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91 Shoalhaven Street Nowra NSW 2541

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 2,000 litre rainwater tank. Its NatHERS certificate lists insulation in the external walls, ceiling and floor. It beat its BASIX energy and water targets, scoring 74 against 69 for energy and 44 against 40 for water.

Key features

Windows
19 windows and glazed doors: Aluminium Sliding Window SG 4ETClr; Aluminium Sliding Door SG 6ETClr; Aluminium French Door SG 6ETClr and 4 more types
Wall insulation
R2.5
Roof and ceiling insulation
Ceiling R4, R2.5, roof Corrugated Iron Timber Frame Bulk, Reflective Side Down, No Air Gap Above R1.3, dark colour
Hot water
Gas instantaneous with a performance of 6 stars
Air conditioning and heating
1-phase airconditioning, ducted (living area and bedroom)

Built by Hotondo Southcoast.

BASIX certificate

Energy score
74 (target 69)
Water score
44 (target 40)
Thermal performance
Pass
Materials score
-43
Heating load
44 MJ/m² a year
Cooling load
17 MJ/m² a year
Bedrooms
4
Conditioned floor area
220 m²
Unconditioned floor area
13 m²
Site area
617 m²
Roof area
187 m²
Garden area
392 m²
Climate zone
NatHERS climate zone 18
Hot water
Gas instantaneous with a performance of 6 stars
Solar panels
1 kW
Rainwater tank
2,000 litres
Fixtures
Showerheads 3 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: EER 3.0 - 3.5
  • Bedroom: 1-phase airconditioning - ducted; Energy rating: EER 3.0 - 3.5

Cooling

  • Living area: 1-phase airconditioning - ducted; Energy rating: EER 3.0 - 3.5
  • Bedroom: 1-phase airconditioning - ducted; Energy rating: EER 3.0 - 3.5

Construction and insulation

  • Floor: concrete slab on ground, waffle pod slab (not specified)
  • 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 (fibreglass batts or roll)
  • Garage floor: concrete slab on ground, waffle pod slab (no added insulation)
  • 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)
  • External garage wall: brick veneer; frame: timber - H2 treated softwood (foil/sarking)
  • Internal wall shared with garage: plasterboard; frame: timber - H2 treated softwood (fibreglass batts or roll)
  • Internal wall: plasterboard; frame: timber - H2 treated softwood (no added insulation)
  • Ceiling and roof: flat ceiling / pitched roof, framed - metal roof, timber - H2 treated softwood (ceiling: fibreglass batts or roll; roof: foil backed blanket.)

Certificate 1757039S, issued 24 July 2024, from the council's DA documents.

NatHERS certificate

Star rating
7 stars
Rated with
BERS Pro v5.2.2 (3.23)
Rated on
24 Jul 2024
Wall insulation
R2.5
Ceiling insulation
R4, R2.5
Floor insulation
R2.5, R1
LED downlights
33
Living room glazing by direction
N 17.3 m², S 1.3 m², W 4.3 m²
All glazing by direction
N 20.5 m², E 7.2 m², S 6.4 m², W 7.3 m²

Roof

  • Corrugated Iron Timber Frame Bulk, Reflective Side Down, No Air Gap Above R1.3, dark colour

Window types

  • DOW-001-015 Aluminium Sliding Window SG 4ETClr: U-value 4.5, SHGC 0.63
  • DOW-006-012 Aluminium Sliding Door SG 6ETClr: U-value 4.3, SHGC 0.59
  • DOW-016-010 Aluminium French Door SG 6ETClr: U-value 4.6, SHGC 0.52
  • DOW-002-001 Aluminium Awning Window SG 3Clr: U-value 6.4, SHGC 0.65
  • DOW-002-015 Aluminium Awning Window SG 4ETClr: U-value 4.8, SHGC 0.55
  • DOW-001-001 Aluminium Sliding Window SG 3Clr: U-value 6.4, SHGC 0.75
  • DOW-001-018 Aluminium Sliding Window SG 4ETGy: U-value 4.5, SHGC 0.47

Window schedule

  • Kitchen/Living1, window DOW-001-015: 600 × 2,100 mm facing S
  • Kitchen/Living1, window DOW-001-015: 1,800 × 1,200 mm facing W
  • Kitchen/Living1, window DOW-006-012: 2,400 × 3,600 mm facing N
  • Kitchen/Living1, window DOW-001-015: 1,800 × 1,200 mm facing W
  • Kitchen/Living1, window DOW-001-015: 1,800 × 1,800 mm facing N
  • LDRY, window DOW-016-010: 2,400 × 900 mm facing S
  • STUDY, window DOW-001-015: 600 × 2,100 mm facing N
  • STUDY, window DOW-002-001: 1,500 × 1,200 mm facing E
  • LIVING, window DOW-001-015: 1,800 × 1,800 mm facing N
  • Bedroom 1, window DOW-002-015: 1,500 × 1,200 mm facing E
  • Bedroom 1, window DOW-002-015: 1,500 × 1,200 mm facing E
  • ENS, window DOW-001-001: 1,000 × 1,200 mm facing S
  • WIR 1, window DOW-002-001: 1,500 × 1,200 mm facing E
  • Bedroom 2, window DOW-001-015: 1,000 × 1,800 mm facing S
  • Bedroom 3, window DOW-001-018: 1,000 × 1,500 mm facing W
  • Bedroom 4, window DOW-001-018: 1,000 × 1,500 mm facing W
  • RUMPUS, window DOW-001-015: 900 × 2,400 mm facing N
  • WC, window DOW-001-001: 900 × 600 mm facing N
  • BATH, window DOW-001-001: 1,200 × 1,200 mm facing N

Certificate 0009646654, issued 24 July 2024, from the council's DA documents.

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