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23 Burran Avenue Mosman NSW 2088

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BASIX certificate and NatHERS rating

This home has a NatHERS rating of 5.7 stars out of 10. Its BASIX certificate commits it to 1 kW of solar panels and a 4,000 litre rainwater tank. Its NatHERS certificate lists insulation in the external walls, ceiling and floor. It beat its BASIX energy and water targets, scoring 52 against 50 for energy and 41 against 40 for water.

Key features

Windows
29 windows and glazed doors: Al Thermally Broken A DG Air Fill Clear-Clear; Al Thermally Broken B DG Air Fill Clear-Clear; Aluminium A SG Clear and 2 more types
Wall insulation
R1.9
Roof and ceiling insulation
Ceiling R1, R2.5, R3.5, roof Concrete No Insulation, Only an Air Gap, medium colour
Hot water
Gas instantaneous with a performance of 6 stars
Air conditioning and heating
1-phase airconditioning (living area and bedroom)

Built by Obelisk Constructions.

BASIX certificate

Energy score
52 (target 50)
Water score
41 (target 40)
Thermal performance
Pass
Heating load
40 MJ/m² a year
Cooling load
16 MJ/m² a year
Bedrooms
4
Conditioned floor area
336.2 m²
Unconditioned floor area
41.6 m²
Site area
667 m²
Roof area
136 m²
Garden area
320 m²
Climate zone
NatHERS climate zone 56
Hot water
Gas instantaneous with a performance of 6 stars
Solar panels
1 kW
Rainwater tank
4,000 litres
Fixtures
Showerheads 4 star, toilets 4 star, kitchen taps 4 star, basin taps 4 star
LED lighting
Yes
Cooktop
Gas
Clothes line
Yes

Heating

  • Living area: 1-phase airconditioning; Energy rating: 2 star (average zone)
  • Bedroom: 1-phase airconditioning; Energy rating: 2 star (average zone)

Cooling

  • Living area: 1-phase airconditioning; Energy rating: 2 star (average zone)
  • Bedroom: 1-phase airconditioning; Energy rating: 2 star (average zone)

Certificate 1249627S, issued 25 October 2021, from the council's DA documents.

NatHERS certificate

Star rating
5.7 stars
Rated with
BERS Pro v4.4.0.6 (3.21)
Rated on
25 Oct 2021
Wall insulation
R1.9
Ceiling insulation
R1, R2.5, R3.5
Floor insulation
R2.6, R1, R1.5
Living room glazing by direction
S 27 m²
All glazing by direction
N 25.5 m², E 5.5 m², S 86.8 m², W 10.7 m²

Roof

  • Concrete No Insulation, Only an Air Gap, medium colour
  • Corrugated Iron No Insulation, Only an Air Gap, dark colour

Window types

  • ATB-003-01 B Al Thermally Broken A DG Air Fill Clear-Clear: U-value 3.6, SHGC 0.47
  • ATB-004-01 B Al Thermally Broken B DG Air Fill Clear-Clear: U-value 3.6, SHGC 0.54
  • ALM-001-01 A Aluminium A SG Clear: U-value 6.7, SHGC 0.57
  • ATB-004-03 B Al Thermally Broken B DG Air Fill High Solar Gain low-E -Clear: U-value 3.1, SHGC 0.49
  • ALS-086-05 A Aluk Infinium Sliding Door Embed DG 8mmEnTech_22Ar_8mmClr: U-value 2.4, SHGC 0.59

Window schedule

  • Bedroom 1, window ATB-003-01 B: 1,900 × 800 mm facing S
  • Bedroom 1, window ATB-004-01 B: 700 × 3,600 mm facing N
  • Ens1, window ATB-003-01 B: 1,000 × 600 mm facing E
  • Bedroom 2, window ALS-086-05 A: 2,600 × 5,200 mm facing S
  • Ens2, window ATB-003-01 B: 1,000 × 600 mm facing E
  • Bedroom 3, window ALS-086-05 A: 2,600 × 4,000 mm facing S
  • Ens3, window ATB-003-01 B: 1,000 × 600 mm facing W
  • Laundry, window ALM-001-01 A: 1,000 × 600 mm facing W
  • L1 Hall, window ATB-003-01 B: 2,600 × 1,100 mm facing E
  • L1 Hall, window ATB-003-01 B: 2,600 × 1,100 mm facing S
  • L1 Hall, window ATB-004-01 B: 1,700 × 1,300 mm facing W
  • L1 Hall, window ATB-004-01 B: 2,600 × 1,800 mm facing N
  • L1 Hall, window ATB-004-01 B: 2,700 × 1,200 mm facing N
  • L1 Hall, window ATB-004-01 B: 2,700 × 1,200 mm facing S
  • L1 Hall, window ATB-004-03 B: 3,000 × 5,100 mm facing S
  • Kitchen/Living, window ALS-086-05 A: 3,000 × 5,400 mm facing S
  • L2 Hall, window ATB-004-01 B: 3,000 × 1,300 mm facing W
  • L2 Hall, window ATB-004-01 B: 3,000 × 1,800 mm facing N
  • Powder, window ALM-001-01 A: 1,800 × 700 mm facing N
  • Scullery, window ATB-004-01 B: 700 × 2,100 mm facing E
  • Scullery, window ATB-003-01 B: 1,800 × 1,000 mm facing N
  • Bedroom 4, window ALS-086-05 A: 2,700 × 4,000 mm facing S
  • WIR4, window ATB-003-01 B: 1,800 × 600 mm facing S
  • Ens4, window ATB-003-01 B: 1,700 × 500 mm facing N
  • Ens4, window ATB-003-01 B: 1,700 × 500 mm facing N
  • Lounge, window ALS-086-05 A: 2,700 × 4,000 mm facing S
  • L3 Hall, window ATB-003-01 B: 1,800 × 600 mm facing S
  • L3 Hall, window ATB-004-01 B: 2,600 × 1,300 mm facing W
  • L3 Hall, window ATB-004-01 B: 2,700 × 1,800 mm facing N

Certificate 0006707152, issued 25 October 2021, from the council's DA documents. Verify this certificate

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