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442 Tumbi Road Wamberal NSW 2260

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BASIX certificate and NatHERS rating

This home has a NatHERS rating of 7 stars out of 10. Its BASIX certificate commits it to 9 kW of solar panels and a 10,000 litre rainwater tank. Its NatHERS certificate lists insulation in the external walls, ceiling and floor.

Key features

Windows
44 windows and glazed doors: SIG Sliding Window (67mm) DG DG 009_AGG PLUS Clr 5_8_5; Carinya Select 125 Hinged Door DG 011_AGG PLUS Clr 5_12_5; SIG Louvre Window (125mm) SG 6EA and 6 more types
Wall insulation
R2.7
Roof and ceiling insulation
Ceiling R3.0, R7.0, R8.3, R6.0, roof Cont:Attic-Continuous 1.3, medium colour
Hot water
Gas instantaneous with a performance of 6 stars
Air conditioning and heating
3-phase airconditioning (living area and bedroom)

BASIX certificate

Energy score
70 (target 70)
Water score
40 (target 40)
Materials score
-100
Heating load
27 MJ/m² a year
Cooling load
24 MJ/m² a year
Bedrooms
5
Conditioned floor area
479.2 m²
Unconditioned floor area
47 m²
Site area
10,100 m²
Roof area
981 m²
Garden area
100 m²
Climate zone
NatHERS climate zone 15
Hot water
Gas instantaneous with a performance of 6 stars
Solar panels
9 kW
Rainwater tank
10,000 litres
Fixtures
Showerheads 3 star, toilets 3 star, kitchen taps 3 star, basin taps 3 star
LED lighting
Yes
Cooktop
Gas
Maximum glazing
aluminium frames 180 m², single glazing 13.3 m², double glazing 166.7 m²

Heating

  • Living area: 3-phase airconditioning; Energy rating: EER 3.0 - 3.5
  • Bedroom: 3-phase airconditioning; Energy rating: EER 3.0 - 3.5

Cooling

  • Living area: 3-phase airconditioning; Energy rating: EER 3.0 - 3.5
  • Bedroom: 3-phase airconditioning; Energy rating: EER 3.0 - 3.5

Construction and insulation

  • Floor: concrete slab on ground, waffle pod slab (not specified)
  • Garage floor: concrete slab on ground, waffle pod slab (not specified)
  • External wall: brick veneer; frame: timber - untreated softwood (not specified+ foil/sarking)
  • External wall: framed (fibre cement sheet or boards); frame: timber - untreated softwood (not specified+ foil/sarking)
  • External garage wall: cavity brick; frame: no frame (not specified)
  • Internal wall: plasterboard; frame: timber - untreated softwood (not specified)
  • Ceiling and roof: flat ceiling / pitched roof, framed - metal roof, timber - untreated softwood (ceiling: not specified; roof: not specified.)
  • Ceiling and roof: raked ceiling / pitched or skillion roof, framed - metal roof, timber - untreated softwood (ceiling: not specified; roof: not specified.)

Certificate 1845884S, issued 12 May 2026, from the council's DA documents.

NatHERS certificate

Star rating
7 stars
Rated with
FirstRate5: 5.5.5a (3.22)
Rated on
29 Apr 2026
Wall insulation
R2.7
Ceiling insulation
R3.0, R7.0, R8.3, R6.0
Floor insulation
R2.7, R0.6
Living room glazing by direction
N 9.6 m², E 30 m², S 5.8 m², W 12.3 m²
All glazing by direction
N 48.7 m², E 57.7 m², S 44.6 m², W 29.7 m²

Roof

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

Window types

  • BRD-066-56 A SIG Sliding Window (67mm) DG DG 009_AGG PLUS Clr 5_8_5: U-value 3.15, SHGC 0.49
  • ALS-045-46 A Carinya Select 125 Hinged Door DG 011_AGG PLUS Clr 5_12_5: U-value 3.14, SHGC 0.42
  • BRD-043-06 A SIG Louvre Window (125mm) SG 6EA: U-value 4.53, SHGC 0.52
  • BRD-035-57 A SIG Sliding Door (100mm) DG DG 009_AGG PLUS Clr 5_8_5: U-value 2.85, SHGC 0.52
  • BRD-097-29 A Signature Awning Window 100TB DG DuoUltraClr_6mm-12-6mm: U-value 2.26, SHGC 0.38
  • BRD-108-15 A Signature Fixed Lite INT 100TB DG DuoUltraClr_6mm-12-6mm: U-value 1.84, SHGC 0.46
  • BRD-101-27 A Signature Sliding Door 100TB DG DuoUltraClr_6mm-12-6mm: U-value 2.15, SHGC 0.42
  • BRD-102-15 A Signature Sliding Window 100TB DG DuoUltraClr_6mm-12-6mm: U-value 2.52, SHGC 0.37
  • BRD-082-84 A Signature Awning Window 100 DG 011_AGG PLUS Clr 5_12_5: U-value 3.31, SHGC 0.44

Window schedule

  • Bedroom 1, window BRD-066-56 A: 860 × 2,650 mm facing S
  • Bedroom 2, window BRD-066-56 A: 860 × 2,650 mm facing S
  • Bedroom 3, window BRD-066-56 A: 860 × 2,650 mm facing S
  • Garage/Shed, window BRD-066-56 A: 600 × 2,170 mm facing S
  • Garage/Shed, window BRD-066-56 A: 600 × 2,170 mm facing S
  • Garage/Shed, window ALS-045-46 A: 2,400 × 820 mm facing S
  • GT ENS, window BRD-043-06 A: 1,249 × 610 mm facing S
  • Bedroom GUEST, window BRD-043-06 A: 2,359 × 950 mm facing S
  • Bedroom GUEST, window BRD-035-57 A: 2,400 × 4,000 mm facing E
  • BATH, window BRD-066-56 A: 1,460 × 1,570 mm facing S
  • BATH, window BRD-043-06 A: 1,249 × 610 mm facing S
  • OFFICE, window BRD-097-29 A: 2,050 × 3,610 mm facing W
  • LDY, window ALS-045-46 A: 2,400 × 820 mm facing N
  • ENS, window BRD-043-06 A: 2,410 × 2,710 mm facing N
  • MASTER SUITE, window BRD-108-15 A: 2,400 × 4,010 mm facing S
  • MASTER SUITE, window BRD-101-27 A: 2,400 × 4,000 mm facing E
  • MASTER SUITE, window BRD-102-15 A: 860 × 2,650 mm facing N
  • Formal Living, window BRD-097-29 A: 2,050 × 3,000 mm facing W
  • PDR, window BRD-082-84 A: 1,200 × 1,210 mm facing W
  • KIDS Living, window BRD-097-29 A: 2,050 × 3,000 mm facing W
  • STUDY, window BRD-097-29 A: 1,200 × 1,210 mm facing W
  • PANTRY, window BRD-108-15 A: 1,510 × 2,410 mm facing N
  • Kitchen/Living/-Dining/Butlers, window BRD-108-15 A: 800 × 5,000 mm facing E
  • Kitchen/Living/-Dining/Butlers, window BRD-108-15 A: 2,400 × 1,210 mm facing S
  • Kitchen/Living/-Dining/Butlers, window BRD-108-15 A: 2,400 × 1,210 mm facing S
  • Kitchen/Living/-Dining/Butlers, window BRD-097-29 A: 2,359 × 950 mm facing E
  • Kitchen/Living/-Dining/Butlers, window BRD-108-15 A: 800 × 6,500 mm facing E
  • Kitchen/Living/-Dining/Butlers, window BRD-101-27 A: 2,359 × 6,900 mm facing E
  • Kitchen/Living/-Dining/Butlers, window BRD-097-29 A: 2,359 × 950 mm facing E
  • FOYER/MUD/HALLS, window BRD-108-15 A: 2,400 × 3,950 mm facing N
  • FOYER/MUD/HALLS, window BRD-108-15 A: 2,400 × 4,010 mm facing N
  • FOYER/MUD/HALLS, window BRD-097-29 A: 2,369 × 1,810 mm facing E
  • FOYER/MUD/HALLS, window BRD-097-29 A: 2,369 × 1,810 mm facing E
  • FOYER/MUD/HALLS, window BRD-108-15 A: 2,400 × 3,000 mm facing S
  • FOYER/MUD/HALLS, window BRD-108-15 A: 2,410 × 610 mm facing S
  • FOYER/MUD/HALLS, window ALS-045-46 A: 2,360 × 1,500 mm facing W
  • FOYER/MUD/HALLS, window BRD-108-15 A: 2,360 × 750 mm facing W
  • FOYER/MUD/HALLS, window BRD-108-15 A: 2,360 × 750 mm facing W
  • FOYER/MUD/HALLS, window BRD-108-15 A: 600 × 2,950 mm facing N
  • FOYER/MUD/HALLS, window BRD-097-29 A: 2,359 × 1,000 mm facing N
  • LOUNGE, window BRD-101-27 A: 2,400 × 4,000 mm facing N
  • WC, window BRD-043-06 A: 2,359 × 950 mm facing S
  • SAUNA, window BRD-043-06 A: 1,249 × 610 mm facing S
  • STORAGE, window BRD-108-15 A: 2,410 × 610 mm facing N

Certificate G8KXKI0PST, issued 29 April 2026, from the council's DA documents. Verify this certificate

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