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90-98 Nepean Gorge Drive Mulgoa NSW 2745

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BASIX certificate and NatHERS rating

This home has a NatHERS rating of 7 stars out of 10. Its BASIX certificate commits it to 8 kW of solar panels and a 100,000 litre rainwater tank. Its NatHERS certificate lists insulation in the external walls, ceiling and floor. It beat its BASIX energy and water targets, scoring 91 against 70 for energy and 48 against 40 for water.

Key features

Windows
45 windows and glazed doors: Composite B DG Argon Fill Low Solar Gain low-E
Wall insulation
R2.7
Roof and ceiling insulation
Ceiling R6, roof Corrugated Iron Timber Frame Bulk, Reflective Side Down, Anti-glare Up R1.8, dark colour
Hot water
Electric heat pump with a performance of 26 to 30 STCs or better
Air conditioning and heating
3-phase airconditioning (living area and bedroom)

BASIX certificate

Energy score
91 (target 70)
Water score
48 (target 40)
Thermal performance
Pass
Materials score
-100
Heating load
39 MJ/m² a year
Cooling load
20 MJ/m² a year
Bedrooms
6
Conditioned floor area
602 m²
Unconditioned floor area
31 m²
Site area
72,840 m²
Roof area
789 m²
Garden area
4,500 m²
Climate zone
NatHERS climate zone 28
Hot water
Electric heat pump with a performance of 26 to 30 STCs or better
Solar panels
8 kW
Rainwater tank
100,000 litres
Fixtures
Showerheads 4 star, toilets 4 star, kitchen taps 5 star, basin taps 5 star
LED lighting
Yes
Cooktop
Induction
Clothes line
Yes
Maximum glazing
aluminium frames 275 m², double glazing 275 m²

Heating

  • Living area: 3-phase airconditioning; Energy rating: EER 3.0 - 3.5
  • Bedroom: 3-phase airconditioning; Energy rating: EER 3.0 - 3.5

Cooling

  • Living area: 3-phase airconditioning; Energy rating: EER 3.0 - 3.5
  • Bedroom: 3-phase airconditioning; Energy rating: EER 3.0 - 3.5

Construction and insulation

  • Floor: concrete slab on ground, conventional slab (foil-foam composite board)
  • Garage floor: concrete slab on ground (foil-foam composite board)
  • External wall: brick veneer; frame: timber - untreated softwood. all external walls rockwool batts, roll or pump-in+ foil/sarking
  • External garage wall: brick veneer; frame: timber - untreated softwood (no added insulation)
  • Internal wall: plasterboard; frame: timber - untreated softwood (no added insulation)
  • Ceiling and roof: flat ceiling / pitched roof, framed - metal roof, timber - untreated softwood (ceiling: rockwool batts, roll or pump-in; roof: foil backed blanket.)
  • Ceiling and roof: raked ceiling / pitched or skillion roof, framed - metal roof, timber - untreated softwood (ceiling: rockwool batts, roll or pump-in; roof: foil backed blanket.)

Certificate 1773347S_04, issued 26 November 2024, from the council's DA documents.

NatHERS certificate

Star rating
7 stars
Rated with
BERS Pro v5.2.3 (3.23)
Rated on
13 Nov 2024
Wall insulation
R2.7
Ceiling insulation
R6
Floor insulation
R1, R2.7, R2.3
LED downlights
162
Living room glazing by direction
N 75.7 m², E 35 m², W 29.7 m²
All glazing by direction
N 78.6 m², E 85.7 m², S 32.2 m², W 78.7 m²

Roof

  • Corrugated Iron Timber Frame Bulk, Reflective Side Down, Anti-glare Up R1.8, dark colour

Window types

  • CMP-006-04 I Composite B DG Argon Fill Low Solar Gain low-E: U-value 2.2, SHGC 0.39

Window schedule

  • Lounge, window CMP-006-04 I: 2,700 × 2,600 mm facing N
  • Lounge, window CMP-006-04 I: 1,100 × 2,600 mm facing N
  • Lounge, window CMP-006-04 I: 2,700 × 2,600 mm facing N
  • Lounge, window CMP-006-04 I: 1,100 × 2,600 mm facing N
  • Lounge, window CMP-006-04 I: 2,700 × 5,400 mm facing W
  • Entry, window CMP-006-04 I: 2,700 × 750 mm facing W
  • Entry, window CMP-006-04 I: 2,700 × 750 mm facing W
  • Entry, window CMP-006-04 I: 1,100 × 3,000 mm facing W
  • Kitchen/Living 1, window CMP-006-04 I: 2,700 × 4,100 mm facing N
  • Kitchen/Living 1, window CMP-006-04 I: 2,700 × 5,300 mm facing N
  • Kitchen/Living 1, window CMP-006-04 I: 2,700 × 4,000 mm facing N
  • WIR1, window CMP-006-04 I: 2,700 × 900 mm facing W
  • Bedroom 1, window CMP-006-04 I: 4,000 × 3,500 mm facing W
  • Bedroom 1, window CMP-006-04 I: 2,900 × 1,000 mm facing N
  • Ens1, window CMP-006-04 I: 2,900 × 1,000 mm facing S
  • Ens1, window CMP-006-04 I: 3,250 × 1,200 mm facing W
  • Ens1a, window CMP-006-04 I: 1,300 × 1,800 mm facing W
  • Rumpus, window CMP-006-04 I: 2,700 × 5,600 mm facing W
  • Rumpus, window CMP-006-04 I: 2,700 × 2,600 mm facing N
  • Rumpus, window CMP-006-04 I: 1,100 × 2,600 mm facing N
  • Rumpus, window CMP-006-04 I: 2,700 × 2,600 mm facing N
  • Rumpus, window CMP-006-04 I: 1,100 × 2,600 mm facing N
  • Rumpus, window CMP-006-04 I: 2,700 × 5,300 mm facing E
  • Kids Lounge, window CMP-006-04 I: 2,700 × 5,300 mm facing E
  • Kids Lounge, window CMP-006-04 I: 1,200 × 5,300 mm facing E
  • Hall1, window CMP-006-04 I: 2,700 × 1,200 mm facing S
  • Hall1, window CMP-006-04 I: 2,700 × 2,300 mm facing W
  • Hall1, window CMP-006-04 I: 2,700 × 2,300 mm facing W
  • Bedroom 2, window CMP-006-04 I: 2,700 × 2,500 mm facing E
  • Bedroom 3, window CMP-006-04 I: 2,700 × 2,500 mm facing E
  • Bath1, window CMP-006-04 I: 2,700 × 1,800 mm facing E
  • Bedroom 4, window CMP-006-04 I: 2,700 × 2,500 mm facing E
  • Bedroom 5, window CMP-006-04 I: 1,400 × 2,100 mm facing S
  • WIR5, window CMP-006-04 I: 2,700 × 900 mm facing S
  • Garage 1, window CMP-006-04 I: 1,500 × 2,200 mm facing S
  • Garage 1, window CMP-006-04 I: 1,500 × 2,200 mm facing S
  • Garage 1, window CMP-006-04 I: 1,500 × 2,200 mm facing W
  • Garage 1, window CMP-006-04 I: 1,500 × 2,200 mm facing W
  • Ldy, window CMP-006-04 I: 2,700 × 3,000 mm facing E
  • Bedroom 6, window CMP-006-04 I: 1,400 × 2,100 mm facing S
  • Ens5, window CMP-006-04 I: 1,400 × 1,800 mm facing S
  • Bedroom study, window CMP-006-04 I: 2,700 × 2,300 mm facing S
  • Hall3, window CMP-006-04 I: 2,700 × 3,200 mm facing E
  • Hall Airlock, window CMP-006-04 I: 2,700 × 3,300 mm facing E
  • WIR6, window CMP-006-04 I: 2,700 × 900 mm facing S

Certificate 0009826389-03, issued 13 November 2024, from the council's DA documents. Verify this certificate

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