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Lot-34, Cosmos Way Box Hill NSW 2765

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 a 3,000 litre rainwater tank. Its NatHERS certificate lists insulation in the external walls, ceiling and floor.

Key features

Windows
21 windows and glazed doors: Aluminium A SG High Solar Gain Low-E; Aluminium B SG High Solar Gain Low-E; Aluminium B SG Clear and 3 more types
Wall insulation
R2.7
Roof and ceiling insulation
Ceiling R2.5, R6.0, R3.5, roof Cont:Attic-Continuous 1.3, dark colour
Hot water
Gas instantaneous with a performance of 4 stars
Air conditioning and heating
1-phase airconditioning, ducted (living area and bedroom)

BASIX certificate

Energy score
70 (target 70)
Water score
40 (target 40)
Thermal performance
Pass
Materials score
-80
Heating load
35 MJ/m² a year
Cooling load
25 MJ/m² a year
Bedrooms
5
Conditioned floor area
145.8 m²
Unconditioned floor area
17.2 m²
Site area
257 m²
Roof area
130 m²
Garden area
80 m²
Climate zone
NatHERS climate zone 28
Hot water
Gas instantaneous with a performance of 4 stars
Rainwater tank
3,000 litres
Fixtures
Showerheads 4 star, toilets 2 star, kitchen taps 3 star, basin taps 3 star
LED lighting
Yes
Cooktop
Gas
Clothes line
Yes
Maximum glazing
aluminium frames 39.6 m², single glazing 27.9 m², double glazing 11.7 m²

Heating

  • Living area: 1-phase airconditioning - ducted; Energy rating: 4 star (average zone)
  • Bedroom: 1-phase airconditioning - ducted; Energy rating: 4 star (average zone)

Cooling

  • Living area: 1-phase airconditioning - ducted; Energy rating: 4 star (average zone)
  • Bedroom: 1-phase airconditioning - ducted; Energy rating: 4 star (average zone)

Construction and insulation

  • Floor: concrete slab on ground, 30% cement substitute, waffle pod slab (polystyrene)
  • Floor: suspended floor above garage, particle board; frame: timber - untreated softwood (fibreglass batts or roll)
  • Garage floor: concrete slab on ground, 30% cement substitute, waffle pod slab (no added insulation)
  • External wall: brick veneer; frame: timber - untreated softwood (fibreglass batts or roll)
  • External wall: brick veneer; frame: timber - untreated softwood (no added insulation)
  • External wall: AAC veneer; frame: timber - untreated softwood (fibreglass batts or roll+ foil/sarking)
  • Internal wall: block with low cement content and reconstituted sawdust; frame: timber - untreated softwood (no added insulation)
  • Ceiling and roof: flat ceiling / pitched roof, framed - concrete tiles , timber - untreated softwood (ceiling: fibreglass batts or roll; roof: foil/sarking.)

Certificate 1795246S_02, issued 23 July 2025, from the council's DA documents.

NatHERS certificate

Star rating
7 stars
Rated with
FirstRate5: 5.5.5a (3.22)
Rated on
23 Jul 2025
Wall insulation
R2.7
Ceiling insulation
R2.5, R6.0, R3.5
Floor insulation
R3.5, R2.7, R2.5, R0.6, R2.4, R4.0
Living room glazing by direction
N 5.4 m², E 5.6 m², S 7.4 m², W 2.6 m²
All glazing by direction
N 8.1 m², E 10.2 m², S 13.9 m², W 7.4 m²

Roof

  • Cont:Attic-Continuous 1.3, dark colour
  • Cont:Attic-Continuous 0.0, dark colour

Window types

  • ALM-001-03 A Aluminium A SG High Solar Gain Low-E: U-value 5.4, SHGC 0.49
  • ALM-002-03 A Aluminium B SG High Solar Gain Low-E: U-value 5.4, SHGC 0.58
  • ALM-002-01 A Aluminium B SG Clear: U-value 6.7, SHGC 0.7
  • ALM-001-01 A Aluminium A SG Clear: U-value 6.7, SHGC 0.57
  • ALM-004-03 A Aluminium B DG Air Fill High Solar Gain low-E -Clear: U-value 4.3, SHGC 0.53
  • ALM-003-03 A Aluminium A DG Air Fill High Solar Gain low-E -Clear: U-value 4.3, SHGC 0.47

Window schedule

  • LIVING, window ALM-001-03 A: 2,050 × 724 mm facing E
  • LIVING, window ALM-001-03 A: 2,050 × 724 mm facing E
  • HALL / FOYER GF, window ALM-002-03 A: 2,400 × 320 mm facing E
  • PDR, window ALM-002-01 A: 600 × 850 mm facing S
  • L'DRY, window ALM-001-01 A: 1,800 × 850 mm facing S
  • BED 5, window ALM-002-03 A: 1,800 × 1,810 mm facing S
  • KIT / FAM / DIN, window ALM-004-03 A: 1,800 × 2,170 mm facing N
  • KIT / FAM / DIN, window ALM-001-03 A: 1,800 × 850 mm facing N
  • KIT / FAM / DIN, window ALM-003-03 A: 1,800 × 724 mm facing W
  • KIT / FAM / DIN, window ALM-003-03 A: 1,800 × 724 mm facing W
  • KIT / FAM / DIN, window ALM-004-03 A: 2,400 × 2,170 mm facing S
  • BED 2, window ALM-002-03 A: 1,800 × 2,170 mm facing E
  • BED 3, window ALM-002-03 A: 1,200 × 1,810 mm facing N
  • ENS, window ALM-002-03 A: 600 × 850 mm facing N
  • BED M, window ALM-002-03 A: 1,200 × 2,170 mm facing W
  • BED 4, window ALM-002-03 A: 1,200 × 1,810 mm facing W
  • RUMPUS, window ALM-002-03 A: 1,800 × 1,210 mm facing S
  • RUMPUS, window ALM-001-03 A: 1,800 × 724 mm facing E
  • RUMPUS, window ALM-001-03 A: 1,800 × 724 mm facing E
  • BATH FF, window ALM-002-01 A: 600 × 1,210 mm facing S
  • WC, window ALM-002-01 A: 600 × 724 mm facing S

Certificate 37PPRMPIKB-01, issued 23 July 2025, from the council's DA documents. Verify this certificate

Other certificates for this address

BASIX certificate, certificate 1795246S, issued 13 May 2025

BASIX certificate

Energy score
70 (target 70)
Water score
40 (target 40)
Thermal performance
Pass
Materials score
-80
Heating load
35 MJ/m² a year
Cooling load
25 MJ/m² a year
Bedrooms
5
Conditioned floor area
145.8 m²
Unconditioned floor area
17.2 m²
Site area
257 m²
Roof area
130 m²
Garden area
114 m²
Climate zone
NatHERS climate zone 28
Hot water
Gas instantaneous with a performance of 4 stars
Rainwater tank
3,000 litres
Fixtures
Showerheads 4 star, toilets 2 star, kitchen taps 3 star, basin taps 3 star
LED lighting
Yes
Cooktop
Gas
Clothes line
Yes
Maximum glazing
aluminium frames 39.6 m², single glazing 27.9 m², double glazing 11.7 m²

Heating

  • Living area: 1-phase airconditioning - ducted; Energy rating: 4 star (average zone)
  • Bedroom: 1-phase airconditioning - ducted; Energy rating: 4 star (average zone)

Cooling

  • Living area: 1-phase airconditioning - ducted; Energy rating: 4 star (average zone)
  • Bedroom: 1-phase airconditioning - ducted; Energy rating: 4 star (average zone)

Construction and insulation

  • Floor: concrete slab on ground, 30% cement substitute, waffle pod slab (polystyrene)
  • Floor: suspended floor above garage, particle board; frame: timber - untreated softwood (fibreglass batts or roll)
  • Garage floor: concrete slab on ground, 30% cement substitute, waffle pod slab (no added insulation)
  • External wall: brick veneer; frame: timber - untreated softwood (fibreglass batts or roll)
  • External wall: brick veneer; frame: timber - untreated softwood (no added insulation)
  • External wall: AAC veneer; frame: timber - untreated softwood (fibreglass batts or roll+ foil/sarking)
  • Internal wall: block with low cement content and reconstituted sawdust; frame: timber - untreated softwood (no added insulation)
  • Ceiling and roof: flat ceiling / pitched roof, framed - concrete tiles , timber - untreated softwood (ceiling: fibreglass batts or roll; roof: foil/sarking.)

Certificate 1795246S, issued 13 May 2025, from the council's DA documents.

NatHERS certificate, certificate 37PPRMPIKB, issued 1 May 2025

NatHERS certificate

Star rating
7 stars
Rated with
FirstRate5: 5.5.5a (3.22)
Rated on
1 May 2025
Wall insulation
R2.7
Ceiling insulation
R2.5, R6.0
Floor insulation
R2.5, R2.7, R0.6, R2.4, R4.0
Living room glazing by direction
N 5.4 m², E 5.6 m², S 7.4 m², W 2.6 m²
All glazing by direction
N 8.1 m², E 10.2 m², S 13.9 m², W 7.4 m²

Roof

  • Cont:Attic-Continuous 1.3, dark colour
  • Cont:Attic-Continuous 0.0, dark colour

Window types

  • ALM-001-03 A Aluminium A SG High Solar Gain Low-E: U-value 5.4, SHGC 0.49
  • ALM-002-03 A Aluminium B SG High Solar Gain Low-E: U-value 5.4, SHGC 0.58
  • ALM-002-01 A Aluminium B SG Clear: U-value 6.7, SHGC 0.7
  • ALM-001-01 A Aluminium A SG Clear: U-value 6.7, SHGC 0.57
  • ALM-004-03 A Aluminium B DG Air Fill High Solar Gain low-E -Clear: U-value 4.3, SHGC 0.53
  • ALM-003-03 A Aluminium A DG Air Fill High Solar Gain low-E -Clear: U-value 4.3, SHGC 0.47

Window schedule

  • LIVING, window ALM-001-03 A: 2,050 × 724 mm facing E
  • LIVING, window ALM-001-03 A: 2,050 × 724 mm facing E
  • HALL / FOYER GF, window ALM-002-03 A: 2,400 × 320 mm facing E
  • PDR, window ALM-002-01 A: 600 × 850 mm facing S
  • L'DRY, window ALM-001-01 A: 1,800 × 850 mm facing S
  • BED 5, window ALM-002-03 A: 1,800 × 1,810 mm facing S
  • KIT / FAM / DIN, window ALM-004-03 A: 1,800 × 2,170 mm facing N
  • KIT / FAM / DIN, window ALM-001-03 A: 1,800 × 850 mm facing N
  • KIT / FAM / DIN, window ALM-003-03 A: 1,800 × 724 mm facing W
  • KIT / FAM / DIN, window ALM-003-03 A: 1,800 × 724 mm facing W
  • KIT / FAM / DIN, window ALM-004-03 A: 2,400 × 2,170 mm facing S
  • BED 2, window ALM-002-03 A: 1,800 × 2,170 mm facing E
  • BED 3, window ALM-002-03 A: 1,200 × 1,810 mm facing N
  • ENS, window ALM-002-03 A: 600 × 850 mm facing N
  • BED M, window ALM-002-03 A: 1,200 × 2,170 mm facing W
  • BED 4, window ALM-002-03 A: 1,200 × 1,810 mm facing W
  • RUMPUS, window ALM-002-03 A: 1,800 × 1,210 mm facing S
  • RUMPUS, window ALM-001-03 A: 1,800 × 724 mm facing E
  • RUMPUS, window ALM-001-03 A: 1,800 × 724 mm facing E
  • BATH FF, window ALM-002-01 A: 600 × 1,210 mm facing S
  • WC, window ALM-002-01 A: 600 × 724 mm facing S

Certificate 37PPRMPIKB, issued 1 May 2025, from the council's DA documents. Verify this certificate

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