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43 Hilltop Crescent Mollymook Beach NSW 2539

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 1 kW of solar panels and a 2,500 litre rainwater tank. Its NatHERS certificate lists insulation in the ceiling and floor. It beat its BASIX energy and water targets, scoring 70 against 69 for energy and 42 against 40 for water.

Key features

Windows
21 windows and glazed doors: 541/542 Al Sliding Door SG 6EVanClr; SERIES 525 LOUVRE SERIES 400 CENTREGLAZED SG 6mmET; RES SERIES 516 FIXED WINDOW SG 6ETClr and 3 more types
Wall insulation
All external walls fibreglass batts or roll+ foil/sarking
Roof and ceiling insulation
Ceiling R6.0, R7.3, roof Cont:Attic-Continuous 1.3, medium colour
Hot water
Electric storage
Air conditioning and heating
1-phase airconditioning, ducted (living area and bedroom)

BASIX certificate

Energy score
70 (target 69)
Water score
42 (target 40)
Thermal performance
Pass
Materials score
-5
Heating load
41 MJ/m² a year
Cooling load
20 MJ/m² a year
Bedrooms
3
Conditioned floor area
134.3 m²
Unconditioned floor area
11.7 m²
Site area
582 m²
Roof area
240 m²
Garden area
235 m²
Climate zone
NatHERS climate zone 18
Hot water
Electric storage
Solar panels
1 kW
Rainwater tank
2,500 litres
Fixtures
Showerheads 4 star, toilets 4 star, kitchen taps 4 star, basin taps 4 star
LED lighting
Yes
Cooktop
Induction
Clothes line
Yes
Maximum glazing
aluminium frames 45.5 m², single glazing 45.5 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, conventional slab (polystyrene)
  • Garage floor: concrete slab on ground (polystyrene)
  • External wall: framed (solid or reconstituted timber weatherboard); frame: timber - H2 treated softwood. all external walls fibreglass batts or roll+ foil/sarking
  • Internal wall: plasterboard; frame: timber - H2 treated softwood (fibreglass batts or roll)
  • Internal wall: plasterboard; frame: timber - H2 treated softwood (no added insulation)
  • Ceiling and roof: flat ceiling / pitched roof, framed - metal roof, timber - hardwood predominant incl. glue laminated beams (ceiling: fibreglass batts or roll; roof: foil/sarking.)
  • Ceiling and roof: flat ceiling / flat roof, framed - metal roof, timber - hardwood predominant incl. glue laminated beams (ceiling: fibreglass batts or roll; roof: foil/sarking.)

Certificate 1833004S, issued 13 February 2026, from the council's DA documents.

NatHERS certificate

Star rating
7 stars
Rated with
FirstRate5: 5.5.5a (3.22)
Rated on
13 Feb 2026
Ceiling insulation
R6.0, R7.3
Floor insulation
R1.5
Living room glazing by direction
E 12.8 m², S 13 m²
All glazing by direction
N 7.5 m², E 13.7 m², S 17 m², W 7.3 m²

Roof

  • Cont:Attic-Continuous 1.3, medium colour
  • Framed:Flat - Flat Framed (Metal Deck) 0.0, medium colour

Window types

  • AWS-011-10 A 541/542 Al Sliding Door SG 6EVanClr: U-value 4.54, SHGC 0.54
  • AWS-058-08 A SERIES 525 LOUVRE SERIES 400 CENTREGLAZED SG 6mmET: U-value 4.74, SHGC 0.47
  • AWS-066-09 A RES SERIES 516 FIXED WINDOW SG 6ETClr: U-value 3.93, SHGC 0.63
  • AWS-018-10 A 549 ED Al Entry Door SG 6EVanClr: U-value 4.55, SHGC 0.42
  • AWS-007-11 A 516 Al Awining Window SG 6EVanClr: U-value 5.06, SHGC 0.49
  • AWS-020-10 A 548 HD Al French Door SG 6EVanClr: U-value 4.7, SHGC 0.44

Window schedule

  • KIT/DIN/LIV, window AWS-011-10 A: 2,400 × 3,600 mm facing S
  • KIT/DIN/LIV, window AWS-058-08 A: 1,800 × 800 mm facing E
  • KIT/DIN/LIV, window AWS-066-09 A: 1,800 × 2,400 mm facing E
  • KIT/DIN/LIV, window AWS-066-09 A: 750 × 3,200 mm facing E
  • KIT/DIN/LIV, window AWS-066-09 A: 750 × 2,400 mm facing E
  • KIT/DIN/LIV, window AWS-066-09 A: 1,800 × 2,400 mm facing S
  • KIT/DIN/LIV, window AWS-058-08 A: 1,800 × 800 mm facing E
  • KIT/DIN/LIV, window AWS-058-08 A: 1,800 × 800 mm facing E
  • L'DRY, window AWS-066-09 A: 600 × 1,500 mm facing E
  • L'DRY, window AWS-018-10 A: 2,360 × 950 mm facing N
  • ENTRY, window AWS-066-09 A: 2,362 × 500 mm facing N
  • BED 1, window AWS-007-11 A: 1,500 × 900 mm facing N
  • BED 1, window AWS-066-09 A: 1,500 × 900 mm facing N
  • BED 1, window AWS-007-11 A: 1,500 × 900 mm facing N
  • ENS, window AWS-007-11 A: 1,200 × 600 mm facing W
  • BATH, window AWS-007-11 A: 1,200 × 600 mm facing W
  • GUEST, window AWS-020-10 A: 2,400 × 1,620 mm facing W
  • GUEST, window AWS-058-08 A: 2,400 × 800 mm facing W
  • BED 2, window AWS-007-11 A: 1,500 × 900 mm facing S
  • BED 2, window AWS-066-09 A: 1,500 × 900 mm facing S
  • BED 2, window AWS-007-11 A: 1,500 × 900 mm facing S

Certificate PH7Z8PES6G, issued 13 February 2026, from the council's DA documents. Verify this certificate

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