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3 Harold Avenue Scotland Island NSW 2105

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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 2 kW of solar panels and a 40,000 litre rainwater tank. Its NatHERS certificate lists insulation in the external walls, ceiling and floor. It beat its BASIX energy and water targets, scoring 84 against 72 for energy and 75 against 40 for water.

Key features

Windows
34 windows and glazed doors: VELUX FS - Fixed Skylight DG 3mm LoE 366 / 8.5mm Argon Gap / 5.36mm Clear La
Wall insulation
R1.8
Roof and ceiling insulation
Ceiling R5, roof Waterproofing Membrane No Insulation, Only an Air Gap, dark colour
Hot water
Electric boosted solar 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
84 (target 72)
Water score
75 (target 40)
Thermal performance
Pass
Materials score
-92
Heating load
14 MJ/m² a year
Cooling load
15 MJ/m² a year
Bedrooms
2
Conditioned floor area
359.3 m²
Unconditioned floor area
18.6 m²
Site area
1,608 m²
Roof area
226 m²
Garden area
400 m²
Climate zone
NatHERS climate zone 56
Hot water
Electric boosted solar with a performance of 26 to 30 STCs or better
Solar panels
2 kW
Rainwater tank
40,000 litres
Fixtures
Showerheads 3 star, toilets 3 star, kitchen taps 3 star, basin taps 3 star
LED lighting
Yes
Clothes line
Yes
Maximum glazing
aluminium frames 151.3 m², single glazing 10.1 m², double glazing 141.2 m²

Heating

  • Living area: 3-phase airconditioning; Energy rating: EER 2.5 - 3.0
  • Bedroom: 3-phase airconditioning; Energy rating: EER 2.5 - 3.0

Cooling

  • Living area: 3-phase airconditioning; Energy rating: EER 2.5 - 3.0
  • Bedroom: 3-phase airconditioning; Energy rating: EER 2.5 - 3.0

Construction and insulation

  • Floor: concrete slab on ground, conventional slab (rockwool batts, roll or pump-in)
  • Floor: suspended floor above open subfloor, concrete - suspended; frame: timber - untreated softwood (rockwool batts, roll or pump-in)
  • Floor: above habitable rooms or mezzanine, concrete - suspended; frame: timber - untreated softwood (no added insulation)
  • External wall: concrete block/plasterboard; frame: timber - untreated softwood. all external walls rockwool batts, roll or pump-in
  • Internal wall: 200 mm AAC block; frame: timber - untreated softwood (no added insulation)
  • Ceiling and roof: flat ceiling / flat roof, concrete - plasterboard internal, no frame (ceiling: rockwool batts, roll or pump-in; roof: none.)

Certificate 1759594S_02, issued 11 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
11 Mar 2025
Wall insulation
R1.8
Ceiling insulation
R5
Floor insulation
R1.8, R1, R2.5
LED downlights
149
All glazing by direction
N 29 m², E 22.4 m², S 43.4 m², W 56.5 m²

Roof

  • Waterproofing Membrane No Insulation, Only an Air Gap, dark colour
  • Waterproofing Membrane No Insulation, Only an Air Gap, medium colour

Window types

  • VEL-011-01 W VELUX FS - Fixed Skylight DG 3mm LoE 366 / 8.5mm Argon Gap / 5.36mm Clear La: U-value 2.6, SHGC 0.24

Window schedule

  • Gym/Media-Bsm AWS-089-046-001 WB.02: 2,288 × 2,379 mm facing S
  • Gym/Media-Bsm AWS-089-046-001 WB.01: 2,288 × 6,865 mm facing W
  • Guest Bed-GF AWS-001-019-001 W0.05: 2,000 × 2,432 mm facing N
  • Stairs/Lobby-GF AWS-066-008-001 D01: 2,000 × 600 mm facing E
  • Master Bed-GF AWS-013-003-001 W0.04: 2,000 × 2,580 mm facing E
  • Master Bed-GF AWS-013-003-001 W0.03: 2,000 × 4,522 mm facing S
  • M.Ens/M.Bed-GF AWS-066-008-001 W0.02: 2,000 × 934 mm facing S
  • Scullery-GF AWS-066-008-001 W0.09: 2,000 × 1,073 mm facing S
  • Ktch/Din/Liv AWS-067-009-001 W0.01: 2,900 × 425 mm facing S
  • Ktch/Din/Liv AWS-021-003-001 W0.01: 2,900 × 1,515 mm facing S
  • Ktch/Din/Liv AWS-067-009-001 W0.01: 2,900 × 1,045 mm facing S
  • Ktch/Din/Liv AWS-067-009-001 W0.09: 500 × 1,052 mm facing E
  • Ktch/Din/Liv AWS-021-003-001 W0.09: 2,400 × 1,052 mm facing E
  • Ktch/Din/Liv AWS-067-009-001 W0.09: 2,900 × 1,148 mm facing E
  • Ktch/Din/Liv AWS-021-003-001 W0.09: 2,900 × 1,088 mm facing E
  • Ktch/Din/Liv AWS-067-009-001 W0.09: 2,900 × 2,228 mm facing E
  • Ktch/Din/Liv AWS-021-003-001 W0.08: 2,400 × 895 mm facing S
  • Ktch/Din/Liv AWS-067-009-001 W0.08: 500 × 895 mm facing S
  • Ktch/Din/Liv AWS-067-009-001 W0.08: 2,900 × 1,910 mm facing S
  • Ktch/Din/Liv AWS-021-003-001 W0.08: 1,900 × 910 mm facing S
  • Ktch/Din/Liv AWS-067-009-001 W0.08: 1,000 × 910 mm facing S
  • Ktch/Din/Liv AWS-067-009-001 W0.08: 2,900 × 1,895 mm facing S
  • Ktch/Din/Liv AWS-067-009-001 W0.07: 2,900 × 1,128 mm facing W
  • Ktch/Din/Liv AWS-067-009-001 W0.07: 500 × 1,089 mm facing W
  • Ktch/Din/Liv AWS-021-003-001 W0.07: 2,400 × 1,089 mm facing W
  • Ktch/Din/Liv AWS-067-009-001 W0.07: 2,900 × 3,347 mm facing W
  • Ktch/Din/Liv AWS-067-009-001 W0.07: 2,900 × 1,858 mm facing W
  • Ktch/Din/Liv AWS-067-009-001 W0.07: 500 × 1,078 mm facing W
  • Ktch/Din/Liv AWS-021-003-001 W0.07: 2,400 × 1,078 mm facing W
  • Ktch/Din/Liv AWS-067-009-001 W0.07: 2,900 × 3,354 mm facing W
  • Ktch/Din/Liv AWS-021-003-001 W0.07: 2,400 × 1,078 mm facing W
  • Ktch/Din/Liv AWS-067-009-001 W0.07: 500 × 1,078 mm facing W
  • Ktch/Din/Liv AWS-067-009-001 W0.07: 2,900 × 1,129 mm facing W
  • Ktch/Din/Liv AWS-089-046-001 W0.06: 2,900 × 8,331 mm facing N

Certificate 0009670761-01, issued 11 March 2025, from the council's DA documents. Verify this certificate

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