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1 The Bowery Culburra Beach NSW 2540

BASIX certificate and NatHERS rating

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This home has a NatHERS rating of 7.1 stars out of 10. Its BASIX certificate commits it to 15 kW of solar panels and a 5,000 litre rainwater tank. It beat its BASIX energy and water targets, scoring 100 against 69 for energy and 41 against 40 for water.

Key features

Windows
13 windows and glazed doors: RESIDENTIAL SERIES 549 ENTRY DOOR - SINGLE GLAZED; ARCHITECTURAL SERIES 410/411/412 BI-FOLD DOOR - SINGLE GLAZED; ARCHITECTURAL SERIES 462 SLIDING WINDOW and 2 more types
Wall insulation
Fibreglass batts or roll
Roof and ceiling insulation
Roof Added insulation absorptance Roof Colour ATTIC-METAL-01: Pitched / Attic Metal Roof (Roofspace) & Flat PB Ceiling 1.80, dark colour
Hot water
Electric boosted solar
Air conditioning and heating
3-phase airconditioning (living area and bedroom)

BASIX certificate

Energy score
100 (target 69)
Water score
41 (target 40)
Thermal performance
Pass
Materials score
-41
Heating load
40 MJ/m² a year
Cooling load
20 MJ/m² a year
Bedrooms
4
Conditioned floor area
188.8 m²
Unconditioned floor area
16.5 m²
Site area
1,100 m²
Roof area
351 m²
Garden area
330 m²
Climate zone
NatHERS climate zone 18
Hot water
Electric boosted solar
Solar panels
15 kW
Rainwater tank
5,000 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 32.2 m², single glazing 32.2 m²

Heating

  • Living area: 3-phase airconditioning; Energy rating: EER 3.0 - 3.5
  • Bedroom: 3-phase airconditioning; Energy rating: EER 3.0 - 3.5

Cooling

  • Living area: 3-phase airconditioning; Energy rating: EER 3.0 - 3.5
  • Bedroom: 3-phase airconditioning; Energy rating: EER 3.0 - 3.5

Construction and insulation

  • Floor: concrete slab on ground, conventional slab (no added insulation)
  • Floor: suspended floor above enclosed subfloor, treated softwood; frame: timber - H2 treated softwood (fibreglass batts or roll+ foil/sarking)
  • Garage floor: concrete slab on ground (no added insulation)
  • External wall: brick veneer; frame: timber - H2 treated softwood (fibreglass batts or roll)
  • External wall: framed (solid or reconstituted timber weatherboard); frame: timber - H2 treated softwood (fibreglass batts or roll)
  • External garage wall: brick veneer; frame: timber - H2 treated softwood (rockwool batts, roll or pump-in)
  • 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: fibreglass batts or roll; roof: foil backed blanket.)

Certificate 1791571S, issued 11 April 2025, from the council's DA documents.

NatHERS certificate

Star rating
7.1 stars
Rated with
Hero 4.1
Rated on
11 Apr 2025
Living room glazing by direction
N 12.7 m², E 1.9 m², S 2.5 m², W 2.6 m²
All glazing by direction
N 19.3 m², E 3.6 m², S 4.6 m², W 4.8 m²

Roof

  • Added insulation absorptance Roof Colour ATTIC-METAL-01: Pitched / Attic Metal Roof (Roofspace) & Flat PB Ceiling 1.80, dark colour

Window types

  • AWS-018-018 RESIDENTIAL SERIES 549 ENTRY DOOR - SINGLE GLAZED: U-value 4.41, SHGC 0.46
  • AWS-029-020 ARCHITECTURAL SERIES 410/411/412 BI-FOLD DOOR - SINGLE GLAZED: U-value 4.58, SHGC 0.37
  • AWS-030-004 ARCHITECTURAL SERIES 462 SLIDING WINDOW: U-value 4.32, SHGC 0.54
  • AWS-131-025 Series 759 Tall Rail Sliding Door: U-value 3.98, SHGC 0.59
  • BRZ-006-008 Easyscreen Altair Louvre: U-value 4.29, SHGC 0.47

Window schedule

  • Bath, window BRZ-006-008: 600 × 1,600 mm facing S
  • Bedroom 1, window AWS-131-025: 2,100 × 2,700 mm facing N
  • Bedroom 2, window AWS-030-004: 600 × 1,800 mm facing S
  • Bedroom 3, window AWS-030-004: 600 × 1,810 mm facing W
  • Bedroom 4, window AWS-030-004: 600 × 1,810 mm facing W
  • ENS 1, window BRZ-006-008: 600 × 1,500 mm facing N
  • Kitchen/Living, window AWS-030-004: 600 × 2,170 mm facing W
  • Kitchen/Living, window AWS-030-004: 600 × 2,170 mm facing W
  • Kitchen/Living, window AWS-131-025: 2,100 × 5,200 mm facing N
  • Kitchen/Living, window AWS-029-020: 1,200 × 1,500 mm facing N
  • Kitchen/Living, window AWS-018-018: 2,100 × 1,200 mm facing S
  • Kitchen/Living, window AWS-030-004: 900 × 2,100 mm facing E
  • Laundry, window AWS-018-018: 2,040 × 820 mm facing E

Certificate HR-7C6U19-01, issued 11 April 2025, from the council's DA documents. Verify this certificate

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