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22 Burrawong Avenue Mosman NSW 2088

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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 3 kW of solar panels and a 2,500 litre rainwater tank. It beat its BASIX energy target, scoring 85 against 72.

Key features

Windows
35 windows and glazed doors: Timber A DG Air Fill Clear-Clear; Timber B DG Air Fill Clear-Clear; Ryleho Casement Window DG 4/12Ar/4ET and 1 more types
Wall insulation
Polystyrene; Rockwool batts, roll or pump-in; No added insulation; Foil/sarking
Roof and ceiling insulation
Roof Added insulation absorptance Roof Colour ATTIC-CERMTILE-01: Pitched / Attic Ceramic Tiled Roof (Roofspace) + Flat PB Ceiling 1.80, dark colour
Hot water
Gas instantaneous with a performance of 6 stars
Air conditioning and heating
3-phase airconditioning (living area and bedroom)

Built by Watermark Construction Group.

BASIX certificate

Energy score
85 (target 72)
Water score
40 (target 40)
Thermal performance
Pass
Materials score
-100
Heating load
24 MJ/m² a year
Cooling load
5 MJ/m² a year
Bedrooms
4
Conditioned floor area
354.3 m²
Unconditioned floor area
24.7 m²
Site area
772 m²
Roof area
212 m²
Garden area
350 m²
Climate zone
NatHERS climate zone 56
Hot water
Gas instantaneous with a performance of 6 stars
Solar panels
3 kW
Rainwater tank
2,500 litres
Fixtures
Showerheads 4 star, toilets 4 star, kitchen taps 5 star, basin taps 5 star
LED lighting
Yes
Cooktop
Gas
Maximum glazing
timber frames 82.9 m², double glazing 82.9 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 (not specified)
  • Floor: suspended floor above open subfloor, hard wood; frame: timber - untreated softwood (rockwool batts, roll or pump-in)
  • Garage floor: concrete slab on ground (no added insulation)
  • External wall: cavity brick; frame: no frame (polystyrene)
  • External wall: brick veneer; frame: timber - untreated softwood (rockwool batts, roll or pump-in)
  • External wall: concrete block/plasterboard; frame: no frame (no added insulation)
  • External wall: concrete block/plasterboard; frame: no frame (foil/sarking)
  • Internal wall: single skin masonry; frame: no frame (fibreglass batts or roll)
  • Ceiling and roof: flat ceiling / pitched roof, framed - terracotta tiles , timber - untreated softwood (ceiling: fibreglass batts or roll; roof: foil backed blanket.)
  • Ceiling and roof: flat ceiling / flat roof, framed - terracotta tiles , timber - untreated softwood (ceiling: fibreglass batts or roll; roof: foil backed blanket.)

Certificate 1377687S, issued 28 November 2023, from the council's DA documents.

NatHERS certificate

Star rating
7 stars
Rated with
Hero 3.1.0.6
Rated on
27 Nov 2023
All glazing by direction
N 21 m², E 24 m², S 12.6 m², W 22.9 m², NW 2.5 m²

Roof

  • Added insulation absorptance Roof Colour ATTIC-CERMTILE-01: Pitched / Attic Ceramic Tiled Roof (Roofspace) + Flat PB Ceiling 1.80, dark colour
  • (Terracota Tiles) FLAT-03: Flat Framed / Skillion Tile Roof & Flat PB Ceiling 1.80, dark colour
  • (Terracota Tiles) SLAB-200-EXP-01: Concrete Slab (200mm) with Exposed Concrete Ceiling 0.00, medium colour

Window types

  • TIM-003-01 W Timber A DG Air Fill Clear-Clear: U-value 3, SHGC 0.48
  • TIM-004-01 W Timber B DG Air Fill Clear-Clear: U-value 3, SHGC 0.56
  • RYH-007-06 W Ryleho Casement Window DG 4/12Ar/4ET: U-value 1.93, SHGC 0.44
  • RYH-010-03 W Ryleho Sliding Window DG 4/12Ar/4ET: U-value 1.91, SHGC 0.51

Window schedule

  • BED 2, window TIM-003-01 W: 1,400 × 1,200 mm facing S
  • BED 3, window TIM-003-01 W: 1,400 × 1,200 mm facing E
  • BED 3, window TIM-003-01 W: 1,400 × 1,200 mm facing E
  • BED 3, window TIM-003-01 W: 1,400 × 800 mm facing S
  • BED 4, window TIM-004-01 W: 200 × 1,200 mm facing E
  • BED 4, window TIM-003-01 W: 2,700 × 1,200 mm facing E
  • ENS 2, window TIM-003-01 W: 1,400 × 1,200 mm facing W
  • ENS 3, window TIM-003-01 W: 1,400 × 800 mm facing S
  • ENS MB, window TIM-003-01 W: 1,400 × 1,200 mm facing W
  • ENS MB, window TIM-004-01 W: 1,400 × 800 mm facing W
  • ENTRANCE, window TIM-004-01 W: 1,000 × 900 mm facing NW
  • ENTRANCE, window TIM-004-01 W: 2,600 × 900 mm facing N
  • ENTRANCE, window RYH-010-03 W: 2,600 × 400 mm facing E
  • GALLERY GF, window RYH-010-03 W: 2,600 × 1,700 mm facing N
  • GALLERY GF, window RYH-007-06 W: 2,600 × 1,700 mm facing N
  • GALLERY GF, window RYH-010-03 W: 2,600 × 1,700 mm facing N
  • GALLERY/STAIRS FF, window RYH-010-03 W: 1,800 × 900 mm facing NW
  • GALLERY/STAIRS FF, window RYH-010-03 W: 1,000 × 900 mm facing N
  • GALLERY/STAIRS FF, window RYH-010-03 W: 1,400 × 1,200 mm facing N
  • GALLERY/STAIRS FF, window RYH-010-03 W: 1,400 × 800 mm facing N
  • GALLERY/STAIRS FF, window RYH-010-03 W: 1,400 × 1,200 mm facing N
  • KLD, window TIM-003-01 W: 1,400 × 1,700 mm facing E
  • KLD, window TIM-003-01 W: 2,600 × 1,700 mm facing W
  • KLD, window TIM-003-01 W: 2,600 × 1,700 mm facing W
  • KLD, window TIM-003-01 W: 2,600 × 1,700 mm facing W
  • KLD, window TIM-003-01 W: 2,400 × 940 mm facing W
  • LAUNDRY, window TIM-003-01 W: 2,500 × 900 mm facing S
  • LIBRARY, window TIM-003-01 W: 2,350 × 4,400 mm facing E
  • MASTER, window TIM-003-01 W: 1,400 × 1,200 mm facing E
  • MASTER, window TIM-003-01 W: 2,400 × 1,200 mm facing W
  • PANTRY, window TIM-003-01 W: 1,700 × 900 mm facing S
  • PWDER, window TIM-004-01 W: 2,350 × 720 mm facing E
  • STAIR/HALL GF, window TIM-004-01 W: 1,700 × 1,200 mm facing S
  • STUDY, window TIM-003-01 W: 1,700 × 1,200 mm facing S
  • WIR 2, window TIM-003-01 W: 1,400 × 600 mm facing S

Certificate HR-WDPNOU-01, issued 27 November 2023, from the council's DA documents. Verify this certificate

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