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6045 Illawarra Highway Avoca NSW 2577

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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 1 kW of solar panels and a 5,000 litre rainwater tank. Its NatHERS certificate lists insulation in the external walls, ceiling and floor. It beat its BASIX energy and water targets, scoring 72 against 63 for energy and 41 against 40 for water.

Key features

Windows
32 windows and glazed doors: Thermally Broken Aluminium Sliding Window DG LB Clr 4/12/4; Thermally Broken Aluminium Fixed Window DG LB Clr 4/12/4; Thermally Broken Aluminium Sliding Door DG LB Clr 4/12/4 and 2 more types
Wall insulation
R2.7
Roof and ceiling insulation
Ceiling R5, R6, roof Waterproofing Membrane No Added Insulation, No air Gap, medium colour
Hot water
Electric heat pump with a performance of 15 to 20 STCs or better
Air conditioning and heating
Heat pump hydronic system (living area and bedroom)

BASIX certificate

Energy score
72 (target 63)
Water score
41 (target 40)
Thermal performance
Pass
Materials score
-70
Heating load
95 MJ/m² a year
Cooling load
26 MJ/m² a year
Bedrooms
5
Conditioned floor area
273.7 m²
Unconditioned floor area
29.2 m²
Site area
1,127,000 m²
Roof area
240 m²
Garden area
500 m²
Climate zone
NatHERS climate zone 24
Hot water
Electric heat pump with a performance of 15 to 20 STCs or better
Solar panels
1 kW
Rainwater tank
5,000 litres
Fixtures
Showerheads 3 star, toilets 4 star, kitchen taps 4 star, basin taps 4 star
LED lighting
Yes
Cooktop
Gas
Clothes line
Yes
Maximum glazing
aluminium frames 111.9 m², double glazing 111.9 m²

Heating

  • Living area: heat pump hydronic system; Energy rating: n/a
  • Bedroom: heat pump hydronic system; Energy rating: n/a

Construction and insulation

  • Floor: concrete slab on ground, conventional slab (polystyrene)
  • Floor: suspended floor above open subfloor, concrete - suspended; frame: light steel frame (fibreglass batts or roll)
  • Floor: above habitable rooms or mezzanine, concrete - suspended; frame: light steel frame (fibreglass batts or roll)
  • External wall: brick veneer; frame: light steel frame (fibreglass batts or roll+ foil/sarking)
  • External wall: framed (fibre cement sheet or boards); frame: light steel frame (fibreglass batts or roll+ foil/sarking)
  • External wall: framed (metal clad); frame: light steel frame (fibreglass batts or roll+ foil/sarking)
  • Internal wall: plasterboard; frame: light steel frame (fibreglass batts or roll)
  • Internal wall: plasterboard; frame: light steel frame (no added insulation)
  • Ceiling and roof: flat ceiling / pitched roof, framed - metal roof, light steel frame (ceiling: fibreglass batts or roll; roof: foil backed blanket.)
  • Ceiling and roof: raked ceiling / pitched or skillion roof, framed - metal roof, light steel frame (ceiling: fibreglass batts or roll; roof: foil backed blanket.)

Certificate 1790222S_02, issued 3 April 2025, from the council's DA documents.

NatHERS certificate

Star rating
7 stars
Rated with
BERS Pro v5.2.3 (3.23)
Rated on
03 Apr 2025
Wall insulation
R2.7
Ceiling insulation
R5, R6
Floor insulation
R2.7, R2, R3, R6
LED downlights
68
Living room glazing by direction
N 9.3 m², E 19.5 m², S 7.6 m²
All glazing by direction
N 19.4 m², E 38.9 m², S 24.7 m², W 28.9 m²

Roof

  • Waterproofing Membrane No Added Insulation, No air Gap, medium colour
  • Corrugated Iron Steel Frame Bulk, Reflective Side Down, No Air Gap Above R1.3, dark colour

Window types

  • DOW-022-007 Thermally Broken Aluminium Sliding Window DG LB Clr 4/12/4: U-value 2, SHGC 0.51
  • DOW-023-007 Thermally Broken Aluminium Fixed Window DG LB Clr 4/12/4: U-value 1.7, SHGC 0.51
  • DOW-025-008 Thermally Broken Aluminium Sliding Door DG LB Clr 4/12/4: U-value 1.9, SHGC 0.49
  • DOW-017-008 Aluminium French Door DG LB Clr 4/12/4: U-value 3.3, SHGC 0.45
  • DOW-021-008 Thermally Broken Aluminium Awning Window DG LB Clr 4/12/4: U-value 1.9, SHGC 0.44

Window schedule

  • Laundry, window DOW-022-007: 600 × 1,800 mm facing S
  • Bath, window DOW-022-007: 600 × 1,800 mm facing S
  • Bed 5, window DOW-022-007: 600 × 3,010 mm facing S
  • Kitchen/Living1, window DOW-023-007: 2,400 × 1,200 mm facing S
  • Kitchen/Living1, window DOW-023-007: 2,400 × 1,200 mm facing S
  • Kitchen/Living1, window DOW-022-007: 600 × 3,010 mm facing S
  • Kitchen/Living1, window DOW-023-007: 2,400 × 2,700 mm facing E
  • Kitchen/Living1, window DOW-025-008: 2,400 × 2,670 mm facing N
  • Kitchen/Living1, window DOW-023-007: 2,400 × 1,200 mm facing N
  • Kitchen/Living1, window DOW-025-008: 2,400 × 4,000 mm facing E
  • Kitchen/Living1, window DOW-023-007: 891 × 1,920 mm facing E
  • Kitchen/Living1, window DOW-023-007: 891 × 1,920 mm facing E
  • Hall/pdr, window DOW-025-008: 2,400 × 2,670 mm facing E
  • Entry, window DOW-017-008: 2,400 × 1,200 mm facing W
  • Bath 2, window DOW-021-008: 2,375 × 410 mm facing S
  • Bath 2, window DOW-023-007: 2,375 × 1,200 mm facing S
  • Bed 3, window DOW-025-008: 2,400 × 4,000 mm facing W
  • Bed 3, window DOW-023-007: 891 × 1,920 mm facing W
  • Bed 3, window DOW-023-007: 891 × 1,920 mm facing W
  • Bed 4, window DOW-025-008: 2,400 × 4,000 mm facing W
  • Bed 4, window DOW-023-007: 891 × 1,920 mm facing W
  • Bed 4, window DOW-023-007: 891 × 1,920 mm facing W
  • Bed 2, window DOW-022-007: 1,500 × 2,110 mm facing N
  • Ens, window DOW-021-008: 2,375 × 410 mm facing N
  • Ens, window DOW-021-008: 2,375 × 410 mm facing N
  • Ens, window DOW-023-007: 2,375 × 1,500 mm facing N
  • Master, window DOW-022-007: 600 × 2,410 mm facing N
  • Master, window DOW-025-008: 2,400 × 4,000 mm facing E
  • Master, window DOW-023-007: 891 × 1,920 mm facing E
  • Master, window DOW-023-007: 891 × 1,920 mm facing E
  • Master, window DOW-025-008: 2,400 × 2,670 mm facing S
  • Master, window DOW-023-007: 2,400 × 1,200 mm facing S

Certificate 0011832839, issued 3 April 2025, from the council's DA documents. Verify this certificate

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