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53 Cuzco Street South Coogee NSW 2034

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BASIX certificate and NatHERS rating

This home has a NatHERS rating of 7.2 stars out of 10. Its BASIX certificate commits it to 10 kW of solar panels and a 3,000 litre rainwater tank. It beat its BASIX energy target, scoring 100 against 72.

Key features

Windows
40 windows and glazed doors: Thermally Broken Aluminium Awning Window DG 4Clr/12Ar /4Clr; CP 50 Thermally Broken Sliding Door DG 6-12Ar-6EA
Wall insulation
All external walls polyester minimum 85% post-consumer recycled content+ foil/sarking
Roof and ceiling insulation
Roof Added insulation absorptance Roof Colour Roof type Added insulation absorptance Roof Colour SLAB-100-CEIL-01: Concrete Slab (100mm) with Suspended PB Ceiling 4.10, light colour
Hot water
Electric heat pump with a performance of 15 to 20 STCs or better
Air conditioning and heating
1-phase airconditioning, non ducted (living area and bedroom); Heat pump hydronic system (living area and bedroom)

BASIX certificate

Energy score
100 (target 72)
Water score
40 (target 40)
Thermal performance
Pass
Materials score
-100
Heating load
15 MJ/m² a year
Cooling load
13 MJ/m² a year
Bedrooms
4
Conditioned floor area
301 m²
Unconditioned floor area
8 m²
Site area
520 m²
Roof area
137 m²
Garden area
142 m²
Climate zone
NatHERS climate zone 56
Hot water
Electric heat pump with a performance of 15 to 20 STCs or better
Solar panels
10 kW
Rainwater tank
3,000 litres
Fixtures
Showerheads 3 star, toilets 5 star, kitchen taps 4 star, basin taps 5 star
LED lighting
Yes
Cooktop
Induction
Clothes line
Yes
Maximum glazing
aluminium frames 153 m², double glazing 153 m²

Heating

  • Living area: heat pump hydronic system; Energy rating: n/a
  • Bedroom: heat pump hydronic system; Energy rating: n/a

Cooling

  • Living area: 1-phase airconditioning - non ducted; Energy rating: 5 star (average zone)
  • Bedroom: 1-phase airconditioning - non ducted; Energy rating: 5 star (average zone)

Construction and insulation

  • Floor: concrete slab on ground, 100% geopolymer cement replacement, conventional slab (polystyrene)
  • Floor: suspended floor above enclosed subfloor, concrete - suspended; frame: no frame (polystyrene+ foil/sarking)
  • Floor: suspended floor above open subfloor, concrete - suspended; frame: no frame (polystyrene)
  • Floor: above habitable rooms or mezzanine, concrete - suspended; frame: no frame (polystyrene)
  • External wall: cavity construction using blocks with low cement content and reconstituted sawdust; frame: no frame. all external walls polyester minimum 85% post-consumer recycled content+ foil/sarking
  • External garage wall: cavity brick; frame: no frame (polystyrene+ foil/sarking)
  • Internal wall: single skin masonry; frame: no frame (no added insulation)
  • Internal wall: single skin masonry; frame: no frame (not specified)
  • Ceiling and roof: flat ceiling / flat roof, concrete - plasterboard internal, no frame (ceiling: fibreglass batts or roll; roof: foil/sarking.)

Certificate 1779124S, issued 23 December 2024, from the council's DA documents.

NatHERS certificate

Star rating
7.2 stars
Rated with
Hero 4.1
Rated on
20 Dec 2024
Living room glazing by direction
N 9.3 m², E 38.1 m², S 7.4 m²
All glazing by direction
N 31.7 m², E 68.5 m², S 39.3 m², W 2.3 m²

Roof

  • Added insulation absorptance Roof Colour Roof type Added insulation absorptance Roof Colour SLAB-100-CEIL-01: Concrete Slab (100mm) with Suspended PB Ceiling 4.10, light colour

Window types

  • DOW-021-04 B Thermally Broken Aluminium Awning Window DG 4Clr/12Ar /4Clr: U-value 2.6, SHGC 0.55
  • REY-002-05 B CP 50 Thermally Broken Sliding Door DG 6-12Ar-6EA: U-value 2.3, SHGC 0.51

Window schedule

  • Bed 1, window REY-002-05 B: 2,600 × 1,700 mm facing S
  • Bed 1, window DOW-021-04 B: 1,200 × 2,100 mm facing S
  • Bed 1, window REY-002-05 B: 400 × 4,300 mm facing S
  • Bed 1, window REY-002-05 B: 2,600 × 3,100 mm facing E
  • Bed 2, window REY-002-05 B: 400 × 2,800 mm facing N
  • Bed 2, window REY-002-05 B: 400 × 700 mm facing N
  • Bed 2, window REY-002-05 B: 2,600 × 850 mm facing N
  • Bed 2, window REY-002-05 B: 2,600 × 3,200 mm facing E
  • Bed 3, window REY-002-05 B: 2,500 × 3,000 mm facing E
  • Bed 3, window DOW-021-04 B: 2,500 × 850 mm facing E
  • Bed 3, window REY-002-05 B: 2,500 × 2,150 mm facing S
  • Bed 3, window DOW-021-04 B: 400 × 4,100 mm facing W
  • Bed 3, window REY-002-05 B: 2,500 × 800 mm facing N
  • Bed 3, window DOW-021-04 B: 2,200 × 750 mm facing N
  • Bed 3, window REY-002-05 B: 400 × 6,700 mm facing N
  • Bed 4, window DOW-021-04 B: 400 × 650 mm facing N
  • Bed 4, window DOW-021-04 B: 2,400 × 1,700 mm facing N
  • ENS 1, window DOW-021-04 B: 1,450 × 2,100 mm facing S
  • ENS 1, window REY-002-05 B: 400 × 2,600 mm facing S
  • ENS 2&4, window DOW-021-04 B: 2,400 × 1,000 mm facing N
  • ENS 3, window REY-002-05 B: 400 × 3,190 mm facing S
  • ENS 3, window DOW-021-04 B: 400 × 1,600 mm facing W
  • Entry L1, window DOW-021-04 B: 1,900 × 850 mm facing S
  • Hall L2, window REY-002-05 B: 1,550 × 2,150 mm facing S
  • Hall L2, window REY-002-05 B: 1,400 × 2,150 mm facing S
  • Hall L2, window DOW-021-04 B: 1,700 × 1,950 mm facing N
  • Kitchen/Living, window REY-002-05 B: 2,700 × 1,900 mm facing N
  • Kitchen/Living, window REY-002-05 B: 2,700 × 2,800 mm facing E
  • Kitchen/Living, window DOW-021-04 B: 1,450 × 1,500 mm facing S
  • Ldry, window DOW-021-04 B: 1,700 × 1,050 mm facing N
  • Lift L3, window REY-002-05 B: 2,500 × 1,750 mm facing E
  • Living, window REY-002-05 B: 2,400 × 1,100 mm facing N
  • Living, window REY-002-05 B: 450 × 3,300 mm facing N
  • Living, window REY-002-05 B: 2,500 × 7,400 mm facing E
  • Living, window REY-002-05 B: 2,500 × 1,100 mm facing S
  • Living, window REY-002-05 B: 450 × 5,400 mm facing S
  • Study/Guest, window DOW-021-04 B: 2,700 × 1,600 mm facing S
  • Living, window REY-002-05 B: 2,700 × 4,450 mm facing E
  • WC GF, window REY-002-05 B: 450 × 600 mm facing S
  • WIR 2, window REY-002-05 B: 400 × 1,600 mm facing N

Certificate HR-DT1XW3-01, issued 20 December 2024, from the council's DA documents. Verify this certificate

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