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Proposed Lot 705 Marbleleaf Road, Woongarrah

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BASIX certificate and NatHERS rating

This home has a NatHERS rating of 7 stars out of 10. Its BASIX certificate commits it to 4 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 91 against 70 for energy and 48 against 40 for water.

Key features

Windows
18 windows and glazed doors: Aluminium B DG Argon Fill High Solar Gain low-E; Timber A SG Clear; Aluminium B SG Clear and 2 more types
Wall insulation
R2.5
Roof and ceiling insulation
Ceiling R2.5, R5, roof Roof Tiles Timber Frame Foil, Gap Above, Reflective Side Down, Anti-glare Up, dark colour
Hot water
Gas instantaneous with a performance of 6 stars
Air conditioning and heating
1-phase airconditioning, ducted (living area and bedroom)

Built by Allam Homes.

BASIX certificate

Energy score
91 (target 70)
Water score
48 (target 40)
Thermal performance
Pass
Materials score
-34
Heating load
37 MJ/m² a year
Cooling load
14 MJ/m² a year
Bedrooms
4
Conditioned floor area
188.3 m²
Unconditioned floor area
14.6 m²
Site area
352 m²
Roof area
185 m²
Garden area
117 m²
Climate zone
NatHERS climate zone 15
Hot water
Gas instantaneous with a performance of 6 stars
Solar panels
4 kW
Rainwater tank
3,000 litres
Fixtures
Showerheads 3 star, toilets 4 star, kitchen taps 5 star, basin taps 5 star
LED lighting
Yes
Cooktop
Gas
Clothes line
Yes
Maximum glazing
aluminium frames 37.6 m², timber frames 2.9 m², single glazing 5.7 m², double glazing 34.8 m²

Heating

  • Living area: 1-phase airconditioning - ducted; Energy rating: EER 3.5 - 4.0
  • Bedroom: 1-phase airconditioning - ducted; Energy rating: EER 3.5 - 4.0

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, waffle pod slab (not specified)
  • Floor: above habitable rooms or mezzanine, particle board; frame: timber - H2 treated softwood (no added insulation)
  • Floor: suspended floor above garage, particle board; frame: timber - H2 treated softwood (fibreglass batts or roll)
  • Garage floor: concrete slab on ground, waffle pod slab (not specified)
  • External wall: brick veneer; frame: timber - H2 treated softwood (fibreglass batts or roll)
  • External wall: framed (fibre cement sheet or boards); frame: timber - H2 treated softwood (fibreglass batts or roll+ foil/sarking)
  • External garage wall: cavity brick; frame: no frame (no added insulation)
  • External garage wall: brick veneer; frame: timber - H2 treated softwood (no added insulation)
  • Internal wall: plasterboard; frame: timber - H2 treated softwood (no added insulation)
  • Ceiling and roof: flat ceiling / pitched roof, framed - concrete tiles , timber - H2 treated softwood (ceiling: fibreglass batts or roll; roof: foil/sarking.)

Certificate 1768805S_02, issued 13 January 2025, from the council's DA documents.

NatHERS certificate

Star rating
7 stars
Rated with
BERS Pro v5.2.4 (3.23)
Rated on
13 Jan 2025
Wall insulation
R2.5
Ceiling insulation
R2.5, R5
Floor insulation
R2.5
LED downlights
41
Living room glazing by direction
N 1.3 m², S 2.9 m², W 4.4 m²
All glazing by direction
N 11.2 m², E 2.8 m², S 15.5 m², W 11 m²

Roof

  • Roof Tiles Timber Frame Foil, Gap Above, Reflective Side Down, Anti-glare Up, dark colour

Window types

  • ALM-006-03 A Aluminium B DG Argon Fill High Solar Gain low-E: U-value 4.1, SHGC 0.52
  • TIM-001-01 W Timber A SG Clear: U-value 5.4, SHGC 0.56
  • ALM-002-01 A Aluminium B SG Clear: U-value 6.7, SHGC 0.7
  • ALM-005-03 A Aluminium A DG Argon Fill High Solar Gain low-E: U-value 4.1, SHGC 0.47
  • ALM-001-01 A Aluminium A SG Clear: U-value 6.7, SHGC 0.57

Window schedule

  • KMF, window ALM-006-03 A: 900 × 2,200 mm facing W
  • KMF, window ALM-006-03 A: 2,100 × 2,300 mm facing N
  • KMF, window ALM-006-03 A: 1,500 × 2,200 mm facing W
  • KMF, window ALM-006-03 A: 1,500 × 2,400 mm facing N
  • Living, window TIM-001-01 W: 2,380 × 1,200 mm facing S
  • Living, window ALM-006-03 A: 900 × 2,700 mm facing W
  • Ldry, window ALM-002-01 A: 900 × 600 mm facing E
  • Bedroom 1, window ALM-005-03 A: 1,500 × 900 mm facing S
  • Bedroom 1, window ALM-006-03 A: 2,100 × 3,200 mm facing S
  • Ens, window ALM-001-01 A: 1,500 × 900 mm facing S
  • Bedroom 2, window ALM-006-03 A: 600 × 2,200 mm facing E
  • Bedroom 4, window ALM-006-03 A: 600 × 2,200 mm facing W
  • Rumpus, window ALM-006-03 A: 600 × 2,200 mm facing N
  • Rumpus, window ALM-006-03 A: 600 × 1,600 mm facing W
  • Rumpus, window ALM-006-03 A: 600 × 1,600 mm facing W
  • Bath, window ALM-001-01 A: 600 × 1,600 mm facing E
  • Bedroom 3, window ALM-006-03 A: 600 × 2,400 mm facing N
  • Study, window ALM-005-03 A: 1,800 × 1,800 mm facing S

Certificate 0009816521-01, issued 13 January 2025, from the council's DA documents.

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