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4 Lakehaven Street 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 3 kW of solar panels and a 3,000 litre rainwater tank. It beat its BASIX energy target, scoring 81 against 70.

Key features

Windows
Up to aluminium frames 40 m², single glazing 40 m²
Wall insulation
All external walls fibreglass batts or roll
Roof and ceiling insulation
Ceiling: fibreglass batts or roll; roof: foil backed blanket
Hot water
Gas instantaneous with a performance of 6 stars
Air conditioning and heating
1-phase airconditioning, ducted (living area and bedroom)

Built by Kalwanu Constructions.

BASIX certificate

Energy score
81 (target 70)
Water score
40 (target 40)
Materials score
-53
Heating load
29 MJ/m² a year
Cooling load
31 MJ/m² a year
Bedrooms
5
Conditioned floor area
205 m²
Unconditioned floor area
14 m²
Site area
576 m²
Roof area
244 m²
Garden area
60 m²
Climate zone
NatHERS climate zone 28
Hot water
Gas instantaneous with a performance of 6 stars
Solar panels
3 kW
Rainwater tank
3,000 litres
Fixtures
Showerheads 4 star, toilets 5 star, kitchen taps 5 star, basin taps 5 star
LED lighting
Yes
Cooktop
Gas
Clothes line
Yes
Maximum glazing
aluminium frames 40 m², single glazing 40 m²

Heating

  • Living area: 1-phase airconditioning - ducted; Energy rating: 3 star (average zone)
  • Bedroom: 1-phase airconditioning - ducted; Energy rating: 3 star (average zone)

Cooling

  • Living area: 1-phase airconditioning - ducted; Energy rating: 3 star (average zone)
  • Bedroom: 1-phase airconditioning - ducted; Energy rating: 3 star (average zone)

Construction and insulation

  • Floor: concrete slab on ground, waffle pod slab (no added insulation)
  • Floor: above habitable rooms or mezzanine, particle board; frame: timber - untreated softwood (no added insulation)
  • Floor: suspended floor above garage, particle board; frame: timber - untreated softwood (no added insulation)
  • Garage floor: concrete slab on ground, waffle pod slab (no added insulation)
  • External wall: brick veneer; frame: timber - untreated softwood. all external walls fibreglass batts or roll
  • External garage wall: brick veneer; frame: timber - untreated softwood (fibreglass batts or roll)
  • Internal wall shared with garage: plasterboard; frame: timber - untreated softwood (no added insulation)
  • Internal wall: plasterboard; frame: timber - untreated softwood (no added insulation)
  • Ceiling and roof: flat ceiling / pitched roof, framed - metal roof, timber - untreated softwood (ceiling: fibreglass batts or roll; roof: foil backed blanket.)

Certificate 1826118S_03, issued 6 May 2026, from the council's DA documents.

NatHERS certificate

Star rating
7 stars
Rated with
FirstRate5: 5.5.5a (3.22)
Rated on
6 May 2026

Certificate GZYHH5433S-03, issued 6 May 2026, from the council's DA documents. Verify this certificate

Other certificates for this address

NatHERS certificate, certificate GZYHH5433S-01, issued 11 March 2026

NatHERS certificate

Star rating
7 stars
Rated with
FirstRate5: 5.5.5a (3.22)
Rated on
11 Mar 2026

Certificate GZYHH5433S-01, issued 11 March 2026, from the council's DA documents. Verify this certificate

BASIX certificate, certificate 1826118S_02, issued 2 March 2026

BASIX certificate

Energy score
81 (target 70)
Water score
40 (target 40)
Thermal performance
Pass
Materials score
-53
Heating load
23 MJ/m² a year
Cooling load
36 MJ/m² a year
Bedrooms
5
Conditioned floor area
205 m²
Unconditioned floor area
14 m²
Site area
576 m²
Roof area
244 m²
Garden area
60 m²
Climate zone
NatHERS climate zone 28
Hot water
Gas instantaneous with a performance of 6 stars
Solar panels
3 kW
Rainwater tank
2,000 litres
Fixtures
Showerheads 4 star, toilets 4 star, kitchen taps 4 star, basin taps 4 star
LED lighting
Yes
Cooktop
Gas
Clothes line
Yes
Maximum glazing
aluminium frames 40 m², single glazing 40 m²

Heating

  • Living area: 1-phase airconditioning - ducted; Energy rating: 3 star (average zone)
  • Bedroom: 1-phase airconditioning - ducted; Energy rating: 3 star (average zone)

Cooling

  • Living area: 1-phase airconditioning - ducted; Energy rating: 3 star (average zone)
  • Bedroom: 1-phase airconditioning - ducted; Energy rating: 3 star (average zone)

Construction and insulation

  • Floor: concrete slab on ground, waffle pod slab (no added insulation)
  • Floor: above habitable rooms or mezzanine, particle board; frame: timber - untreated softwood (no added insulation)
  • Floor: suspended floor above garage, particle board; frame: timber - untreated softwood (no added insulation)
  • Garage floor: concrete slab on ground, waffle pod slab (no added insulation)
  • External wall: brick veneer; frame: timber - untreated softwood. all external walls fibreglass batts or roll
  • External garage wall: brick veneer; frame: timber - untreated softwood (fibreglass batts or roll)
  • Internal wall shared with garage: plasterboard; frame: timber - untreated softwood (no added insulation)
  • Internal wall: plasterboard; frame: timber - untreated softwood (no added insulation)
  • Ceiling and roof: flat ceiling / pitched roof, framed - metal roof, timber - untreated softwood (ceiling: fibreglass batts or roll; roof: foil backed blanket.)

Certificate 1826118S_02, issued 2 March 2026, from the council's DA documents.

NatHERS certificate, certificate GZYHH5433S, issued 11 December 2025

NatHERS certificate

Star rating
7.1 stars
Rated with
FirstRate5: 5.5.5a (3.22)
Rated on
11 Dec 2025

Certificate GZYHH5433S, issued 11 December 2025, from the council's DA documents. Verify this certificate

BASIX certificate, certificate 1826118S, issued 11 December 2025

BASIX certificate

Energy score
82 (target 70)
Water score
40 (target 40)
Thermal performance
Pass
Materials score
-53
Heating load
23 MJ/m² a year
Cooling load
36 MJ/m² a year
Bedrooms
5
Conditioned floor area
205 m²
Unconditioned floor area
14 m²
Site area
576 m²
Roof area
244 m²
Garden area
60 m²
Climate zone
NatHERS climate zone 28
Hot water
Gas instantaneous with a performance of 6 stars
Solar panels
3 kW
Rainwater tank
2,000 litres
Fixtures
Showerheads 4 star, toilets 4 star, kitchen taps 4 star, basin taps 4 star
LED lighting
Yes
Cooktop
Gas
Clothes line
Yes
Maximum glazing
aluminium frames 40 m², single glazing 40 m²

Heating

  • Living area: 1-phase airconditioning - ducted; Energy rating: 3 star (average zone)
  • Bedroom: 1-phase airconditioning - ducted; Energy rating: 3 star (average zone)

Cooling

  • Living area: 1-phase airconditioning - ducted; Energy rating: 3 star (average zone)
  • Bedroom: 1-phase airconditioning - ducted; Energy rating: 3 star (average zone)

Construction and insulation

  • Floor: concrete slab on ground, waffle pod slab (no added insulation)
  • Floor: above habitable rooms or mezzanine, particle board; frame: timber - untreated softwood (no added insulation)
  • Floor: suspended floor above garage, particle board; frame: timber - untreated softwood (no added insulation)
  • Garage floor: concrete slab on ground, waffle pod slab (no added insulation)
  • External wall: brick veneer; frame: timber - untreated softwood. all external walls fibreglass batts or roll
  • External garage wall: brick veneer; frame: timber - untreated softwood (fibreglass batts or roll)
  • Internal wall shared with garage: plasterboard; frame: timber - untreated softwood (no added insulation)
  • Internal wall: plasterboard; frame: timber - untreated softwood (no added insulation)
  • Ceiling and roof: flat ceiling / pitched roof, framed - metal roof, timber - untreated softwood (ceiling: fibreglass batts or roll; roof: foil backed blanket.)

Certificate 1826118S, issued 11 December 2025, from the council's DA documents.

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