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7 Lennox Street 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 3,000 litre rainwater tank. Its NatHERS certificate lists insulation in the external walls, ceiling and floor. It beat its BASIX energy target, scoring 51 against 50.

Key features

Windows
27 windows and glazed doors: Aluminium B SG High Solar Gain Low-E; Aluminium A DG Argon Fill High Solar Gain low-E -Clear; Aluminium B DG Argon Fill High Solar Gain low-E -Clear
Wall insulation
R2.7
Roof and ceiling insulation
Ceiling R6, R1.5, roof Waterproofing Membrane No Insulation, Only an Air Gap, light colour
Hot water
Gas instantaneous with a performance of 6 stars
Air conditioning and heating
Ceiling fans + 1-phase airconditioning (living area and bedroom); Electric floor heating (living area and bedroom)

BASIX certificate

Energy score
51 (target 50)
Water score
40 (target 40)
Thermal performance
Pass
Heating load
39 MJ/m² a year
Cooling load
16 MJ/m² a year
Bedrooms
4
Conditioned floor area
248.1 m²
Unconditioned floor area
21.5 m²
Site area
525 m²
Roof area
142 m²
Garden area
200 m²
Climate zone
NatHERS climate zone 56
Hot water
Gas instantaneous with a performance of 6 stars
Solar panels
1 kW
Rainwater tank
3,000 litres
Fixtures
Showerheads 4 star, toilets 5 star, kitchen taps 5 star, basin taps 5 star
LED lighting
Yes
Cooktop
Induction
Clothes line
Yes

Heating

  • Living area: electric floor heating; Energy rating: n/a
  • Bedroom: electric floor heating; Energy rating: n/a

Cooling

  • Living area: ceiling fans + 1-phase airconditioning; Energy rating: EER > 4.0
  • Bedroom: ceiling fans + 1-phase airconditioning; Energy rating: EER > 4.0

Certificate 1377071S, issued 25 August 2023, from the council's DA documents.

NatHERS certificate

Star rating
5.7 stars
Rated with
BERS Pro v4.4.1.5 (3.21)
Rated on
24 Aug 2023
Wall insulation
R2.7
Ceiling insulation
R6, R1.5
Floor insulation
R3.5, R1.5
Living room glazing by direction
N 19.7 m², E 2.5 m², W 1.8 m²
All glazing by direction
N 34.5 m², E 10.6 m², S 19.2 m², W 16.4 m²

Roof

  • Waterproofing Membrane No Insulation, Only an Air Gap, light colour
  • Corrugated Iron Bulk, Reflective Side Down, No Air Gap Above R1.8, light colour

Window types

  • ALM-002-03 A Aluminium B SG High Solar Gain Low-E: U-value 5.4, SHGC 0.58
  • ALM-005-03 A Aluminium A DG Argon Fill High Solar Gain low-E -Clear: U-value 4.1, SHGC 0.47
  • ALM-006-03 A Aluminium B DG Argon Fill High Solar Gain low-E -Clear: U-value 4.1, SHGC 0.52

Window schedule

  • Garage, window ALM-002-03 A: 450 × 2,400 mm facing W
  • Bath, window ALM-005-03 A: 2,050 × 925 mm facing W
  • Entry, window ALM-006-03 A: 2,500 × 600 mm facing E
  • Entry, window ALM-005-03 A: 2,700 × 1,800 mm facing S
  • Stairs-GF, window ALM-006-03 A: 475 × 1,500 mm facing W
  • Kitchen/Living, window ALM-006-03 A: 450 × 2,010 mm facing W
  • Kitchen/Living, window ALM-006-03 A: 450 × 2,010 mm facing W
  • Kitchen/Living, window ALM-006-03 A: 2,700 × 3,750 mm facing N
  • Kitchen/Living, window ALM-006-03 A: 2,700 × 3,540 mm facing N
  • Kitchen/Living, window ALM-006-03 A: 2,100 × 600 mm facing E
  • Kitchen/Living, window ALM-006-03 A: 2,100 × 600 mm facing E
  • Study, window ALM-005-03 A: 1,700 × 1,720 mm facing E
  • Bedroom 1, window ALM-002-03 A: 1,800 × 930 mm facing N
  • Bedroom 1, window ALM-002-03 A: 1,800 × 4,420 mm facing N
  • ENS, window ALM-002-03 A: 1,800 × 2,040 mm facing N
  • ENS, window ALM-006-03 A: 450 × 3,635 mm facing E
  • Bedroom 2, window ALM-005-03 A: 1,400 × 2,400 mm facing W
  • Bedroom 3, window ALM-006-03 A: 1,400 × 1,100 mm facing N
  • Bedroom 3, window ALM-006-03 A: 1,400 × 1,680 mm facing W
  • Bedroom 4, window ALM-006-03 A: 1,800 × 3,500 mm facing S
  • Bedroom 4, window ALM-002-03 A: 1,800 × 950 mm facing S
  • Bedroom 4, window ALM-002-03 A: 1,800 × 950 mm facing S
  • Bath, window ALM-005-03 A: 1,500 × 975 mm facing E
  • Void, window ALM-006-03 A: 1,000 × 600 mm facing E
  • Void, window ALM-002-03 A: 2,400 × 1,940 mm facing S
  • Stairs-FF, window ALM-006-03 A: 2,400 × 1,500 mm facing W
  • Pantry, window ALM-005-03 A: 1,470 × 1,100 mm facing W

Certificate 0008474538-01, issued 24 August 2023, from the council's DA documents. Verify this certificate

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