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15 Sandhurst Crescent Mollymook Beach NSW 2539

BASIX certificate and NatHERS rating

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This home has a NatHERS rating of 7.2 stars out of 10. Its BASIX certificate commits it to 2.85 kW of solar panels and a 6,060 litre rainwater tank. Its NatHERS certificate lists insulation in the external walls, ceiling and floor. It beat its BASIX energy target, scoring 100 against 69.

Key features

Windows
17 windows and glazed doors: Timber A SG Clear; TB Aluminium Sliding Window DG 4Clr/12Ar/4Clr; Manor Awning Window DG 3/12/3 and 2 more types
Wall insulation
R2.2
Roof and ceiling insulation
Ceiling R4.1, R6.0, R7.8, roof Cont:Attic-Continuous 1.8, medium 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
100 (target 69)
Water score
40 (target 40)
Materials score
-79
Heating load
45 MJ/m² a year
Cooling load
12 MJ/m² a year
Bedrooms
5
Conditioned floor area
213.1 m²
Unconditioned floor area
19 m²
Site area
510 m²
Roof area
228 m²
Garden area
270 m²
Climate zone
NatHERS climate zone 18
Hot water
Electric heat pump with a performance of 15 to 20 STCs or better
Solar panels
2.85 kW
Rainwater tank
6,060 litres
Fixtures
Showerheads 3 star, toilets 4 star, kitchen taps 4 star, basin taps 5 star
LED lighting
Yes
Cooktop
Induction
Clothes line
Yes
Maximum glazing
aluminium frames 38.4 m², timber frames 2.9 m², single glazing 2.9 m², double glazing 38.4 m²

Heating

  • Living area: 1-phase airconditioning - ducted; Energy rating: EER 3.5 - 4.0
  • Bedroom: 1-phase airconditioning - ducted; Energy rating: EER 3.5 - 4.0

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 (fibreglass batts or roll)
  • Floor: suspended floor above open subfloor, particle board; frame: light steel frame (fibreglass batts or roll)
  • Floor: above habitable rooms or mezzanine, particle board; frame: light steel frame (fibreglass batts or roll)
  • Garage floor: concrete slab on ground, waffle pod slab (no added insulation)
  • External wall: brick veneer; frame: light steel frame (fibreglass batts or roll)
  • External wall: framed (solid or reconstituted timber weatherboard); frame: light steel frame (fibreglass batts or roll)
  • External garage wall: brick veneer; frame: light steel frame (no added insulation)
  • External garage wall: cavity brick; frame: no 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 backed blanket.)

Certificate 1845719S, issued 11 May 2026, from the council's DA documents.

NatHERS certificate

Star rating
7.2 stars
Rated with
FirstRate5: 5.5.5a (3.22)
Rated on
11 May 2026
Wall insulation
R2.2
Ceiling insulation
R4.1, R6.0, R7.8
Floor insulation
R2.2, R2.0, R4.1
Living room glazing by direction
E 6.5 m², S 12.3 m²
All glazing by direction
N 10.1 m², E 14 m², S 14.4 m², W 2.8 m²

Roof

  • Cont:Attic-Continuous 1.8, medium colour
  • Framed:Flat - Flat Framed (Metal Deck) 0.0, medium colour

Window types

  • TIM-001-01 W Timber A SG Clear: U-value 5.4, SHGC 0.56
  • DOW-022-03 B TB Aluminium Sliding Window DG 4Clr/12Ar/4Clr: U-value 2.89, SHGC 0.64
  • DOW-005-01 A Manor Awning Window DG 3/12/3: U-value 3.9, SHGC 0.58
  • GJA-071-01 A Type 245 Aluminium Sliding Door DG 4/10/4: U-value 3.98, SHGC 0.63
  • JLN-009-11 B TB - 100mm Fixed Window DG DG DG DG 4mm-12Ar-4mm: U-value 3.04, SHGC 0.67

Window schedule

  • Guest Bedroom, window DOW-022-03 B: 600 × 2,650 mm facing E
  • Bathroom 2, window DOW-005-01 A: 1,800 × 610 mm facing E
  • Laundry, window TIM-001-01 W: 608 × 820 mm facing W
  • Entry/Home Office, window DOW-005-01 A: 1,800 × 1,450 mm facing N
  • Entry/Home Office, window TIM-001-01 W: 2,340 × 1,020 mm facing N
  • Dining/Kitchen/-Living, window DOW-022-03 B: 2,057 × 1,810 mm facing S
  • Dining/Kitchen/-Living, window GJA-071-01 A: 2,400 × 2,688 mm facing E
  • Dining/Kitchen/-Living, window GJA-071-01 A: 2,400 × 3,588 mm facing S
  • Bedroom 1, window DOW-022-03 B: 1,200 × 2,410 mm facing N
  • Bedroom 2, window DOW-022-03 B: 1,200 × 1,810 mm facing N
  • Bedroom 3, window DOW-022-03 B: 600 × 2,650 mm facing W
  • Bedroom 4, window DOW-022-03 B: 857 × 1,810 mm facing E
  • Ensuite, window DOW-022-03 B: 1,200 × 1,210 mm facing E
  • Powder 2, window DOW-005-01 A: 1,200 × 610 mm facing E
  • Bathroom, window DOW-005-01 A: 1,200 × 610 mm facing W
  • Children's Activities, window DOW-022-03 B: 857 × 2,410 mm facing S
  • FF Landing, window JLN-009-11 B: 1,800 × 610 mm facing E

Certificate AAUAAH15YU, issued 11 May 2026, from the council's DA documents. Verify this certificate

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