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9 Cairo Street South Coogee NSW 2034

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BASIX certificate and NatHERS rating

This home has a NatHERS rating of 7.1 stars out of 10. Its BASIX certificate commits it to 3 kW of solar panels and a 10,000 litre rainwater tank. Its NatHERS certificate lists insulation in the external walls, ceiling and floor. It beat its BASIX energy and water targets, scoring 75 against 72 for energy and 41 against 40 for water.

Key features

Windows
35 windows and glazed doors: Aluminium Hinged Door DG 6Clr/12Ar/6PbAS2; Aluminium Fixed Window DG 4Clr/12Ar/4PbAS2; Aluminium Double Hung Window DG 4Clr/12Ar/4PbAs2 and 2 more types
Wall insulation
R2.1, R1.2, R1.7
Roof and ceiling insulation
Ceiling R2, roof Waterproofing Membrane No Added Insulation, No air Gap, medium colour
Hot water
Gas instantaneous with a performance of 5 stars
Air conditioning and heating
3-phase airconditioning (living area and bedroom)

BASIX certificate

Energy score
75 (target 72)
Water score
41 (target 40)
Thermal performance
Pass
Materials score
-100
Heating load
18 MJ/m² a year
Cooling load
11 MJ/m² a year
Bedrooms
4
Conditioned floor area
239.1 m²
Unconditioned floor area
37.8 m²
Site area
370 m²
Roof area
170 m²
Garden area
50 m²
Climate zone
NatHERS climate zone 56
Hot water
Gas instantaneous with a performance of 5 stars
Solar panels
3 kW
Rainwater tank
10,000 litres
Fixtures
Showerheads 4 star, toilets 4 star, kitchen taps 4 star, basin taps 4 star
LED lighting
Yes
Cooktop
Induction
Clothes line
Yes
Maximum glazing
aluminium frames 155.2 m², double glazing 155.2 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 (polystyrene)
  • Floor: suspended floor above open subfloor, concrete - suspended; frame: no frame (polystyrene)
  • Floor: above habitable rooms or mezzanine, concrete - suspended; frame: no frame (fibreglass batts or roll)
  • Floor: suspended floor above garage, concrete - suspended; frame: no frame (fibreglass batts or roll)
  • Garage floor: concrete slab on ground (no added insulation)
  • External wall: cavity brick; frame: no frame (foil-foam composite board)
  • External wall: mudbrick or rammed earth; frame: no frame (no added insulation)
  • External garage wall: cavity brick; frame: no frame (foil-foam composite board)
  • Internal wall: single skin masonry; frame: no frame (no added insulation)
  • Internal wall: mud brick or rammed earth; frame: no frame (no added insulation)
  • Ceiling and roof: flat ceiling / flat roof, concrete - bare internal, no frame (ceiling: fibreglass batts or roll; roof: not specified.)

Certificate 1814994S_02, issued 29 September 2025, from the council's DA documents.

NatHERS certificate

Star rating
7.1 stars
Rated with
BERS Pro v5.2.6 (3.23)
Rated on
29 Sep 2025
Wall insulation
R2.1, R1.2, R1.7
Ceiling insulation
R2
Floor insulation
R1.1, R2.05, R1.99, R2.50, R2.1, R1.2, R1.7, R2, R2.3
LED downlights
56
Living room glazing by direction
N 22 m², E 15.7 m², S 13.1 m², W 14.4 m²
All glazing by direction
N 55.2 m², E 43.1 m², S 37.6 m², W 19.3 m²

Roof

  • Waterproofing Membrane No Added Insulation, No air Gap, medium colour

Window types

  • WID-122-030 Aluminium Hinged Door DG 6Clr/12Ar/6PbAS2: U-value 3.2, SHGC 0.38
  • WID-106-028 Aluminium Fixed Window DG 4Clr/12Ar/4PbAS2: U-value 2.1, SHGC 0.54
  • WID-120-020 Aluminium Double Hung Window DG 4Clr/12Ar/4PbAs2: U-value 3.4, SHGC 0.43
  • WID-104-026 Aluminium Sliding Door DG 4Clr/12Ar/4PbAS2: U-value 2.7, SHGC 0.51
  • WID-102-028 Aluminium Sliding Window DG 4Clr/12Ar/4PbAS2: U-value 3.1, SHGC 0.47

Window schedule

  • Kitchen/Living1, window WID-122-030: 2,900 × 1,500 mm facing N
  • Kitchen/Living1, window WID-106-028: 3,400 × 2,600 mm facing W
  • Kitchen/Living1, window WID-122-030: 3,400 × 1,200 mm facing N
  • Kitchen/Living1, window WID-106-028: 3,400 × 1,200 mm facing N
  • Kitchen/Living1, window WID-122-030: 3,400 × 1,200 mm facing N
  • Kitchen/Living1, window WID-106-028: 3,400 × 800 mm facing N
  • Kitchen/Living1, window WID-106-028: 3,400 × 800 mm facing N
  • Kitchen/Living1, window WID-106-028: 3,400 × 1,200 mm facing E
  • Kitchen/Living1, window WID-106-028: 840 × 3,430 mm facing E
  • Kitchen/Living1, window WID-120-020: 2,900 × 1,200 mm facing E
  • Kitchen/Living1, window WID-106-028: 2,900 × 800 mm facing E
  • Kitchen/Living1, window WID-106-028: 2,900 × 1,000 mm facing E
  • Kitchen/Living1, window WID-104-026: 2,900 × 4,500 mm facing S
  • Kitchen/Living1, window WID-106-028: 2,900 × 1,900 mm facing W
  • Stairs G, window WID-106-028: 2,900 × 2,300 mm facing S
  • WC, window WID-106-028: 2,900 × 2,300 mm facing N
  • Laundry, window WID-120-020: 2,900 × 600 mm facing S
  • Laundry, window WID-122-030: 2,900 × 900 mm facing S
  • Study / Hall, window WID-106-028: 2,600 × 1,900 mm facing W
  • Stair Void, window WID-106-028: 2,600 × 1,600 mm facing S
  • Upper Stairs, window WID-106-028: 2,600 × 700 mm facing S
  • Master Bed, window WID-104-026: 2,700 × 7,600 mm facing N
  • Master Bed, window WID-106-028: 2,700 × 300 mm facing E
  • Master Bed, window WID-106-028: 2,700 × 800 mm facing E
  • Master WIR, window WID-120-020: 2,700 × 1,000 mm facing E
  • Master Ensuite, window WID-120-020: 2,000 × 900 mm facing E
  • Master Ensuite, window WID-106-028: 2,000 × 300 mm facing E
  • Study Void, window WID-106-028: 2,700 × 3,200 mm facing E
  • Bedroom 1, window WID-120-020: 1,800 × 1,500 mm facing E
  • Bath 1, window WID-120-020: 1,600 × 1,500 mm facing E
  • Bedroom 2, window WID-102-028: 2,700 × 1,200 mm facing E
  • Bedroom 2, window WID-102-028: 2,700 × 1,400 mm facing S
  • Bath 2, window WID-120-020: 1,600 × 1,500 mm facing E
  • Bedroom 3, window WID-102-028: 2,700 × 1,400 mm facing S
  • Bath 3, window WID-106-028: 2,600 × 2,300 mm facing N

Certificate 0012254702-01, issued 29 September 2025, from the council's DA documents. Verify this certificate

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