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20 Silkwood Avenue,claremont Meadow

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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 2,000 litre rainwater tank. Its NatHERS certificate lists insulation in the external walls, ceiling and floor.

Key features

Windows
31 windows and glazed doors: 502/504 Al Sliding Window DG 008_AGG PLUS Clr 4_12_4; 541/542 Al Sliding Door DG 008_AGG PLUS Clr 4_12_4; 502/504 Al Sliding Window DG 4mmLoE-366-12Ar-4mmClr and 2 more types
Wall insulation
R2.5
Roof and ceiling insulation
Ceiling R3.0, R6.0, roof Cont:Attic-Continuous 1.3, medium colour
Hot water
Gas instantaneous with a performance of 6 stars
Air conditioning and heating
1-phase airconditioning, ducted (living area and bedroom)

Built by Stallion Projects Nsw.

BASIX certificate

Energy score
70 (target 70)
Water score
40 (target 40)
Thermal performance
Pass
Materials score
-100
Heating load
24 MJ/m² a year
Cooling load
32 MJ/m² a year
Bedrooms
5
Conditioned floor area
277.7 m²
Unconditioned floor area
11.6 m²
Site area
551 m²
Roof area
286 m²
Garden area
286 m²
Climate zone
NatHERS climate zone 28
Hot water
Gas instantaneous with a performance of 6 stars
Rainwater tank
2,000 litres
Fixtures
Showerheads 4 star, toilets 4 star, kitchen taps 4 star, basin taps 4 star
LED lighting
Yes
Cooktop
Gas
Clothes line
Yes
Maximum glazing
aluminium frames 85.5 m², double glazing 85.5 m²

Heating

  • Living area: 1-phase airconditioning - ducted; Energy rating: 3 star (average zone)
  • Bedroom: 1-phase airconditioning - ducted; Energy rating: 3 star (average zone)

Cooling

  • Living area: 1-phase airconditioning - ducted; Energy rating: 3 star (average zone)
  • Bedroom: 1-phase airconditioning - ducted; Energy rating: 3 star (average zone)

Construction and insulation

  • Floor: concrete slab on ground, waffle pod slab (no added insulation)
  • Floor: above habitable rooms or mezzanine, particle board; frame: laminated veneer lumber (LVL) (fibreglass batts or roll)
  • Floor: suspended floor above garage, particle board; frame: laminated veneer lumber (LVL) (fibreglass batts or roll)
  • Garage floor: concrete slab on ground, waffle pod slab (no added insulation)
  • External wall: brick veneer; frame: timber - H2 treated softwood. all external walls fibreglass batts or roll
  • External garage wall: brick veneer; frame: timber - H2 treated softwood (fibreglass batts or roll)
  • Internal wall: plasterboard; frame: timber - H2 treated softwood (fibreglass batts or roll)
  • Internal wall: plasterboard; frame: timber - H2 treated softwood (no added insulation)
  • Ceiling and roof: flat ceiling / pitched roof, framed - metal roof, laminated veneer lumber (LVL) (ceiling: fibreglass batts or roll; roof: foil backed blanket.)

Certificate 1834266S_02, issued 24 February 2026, from the council's DA documents.

NatHERS certificate

Star rating
7.2 stars
Rated with
FirstRate5: 5.5.5a (3.22)
Rated on
23 Feb 2026
Wall insulation
R2.5
Ceiling insulation
R3.0, R6.0
Floor insulation
R2.5, R3.0
Living room glazing by direction
N 3.5 m², E 18.2 m², S 1.8 m², W 2.5 m²
All glazing by direction
N 14.6 m², E 32 m², S 7.1 m², W 31.8 m²

Roof

  • Cont:Attic-Continuous 1.3, medium colour

Window types

  • AWS-003-62 A 502/504 Al Sliding Window DG 008_AGG PLUS Clr 4_12_4: U-value 3.23, SHGC 0.48
  • AWS-013-54 A 541/542 Al Sliding Door DG 008_AGG PLUS Clr 4_12_4: U-value 2.97, SHGC 0.5
  • AWS-003-74 A 502/504 Al Sliding Window DG 4mmLoE-366-12Ar-4mmClr: U-value 3.2, SHGC 0.22
  • AWS-008-57 A 516 Al Awining Window DG 008_AGG PLUS Clr 4_12_4: U-value 3.44, SHGC 0.45
  • AWS-067-39 A RES SERIES 516 FIXED WINDOW DG 008_AGG PLUS Clr 4_12_4: U-value 2.15, SHGC 0.55

Window schedule

  • Garage, window AWS-003-62 A: 860 × 1,810 mm facing N
  • Puja, window AWS-013-54 A: 2,400 × 1,810 mm facing N
  • Bedroom 1, window AWS-003-74 A: 2,050 × 2,100 mm facing W
  • ENS, window AWS-008-57 A: 1,200 × 610 mm facing S
  • WIR, window AWS-008-57 A: 2,050 × 850 mm facing W
  • PTRY, window AWS-003-62 A: 600 × 2,100 mm facing S
  • Foyer, window AWS-067-39 A: 2,400 × 400 mm facing W
  • Kitchen/Living, window AWS-013-54 A: 2,400 × 4,000 mm facing E
  • Kitchen/Living, window AWS-003-62 A: 2,050 × 2,100 mm facing E
  • Kitchen/Living, window AWS-003-62 A: 2,050 × 2,100 mm facing E
  • Kitchen/Living, window AWS-008-57 A: 2,050 × 850 mm facing N
  • Kitchen/Living, window AWS-008-57 A: 2,050 × 850 mm facing N
  • Kitchen/Living, window AWS-067-39 A: 2,050 × 1,210 mm facing W
  • Kitchen/Living, window AWS-067-39 A: 600 × 3,010 mm facing S
  • WIR, window AWS-008-57 A: 2,050 × 850 mm facing W
  • ENS, window AWS-008-57 A: 2,100 × 900 mm facing E
  • Bedroom Master, window AWS-013-54 A: 2,400 × 3,010 mm facing W
  • Void, window AWS-067-39 A: 2,340 × 1,680 mm facing W
  • Bedroom 3, window AWS-013-54 A: 2,400 × 2,170 mm facing W
  • ENS, window AWS-008-57 A: 2,050 × 850 mm facing W
  • ENS, window AWS-008-57 A: 1,200 × 610 mm facing S
  • ENS, window AWS-008-57 A: 1,200 × 610 mm facing S
  • Bedroom 4, window AWS-003-62 A: 860 × 2,100 mm facing S
  • Bedroom 5, window AWS-003-62 A: 860 × 2,100 mm facing E
  • Bath, window AWS-003-62 A: 860 × 1,570 mm facing E
  • Media, window AWS-003-62 A: 860 × 1,810 mm facing N
  • Void2, window AWS-067-39 A: 2,050 × 900 mm facing N
  • Void2, window AWS-067-39 A: 2,050 × 900 mm facing N
  • Void2, window AWS-067-39 A: 2,050 × 1,210 mm facing W
  • Void2, window AWS-067-39 A: 2,100 × 2,100 mm facing E
  • Study, window AWS-003-62 A: 2,050 × 2,100 mm facing E

Certificate H46M8GL0TC, issued 23 February 2026, from the council's DA documents. Verify this certificate

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