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11 Joalah Road Kincumber NSW 2251

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BASIX certificate and NatHERS rating

This home has a NatHERS rating of 7.1 stars out of 10. Its BASIX certificate commits it to 6 kW of solar panels and 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 87 against 70 for energy and 43 against 40 for water.

Key features

Windows
24 windows and glazed doors: Aluminium Sliding Window SG 6.38CPClr; Aluminium Double Hung Window SG 6.38CPClr; Aluminium Sliding Door DG LB Clr 4/12/4 and 2 more types
Wall insulation
R2.5
Roof and ceiling insulation
Ceiling R2.5, R6, roof Corrugated Iron Timber Frame Bulk, Reflective Side Down, No Air Gap Above R1.3, dark colour
Hot water
Electric storage
Air conditioning and heating
1-phase airconditioning, ducted (living area and bedroom)

BASIX certificate

Energy score
87 (target 70)
Water score
43 (target 40)
Thermal performance
Pass
Materials score
-45
Heating load
23 MJ/m² a year
Cooling load
27 MJ/m² a year
Bedrooms
5
Conditioned floor area
400.9 m²
Unconditioned floor area
24.2 m²
Site area
1,010 m²
Roof area
327 m²
Garden area
490 m²
Climate zone
NatHERS climate zone 15
Hot water
Electric storage
Solar panels
6 kW
Rainwater tank
5,000 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 74.3 m², single glazing 54 m², double glazing 20.3 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 (no added insulation)
  • Floor: suspended floor above open subfloor, particle board; frame: timber - H2 treated softwood (fibreglass batts or roll)
  • Floor: above habitable rooms or mezzanine, particle board; frame: timber - H2 treated softwood (fibreglass batts or roll)
  • Floor: suspended floor above garage, particle board; frame: timber - H2 treated softwood (fibreglass batts or roll)
  • Garage floor: concrete slab on ground, waffle pod slab (no added insulation)
  • External wall: brick veneer; frame: timber - H2 treated softwood (fibreglass batts or roll+ foil/sarking)
  • External wall: framed (fibre cement sheet or boards); frame: timber - H2 treated softwood (fibreglass batts or roll+ foil/sarking)
  • Internal wall: plasterboard; frame: timber - H2 treated softwood (no added insulation)
  • Ceiling and roof: flat ceiling / pitched roof, framed - metal roof, timber - H2 treated softwood (ceiling: fibreglass batts or roll; roof: foil backed blanket.)

Certificate 1802549S, issued 3 July 2025, from the council's DA documents.

NatHERS certificate

Star rating
7.1 stars
Rated with
BERS Pro v5.2.4 (3.23)
Rated on
03 Jul 2025
Wall insulation
R2.5
Ceiling insulation
R2.5, R6
Floor insulation
R2.5
LED downlights
54
Living room glazing by direction
N 3.6 m², E 17.9 m², S 4.8 m²
All glazing by direction
N 15.3 m², E 26.9 m², S 14.1 m², W 18 m²

Roof

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

Window types

  • AWS-001-019 Aluminium Sliding Window SG 6.38CPClr: U-value 4.5, SHGC 0.59
  • VAN-002-017 Aluminium Double Hung Window SG 6.38CPClr: U-value 5, SHGC 0.48
  • AWS-013-013 Aluminium Sliding Door DG LB Clr 4/12/4: U-value 3, SHGC 0.49
  • AWS-024-016 Aluminium Sliding Door SG 6.38CPClr: U-value 4.5, SHGC 0.54
  • AWS-068-003 Aluminium Fixed Window SG 6.38CPClr: U-value 4.4, SHGC 0.63

Window schedule

  • Master Bedroom, window AWS-001-019: 1,800 × 3,425 mm facing W
  • Master Bedroom, window AWS-001-019: 600 × 2,410 mm facing N
  • Master Ensuite, window AWS-001-019: 600 × 1,570 mm facing N
  • Kitchen/Living1, window VAN-002-017: 2,100 × 850 mm facing N
  • Kitchen/Living1, window VAN-002-017: 2,100 × 850 mm facing N
  • Kitchen/Living1, window AWS-001-019: 1,800 × 3,210 mm facing E
  • Kitchen/Living1, window AWS-013-013: 2,400 × 5,050 mm facing E
  • Kitchen/Living1, window AWS-001-019: 600 × 2,650 mm facing S
  • Laundry, window AWS-024-016: 2,400 × 1,810 mm facing S
  • Upper Hall, window AWS-068-003: 2,400 × 1,200 mm facing N
  • Upper Hall, window VAN-002-017: 2,100 × 850 mm facing E
  • Bedroom 2, window AWS-001-019: 600 × 2,650 mm facing N
  • Bedroom 2, window AWS-013-013: 2,400 × 3,425 mm facing W
  • Bed 2 Ens, window AWS-001-019: 1,200 × 1,210 mm facing N
  • Bedroom 3, window AWS-001-019: 600 × 2,650 mm facing N
  • Bedroom 3, window AWS-001-019: 1,370 × 2,650 mm facing E
  • Bed 3 Ens, window VAN-002-017: 2,100 × 850 mm facing N
  • Bedroom 4, window AWS-001-019: 1,370 × 2,650 mm facing E
  • Bedroom 4, window AWS-001-019: 600 × 2,650 mm facing S
  • Bed 4 Ens, window VAN-002-017: 2,100 × 850 mm facing S
  • Lounge, window AWS-001-019: 600 × 2,650 mm facing S
  • Lounge, window AWS-001-019: 600 × 2,650 mm facing S
  • Guest / Study, window AWS-001-019: 600 × 2,650 mm facing S
  • Guest / Study, window AWS-001-019: 1,370 × 2,650 mm facing W

Certificate 0012024618, issued 3 July 2025, from the council's DA documents. Verify this certificate

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