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4 336 Tweed Valley Way Wooyung NSW 2483

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BASIX certificate and NatHERS rating

This home has a NatHERS rating of 5.6 stars out of 10. Its BASIX certificate commits it to 4.2 kW of solar panels and a 20,000 litre rainwater tank. It beat its BASIX energy and water targets, scoring 99 against 68 for energy and 57 against 40 for water.

Key features

Windows
34 windows and glazed doors: Aluminium B DG Air Fill High Solar Gain low-E -Clear
Wall insulation
Fibreglass batts or roll+ foil/sarking; Polyurethane
Roof and ceiling insulation
Roof Added insulation absorptance Roof Colour ATTIC-METAL-01: Pitched / Attic Metal Roof (Roofspace) & Flat PB Ceiling 1.30, light colour
Hot water
Electric heat pump with a performance of 31 to 35 STCs or better
Air conditioning and heating
1-phase airconditioning, ducted (living area and bedroom); Wood heater (living area)

BASIX certificate

Energy score
99 (target 68)
Water score
57 (target 40)
Thermal performance
Pass
Materials score
-89
Heating load
11 MJ/m² a year
Cooling load
47 MJ/m² a year
Bedrooms
4
Conditioned floor area
255.6 m²
Unconditioned floor area
19 m²
Site area
12,930 m²
Roof area
262 m²
Garden area
150 m²
Climate zone
NatHERS climate zone 10
Hot water
Electric heat pump with a performance of 31 to 35 STCs or better
Solar panels
4.2 kW
Rainwater tank
20,000 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 175.1 m², double glazing 175.1 m²

Heating

  • Living area: wood heater; Energy rating: n/a
  • Bedroom: 1-phase airconditioning - ducted; Energy rating: 4 Star (old label)

Cooling

  • Living area: 1-phase airconditioning - ducted; Energy rating: 4 Star (old label)
  • Bedroom: 1-phase airconditioning - ducted; Energy rating: 4 Star (old label)

Construction and insulation

  • Floor: concrete slab on ground, conventional slab (not specified)
  • Floor: suspended floor above open subfloor, concrete - suspended; frame: no frame (not specified)
  • Floor: above habitable rooms or mezzanine, concrete - suspended; frame: no frame (not specified)
  • External wall: framed (fibre cement sheet or boards); frame: timber - H2 treated softwood (fibreglass batts or roll+ foil/sarking)
  • External wall: concrete block/plasterboard; frame: no frame (polyurethane)
  • Internal wall: plasterboard; frame: timber - H2 treated softwood (no added insulation)
  • Internal wall: single skin masonry; frame: no frame (not specified)
  • Ceiling and roof: flat ceiling / pitched roof, framed - metal roof, timber - H2 treated softwood (ceiling: fibreglass batts or roll; roof: foil backed blanket.)

Certificate 1797253S, issued 27 May 2025, from the council's DA documents.

NatHERS certificate

Star rating
5.6 stars
Rated with
Hero 4.1
Rated on
27 May 2025
Living room glazing by direction
N 36 m², E 4.5 m², S 7.2 m², W 9.8 m²
All glazing by direction
N 54.8 m², E 24.7 m², S 26.6 m², W 35 m²

Roof

  • Added insulation absorptance Roof Colour ATTIC-METAL-01: Pitched / Attic Metal Roof (Roofspace) & Flat PB Ceiling 1.30, light colour

Window types

  • ALM-004-03 A Aluminium B DG Air Fill High Solar Gain low-E -Clear: U-value 4.3, SHGC 0.53

Window schedule

  • Bathroom, window ALM-004-03 A: 2,400 × 1,200 mm facing W
  • Bathroom, window ALM-004-03 A: 2,400 × 600 mm facing W
  • Bedroom 01, window ALM-004-03 A: 2,400 × 600 mm facing W
  • Bedroom 01, window ALM-004-03 A: 2,400 × 1,500 mm facing W
  • Bedroom 02, window ALM-004-03 A: 2,400 × 600 mm facing W
  • Bedroom 02, window ALM-004-03 A: 2,400 × 1,480 mm facing W
  • Bedroom 03, window ALM-004-03 A: 2,400 × 2,400 mm facing E
  • Ensuite, window ALM-004-03 A: 2,400 × 1,200 mm facing W
  • Ensuite, window ALM-004-03 A: 2,400 × 600 mm facing W
  • Ensuite, window ALM-004-03 A: 2,400 × 1,200 mm facing W
  • Ensuite 03, window ALM-004-03 A: 2,400 × 600 mm facing S
  • Entry, window ALM-004-03 A: 2,400 × 600 mm facing N
  • Entry, window ALM-004-03 A: 2,160 × 1,200 mm facing S
  • Entry 2, window ALM-004-03 A: 600 × 900 mm facing N
  • Entry Hall, window ALM-004-03 A: 2,400 × 4,600 mm facing S
  • Entry Hall, window ALM-004-03 A: 2,400 × 4,600 mm facing N
  • Hallway 03, window ALM-004-03 A: 2,400 × 2,400 mm facing E
  • Kitchen/Living, window ALM-004-03 A: 2,000 × 2,400 mm facing W
  • Kitchen/Living, window ALM-004-03 A: 3,000 × 1,500 mm facing N
  • Kitchen/Living, window ALM-004-03 A: 3,000 × 4,500 mm facing N
  • Kitchen/Living, window ALM-004-03 A: 3,000 × 4,500 mm facing N
  • Kitchen/Living, window ALM-004-03 A: 3,000 × 1,500 mm facing N
  • Kitchen/Living, window ALM-004-03 A: 3,000 × 1,500 mm facing E
  • Kitchen/Living, window ALM-004-03 A: 2,400 × 3,000 mm facing S
  • Laundry, window ALM-004-03 A: 1,200 × 600 mm facing W
  • Long Hallway, window ALM-004-03 A: 2,400 × 1,200 mm facing E
  • Long Hallway, window ALM-004-03 A: 2,400 × 1,200 mm facing E
  • Master Bedroom, window ALM-004-03 A: 2,400 × 600 mm facing S
  • Master Bedroom, window ALM-004-03 A: 2,400 × 1,200 mm facing S
  • Master Bedroom, window ALM-004-03 A: 2,400 × 2,400 mm facing N
  • Rumpus, window ALM-004-03 A: 2,400 × 1,500 mm facing W
  • Rumpus, window ALM-004-03 A: 2,400 × 600 mm facing W
  • Sauna, window ALM-004-03 A: 2,400 × 1,200 mm facing E
  • WIR, window ALM-004-03 A: 2,400 × 1,200 mm facing W

Certificate HR-B06YD4-03, issued 27 May 2025, from the council's DA documents. Verify this certificate

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