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24 Middle Head Road 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 1 kW of solar panels and a 15,700 litre rainwater tank. Its NatHERS certificate lists insulation in the external walls and floor. It beat its BASIX energy target, scoring 76 against 72.

Key features

Windows
20 windows and glazed doors: Al Thermally Broken B DG Air Fill Clear-Clear; Al Thermally Broken A DG Air Fill High Solar Gain low-E -Clear; Al Thermally Broken B DG Air Fill High Solar Gain low-E -Clear and 2 more types
Wall insulation
R2.0
Roof and ceiling insulation
Roof Added insulation shade 300mm Soil over 200mm concrete slab roof + No ceiling under + R0.0, medium colour
Hot water
Gas instantaneous with a performance of 4 stars
Air conditioning and heating
1-phase airconditioning, non ducted (living area and bedroom); Heat pump hydronic system (living area and bedroom)

Built by Revolution Building And Construction.

BASIX certificate

Energy score
76 (target 72)
Water score
40 (target 40)
Thermal performance
Pass
Materials score
-100
Heating load
19 MJ/m² a year
Cooling load
11 MJ/m² a year
Bedrooms
2
Conditioned floor area
313.9 m²
Unconditioned floor area
24.5 m²
Site area
808 m²
Roof area
237 m²
Garden area
335 m²
Climate zone
NatHERS climate zone 56
Hot water
Gas instantaneous with a performance of 4 stars
Solar panels
1 kW
Rainwater tank
15,700 litres
Fixtures
Showerheads 4 star, toilets 4 star, kitchen taps 3 star, basin taps 5 star
LED lighting
Yes
Maximum glazing
aluminium frames 189.9 m², single glazing 14 m², double glazing 175.9 m²

Heating

  • Living area: heat pump hydronic system; Energy rating: n/a
  • Bedroom: heat pump hydronic system; Energy rating: n/a

Cooling

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

Construction and insulation

  • Floor: concrete slab on ground, conventional slab (not specified)
  • Floor: above habitable rooms or mezzanine, concrete - suspended; frame: no frame (not specified)
  • Garage floor: concrete slab on ground (not specified)
  • External wall: cavity brick; frame: no frame. all external walls not specified
  • External garage wall: cavity brick; frame: please select (not specified)
  • Internal wall: single skin masonry; frame: no frame (not specified)
  • Internal wall: plasterboard; frame: timber - untreated softwood (not specified)
  • Ceiling and roof: flat ceiling / flat roof, concrete - plasterboard internal, no frame (ceiling: not specified; roof: not specified.)

Certificate 1813240S, issued 16 September 2025, from the council's DA documents.

NatHERS certificate

Star rating
7 stars
Rated with
AccuRate Home v1.3.3.24
Rated on
16 Sep 2025
Wall insulation
R2.0
Floor insulation
R2.0
Living room glazing by direction
N 71.5 m², E 22.2 m², SE 7.7 m², S 7.7 m², SW 7.7 m²
All glazing by direction
N 105.1 m², E 39.3 m², SE 7.7 m², S 30.2 m², SW 7.7 m²

Roof

  • Added insulation shade 300mm Soil over 200mm concrete slab roof + No ceiling under + R0.0, medium colour
  • 300mm Soil over 200mm concrete slab roof + plasterb'd ceiling under + R4.0 R4.0, medium colour
  • Added insulation shade 300mm Soil over 200mm concrete slab roof + plasterb'd ceiling under + R0.0, medium colour
  • as_ROOF-B013.rof #2016 © Concrete slab 200mm - Drained Tile walking surface - R4.0 insulation under slab - Susp. Ceiling under R4.0, medium colour
  • Pebbles + Concrete slab 200mm - WP Membrane surface - R4.0 insulation under slab - Susp. Ceiling under R4.0, light colour

Window types

  • ATB-004-01 B Al Thermally Broken B DG Air Fill Clear-Clear: U-value 3.6, SHGC 0.54
  • ATB-003-03 B Al Thermally Broken A DG Air Fill High Solar Gain low-E -Clear: U-value 3.1, SHGC 0.39
  • ATB-004-03 B Al Thermally Broken B DG Air Fill High Solar Gain low-E -Clear: U-value 3.1, SHGC 0.49
  • ALM-002-03 A Aluminium B SG High Solar Gain Low-E: U-value 5.4, SHGC 0.58
  • ALM-001-03 A Aluminium A SG High Solar Gain Low-E: U-value 5.4, SHGC 0.49

Window schedule

  • P1 Powder, window ALM-002-03 A: 3,360 × 1,100 mm facing N
  • Laundry, window ALM-001-03 A: 3,360 × 900 mm facing S
  • Scullery, window ATB-004-03 B: 1,600 × 700 mm facing S
  • Kitchen Dining, window ATB-004-03 B: 3,000 × 7,400 mm facing E
  • Kitchen Dining, window ATB-004-03 B: 3,000 × 7,770 mm facing N
  • Lounge Entry Stairs, window ATB-004-03 B: 3,000 × 800 mm facing N
  • Lounge Entry Stairs, window ATB-003-03 B: 3,000 × 1,200 mm facing N
  • Lounge Entry Stairs, window ATB-004-03 B: 3,360 × 7,800 mm facing N
  • Lounge Entry Stairs, window ATB-004-01 B: 6,600 × 1,160 mm facing SW
  • Lounge Entry Stairs, window ATB-004-01 B: 6,600 × 1,165 mm facing S
  • Lounge Entry Stairs, window ATB-004-01 B: 6,600 × 1,160 mm facing SE
  • E1, window ALM-002-03 A: 2,900 × 1,100 mm facing N
  • E2, window ALM-002-03 A: 2,900 × 700 mm facing S
  • B2, window ATB-004-03 B: 2,900 × 4,450 mm facing S
  • P2 Powder, window ALM-002-03 A: 2,900 × 700 mm facing S
  • Store, window ATB-004-03 B: 2,000 × 700 mm facing S
  • Office, window ATB-004-03 B: 2,900 × 5,910 mm facing E
  • Office, window ATB-004-03 B: 2,900 × 4,760 mm facing N
  • Family, window ATB-004-03 B: 2,900 × 5,500 mm facing N
  • B1, window ATB-004-03 B: 2,900 × 4,450 mm facing N

Certificate 0012205050-01, issued 16 September 2025, from the council's DA documents. Verify this certificate

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