, R2
- LED downlights
- 208
- Living room glazing by direction
- NE 12.4 m², SE 3.6 m², SW 16.4 m², NW 2.1 m²
- All glazing by direction
- NE 30.4 m², SE 16.9 m², SW 57 m², NW 4.4 m²
Roof
- Concrete No Insulation, Only an Air Gap, medium colour
- Waterproofing Membrane No Insulation, Only an Air Gap, light colour
- Corrugated Iron Bulk, Reflective Side Down, Anti-glare Up R1.7, light colour
- Corrugated Iron Foil, Gap Above, Reflective Side Down, Anti-glare Up, light colour
Window types
- ALM-002-03 A Aluminium B SG High Solar Gain Low-E: U-value 5.4, SHGC 0.58
- ATB-003-03 B Al Thermally Broken A DG Air Fill High Solar Gain low-E -Clear: U-value 3.1, SHGC 0.39
- ATB-004-03 B Al Thermally Broken B DG Air Fill High Solar Gain low-E -Clear: U-value 3.1, SHGC 0.49
- ALM-002-01 A Aluminium B SG Clear: U-value 6.7, SHGC 0.7
Window schedule
- GF Entry/WC, window ALM-002-03 A: 2,400 × 400 mm facing SW
- GF Entry/WC, window ALM-002-03 A: 2,400 × 400 mm facing SW
- Bedroom 4, window ATB-003-03 B: 2,400 × 2,700 mm facing SW
- Bedroom 5, window ATB-004-03 B: 600 × 2,400 mm facing SE
- Bedroom 5, window ATB-003-03 B: 2,400 × 2,700 mm facing SW
- FF Hallway, window ALM-002-01 A: 2,400 × 750 mm facing SW
- FF Hallway, window ATB-004-03 B: 2,400 × 1,500 mm facing SW
- Ens B1, window ATB-004-03 B: 1,800 × 1,000 mm facing SE
- Ens B1, window ATB-004-03 B: 1,800 × 1,300 mm facing SW
- Ens B1, window ALM-002-01 A: 1,800 × 600 mm facing SW
- Bedroom 3, window ATB-004-03 B: 2,100 × 1,000 mm facing SW
- Bedroom 3, window ATB-004-03 B: 2,100 × 1,100 mm facing NW
- Bedroom 3, window ATB-004-03 B: 1,800 × 1,500 mm facing NE
- Bedroom 3, window ALM-002-03 A: 1,800 × 750 mm facing NE
- Bedroom 3, window ALM-002-03 A: 2,100 × 750 mm facing NE
- Bedroom 3, window ATB-003-03 B: 2,400 × 1,500 mm facing SE
- SF Bath, window ALM-002-01 A: 600 × 1,200 mm facing NE
- SF Bath, window ALM-002-01 A: 600 × 750 mm facing NE
- Bedroom 1, window ATB-004-03 B: 2,400 × 4,500 mm facing SW
- Bedroom 2, window ATB-003-03 B: 2,400 × 1,500 mm facing NE
- Bedroom 2, window ATB-004-03 B: 1,800 × 1,000 mm facing NE
- Bedroom 2, window ALM-002-03 A: 1,800 × 750 mm facing NE
- Bedroom 2, window ATB-004-03 B: 1,800 × 1,200 mm facing SE
- Bedroom 2, window ALM-002-03 A: 1,800 × 750 mm facing SE
- Bedroom 2, window ALM-002-03 A: 1,800 × 600 mm facing SW
- Bedroom 2, window ATB-004-03 B: 1,800 × 900 mm facing SW
- Kitchen/Living, window ATB-004-03 B: 1,500 × 2,400 mm facing SE
- Kitchen/Living, window ATB-003-03 B: 1,500 × 2,300 mm facing SW
- Kitchen/Living, window ATB-004-03 B: 2,400 × 4,500 mm facing SW
- Kitchen/Living, window ATB-004-03 B: 2,100 × 1,000 mm facing SW
- Kitchen/Living, window ATB-004-03 B: 2,100 × 1,000 mm facing NW
- Kitchen/Living, window ALM-002-03 A: 2,100 × 750 mm facing NE
- Kitchen/Living, window ATB-004-03 B: 2,400 × 4,500 mm facing NE
- Powder, window ALM-002-01 A: 2,100 × 600 mm facing NE
- Office, window ATB-004-03 B: 1,500 × 1,400 mm facing NE
- Office, window ALM-002-03 A: 1,500 × 750 mm facing NE
- Office, window ATB-004-03 B: 1,500 × 1,200 mm facing SE
- Office, window ALM-002-03 A: 1,500 × 750 mm facing SE
- Office, window ATB-004-03 B: 1,500 × 900 mm facing SW
Certificate 0005446851, issued 1 December 2020, from the council's DA documents. Verify this certificate
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