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57 Roxborough Park Road Castle Hill NSW 2154

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 1,500 litre rainwater tank. It beat its BASIX energy target, scoring 79 against 72.

Key features

Windows
Up to aluminium frames 64.5 m², single glazing 64.5 m²
Wall insulation
Polyurethane; Fibreglass batts or roll+ foil/sarking
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 Nts Constructions And Building Services.

BASIX certificate

Energy score
79 (target 72)
Water score
40 (target 40)
Thermal performance
Pass
Materials score
-58
Heating load
20 MJ/m² a year
Cooling load
10 MJ/m² a year
Bedrooms
5
Conditioned floor area
266.1 m²
Unconditioned floor area
20 m²
Site area
697 m²
Roof area
254 m²
Garden area
350 m²
Climate zone
NatHERS climate zone 56
Hot water
Gas instantaneous with a performance of 6 stars
Solar panels
1 kW
Rainwater tank
1,500 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 64.5 m², single glazing 64.5 m²

Heating

  • Living area: 1-phase airconditioning - ducted; Energy rating: 2.5 star (average zone)
  • Bedroom: 1-phase airconditioning - ducted; Energy rating: 2.5 star (average zone)

Cooling

  • Living area: 1-phase airconditioning - ducted; Energy rating: 2.5 star (average zone)
  • Bedroom: 1-phase airconditioning - ducted; Energy rating: 2.5 star (average zone)

Construction and insulation

  • Floor: concrete slab on ground, conventional slab (polyurethane)
  • Floor: suspended floor above enclosed subfloor, treated softwood; frame: timber - H2 treated softwood (fibreglass batts or roll)
  • Garage floor: concrete - suspended; frame: no frame (polyurethane)
  • External wall: cavity brick; frame: no frame (polyurethane)
  • 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)
  • External garage wall: brick veneer; frame: timber - H2 treated softwood (fibreglass batts or roll+ foil/sarking)
  • Internal wall: plasterboard; frame: timber - H2 treated softwood (fibreglass batts or roll)
  • Ceiling and roof: flat ceiling / pitched roof, framed - metal roof, timber - H2 treated softwood (ceiling: fibreglass batts or roll; roof: foil backed blanket.)

Certificate 1794992S_02, issued 16 June 2025, from the council's DA documents.

NatHERS certificate

Star rating
7 stars
Rated with
FirstRate5: 5.5.5a (3.22)
Rated on
12 May 2025

Certificate KPZE3CBXT4, issued 12 May 2025, from the council's DA documents. Verify this certificate

Other certificates for this address

BASIX certificate, certificate 1794992S, issued 12 May 2025

BASIX certificate

Energy score
80 (target 72)
Water score
42 (target 40)
Thermal performance
Pass
Materials score
-58
Heating load
20 MJ/m² a year
Cooling load
10 MJ/m² a year
Bedrooms
5
Conditioned floor area
266.1 m²
Unconditioned floor area
20 m²
Site area
697 m²
Roof area
254 m²
Garden area
350 m²
Climate zone
NatHERS climate zone 56
Hot water
Gas instantaneous with a performance of 6 stars
Solar panels
1 kW
Rainwater tank
1,500 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 64.5 m², single glazing 64.5 m²

Heating

  • Living area: 1-phase airconditioning - non ducted; Energy rating: 2.5 star (average zone)
  • Bedroom: 1-phase airconditioning - non ducted; Energy rating: 2.5 star (average zone)

Cooling

  • Living area: 1-phase airconditioning - non ducted; Energy rating: 2.5 star (average zone)
  • Bedroom: 1-phase airconditioning - non ducted; Energy rating: 2.5 star (average zone)

Construction and insulation

  • Floor: concrete slab on ground, conventional slab (polyurethane)
  • Floor: suspended floor above enclosed subfloor, treated softwood; frame: timber - H2 treated softwood (fibreglass batts or roll)
  • Garage floor: concrete - suspended; frame: no frame (polyurethane)
  • External wall: cavity brick; frame: no frame (polyurethane)
  • 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)
  • External garage wall: brick veneer; frame: timber - H2 treated softwood (fibreglass batts or roll+ foil/sarking)
  • Internal wall: plasterboard; frame: timber - H2 treated softwood (fibreglass batts or roll)
  • Ceiling and roof: flat ceiling / pitched roof, framed - metal roof, timber - H2 treated softwood (ceiling: fibreglass batts or roll; roof: foil backed blanket.)

Certificate 1794992S, issued 12 May 2025, from the council's DA documents.

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