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4 Tasman Court Castle Hill NSW 2154

BASIX certificate and NatHERS rating

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This home has a NatHERS rating of 7.3 stars out of 10. Its BASIX certificate commits it to 2 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 73 against 72.

Key features

Windows
27 windows and glazed doors: 502/504 Al Sliding Window SG 6.38CP; RES SERIES 516 FIXED WINDOW DG 008_AGG PLUS Clr 4_12_4; 541/542 Al Sliding Door SG 6.38CP and 6 more types
Wall insulation
R2.5
Roof and ceiling insulation
Ceiling R2.5, R6.0, roof Framed:Flat - Flat Framed (Metal Deck) 0.0, medium colour
Hot water
Gas instantaneous with a performance of 6 stars
Air conditioning and heating
1-phase airconditioning, ducted (living area and bedroom)

BASIX certificate

Energy score
73 (target 72)
Water score
40 (target 40)
Materials score
-100
Heating load
12 MJ/m² a year
Cooling load
15 MJ/m² a year
Bedrooms
5
Conditioned floor area
472.3 m²
Unconditioned floor area
15 m²
Site area
1,105 m²
Roof area
405 m²
Garden area
476 m²
Climate zone
NatHERS climate zone 56
Hot water
Gas instantaneous with a performance of 6 stars
Solar panels
2 kW
Rainwater tank
3,000 litres
Fixtures
Showerheads 5 star, toilets 4 star, kitchen taps 4 star, basin taps 4 star
LED lighting
Yes
Cooktop
Gas
Clothes line
Yes
Maximum glazing
aluminium frames 143.2 m², single glazing 31.3 m², double glazing 112 m²

Heating

  • Living area: 1-phase airconditioning - ducted; Energy rating: 2.5 star (average zone)
  • Bedroom: 1-phase airconditioning - ducted; Energy rating: 2.5 star (average zone)

Cooling

  • Living area: 1-phase airconditioning - ducted; Energy rating: 2.5 star (average zone)
  • Bedroom: 1-phase airconditioning - ducted; Energy rating: 2.5 star (average zone)

Construction and insulation

  • Floor: concrete slab on ground, conventional slab (no added insulation)
  • Floor: above habitable rooms or mezzanine, plywood; frame: laminated veneer lumber (LVL) (fibreglass batts or roll)
  • Floor: suspended floor above garage, plywood; frame: laminated veneer lumber (LVL) (fibreglass batts or roll)
  • Garage floor: concrete slab on ground (no added insulation)
  • External wall: brick veneer; frame: timber - H2 treated softwood. all external walls fibreglass batts or roll+ foil/sarking
  • External garage wall: brick veneer; frame: timber - H2 treated softwood (fibreglass batts or roll+ foil/sarking)
  • 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 1791216S_03, issued 1 October 2026, from the council's DA documents.

NatHERS certificate

Star rating
7.3 stars
Rated with
FirstRate5: 5.5.5a (3.22)
Rated on
30 Sep 2026
Wall insulation
R2.5
Ceiling insulation
R2.5, R6.0
Floor insulation
R2.5
Living room glazing by direction
N 45.8 m², E 3.6 m², S 16.3 m², W 3 m²
All glazing by direction
N 74 m², E 7.6 m², S 46.5 m², W 15.1 m²

Roof

  • Framed:Flat - Flat Framed (Metal Deck) 0.0, medium colour
  • Cont:Attic-Continuous 1.8, medium colour

Window types

  • AWS-001-05 A 502/504 Al Sliding Window SG 6.38CP: U-value 4.59, 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
  • AWS-011-06 A 541/542 Al Sliding Door SG 6.38CP: U-value 4.38, SHGC 0.45
  • AWS-007-07 A 516 Al Awining Window SG 6.38CP: U-value 4.92, SHGC 0.41
  • AWS-067-51 A RES SERIES 516 FIXED WINDOW DG 4mmLoE-366-12Ar-4mmClr: U-value 2.11, SHGC 0.25
  • AWS-089-01 A RES SERIES 704 FLUSH SLIDING DOOR DG LightbridgeNeutralSII_688_12_6-mm: U-value 2.19, SHGC 0.39
  • 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-008-57 A 516 Al Awining Window DG 008_AGG PLUS Clr 4_12_4: U-value 3.44, SHGC 0.45
  • AWS-066-03 A RES SERIES 516 FIXED WINDOW SG 638ComPlsClr: U-value 3.91, SHGC 0.62

Window schedule

  • Garage, window AWS-001-05 A: 900 × 2,000 mm facing W
  • Temple, window AWS-067-39 A: 2,700 × 2,000 mm facing S
  • Study, window AWS-011-06 A: 3,000 × 2,400 mm facing N
  • LDRY, window AWS-001-05 A: 750 × 2,800 mm facing W
  • Butler, window AWS-067-39 A: 600 × 3,300 mm facing W
  • Bedroom 1, window AWS-001-05 A: 2,700 × 2,000 mm facing S
  • Bedroom 1, window AWS-001-05 A: 1,200 × 2,400 mm facing E
  • Bath, window AWS-007-07 A: 1,800 × 600 mm facing E
  • Kitchen/Living, window AWS-067-51 A: 3,175 × 4,000 mm facing N
  • Kitchen/Living, window AWS-089-01 A: 3,000 × 4,800 mm facing N
  • Kitchen/Living, window AWS-067-39 A: 3,025 × 1,800 mm facing S
  • Kitchen/Living, window AWS-067-39 A: 3,000 × 1,000 mm facing W
  • Media, window AWS-089-01 A: 3,000 × 3,000 mm facing N
  • ENS, window AWS-007-07 A: 2,700 × 800 mm facing S
  • Rumpus, window AWS-003-62 A: 3,000 × 1,200 mm facing E
  • Rumpus, window AWS-067-51 A: 3,175 × 4,000 mm facing N
  • Rumpus, window AWS-067-51 A: 2,000 × 3,000 mm facing N
  • Rumpus, window AWS-067-39 A: 3,000 × 1,800 mm facing S
  • Rumpus, window AWS-067-39 A: 3,025 × 1,800 mm facing S
  • Bedroom 3, window AWS-089-01 A: 3,000 × 2,400 mm facing S
  • Bedroom Master, window AWS-089-01 A: 3,000 × 2,800 mm facing N
  • ENS, window AWS-008-57 A: 2,400 × 900 mm facing W
  • WC, window AWS-007-07 A: 2,400 × 900 mm facing W
  • ENS, window AWS-008-57 A: 2,400 × 800 mm facing W
  • Bedroom 2, window AWS-089-01 A: 3,000 × 2,400 mm facing S
  • Bedroom 4, window AWS-001-05 A: 1,200 × 2,400 mm facing S
  • Her, window AWS-066-03 A: 2,400 × 1,500 mm facing N

Certificate OS5XFWU8VT-03, issued 30 September 2026, from the council's DA documents. Verify this certificate

Other certificates for this address

BASIX certificate, certificate 1791216S_02, issued 18 June 2026

BASIX certificate

Energy score
73 (target 72)
Water score
40 (target 40)
Materials score
-100
Heating load
12 MJ/m² a year
Cooling load
17 MJ/m² a year
Bedrooms
5
Conditioned floor area
443.1 m²
Unconditioned floor area
11.1 m²
Site area
1,105 m²
Roof area
394 m²
Garden area
476 m²
Climate zone
NatHERS climate zone 56
Hot water
Gas instantaneous with a performance of 6 stars
Solar panels
2 kW
Rainwater tank
3,000 litres
Fixtures
Showerheads 5 star, toilets 4 star, kitchen taps 4 star, basin taps 4 star
LED lighting
Yes
Cooktop
Gas
Clothes line
Yes
Maximum glazing
aluminium frames 139.1 m², single glazing 27.6 m², double glazing 111.5 m²

Heating

  • Living area: 1-phase airconditioning - ducted; Energy rating: 2.5 star (average zone)
  • Bedroom: 1-phase airconditioning - ducted; Energy rating: 2.5 star (average zone)

Cooling

  • Living area: 1-phase airconditioning - ducted; Energy rating: 2.5 star (average zone)
  • Bedroom: 1-phase airconditioning - ducted; Energy rating: 2.5 star (average zone)

Construction and insulation

  • Floor: concrete slab on ground, conventional slab (no added insulation)
  • Floor: above habitable rooms or mezzanine, plywood; frame: laminated veneer lumber (LVL) (fibreglass batts or roll)
  • Floor: suspended floor above garage, plywood; frame: laminated veneer lumber (LVL) (fibreglass batts or roll)
  • Garage floor: concrete slab on ground (no added insulation)
  • External wall: brick veneer; frame: timber - H2 treated softwood. all external walls fibreglass batts or roll+ foil/sarking
  • External garage wall: brick veneer; frame: timber - H2 treated softwood (fibreglass batts or roll+ foil/sarking)
  • 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 1791216S_02, issued 18 June 2026, from the council's DA documents.

NatHERS certificate, certificate OS5XFWU8VT, issued 17 June 2026

NatHERS certificate

Star rating
7.1 stars
Rated with
FirstRate5: 5.5.5a (3.22)
Rated on
17 Jun 2026
Wall insulation
R2.5
Ceiling insulation
R2.5, R6.0
Floor insulation
R2.5
Living room glazing by direction
N 41.7 m², E 3.6 m², S 16.3 m², W 3 m²
All glazing by direction
N 70.6 m², E 8.4 m², S 45.3 m², W 14.7 m²

Roof

  • Framed:Flat - Flat Framed (Metal Deck) 0.0, medium colour
  • Cont:Attic-Continuous 1.8, medium colour

Window types

  • AWS-001-05 A 502/504 Al Sliding Window SG 6.38CP: U-value 4.59, 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
  • AWS-011-06 A 541/542 Al Sliding Door SG 6.38CP: U-value 4.38, SHGC 0.45
  • 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-007-07 A 516 Al Awining Window SG 6.38CP: U-value 4.92, SHGC 0.41
  • AWS-067-51 A RES SERIES 516 FIXED WINDOW DG 4mmLoE-366-12Ar-4mmClr: U-value 2.11, SHGC 0.25
  • AWS-089-01 A RES SERIES 704 FLUSH SLIDING DOOR DG LightbridgeNeutralSII_688_12_6-mm: U-value 2.19, SHGC 0.39
  • AWS-008-57 A 516 Al Awining Window DG 008_AGG PLUS Clr 4_12_4: U-value 3.44, SHGC 0.45
  • AWS-066-03 A RES SERIES 516 FIXED WINDOW SG 638ComPlsClr: U-value 3.91, SHGC 0.62

Window schedule

  • Garage, window AWS-001-05 A: 900 × 2,000 mm facing W
  • Temple, window AWS-067-39 A: 2,700 × 2,000 mm facing S
  • Study, window AWS-011-06 A: 3,000 × 2,400 mm facing N
  • LDRY, window AWS-003-62 A: 600 × 2,800 mm facing W
  • Butler, window AWS-067-39 A: 600 × 3,300 mm facing W
  • Bedroom 1, window AWS-001-05 A: 2,700 × 2,000 mm facing S
  • Bedroom 1, window AWS-001-05 A: 1,200 × 2,400 mm facing E
  • Bath, window AWS-007-07 A: 2,400 × 800 mm facing E
  • Kitchen/Living, window AWS-067-51 A: 3,000 × 4,000 mm facing N
  • Kitchen/Living, window AWS-089-01 A: 3,000 × 3,500 mm facing N
  • Kitchen/Living, window AWS-067-39 A: 3,025 × 1,800 mm facing S
  • Kitchen/Living, window AWS-067-39 A: 3,000 × 1,000 mm facing W
  • Media, window AWS-089-01 A: 3,000 × 3,000 mm facing N
  • ENS, window AWS-007-07 A: 1,200 × 800 mm facing S
  • Rumpus, window AWS-003-62 A: 3,000 × 1,200 mm facing E
  • Rumpus, window AWS-067-51 A: 3,000 × 4,000 mm facing N
  • Rumpus, window AWS-067-51 A: 2,400 × 3,000 mm facing N
  • Rumpus, window AWS-067-39 A: 3,000 × 1,800 mm facing S
  • Rumpus, window AWS-067-39 A: 3,025 × 1,800 mm facing S
  • Bedroom 3, window AWS-089-01 A: 3,000 × 2,400 mm facing S
  • Bedroom Master, window AWS-089-01 A: 3,000 × 2,800 mm facing N
  • ENS, window AWS-008-57 A: 2,400 × 900 mm facing W
  • WC, window AWS-007-07 A: 2,400 × 900 mm facing W
  • ENS, window AWS-008-57 A: 2,400 × 800 mm facing W
  • Bedroom 2, window AWS-089-01 A: 3,000 × 2,400 mm facing S
  • Bedroom 4, window AWS-001-05 A: 1,200 × 2,400 mm facing S
  • Her, window AWS-066-03 A: 2,400 × 1,800 mm facing N

Certificate OS5XFWU8VT, issued 17 June 2026, from the council's DA documents. Verify this certificate

BASIX certificate, certificate 1791216S, issued 10 April 2025

BASIX certificate

Energy score
73 (target 72)
Water score
41 (target 40)
Thermal performance
Pass
Materials score
-100
Heating load
16 MJ/m² a year
Cooling load
15 MJ/m² a year
Bedrooms
5
Conditioned floor area
441.7 m²
Unconditioned floor area
14.6 m²
Site area
1,105 m²
Roof area
414 m²
Garden area
476 m²
Climate zone
NatHERS climate zone 56
Hot water
Gas instantaneous with a performance of 6 stars
Solar panels
2 kW
Rainwater tank
3,000 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 125.2 m², single glazing 73.7 m², double glazing 51.5 m²

Heating

  • Living area: 1-phase airconditioning - ducted; Energy rating: 2.5 star (average zone)
  • Bedroom: 1-phase airconditioning - ducted; Energy rating: 2.5 star (average zone)

Cooling

  • Living area: 1-phase airconditioning - ducted; Energy rating: 2.5 star (average zone)
  • Bedroom: 1-phase airconditioning - ducted; Energy rating: 2.5 star (average zone)

Construction and insulation

  • Floor: concrete slab on ground, conventional slab (no added insulation)
  • Floor: suspended floor above garage, treated softwood; frame: timber - H2 treated softwood (fibreglass batts or roll)
  • Garage floor: concrete slab on ground (no added insulation)
  • External wall: brick veneer; frame: timber - H2 treated softwood. all external walls fibreglass batts or roll+ foil/sarking
  • External garage wall: brick veneer; frame: timber - H2 treated softwood (fibreglass batts or roll+ foil/sarking)
  • 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, timber - H2 treated softwood (ceiling: fibreglass batts or roll; roof: foil backed blanket.)

Certificate 1791216S, issued 10 April 2025, from the council's DA documents.

NatHERS certificate, certificate K0FX7JJQHE, issued 31 March 2025

NatHERS certificate

Star rating
7 stars
Rated with
FirstRate5: 5.5.5a (3.22)
Rated on
31 Mar 2025
Wall insulation
R2.5
Ceiling insulation
R2.5, R6.0
Floor insulation
R2.5
Living room glazing by direction
N 47 m², E 2.9 m²
All glazing by direction
N 64.1 m², E 7.4 m², S 41.5 m², W 12.1 m²

Roof

  • Framed:Flat - Flat Framed (Metal Deck) 0.0, medium colour
  • Cont:Attic-Continuous 1.8, medium colour

Window types

  • AWS-001-19 A 502/504 Al Sliding Window SG 638CP: U-value 4.52, SHGC 0.59
  • AWS-066-03 A RES SERIES 516 FIXED WINDOW SG 638ComPlsClr: U-value 3.91, SHGC 0.62
  • AWS-013-47 A 541/542 Al Sliding Door DG 001_AGG PRIME Clr 4_12_4: U-value 3.17, SHGC 0.46
  • AWS-009-07 A 517 Al Awining Window SG 6.38CP: U-value 5.41, SHGC 0.42
  • AWS-017-48 A 548 BF Al BiFold Door DG 002_AGG PRIME Clr 5_10_5: U-value 3.65, SHGC 0.38
  • AWS-067-32 A RES SERIES 516 FIXED WINDOW DG 001_AGG PRIME Clr 4_12_4: U-value 2.38, SHGC 0.51
  • AWS-011-18 A 541/542 Al Sliding Door SG 638CP: U-value 4.36, SHGC 0.59

Window schedule

  • Garage, window AWS-001-19 A: 900 × 2,000 mm facing W
  • Temple, window AWS-066-03 A: 2,400 × 2,000 mm facing S
  • Media, window AWS-013-47 A: 2,640 × 3,000 mm facing N
  • Butler, window AWS-066-03 A: 600 × 3,340 mm facing W
  • Study, window AWS-066-03 A: 2,400 × 900 mm facing W
  • Bedroom 1, window AWS-001-19 A: 2,400 × 2,000 mm facing S
  • Bedroom 1, window AWS-001-19 A: 900 × 2,400 mm facing E
  • Bath, window AWS-009-07 A: 2,400 × 1,000 mm facing E
  • Kitchen/Living, window AWS-017-48 A: 2,640 × 3,500 mm facing N
  • Kitchen/Living, window AWS-013-47 A: 2,640 × 4,000 mm facing N
  • Kitchen/Living, window AWS-017-48 A: 2,640 × 3,000 mm facing N
  • Foyer, window AWS-066-03 A: 2,400 × 750 mm facing W
  • Foyer, window AWS-067-32 A: 2,600 × 1,800 mm facing S
  • ENS4, window AWS-009-07 A: 900 × 800 mm facing S
  • Bedroom 4, window AWS-001-19 A: 900 × 2,400 mm facing S
  • Rumpus, window AWS-001-19 A: 2,400 × 1,200 mm facing E
  • Rumpus, window AWS-066-03 A: 3,030 × 4,000 mm facing N
  • Rumpus, window AWS-066-03 A: 2,400 × 3,000 mm facing N
  • Void, window AWS-067-32 A: 3,100 × 1,800 mm facing S
  • Void, window AWS-067-32 A: 3,100 × 1,800 mm facing S
  • Study, window AWS-009-07 A: 2,400 × 800 mm facing N
  • Bedroom 3, window AWS-011-18 A: 2,640 × 2,500 mm facing S
  • Bedroom Master, window AWS-011-18 A: 2,640 × 2,400 mm facing N
  • ENS Master, window AWS-066-03 A: 900 × 1,000 mm facing N
  • ENS Master, window AWS-009-07 A: 2,400 × 1,000 mm facing W
  • ENS2, window AWS-009-07 A: 2,400 × 800 mm facing W
  • Bedroom 29, window AWS-011-18 A: 2,640 × 2,500 mm facing S

Certificate K0FX7JJQHE, issued 31 March 2025, from the council's DA documents. Verify this certificate

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Related

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