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15 Collett Place St Georges Basin 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 3.3 kW of solar panels and a 3,200 litre rainwater tank. Its NatHERS certificate lists insulation in the external walls, ceiling and floor. It beat its BASIX energy target, scoring 96 against 69.

Key features

Windows
15 windows and glazed doors: Timber A SG Clear; Aluminium Sliding Window DG LB Clr 4/12/4; Aluminium Sliding Window SG 3Clr and 3 more types
Wall insulation
R2.5
Roof and ceiling insulation
Ceiling R2.5, R6, R3, 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 15 to 20 STCs or better
Air conditioning and heating
1-phase airconditioning, ducted (living area and bedroom)

Built by Masterton Homes.

BASIX certificate

Energy score
96 (target 69)
Water score
40 (target 40)
Thermal performance
Pass
Materials score
-100
Heating load
37 MJ/m² a year
Cooling load
23 MJ/m² a year
Bedrooms
4
Conditioned floor area
183.6 m²
Unconditioned floor area
20.4 m²
Site area
645 m²
Roof area
195 m²
Garden area
432 m²
Climate zone
NatHERS climate zone 18
Hot water
Electric heat pump with a performance of 15 to 20 STCs or better
Solar panels
3.3 kW
Rainwater tank
3,200 litres
Fixtures
Showerheads 4 star, toilets 4 star, kitchen taps 5 star, basin taps 5 star
LED lighting
Yes
Cooktop
Gas
Clothes line
Yes
Maximum glazing
aluminium frames 44.6 m², timber frames 1 m², single glazing 5.8 m², double glazing 39.8 m²

Heating

  • Living area: 1-phase airconditioning - ducted; Energy rating: EER 3.0 - 3.5
  • Bedroom: 1-phase airconditioning - ducted; Energy rating: EER 3.0 - 3.5

Cooling

  • Living area: 1-phase airconditioning - ducted; Energy rating: EER 3.0 - 3.5
  • Bedroom: 1-phase airconditioning - ducted; Energy rating: EER 3.0 - 3.5

Construction and insulation

  • Floor: concrete slab on ground, waffle pod slab (not specified)
  • Floor: suspended floor above open subfloor, particle board; frame: timber - H2 treated softwood (not specified)
  • Floor: above habitable rooms or mezzanine, particle board; frame: timber - H2 treated softwood (not specified)
  • Floor: suspended floor above garage, particle board; frame: timber - H2 treated softwood (not specified)
  • Garage floor: concrete slab on ground, waffle pod slab (not specified)
  • External wall: brick veneer; frame: timber - H2 treated softwood. all external walls not specified
  • External garage wall: brick veneer; frame: timber - H2 treated softwood (not specified)
  • Internal wall: plasterboard; frame: timber - H2 treated softwood (not specified)
  • Ceiling and roof: flat ceiling / pitched roof, framed - metal roof, timber - H2 treated softwood (ceiling: not specified; roof: not specified.)

Certificate 1807874S_03, issued 9 December 2025, from the council's DA documents.

NatHERS certificate

Star rating
7 stars
Rated with
BERS Pro v5.2.6 (3.23)
Rated on
04 Nov 2025
Wall insulation
R2.5
Ceiling insulation
R2.5, R6, R3
Floor insulation
R2.5
Living room glazing by direction
E 6.2 m², S 8.7 m², W 15.2 m²
All glazing by direction
N 7.5 m², E 10.3 m², S 8.7 m², W 19.1 m²

Roof

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

Window types

  • TIM-001-01 W Timber A SG Clear: U-value 5.4, SHGC 0.56
  • DOW-034-008 Aluminium Sliding Window DG LB Clr 4/12/4: U-value 3.2, SHGC 0.48
  • DOW-001-001 Aluminium Sliding Window SG 3Clr: U-value 6.4, SHGC 0.75
  • DOW-015-007 Aluminium Fixed Window DG LB Clr 4/12/4: U-value 2.5, SHGC 0.53
  • DOW-007-005 Aluminium Sliding Door DG 4Clr/8/4ET: U-value 3.6, SHGC 0.56
  • DOW-009-014 Aluminium Double Hung Window SG 4ETClr: U-value 4.4, SHGC 0.62

Window schedule

  • Bedroom 3, window DOW-034-008: 1,200 × 1,810 mm facing W
  • BATH, window DOW-001-001: 1,029 × 1,810 mm facing N
  • LDRY, window TIM-001-01 W: 1,170 × 820 mm facing N
  • Bedroom 4, window DOW-034-008: 1,200 × 2,050 mm facing N
  • LOUNGE, window DOW-015-007: 540 × 1,210 mm facing E
  • LOUNGE, window DOW-034-008: 1,200 × 2,410 mm facing E
  • LOUNGE, window DOW-007-005: 2,400 × 3,624 mm facing S
  • MASTER SUITE, window DOW-009-014: 2,057 × 850 mm facing W
  • MASTER SUITE, window DOW-034-008: 1,200 × 2,410 mm facing E
  • ENS, window DOW-001-001: 1,029 × 610 mm facing E
  • PDR, window DOW-001-001: 1,029 × 610 mm facing E
  • Bedroom 2, window DOW-034-008: 1,200 × 1,810 mm facing N
  • Kitchen/Living, window DOW-015-007: 2,160 × 1,210 mm facing E
  • Kitchen/Living, window DOW-007-005: 2,100 × 3,610 mm facing W
  • Kitchen/Living, window DOW-007-005: 2,100 × 3,610 mm facing W

Certificate 0012109807-01, issued 4 November 2025, from the council's DA documents. Verify this certificate

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