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10 Narelle Avenue Castle Hill NSW 2154

BASIX certificate and NatHERS rating

Finding the block on the map…

This home beat its BASIX energy and water targets, scoring 74 against 68 for energy and 41 against 40 for water.

Key features

Wall insulation
Solar absorptance 0.48-0.7
Hot water
Electric boosted solar with a performance of 26 to 30 STCs or better
Air conditioning and heating
1-phase airconditioning, non ducted (living area)

Built by Caliber Builders.

BASIX certificate

Energy score
74 (target 68)
Water score
41 (target 40)
Thermal performance
Pass
Materials score
-10
Bedrooms
3
Conditioned floor area
52.5 m²
Unconditioned floor area
7.5 m²
Site area
696 m²
Roof area
79 m²
Garden area
24 m²
Hot water
Electric boosted solar with a performance of 26 to 30 STCs or better
Fixtures
Showerheads 4 star, toilets 5 star, kitchen taps 5 star, basin taps 5 star
LED lighting
Yes
Cooktop
Gas
Clothes line
Yes

Heating

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

Cooling

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

Construction and insulation

  • Floor: concrete slab on ground, waffle pod slab (no added insulation)
  • External wall: brick veneer; frame: timber - H2 treated softwood. all external walls 2.44 (or 3.00 including construction);fibreglass batts or roll + reflective foil in the cavity nil wall colour: Medium (solar absorptance 0.48-0.7)
  • Internal wall: plasterboard; frame: timber - H2 treated softwood (fibreglass batts or roll nil)

Certificate 1429136S_05, issued 11 March 2025, from the council's DA documents.

Other certificates for this address

BASIX certificate, certificate 1429125S_05, issued 24 February 2025

BASIX certificate

Energy score
79 (target 72)
Water score
41 (target 40)
Thermal performance
Pass
Materials score
-32
Bedrooms
5
Conditioned floor area
236.4 m²
Unconditioned floor area
32.7 m²
Site area
696 m²
Roof area
215 m²
Garden area
279 m²
Hot water
Gas instantaneous with a performance of 5 stars
Solar panels
2 kW
Rainwater tank
3,000 litres
Fixtures
Showerheads 4 star, toilets 4 star, kitchen taps 5 star, basin taps 5 star
LED lighting
Yes
Cooktop
Gas
Clothes line
Yes

Heating

  • Living area: 3-phase airconditioning; Energy rating: EER 3.5 - 4.0
  • Bedroom: 3-phase airconditioning; Energy rating: EER 3.5 - 4.0

Cooling

  • Living area: 3-phase airconditioning; Energy rating: EER 3.5 - 4.0
  • Bedroom: 3-phase airconditioning; Energy rating: EER 3.5 - 4.0

Construction and insulation

  • Floor: concrete slab on ground, waffle pod slab (no added insulation)
  • Floor: above habitable rooms or mezzanine, particle board; frame: timber - H2 treated softwood (no added insulation)
  • Floor: suspended floor above garage, particle board; frame: timber - H2 treated softwood (no added insulation)

Certificate 1429125S_05, issued 24 February 2025, from the council's DA documents.

BASIX certificate, certificate 1429136S_04, issued 6 January 2025

BASIX certificate

Energy score
70 (target 68)
Water score
41 (target 40)
Thermal performance
Pass
Materials score
-10
Bedrooms
3
Conditioned floor area
52.5 m²
Unconditioned floor area
7.5 m²
Site area
696 m²
Roof area
79 m²
Garden area
24 m²
Hot water
Gas instantaneous with a performance of 5 stars
Fixtures
Showerheads 4 star, toilets 5 star, kitchen taps 5 star, basin taps 5 star
LED lighting
Yes
Cooktop
Gas
Clothes line
Yes

Heating

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

Cooling

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

Construction and insulation

  • Floor: concrete slab on ground, waffle pod slab (no added insulation)
  • External wall: brick veneer; frame: timber - H2 treated softwood. all external walls 2.44 (or 3.00 including construction);fibreglass batts or roll + reflective foil in the cavity nil wall colour: Medium (solar absorptance 0.48-0.7)
  • Internal wall: plasterboard; frame: timber - H2 treated softwood (fibreglass batts or roll nil)

Certificate 1429136S_04, issued 6 January 2025, from the council's DA documents.

BASIX certificate, certificate 1429125S_03, issued 2 January 2025

BASIX certificate

Energy score
80 (target 72)
Water score
40 (target 40)
Thermal performance
Pass
Materials score
-38
Bedrooms
5
Conditioned floor area
236.4 m²
Unconditioned floor area
32.7 m²
Site area
696 m²
Roof area
215 m²
Garden area
279 m²
Hot water
Gas instantaneous with a performance of 5 stars
Solar panels
2 kW
Rainwater tank
2,000 litres
Fixtures
Showerheads 4 star, toilets 4 star, kitchen taps 5 star, basin taps 5 star
LED lighting
Yes
Cooktop
Gas
Clothes line
Yes

Heating

  • Living area: 3-phase airconditioning; Energy rating: EER 3.5 - 4.0
  • Bedroom: 3-phase airconditioning; Energy rating: EER 3.5 - 4.0

Cooling

  • Living area: 3-phase airconditioning; Energy rating: EER 3.5 - 4.0
  • Bedroom: 3-phase airconditioning; Energy rating: EER 3.5 - 4.0

Construction and insulation

  • Floor: concrete slab on ground, waffle pod slab (no added insulation)
  • Floor: above habitable rooms or mezzanine, particle board; frame: timber - H2 treated softwood (no added insulation)
  • Floor: suspended floor above garage, particle board; frame: timber - H2 treated softwood (no added insulation)

Certificate 1429125S_03, issued 2 January 2025, from the council's DA documents.

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