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45 Carinya Crescent Narrawallee NSW 2539

BASIX certificate and NatHERS rating

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This home has a NatHERS rating of 8.4 stars out of 10. Its BASIX certificate commits it to 6.6 kW of solar panels and a 4,000 litre rainwater tank. It beat its BASIX energy and water targets, scoring 100 against 69 for energy and 43 against 40 for water.

Key features

Windows
3 windows and glazed doors: IDEAL 4000 uPVC tilt-turn DGU; IDEAL 4000 uPVC Door DGU; Zendow Tilt and Turn Window
Wall insulation
All external walls none
Roof and ceiling insulation
Roof Added insulation absorptance Roof Colour ATTIC-METAL-01: Pitched / Attic Metal Roof (Roofspace) & Flat PB Ceiling 0.00, medium colour
Hot water
Electric heat pump

BASIX certificate

Energy score
100 (target 69)
Water score
43 (target 40)
Materials score
-75
Heating load
28 MJ/m² a year
Cooling load
7 MJ/m² a year
Bedrooms
3
Conditioned floor area
128.5 m²
Unconditioned floor area
13.3 m²
Site area
630 m²
Roof area
256 m²
Garden area
280 m²
Climate zone
NatHERS climate zone 18
Hot water
Electric heat pump
Solar panels
6.6 kW
Rainwater tank
4,000 litres
Fixtures
Showerheads 3 star, toilets 3 star, kitchen taps 3 star, basin taps 3 star
LED lighting
Yes
Cooktop
Induction
Clothes line
Yes
Maximum glazing
uPVC frames 42.4 m², aluminium frames 4.7 m², double glazing 47 m²

Construction and insulation

  • Floor: concrete slab on ground, waffle pod slab (polystyrene)
  • Garage floor: concrete slab on ground, waffle pod slab (polystyrene)
  • External wall: hempcrete blocks; frame: light steel frame. all external walls none
  • Internal wall: plasterboard; frame: timber - H2 treated softwood (polyester)
  • Ceiling and roof: raked ceiling / pitched or skillion roof, framed - metal roof, laminated veneer lumber (LVL) (ceiling: polyester ; roof: not specified.)

Certificate 1807904S_02, issued 12 May 2026, from the council's DA documents.

NatHERS certificate

Star rating
8.4 stars
Rated with
Hero 4.1
Rated on
11 May 2026
Living room glazing by direction
N 8.6 m²
All glazing by direction
N 10.3 m², S 1.9 m²

Roof

  • Added insulation absorptance Roof Colour ATTIC-METAL-01: Pitched / Attic Metal Roof (Roofspace) & Flat PB Ceiling 0.00, medium colour
  • FLAT-02: Flat Framed / Skillion Metal Roof & Cathedral PB Ceiling (11°-33°) 0.00, medium colour

Window types

  • ALU-008-356 IDEAL 4000 uPVC tilt-turn DGU: U-value 1.5, SHGC 0.31
  • ALU-020-347 IDEAL 4000 uPVC Door DGU: U-value 1.5, SHGC 0.39
  • DEC-005-011 Zendow Tilt and Turn Window: U-value 1.4, SHGC 0.29

Window schedule

  • Turn 45 S None Garage, window ALU-020-347: 2,066 × 850 mm facing N
  • Turn 20 N None Kit/Din/Lounge, window ALU-020-347: 2,374 × 3,600 mm facing N
  • Laundry, window ALU-020-347: 2,066 × 900 mm facing S

Certificate HR-ASBCCY-01, issued 11 May 2026, from the council's DA documents. Verify this certificate

Other certificates for this address

BASIX certificate, certificate 1807904S, issued 11 August 2025

BASIX certificate

Energy score
100 (target 69)
Water score
41 (target 40)
Thermal performance
Pass
Materials score
-56
Heating load
22 MJ/m² a year
Cooling load
6 MJ/m² a year
Bedrooms
3
Conditioned floor area
159.1 m²
Unconditioned floor area
14.1 m²
Site area
630 m²
Roof area
256 m²
Garden area
267 m²
Climate zone
NatHERS climate zone 18
Hot water
Electric heat pump
Solar panels
6.6 kW
Rainwater tank
4,000 litres
Fixtures
Showerheads 3 star, toilets 3 star, kitchen taps 3 star, basin taps 3 star
LED lighting
Yes
Cooktop
Induction
Clothes line
Yes
Maximum glazing
uPVC frames 44.6 m², aluminium frames 3 m², double glazing 47.6 m²

Construction and insulation

  • Floor: concrete slab on ground, waffle pod slab (polystyrene)
  • Floor: above habitable rooms or mezzanine, particle board; frame: laminated veneer lumber (LVL) (polyester)
  • Garage floor: concrete slab on ground, waffle pod slab (polystyrene)
  • External wall: hempcrete blocks; frame: light steel frame. all external walls none
  • Internal wall: single skin masonry; frame: no frame (no added insulation)
  • Internal wall: plasterboard; frame: timber - H2 treated softwood (polyester)
  • Ceiling and roof: raked ceiling / pitched or skillion roof, framed - metal roof, laminated veneer lumber (LVL) (ceiling: polyester ; roof: not specified.)

Certificate 1807904S, issued 11 August 2025, from the council's DA documents.

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