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241 Wattamolla Road Woodhill NSW 2535

BASIX certificate and NatHERS rating

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This home has a NatHERS rating of 7.2 stars out of 10. Its BASIX certificate commits it to 10 kW of solar panels and an 80,000 litre rainwater tank. Its NatHERS certificate lists insulation in the external walls, ceiling and floor. It beat its BASIX energy and water targets, scoring 100 against 69 for energy and 94 against 40 for water.

Key features

Windows
33 windows and glazed doors: Timber A DG Argon Fill Clear-Clear; Timber B DG Argon Fill Clear-Clear
Wall insulation
R2.7, R1.6
Roof and ceiling insulation
Ceiling R6, roof Corrugated Iron Bulk+Foil, Reflective Side Down, Anti-glare Up R1.3, light colour
Hot water
Electric heat pump with a performance of 36 to 40 STCs or better
Air conditioning and heating
1-phase airconditioning, non ducted (living area and bedroom)

BASIX certificate

Energy score
100 (target 69)
Water score
94 (target 40)
Thermal performance
Pass
Materials score
-76
Heating load
27 MJ/m² a year
Cooling load
30 MJ/m² a year
Bedrooms
3
Conditioned floor area
170 m²
Unconditioned floor area
20 m²
Site area
20,000 m²
Roof area
427 m²
Garden area
335 m²
Climate zone
NatHERS climate zone 18
Hot water
Electric heat pump with a performance of 36 to 40 STCs or better
Solar panels
10 kW
Rainwater tank
80,000 litres
Fixtures
Showerheads 4 star, toilets 5 star, kitchen taps 6 star, basin taps 6 star
LED lighting
Yes
Cooktop
Induction
Clothes line
Yes
Maximum glazing
timber frames 180 m², double glazing 180 m²

Heating

  • Living area: 1-phase airconditioning - non ducted; Energy rating: 7 star (cold zone)
  • Bedroom: 1-phase airconditioning - non ducted; Energy rating: 7 star (cold zone)

Cooling

  • Living area: 1-phase airconditioning - non ducted; Energy rating: 7 star (cold zone)
  • Bedroom: 1-phase airconditioning - non ducted; Energy rating: 7 star (cold zone)

Construction and insulation

  • Floor: concrete slab on ground, conventional slab (no added insulation)
  • Garage floor: concrete slab on ground (no added insulation)
  • External wall: mudbrick or rammed earth; frame: no frame (polystyrene)
  • External wall: framed (solid or reconstituted timber weatherboard); frame: timber - H2 treated softwood (rockwool batts, roll or pump-in+ foil/sarking)
  • External garage wall: mudbrick or rammed earth; frame: no frame (polystyrene)
  • Internal wall: plasterboard; frame: timber - H2 treated softwood (rockwool batts, roll or pump-in)
  • Ceiling and roof: flat ceiling / pitched roof, framed - metal roof, timber - H2 treated softwood (ceiling: rockwool batts, roll or pump-in; roof: foil/sarking.)
  • Ceiling and roof: raked ceiling / pitched or skillion roof, framed - metal roof, timber - H2 treated softwood (ceiling: rockwool batts, roll or pump-in; roof: foil/sarking.)

Certificate 1745720S, issued 1 May 2024, from the council's DA documents.

NatHERS certificate

Star rating
7.2 stars
Rated with
BERS Pro v4.4.1.5 (3.21)
Rated on
01 May 2024
Wall insulation
R2.7, R1.6
Ceiling insulation
R6
Floor insulation
R2.1
Living room glazing by direction
N 26.9 m², E 6.1 m², S 11.8 m², W 8.3 m²
All glazing by direction
N 60.7 m², E 13.5 m², S 20.3 m², W 17.8 m²

Roof

  • Corrugated Iron Bulk+Foil, Reflective Side Down, Anti-glare Up R1.3, light colour

Window types

  • TIM-005-01 W Timber A DG Argon Fill Clear-Clear: U-value 2.6, SHGC 0.5
  • TIM-006-01 W Timber B DG Argon Fill Clear-Clear: U-value 2.6, SHGC 0.53

Window schedule

  • Kitchen/Living, window TIM-005-01 W: 2,400 × 1,200 mm facing E
  • Kitchen/Living, window TIM-005-01 W: 2,400 × 900 mm facing E
  • Kitchen/Living, window TIM-006-01 W: 1,200 × 900 mm facing E
  • Kitchen/Living, window TIM-005-01 W: 2,400 × 900 mm facing S
  • Kitchen/Living, window TIM-005-01 W: 1,900 × 2,400 mm facing S
  • Kitchen/Living, window TIM-005-01 W: 1,500 × 800 mm facing S
  • Kitchen/Living, window TIM-006-01 W: 800 × 4,800 mm facing S
  • Kitchen/Living, window TIM-006-01 W: 2,400 × 3,000 mm facing W
  • Kitchen/Living, window TIM-006-01 W: 1,200 × 900 mm facing W
  • Kitchen/Living, window TIM-006-01 W: 2,400 × 2,400 mm facing N
  • Kitchen/Living, window TIM-005-01 W: 2,400 × 1,200 mm facing N
  • Kitchen/Living, window TIM-006-01 W: 2,400 × 2,400 mm facing N
  • Kitchen/Living, window TIM-005-01 W: 2,400 × 1,200 mm facing N
  • Kitchen/Living, window TIM-006-01 W: 1,000 × 9,600 mm facing N
  • Bedroom 1, window TIM-005-01 W: 2,400 × 1,200 mm facing E
  • Bedroom 1, window TIM-005-01 W: 2,400 × 1,200 mm facing W
  • Bedroom 1, window TIM-006-01 W: 2,400 × 3,000 mm facing N
  • Bedroom 1, window TIM-006-01 W: 800 × 4,800 mm facing N
  • Night Time 1, window TIM-006-01 W: 1,600 × 1,700 mm facing E
  • Night Time 1, window TIM-006-01 W: 800 × 2,400 mm facing S
  • Bedroom 2, window TIM-006-01 W: 2,400 × 2,400 mm facing N
  • Bedroom 2, window TIM-005-01 W: 1,500 × 1,200 mm facing E
  • Bedroom 3, window TIM-005-01 W: 1,500 × 1,200 mm facing W
  • Bedroom 3, window TIM-006-01 W: 2,400 × 2,400 mm facing N
  • Unconditioned 1, window TIM-005-01 W: 1,500 × 800 mm facing N
  • Airlock entry, window TIM-006-01 W: 800 × 2,400 mm facing S
  • Airlock entry, window TIM-005-01 W: 2,400 × 1,100 mm facing W
  • Airlock entry, window TIM-006-01 W: 2,400 × 3,000 mm facing N
  • Day Time 2, window TIM-005-01 W: 2,400 × 1,200 mm facing N
  • Day Time 2, window TIM-006-01 W: 800 × 1,200 mm facing S
  • Day Time 4, window TIM-006-01 W: 2,100 × 900 mm facing S
  • Day Time 4, window TIM-006-01 W: 2,100 × 900 mm facing S
  • Day Time 4, window TIM-005-01 W: 2,400 × 900 mm facing W

Certificate 0009415803, issued 1 May 2024, from the council's DA documents. Verify this certificate

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