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25 Leslie Avenue Gorokan NSW 2263

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BASIX certificate and NatHERS rating

This home has a NatHERS rating of 7.2 stars out of 10. Its BASIX certificate commits it to a 5,000 litre rainwater tank. Its NatHERS certificate lists insulation in the ceiling and floor. It beat its BASIX energy and water targets, scoring 72 against 70 for energy and 60 against 40 for water.

Key features

Windows
23 windows and glazed doors: Aluminium B DG Air Fill High Solar Gain low-E -Clear; Aluminium B DG Air Fill Tint-Clear
Wall insulation
All external walls rockwool batts, roll or pump-in
Roof and ceiling insulation
Ceiling R6.1, R5.0, roof SlabExt:Slab - Suspended Slab - External Insul : 250mm: 250mm Suspended Slab - External Insul 0.0, medium colour
Hot water
Electric heat pump
Air conditioning and heating
1-phase airconditioning, ducted (living area)

BASIX certificate

Energy score
72 (target 70)
Water score
60 (target 40)
Thermal performance
Pass
Materials score
-32
Heating load
22 MJ/m² a year
Cooling load
26 MJ/m² a year
Bedrooms
7
Conditioned floor area
289.1 m²
Unconditioned floor area
22.8 m²
Site area
657 m²
Roof area
228 m²
Climate zone
NatHERS climate zone 15
Hot water
Electric heat pump
Rainwater tank
5,000 litres
Fixtures
Showerheads 4 star, toilets 6 star, kitchen taps 6 star, basin taps 6 star
LED lighting
Yes
Maximum glazing
aluminium frames 51.2 m², double glazing 51.2 m²

Heating

  • Living area: 1-phase airconditioning - ducted; Energy rating: 7 star (average zone)

Cooling

  • Living area: 1-phase airconditioning - ducted; Energy rating: 7 star (average zone)

Construction and insulation

  • Floor: concrete slab on ground, conventional slab (polyurethane)
  • Floor: suspended floor above open subfloor, hard wood; frame: light steel frame (rockwool batts, roll or pump-in)
  • Floor: above habitable rooms or mezzanine, hard wood; frame: light steel frame (rockwool batts, roll or pump-in)
  • Floor: suspended floor above garage, hard wood; frame: light steel frame (rockwool batts, roll or pump-in)
  • Garage floor: concrete slab on ground (polyurethane)
  • External wall: framed (solid or reconstituted timber weatherboard); frame: timber - untreated softwood. all external walls rockwool batts, roll or pump-in
  • External garage wall: concrete block/plasterboard; frame: no frame (rockwool batts, roll or pump-in)
  • Internal wall: plasterboard; frame: light steel frame (rockwool batts, roll or pump-in)
  • Ceiling and roof: flat ceiling / flat roof, framed - metal roof, timber - untreated softwood (ceiling: rockwool batts, roll or pump-in; roof: foil backed blanket.)

Certificate 1821887S_03, issued 30 March 2026, from the council's DA documents.

NatHERS certificate

Star rating
7.2 stars
Rated with
FirstRate5: 5.5.5a (3.22)
Rated on
30 Mar 2026
Ceiling insulation
R6.1, R5.0
Floor insulation
R5.1, R6.1
Living room glazing by direction
N 3.2 m², E 6.5 m², S 16 m²
All glazing by direction
N 10 m², E 6.5 m², S 32.6 m², W 2.2 m²

Roof

  • SlabExt:Slab - Suspended Slab - External Insul : 250mm: 250mm Suspended Slab - External Insul 0.0, medium colour
  • Cont:Attic-Continuous 1.4, medium colour

Window types

  • ALM-004-03 A Aluminium B DG Air Fill High Solar Gain low-E -Clear: U-value 4.3, SHGC 0.53
  • ALM-004-02 A Aluminium B DG Air Fill Tint-Clear: U-value 5.2, SHGC 0.39

Window schedule

  • ENTRY, window ALM-004-03 A: 2,100 × 600 mm facing S
  • RUMPUS ROOM, window ALM-004-03 A: 900 × 1,200 mm facing E
  • RUMPUS ROOM, window ALM-004-03 A: 1,200 × 1,800 mm facing E
  • RUMPUS ROOM, window ALM-004-03 A: 900 × 1,800 mm facing N
  • RUMPUS ROOM, window ALM-004-03 A: 2,100 × 3,800 mm facing S
  • LAUNDRY, window ALM-004-03 A: 900 × 600 mm facing N
  • BED 4, window ALM-004-03 A: 900 × 1,500 mm facing N
  • BED 3, window ALM-004-03 A: 900 × 1,500 mm facing N
  • BATH 1, window ALM-004-02 A: 600 × 900 mm facing W
  • ENS, window ALM-004-02 A: 600 × 900 mm facing W
  • MASTER BED, window ALM-004-03 A: 2,100 × 2,800 mm facing S
  • BED 2, window ALM-004-03 A: 1,200 × 1,500 mm facing S
  • KIT/DIN/LIV, window ALM-004-03 A: 2,100 × 3,800 mm facing S
  • KIT/DIN/LIV, window ALM-004-03 A: 900 × 1,200 mm facing E
  • KIT/DIN/LIV, window ALM-004-03 A: 1,200 × 1,800 mm facing E
  • KIT/DIN/LIV, window ALM-004-03 A: 900 × 1,800 mm facing N
  • STUDY, window ALM-004-03 A: 1,200 × 1,500 mm facing S
  • GUEST ROOM, window ALM-004-03 A: 2,100 × 2,800 mm facing S
  • POWDER ROOM, window ALM-004-02 A: 900 × 900 mm facing N
  • BED 6, window ALM-004-03 A: 900 × 1,500 mm facing N
  • BED 5, window ALM-004-03 A: 900 × 1,500 mm facing N
  • ENS, window ALM-004-02 A: 600 × 900 mm facing W
  • BATH 2, window ALM-004-02 A: 600 × 900 mm facing W

Certificate MCMN0F15VH, issued 30 March 2026, from the council's DA documents. Verify this certificate

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