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12 Helena Street Randwick NSW 2031

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BASIX certificate and NatHERS rating

This home has a NatHERS rating of 7.6 stars out of 10. Its BASIX certificate commits it to 0.5 kW of solar panels. Its NatHERS certificate lists insulation in the ceiling and floor. It beat its BASIX energy target, scoring 74 against 68.

Key features

Windows
2 windows and glazed doors: Signature Sliding Door 100TB DG DuoUltraClr L1_638TransClr-12-6mm; SIG Sliding Window (100mm) DG 017_AGG MAX Clr lam 6_6_638
Wall insulation
All external walls fibreglass batts or roll
Roof and ceiling insulation
Ceiling R5.0, roof AN7KZ7TPP3-01 NatHERS Certificate 7.6 Star Rating as of 27 Sep 2024 Cont:Attic-Continuous 1.8, light colour
Hot water
Electric heat pump with a performance of 21 to 25 STCs or better
Air conditioning and heating
1-phase airconditioning, non ducted (living area)

Built by Jj Built This.

BASIX certificate

Energy score
74 (target 68)
Water score
40 (target 40)
Thermal performance
Pass
Materials score
62
Heating load
7 MJ/m² a year
Cooling load
17 MJ/m² a year
Bedrooms
1
Conditioned floor area
27.6 m²
Site area
221 m²
Roof area
36 m²
Climate zone
NatHERS climate zone 56
Hot water
Electric heat pump with a performance of 21 to 25 STCs or better
Solar panels
0.5 kW
Fixtures
Showerheads 4 star, toilets 3 star, kitchen taps 3 star, basin taps 3 star
LED lighting
Yes
Clothes line
Yes
Maximum glazing
aluminium frames 4.3 m², double glazing 4.3 m²

Heating

  • Living area: 1-phase airconditioning - non ducted; Energy rating: EER 2.5 - 3.0

Cooling

  • Living area: 1-phase airconditioning - non ducted; Energy rating: EER 2.5 - 3.0

Construction and insulation

  • Floor: suspended floor above garage, particle board; frame: timber - H2 treated softwood (fibreglass batts or roll)
  • External wall: framed (solid or reconstituted timber weatherboard); frame: timber - H2 treated softwood. all external walls fibreglass batts or roll
  • Internal wall shared with garage: plasterboard; frame: timber - H2 treated softwood (fibreglass batts or roll)
  • Internal wall: plasterboard; frame: timber - H2 treated softwood (not specified)
  • Internal wall: plasterboard; frame: timber - H2 treated softwood (fibreglass batts or roll)
  • Ceiling and roof: flat ceiling / flat roof, framed - metal roof, timber - H2 treated softwood (ceiling: fibreglass batts or roll; roof: foil backed blanket.)

Certificate 1758793S_02, issued 27 September 2024, from the council's DA documents.

NatHERS certificate

Star rating
7.6 stars
Rated with
FirstRate5: 5.5.5a (3.22)
Rated on
27 Sep 2024
Ceiling insulation
R5.0
Floor insulation
R3.5
Living room glazing by direction
S 2.2 m²
All glazing by direction
N 2.2 m², S 2.2 m²

Roof

  • AN7KZ7TPP3-01 NatHERS Certificate 7.6 Star Rating as of 27 Sep 2024 Cont:Attic-Continuous 1.8, light colour

Window types

  • BRD-101-24 A Signature Sliding Door 100TB DG DuoUltraClr L1_638TransClr-12-6mm: U-value 2.15, SHGC 0.34
  • BRD-045-56 A SIG Sliding Window (100mm) DG 017_AGG MAX Clr lam 6_6_638: U-value 3.55, SHGC 0.23

Window schedule

  • Bed 1, window BRD-101-24 A: 1,200 × 1,800 mm facing N
  • Kitch/Living/Dining/Bath, window BRD-045-56 A: 1,200 × 1,800 mm facing S

Certificate AN7KZ7TPP3-01, issued 27 September 2024, from the council's DA documents. Verify this certificate

Other certificates for this address

BASIX certificate (alterations and additions), certificate A1758796_02, issued 16 December 2024

BASIX certificate (alterations and additions)

This BASIX certificate is for alterations and additions, such as an extension or a pool, rather than a whole new house.

LED lighting
Yes

Construction and insulation

  • Concrete slab on ground floor (no added insulation)
  • Suspended floor above garage: framed (R0.7) (no added insulation)
  • Floor above existing dwelling or building (no added insulation)
  • External wall: framed (weatherboard, fibro, metal clad) R1.30 (or R1.70 including construction)
  • Raked ceiling, pitched/skillion roof: framed ceiling: R1.00 (up), roof: foil backed blanket (55 mm) light (solar absorptance < 0.475)

Certificate A1758796_02, issued 16 December 2024, from the council's DA documents.

BASIX certificate (alterations and additions), certificate A1758796, issued 6 August 2024

BASIX certificate (alterations and additions)

This BASIX certificate is for alterations and additions, such as an extension or a pool, rather than a whole new house.

LED lighting
Yes

Construction and insulation

  • Concrete slab on ground floor (no added insulation)
  • Floor above existing dwelling or building (no added insulation)
  • External wall: framed (weatherboard, fibro, metal clad) R1.30 (or R1.70 including construction)
  • Raked ceiling, pitched/skillion roof: framed ceiling: R1.00 (up), roof: foil backed blanket (55 mm) light (solar absorptance < 0.475)

Certificate A1758796, issued 6 August 2024, from the council's DA documents.

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