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27 Wimbledon Avenue North Narrabeen NSW 2101

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 3 kW of solar panels and a 3,000 litre rainwater tank. Its NatHERS certificate lists insulation in the external walls, ceiling and floor. It beat its BASIX energy and water targets, scoring 87 against 72 for energy and 41 against 40 for water.

Key features

Windows
20 windows and glazed doors
Wall insulation
R2.7
Roof and ceiling insulation
Ceiling R2.5, R2, roof Corrugated Iron Timber Frame Bulk, Reflective Side Down, No Air Gap Above R1.3, light 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
87 (target 72)
Water score
41 (target 40)
Thermal performance
Pass
Materials score
-1
Heating load
17 MJ/m² a year
Cooling load
12 MJ/m² a year
Bedrooms
4
Conditioned floor area
217.4 m²
Unconditioned floor area
47.8 m²
Site area
715 m²
Roof area
290 m²
Garden area
393 m²
Climate zone
NatHERS climate zone 56
Hot water
Gas instantaneous with a performance of 5 stars
Solar panels
3 kW
Rainwater tank
3,000 litres
Fixtures
Showerheads 4 star, toilets 4 star, kitchen taps 4 star, basin taps 4 star
LED lighting
Yes
Cooktop
Gas
Clothes line
Yes
Maximum glazing
aluminium frames 71.1 m², single glazing 47.2 m², double glazing 23.9 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: suspended floor above enclosed subfloor, treated softwood; frame: timber - H2 treated softwood (fibreglass batts or roll)
  • Garage floor: concrete - suspended; frame: no frame (no added insulation)
  • External wall: framed (fibre cement sheet or boards); frame: timber - H2 treated softwood. all external walls fibreglass batts or roll+ foil/sarking
  • External garage wall: framed (fibre cement sheet or boards); frame: please select (not specified)
  • Internal wall: plasterboard; frame: timber - H2 treated softwood (no added insulation)
  • Internal wall: plasterboard; frame: timber - H2 treated softwood (fibreglass batts or roll)
  • Ceiling and roof: flat ceiling / pitched roof, framed - metal roof, timber - H2 treated softwood (ceiling: fibreglass batts or roll; roof: foil backed blanket.)
  • Ceiling and roof: raked ceiling / pitched or skillion roof, framed - metal roof, timber - H2 treated softwood (ceiling: fibreglass batts or roll; roof: foil backed blanket.)

Certificate 1763913S, issued 11 September 2024, from the council's DA documents.

NatHERS certificate

Star rating
7.1 stars
Rated with
BERS Pro v5.2.2 (3.23)
Rated on
11 Sep 2024
Wall insulation
R2.7
Ceiling insulation
R2.5, R2
Floor insulation
R2.7, R2.5
Living room glazing by direction
N 5.4 m², E 18.2 m²
All glazing by direction
N 21.4 m², E 27 m², S 9.5 m², W 13.2 m²

Roof

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

Window schedule

  • Bedroom 1 TIM-002-03 W W14: 2,160 × 1,500 mm facing W
  • Bedroom 2 WID-129-024-004 W12: 1,260 × 1,800 mm facing S
  • Bedroom 2 TIM-002-03 W W13: 2,160 × 1,500 mm facing W
  • Hall 2 TIM-002-03 W D01: 2,160 × 1,500 mm facing W
  • Hall 2 WID-131-007-002 W03: 1,710 × 1,500 mm facing E
  • Hall 2 PAR-003-003-001 W23: 2,443 × 4,700 mm facing N
  • Bathroom WID-129-024-004 W11: 900 × 1,200 mm facing S
  • Bathroom 2 WID-129-024-004 W10: 900 × 1,200 mm facing S
  • Laundry WID-129-024-004 W9: 900 × 600 mm facing S
  • Kitchen/Living1 WID-129-024-004 W5: 1,490 × 1,800 mm facing N
  • Kitchen/Living1 WID-129-024-004 W6: 1,490 × 1,800 mm facing N
  • Kitchen/Living1 PAR-003-003-001 W7: 2,400 × 5,180 mm facing E
  • Kitchen/Living1 WID-131-007-002 W8: 860 × 6,755 mm facing E
  • Bedroom 3 WID-129-024-004 W21: 1,260 × 1,800 mm facing S
  • Bedroom 3 WID-129-024-004 W15: 961 × 1,800 mm facing W
  • Landing WID-129-024-004 W20: 1,260 × 1,800 mm facing S
  • Master Bed WID-129-024-004 W17: 1,260 × 1,800 mm facing N
  • Master Bed WID-129-024-004 W18: 1,260 × 1,800 mm facing N
  • Master Bed WID-129-024-004 W19: 1,670 × 3,720 mm facing E
  • Ensuite WID-129-024-004 W16: 961 × 1,800 mm facing W

Certificate 0009748690, issued 11 September 2024, from the council's DA documents. Verify this certificate

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