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41 Nowra Road Currarong NSW 2540

BASIX certificate and NatHERS rating

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This home has a NatHERS rating of 7 stars out of 10. Its BASIX certificate commits it to a 5,000 litre rainwater tank. Its NatHERS certificate lists insulation in the external walls, ceiling and floor. It beat its BASIX energy and water targets, scoring 70 against 69 for energy and 43 against 40 for water.

Key features

Windows
36 windows and glazed doors: Timber A DG Air Fill Clear-Clear; Aluminium Double Hung Window DG LB Clr 4/12/4; Aluminium Sliding Window DG LB Clr 4/12/4 and 4 more types
Wall insulation
R2.7
Roof and ceiling insulation
Ceiling R7, R4, R6, roof Corrugated Iron Timber Frame Bulk, Reflective Side Down, No Air Gap Above R1.3, light colour
Hot water
Electric heat pump with a performance of 21 to 25 STCs or better
Air conditioning and heating
1-phase airconditioning, ducted (living area and bedroom)

Built by D T Holmes.

BASIX certificate

Energy score
70 (target 69)
Water score
43 (target 40)
Thermal performance
Pass
Materials score
-45
Heating load
51 MJ/m² a year
Cooling load
9 MJ/m² a year
Bedrooms
4
Conditioned floor area
271.5 m²
Unconditioned floor area
11.4 m²
Site area
696 m²
Roof area
296 m²
Garden area
325 m²
Climate zone
NatHERS climate zone 18
Hot water
Electric heat pump with a performance of 21 to 25 STCs or better
Rainwater tank
5,000 litres
Fixtures
Showerheads 3 star, toilets 4 star, kitchen taps 5 star, basin taps 5 star
LED lighting
Yes
Cooktop
Induction
Clothes line
Yes
Maximum glazing
aluminium frames 70 m², timber frames 3.4 m², single glazing 3 m², double glazing 70.4 m²

Heating

  • Living area: 1-phase airconditioning - ducted; Energy rating: 4 star (cold zone)
  • Bedroom: 1-phase airconditioning - ducted; Energy rating: 4 star (cold zone)

Cooling

  • Living area: 1-phase airconditioning - ducted; Energy rating: 4 star (cold zone)
  • Bedroom: 1-phase airconditioning - ducted; Energy rating: 4 star (cold zone)

Construction and insulation

  • Floor: concrete slab on ground, waffle pod slab (no added insulation)
  • Floor: above habitable rooms or mezzanine, treated softwood; frame: timber - H2 treated softwood (no added insulation)
  • Floor: suspended floor above garage, treated softwood; frame: timber - H2 treated softwood (fibreglass batts or roll)
  • Garage floor: concrete slab on ground, waffle pod slab (no added insulation)
  • External wall: framed (fibre cement sheet or boards); frame: timber - H2 treated softwood (fibreglass batts or roll)
  • External wall: reverse brick veneer; frame: timber - H2 treated softwood (fibreglass batts or roll)
  • External garage wall: framed (fibre cement sheet or boards); frame: timber - H2 treated softwood (fibreglass batts or roll)
  • 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 1806579S_03, issued 3 September 2025, from the council's DA documents.

NatHERS certificate

Star rating
7 stars
Rated with
BERS Pro v5.2.6 (3.23)
Rated on
03 Sep 2025
Wall insulation
R2.7
Ceiling insulation
R7, R4, R6
Floor insulation
R0.08, R2.7, R2.5, R4
LED downlights
55
Living room glazing by direction
N 23.8 m², E 1.4 m², S 8.2 m², W 4 m²
All glazing by direction
N 30.5 m², E 9.5 m², S 22.5 m², W 10.8 m²

Roof

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

Window types

  • TIM-003-01 W Timber A DG Air Fill Clear-Clear: U-value 3, SHGC 0.48
  • AWS-031-047 Aluminium Double Hung Window DG LB Clr 4/12/4: U-value 3.6, SHGC 0.42
  • AWS-092-029 Aluminium Sliding Window DG LB Clr 4/12/4: U-value 3, SHGC 0.51
  • AWS-112-073 Aluminium Sliding Door DG LB Clr 5/12/5: U-value 2.2, SHGC 0.55
  • AWS-001-002 Aluminium Sliding Window SG 5Clr: U-value 6.4, SHGC 0.72
  • AWS-067-009 Aluminium Fixed Window DG LB Clr 4/12/4: U-value 2.1, SHGC 0.53
  • VAN-004-008 Aluminium Louvre Window SG 6ET: U-value 4.5, SHGC 0.54

Window schedule

  • Bedroom 3, window AWS-031-047: 1,800 × 900 mm facing S
  • Bedroom 3, window AWS-031-047: 1,800 × 900 mm facing S
  • Bedroom 3, window AWS-092-029: 600 × 1,800 mm facing W
  • Ens 2, window AWS-031-047: 1,200 × 900 mm facing W
  • Ens 3, window AWS-031-047: 1,200 × 900 mm facing W
  • Bedroom 2, window AWS-031-047: 1,200 × 900 mm facing W
  • Bedroom 2, window AWS-031-047: 1,200 × 900 mm facing W
  • Study, window AWS-031-047: 1,800 × 900 mm facing N
  • Study, window AWS-031-047: 1,800 × 900 mm facing N
  • Rumpus, window AWS-112-073: 2,100 × 3,900 mm facing S
  • Rumpus, window AWS-092-029: 600 × 1,800 mm facing W
  • Hall, window TIM-003-01 W: 2,100 × 1,640 mm facing N
  • Bathroom, window AWS-031-047: 1,200 × 900 mm facing E
  • Laundry, window AWS-031-047: 1,800 × 900 mm facing E
  • Garage, window AWS-001-002: 600 × 1,800 mm facing E
  • P/R, window AWS-031-047: 600 × 600 mm facing W
  • P/R, window AWS-031-047: 1,200 × 600 mm facing S
  • Pantry, window AWS-067-009: 600 × 1,800 mm facing W
  • Hall, window AWS-031-047: 1,200 × 600 mm facing S
  • Sitting Room, window AWS-092-029: 600 × 1,800 mm facing E
  • Sitting Room, window AWS-112-073: 2,100 × 3,900 mm facing S
  • Bed 1/Ens, window AWS-031-047: 1,200 × 600 mm facing S
  • Bed 1/Ens, window AWS-031-047: 1,200 × 600 mm facing S
  • Bed 1/Ens, window AWS-092-029: 600 × 1,800 mm facing E
  • WIR, window AWS-031-047: 1,200 × 900 mm facing E
  • Kitch/Living, window AWS-031-047: 1,000 × 600 mm facing W
  • Kitch/Living, window AWS-031-047: 1,000 × 600 mm facing W
  • Kitch/Living, window AWS-031-047: 1,000 × 600 mm facing W
  • Kitch/Living, window AWS-092-029: 600 × 1,800 mm facing W
  • Kitch/Living, window VAN-004-008: 2,100 × 900 mm facing N
  • Kitch/Living, window AWS-112-073: 2,400 × 4,100 mm facing N
  • Kitch/Living, window AWS-067-009: 540 × 4,100 mm facing N
  • Kitch/Living, window AWS-112-073: 2,400 × 4,100 mm facing N
  • Kitch/Living, window AWS-031-047: 1,200 × 600 mm facing E
  • Kitch/Living, window AWS-031-047: 1,200 × 600 mm facing E
  • Ens 1, window AWS-092-029: 600 × 1,800 mm facing E

Certificate 0012097085-01, issued 3 September 2025, from the council's DA documents.

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