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179 Cedar Springs Road Kangaroo Valley NSW 2577

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 2 kW of solar panels and a 100,000 litre rainwater tank. Its NatHERS certificate lists insulation in the external walls, ceiling and floor. It beat its BASIX energy and water targets, scoring 65 against 63 for energy and 57 against 40 for water.

Key features

Windows
30 windows and glazed doors: Composite B DG Argon Fill Low Solar Gain low-E
Wall insulation
R2.5
Roof and ceiling insulation
Ceiling R5, roof Corrugated Iron Steel Frame Bulk, Reflective Side Down, No Air Gap Above R1.3, dark colour
Hot water
Electric heat pump with a performance of 15 to 20 STCs or better
Air conditioning and heating
1-phase airconditioning, ducted (living area and bedroom)

BASIX certificate

Energy score
65 (target 63)
Water score
57 (target 40)
Thermal performance
Pass
Materials score
-100
Heating load
106 MJ/m² a year
Cooling load
14 MJ/m² a year
Bedrooms
6
Conditioned floor area
496.3 m²
Unconditioned floor area
2.9 m²
Site area
580,700 m²
Roof area
935 m²
Garden area
5,000 m²
Climate zone
NatHERS climate zone 24
Hot water
Electric heat pump with a performance of 15 to 20 STCs or better
Solar panels
2 kW
Rainwater tank
100,000 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 141.8 m², double glazing 141.8 m²

Heating

  • Living area: 1-phase airconditioning - ducted; Energy rating: EER 2.5 - 3.0
  • Bedroom: 1-phase airconditioning - ducted; Energy rating: EER 2.5 - 3.0

Cooling

  • Living area: 1-phase airconditioning - ducted; Energy rating: EER 2.5 - 3.0
  • Bedroom: 1-phase airconditioning - ducted; Energy rating: EER 2.5 - 3.0

Construction and insulation

  • Floor: concrete slab on ground, conventional slab (polystyrene)
  • Floor: suspended floor above enclosed subfloor, concrete - suspended; frame: light steel frame (fibreglass batts or roll)
  • External wall: framed (metal clad); frame: light steel frame. all external walls fibreglass batts or roll+ foil/sarking
  • Internal wall: plasterboard; frame: light steel frame (no added insulation)
  • Internal wall: plasterboard; frame: light steel frame (fibreglass batts or roll)
  • Ceiling and roof: flat ceiling / pitched roof, framed - metal roof, light steel frame (ceiling: fibreglass batts or roll; roof: foil/sarking.)
  • Ceiling and roof: raked ceiling / pitched or skillion roof, framed - metal roof, light steel frame (ceiling: fibreglass batts or roll; roof: foil/sarking.)

Certificate 1812349S_02, issued 10 September 2025, from the council's DA documents.

NatHERS certificate

Star rating
7.1 stars
Rated with
BERS Pro v5.2.3 (3.23)
Rated on
10 Sep 2025
Wall insulation
R2.5
Ceiling insulation
R5
Floor insulation
R2.5, R2, R1.5, R6
LED downlights
113
Living room glazing by direction
N 16.2 m², E 6.5 m², S 38.9 m²
All glazing by direction
N 54 m², E 6.5 m², S 81.4 m²

Roof

  • Corrugated Iron Steel Frame Bulk, Reflective Side Down, No Air Gap Above R1.3, dark colour

Window types

  • CMP-006-04 I Composite B DG Argon Fill Low Solar Gain low-E: U-value 2.2, SHGC 0.39

Window schedule

  • Kitchen/Living1, window CMP-006-04 I: 2,700 × 3,000 mm facing N
  • Kitchen/Living1, window CMP-006-04 I: 2,700 × 3,000 mm facing N
  • Kitchen/Living1, window CMP-006-04 I: 2,700 × 1,200 mm facing E
  • Kitchen/Living1, window CMP-006-04 I: 2,700 × 1,200 mm facing E
  • Kitchen/Living1, window CMP-006-04 I: 2,700 × 3,600 mm facing S
  • Kitchen/Living1, window CMP-006-04 I: 2,700 × 3,600 mm facing S
  • Kitchen/Living1, window CMP-006-04 I: 2,700 × 3,600 mm facing S
  • Kitchen/Living1, window CMP-006-04 I: 2,700 × 3,600 mm facing S
  • Laundry, window CMP-006-04 I: 2,700 × 1,000 mm facing S
  • Powder, window CMP-006-04 I: 1,800 × 750 mm facing N
  • Gym, window CMP-006-04 I: 2,700 × 3,600 mm facing S
  • Gym, window CMP-006-04 I: 2,700 × 3,000 mm facing N
  • Bath 6, window CMP-006-04 I: 600 × 1,450 mm facing S
  • Bed 6, window CMP-006-04 I: 2,700 × 1,640 mm facing N
  • Bed 6, window CMP-006-04 I: 2,700 × 1,640 mm facing S
  • Bed 5, window CMP-006-04 I: 2,700 × 1,640 mm facing N
  • Bed 5, window CMP-006-04 I: 2,700 × 1,640 mm facing S
  • Bath 4, window CMP-006-04 I: 600 × 1,450 mm facing S
  • Bath 5, window CMP-006-04 I: 600 × 1,450 mm facing N
  • Bed 4, window CMP-006-04 I: 2,700 × 1,640 mm facing N
  • Bed 4, window CMP-006-04 I: 2,700 × 1,640 mm facing S
  • Bed 3, window CMP-006-04 I: 2,700 × 1,640 mm facing N
  • Bed 3, window CMP-006-04 I: 2,700 × 1,640 mm facing S
  • Bath 3, window CMP-006-04 I: 600 × 1,450 mm facing S
  • Bath 2, window CMP-006-04 I: 600 × 1,450 mm facing N
  • Bed 2, window CMP-006-04 I: 2,700 × 1,640 mm facing N
  • Bed 2, window CMP-006-04 I: 2,700 × 1,640 mm facing S
  • Bed 1, window CMP-006-04 I: 2,700 × 1,640 mm facing N
  • Bed 1, window CMP-006-04 I: 2,700 × 1,640 mm facing S
  • Bath 1, window CMP-006-04 I: 600 × 1,450 mm facing S

Certificate 0012185690-02, issued 10 September 2025, from the council's DA documents. Verify this certificate

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