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6 Eumundi Avenue Badagarang NSW 2540

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 1,100 litre rainwater tank. Its NatHERS certificate lists insulation in the external walls, ceiling and floor. It beat its BASIX energy and water targets, scoring 75 against 69 for energy and 42 against 40 for water.

Key features

Windows
17 windows and glazed doors: Timber A SG Clear; Aluminium Sliding Window SG 4ETClr; Aluminium Awning Window SG 4ETClr and 3 more types
Wall insulation
R2.5
Roof and ceiling insulation
Ceiling R5, R2.7, roof Corrugated Iron Timber Frame Bulk, Reflective Side Down, No Air Gap Above R1.3, dark colour
Hot water
Electric heat pump with a performance of 26 to 30 STCs or better
Air conditioning and heating
1-phase airconditioning, ducted (living area and bedroom)

Built by Hotondo Southcoast.

BASIX certificate

Energy score
75 (target 69)
Water score
42 (target 40)
Thermal performance
Pass
Materials score
-43
Heating load
51 MJ/m² a year
Cooling load
9 MJ/m² a year
Bedrooms
4
Conditioned floor area
158 m²
Unconditioned floor area
5 m²
Site area
501 m²
Roof area
296 m²
Garden area
197 m²
Climate zone
NatHERS climate zone 18
Hot water
Electric heat pump with a performance of 26 to 30 STCs or better
Solar panels
1 kW
Rainwater tank
1,100 litres
Fixtures
Showerheads 3 star, toilets 4 star, kitchen taps 4 star, basin taps 4 star
LED lighting
Yes
Cooktop
Induction
Clothes line
Yes
Maximum glazing
aluminium frames 29 m², single glazing 29 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, 40% cement substitute, waffle pod slab (no added insulation)
  • Garage floor: concrete slab on ground, 40% cement substitute, 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: plasterboard; frame: timber - H2 treated softwood (no added insulation)
  • 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.)
  • Ceiling and roof: raked ceiling / pitched or skillion roof, framed - metal roof, laminated veneer lumber (LVL) (ceiling: fibreglass batts or roll; roof: foil backed blanket.)

Certificate 1787395S, issued 14 March 2025, from the council's DA documents.

NatHERS certificate

Star rating
7 stars
Rated with
BERS Pro v5.2.4 (3.23)
Rated on
14 Mar 2025
Wall insulation
R2.5
Ceiling insulation
R5, R2.7
Floor insulation
R2.5, R2
LED downlights
49
Living room glazing by direction
N 14.7 m², W 4 m²
All glazing by direction
N 15.4 m², E 5.5 m², S 3.1 m², W 5.5 m²

Roof

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

Window types

  • TIM-001-01 W Timber A SG Clear: U-value 5.4, SHGC 0.56
  • DOW-001-015 Aluminium Sliding Window SG 4ETClr: U-value 4.5, SHGC 0.63
  • DOW-002-015 Aluminium Awning Window SG 4ETClr: U-value 4.8, SHGC 0.55
  • DOW-006-017 Aluminium Sliding Door SG 4ETClr: U-value 4.4, SHGC 0.61
  • DOW-014-015 Aluminium Fixed Window SG 4ETClr: U-value 4.3, SHGC 0.64
  • DOW-001-001 Aluminium Sliding Window SG 3Clr: U-value 6.4, SHGC 0.75

Window schedule

  • LIVING, window DOW-001-015: 1,000 × 1,800 mm facing W
  • Kitchen/Living, window DOW-002-015: 1,800 × 600 mm facing W
  • Kitchen/Living, window DOW-002-015: 1,800 × 600 mm facing W
  • Kitchen/Living, window DOW-006-017: 2,400 × 3,600 mm facing N
  • Kitchen/Living, window DOW-014-015: 750 × 3,000 mm facing N
  • Kitchen/Living, window DOW-002-015: 1,800 × 850 mm facing N
  • Kitchen/Living, window DOW-014-015: 750 × 3,000 mm facing N
  • PTRY, window DOW-002-015: 1,200 × 600 mm facing N
  • Bedroom 4, window DOW-001-015: 1,000 × 1,450 mm facing E
  • Bedroom 3, window DOW-001-015: 1,000 × 1,450 mm facing E
  • Bedroom 2, window DOW-001-015: 1,000 × 1,450 mm facing E
  • ENS, window DOW-001-001: 400 × 1,500 mm facing E
  • MASTER, window DOW-002-015: 1,800 × 850 mm facing S
  • MASTER, window DOW-002-015: 1,800 × 850 mm facing S
  • LDRY, window DOW-001-001: 900 × 600 mm facing W
  • LDRY, window TIM-001-01 W: 1,200 × 820 mm facing W
  • ENS WC, window DOW-001-001: 900 × 600 mm facing E

Certificate 0011783602, issued 14 March 2025, from the council's DA documents.

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