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40 Penderlea Drive West Pennant Hills NSW 2125

BASIX certificate and NatHERS rating

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This home has a NatHERS rating of 7.1 stars out of 10. Its BASIX certificate commits it to 2.5 kW of solar panels and a 5,000 litre rainwater tank. Its NatHERS certificate lists insulation in the external walls, ceiling and floor. It beat its BASIX energy and water targets, scoring 73 against 72 for energy and 43 against 40 for water.

Key features

Windows
37 windows and glazed doors: 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; uPVC B DG Air Fill Low Solar Gain low-E -Clear
Wall insulation
R2.5, R2
Roof and ceiling insulation
Ceiling R4.0, R2.0, R6.0, roof Slab:Slab - Suspended Slab : 300mm: 300mm Suspended Slab 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)

Built by Sydney Keystone Constructions.

BASIX certificate

Energy score
73 (target 72)
Water score
43 (target 40)
Thermal performance
Pass
Materials score
-100
Heating load
16 MJ/m² a year
Cooling load
13 MJ/m² a year
Bedrooms
5
Conditioned floor area
476.9 m²
Unconditioned floor area
20.4 m²
Site area
1,390 m²
Roof area
286 m²
Garden area
200 m²
Climate zone
NatHERS climate zone 56
Hot water
Gas instantaneous with a performance of 6 stars
Solar panels
2.5 kW
Rainwater tank
5,000 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
uPVC frames 28.8 m², aluminium frames 135.5 m², double glazing 164.4 m²

Heating

  • Living area: 1-phase airconditioning - ducted; Energy rating: 4 star (average zone)
  • Bedroom: 1-phase airconditioning - ducted; Energy rating: 4 star (average zone)

Cooling

  • Living area: 1-phase airconditioning - ducted; Energy rating: 4 star (average zone)
  • Bedroom: 1-phase airconditioning - ducted; Energy rating: 4 star (average zone)

Construction and insulation

  • Floor: suspended floor above enclosed subfloor, concrete - suspended; frame: no frame (polystyrene)
  • 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: cavity brick; frame: timber - H2 treated softwood (no added insulation)
  • Internal wall: plasterboard; frame: timber - H2 treated softwood (fibreglass batts or roll)
  • Ceiling and roof: flat ceiling / pitched roof, framed - metal roof, timber - untreated softwood (ceiling: fibreglass batts or roll; roof: not specified.)

Certificate 1784064S_03, issued 23 July 2025, from the council's DA documents.

NatHERS certificate

Star rating
7.1 stars
Rated with
FirstRate5: 5.5.5a (3.22)
Rated on
23 Jul 2025
Wall insulation
R2.5, R2
Ceiling insulation
R4.0, R2.0, R6.0
Floor insulation
R2.5, R2, R4.0
Living room glazing by direction
SE 18.8 m², SW 13 m², NW 54 m²
All glazing by direction
NE 10.6 m², SE 45.7 m², SW 14 m², NW 94.2 m²

Roof

  • Slab:Slab - Suspended Slab : 300mm: 300mm Suspended Slab 0.0, medium colour
  • Framed:Flat - Flat Framed (Metal Deck) 0.0, medium colour
  • Framed:Flat - Flat Framed (Metal Deck) 0.0, dark colour

Window types

  • 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
  • PVC-004-04 W uPVC B DG Air Fill Low Solar Gain low-E -Clear: U-value 2.3, SHGC 0.25

Window schedule

  • Garage 2, window ATB-003-03 B: 2,400 × 6,000 mm facing NW
  • Garage 2, window ATB-004-03 B: 2,400 × 3,000 mm facing NW
  • Laundry, window ATB-003-03 B: 2,100 × 850 mm facing NE
  • Ensuite 5, window ATB-003-03 B: 2,100 × 850 mm facing NE
  • Lounge, window ATB-004-03 B: 2,400 × 1,200 mm facing SE
  • Lounge, window ATB-004-03 B: 2,400 × 1,200 mm facing SE
  • Lounge, window ATB-004-03 B: 2,400 × 1,200 mm facing SE
  • Lounge, window ATB-004-03 B: 2,400 × 1,200 mm facing SE
  • Office, window ATB-004-03 B: 2,400 × 1,200 mm facing SE
  • Office, window ATB-004-03 B: 2,400 × 1,200 mm facing SE
  • Pantry, window ATB-003-03 B: 600 × 2,410 mm facing NE
  • Pantry, window ATB-003-03 B: 600 × 2,410 mm facing NE
  • Kitch/Din/Livin- g, window ATB-004-03 B: 2,700 × 3,000 mm facing NW
  • Kitch/Din/Livin- g, window ATB-003-03 B: 2,700 × 6,000 mm facing NW
  • Kitch/Din/Livin- g, window ATB-004-03 B: 2,700 × 3,000 mm facing NW
  • Kitch/Din/Livin- g, window ATB-003-03 B: 2,700 × 4,800 mm facing SW
  • Bedroom 5, window ATB-004-03 B: 2,400 × 1,200 mm facing SE
  • Bedroom 5, window ATB-004-03 B: 2,400 × 1,200 mm facing SE
  • Ensuite 1, window ATB-003-03 B: 1,200 × 850 mm facing SW
  • Ensuite 4, window ATB-003-03 B: 1,750 × 1,100 mm facing SE
  • Ensuite 4, window ATB-003-03 B: 1,200 × 850 mm facing NE
  • Ensuite 2, window ATB-003-03 B: 1,800 × 850 mm facing NE
  • Ensuite 2, window ATB-003-03 B: 1,800 × 850 mm facing NE
  • Master Bedroom 1, window ATB-004-03 B: 2,400 × 4,090 mm facing NW
  • Master Bedroom 3, window ATB-003-03 B: 1,750 × 1,100 mm facing SE
  • Master Bedroom 3, window ATB-003-03 B: 1,750 × 1,100 mm facing SE
  • WIR 3, window ATB-003-03 B: 1,750 × 1,100 mm facing SE
  • Master Bedroom 2, window ATB-004-03 B: 2,400 × 3,000 mm facing NW
  • Master Bedroom 4, window ATB-003-03 B: 1,750 × 1,100 mm facing SE
  • Master Bedroom 4, window ATB-003-03 B: 1,750 × 1,100 mm facing SE
  • WIR 4, window ATB-003-03 B: 1,750 × 1,100 mm facing SE
  • Rumpus, window PVC-004-04 W: 2,700 × 2,680 mm facing SE
  • Rumpus, window PVC-004-04 W: 2,400 × 3,000 mm facing NW
  • Rumpus, window PVC-004-04 W: 2,400 × 3,000 mm facing NW
  • Rumpus, window PVC-004-04 W: 2,400 × 3,000 mm facing NW
  • WIR 1, window ATB-003-03 B: 1,800 × 850 mm facing NW
  • Ensuite 3, window ATB-003-03 B: 1,750 × 1,100 mm facing SE

Certificate VM1R1ZP5ST-01, issued 23 July 2025, from the council's DA documents. Verify this certificate

Other certificates for this address

BASIX certificate, certificate 1784064S_02, issued 13 May 2025

BASIX certificate

Energy score
72 (target 72)
Water score
43 (target 40)
Thermal performance
Pass
Materials score
-100
Heating load
18 MJ/m² a year
Cooling load
11 MJ/m² a year
Bedrooms
5
Conditioned floor area
488.1 m²
Unconditioned floor area
6.4 m²
Site area
1,390 m²
Roof area
280 m²
Garden area
200 m²
Climate zone
NatHERS climate zone 56
Hot water
Gas instantaneous with a performance of 6 stars
Solar panels
2.5 kW
Rainwater tank
5,000 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
uPVC frames 152.7 m², double glazing 152.7 m²

Heating

  • Living area: 1-phase airconditioning - ducted; Energy rating: 4 star (average zone)
  • Bedroom: 1-phase airconditioning - ducted; Energy rating: 4 star (average zone)

Cooling

  • Living area: 1-phase airconditioning - ducted; Energy rating: 4 star (average zone)
  • Bedroom: 1-phase airconditioning - ducted; Energy rating: 4 star (average zone)

Construction and insulation

  • Floor: suspended floor above enclosed subfloor, concrete - suspended; frame: no frame (polystyrene)
  • 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: cavity brick; frame: timber - H2 treated softwood (no added insulation)
  • Internal wall: plasterboard; frame: timber - H2 treated softwood (fibreglass batts or roll)
  • Ceiling and roof: flat ceiling / pitched roof, framed - metal roof, timber - untreated softwood (ceiling: fibreglass batts or roll; roof: not specified.)

Certificate 1784064S_02, issued 13 May 2025, from the council's DA documents.

NatHERS certificate, certificate SJS1BJV48H, issued 18 February 2025

NatHERS certificate

Star rating
7.1 stars
Rated with
FirstRate5: 5.5.5a (3.22)
Rated on
18 Feb 2025
Wall insulation
R2, R2.5
Ceiling insulation
R2.5, R6.0
Floor insulation
R2, R2.5
Living room glazing by direction
E 28.8 m², S 28.1 m², W 9.1 m²
All glazing by direction
N 16 m², E 65.5 m², S 36.1 m², W 39.6 m²

Roof

  • SlabExt:Slab - Suspended Slab - External Insul : 300mm: 300mm Suspended Slab - External Insul 0.0, medium colour
  • Slab:Slab - Suspended Slab : 300mm: 300mm Suspended Slab 0.0, medium colour
  • Cont:Attic-Continuous 1.3, dark colour

Window types

  • FIB-006-03 W Fibreglass B DG Argon Fill High Solar Gain low-E -Clear: U-value 2, SHGC 0.31
  • FIB-005-03 W Fibreglass A DG Argon Fill High Solar Gain low-E -Clear: U-value 2, SHGC 0.25

Window schedule

  • Garage, window FIB-006-03 W: 2,100 × 2,400 mm facing E
  • Garage, window FIB-006-03 W: 2,100 × 2,400 mm facing E
  • Nanny Room, window FIB-006-03 W: 900 × 1,500 mm facing N
  • Laundry, window FIB-006-03 W: 1,800 × 850 mm facing E
  • Ensuite 5, window FIB-005-03 W: 1,030 × 600 mm facing N
  • Study, window FIB-006-03 W: 2,100 × 850 mm facing W
  • Study, window FIB-006-03 W: 2,100 × 850 mm facing W
  • Pantry, window FIB-005-03 W: 600 × 1,810 mm facing N
  • Entry, window FIB-006-03 W: 550 × 2,700 mm facing W
  • Kitch/Din/Livin- g, window FIB-006-03 W: 2,700 × 1,810 mm facing S
  • Kitch/Din/Livin- g, window FIB-006-03 W: 2,700 × 5,000 mm facing S
  • Kitch/Din/Livin- g, window FIB-006-03 W: 2,700 × 3,000 mm facing E
  • Kitch/Din/Livin- g, window FIB-006-03 W: 2,700 × 3,000 mm facing E
  • Kitch/Din/Livin- g, window FIB-006-03 W: 2,400 × 2,700 mm facing S
  • Kitch/Din/Livin- g, window FIB-005-03 W: 2,450 × 1,250 mm facing E
  • Kitch/Din/Livin- g, window FIB-005-03 W: 2,450 × 1,250 mm facing E
  • Bed 5, window FIB-005-03 W: 600 × 2,410 mm facing N
  • Bed 5, window FIB-005-03 W: 2,700 × 2,040 mm facing W
  • Lounge, window FIB-006-03 W: 2,100 × 850 mm facing W
  • Lounge, window FIB-006-03 W: 2,100 × 850 mm facing W
  • Lounge, window FIB-005-03 W: 2,700 × 2,040 mm facing W
  • Lounge, window FIB-006-03 W: 2,400 × 2,700 mm facing E
  • Master Bedroom 3, window FIB-005-03 W: 1,700 × 850 mm facing W
  • Master Bedroom 3, window FIB-005-03 W: 1,700 × 850 mm facing W
  • WIR 3, window FIB-005-03 W: 2,130 × 2,040 mm facing W
  • Master Bedroom 2, window FIB-005-03 W: 1,700 × 850 mm facing W
  • Master Bedroom 2, window FIB-005-03 W: 1,700 × 850 mm facing W
  • WIR 2, window FIB-005-03 W: 2,130 × 2,040 mm facing W
  • Master Bedroom 4, window FIB-006-03 W: 2,400 × 1,810 mm facing N
  • Master Bedroom 4, window FIB-006-03 W: 1,800 × 850 mm facing E
  • Master Bedroom 4, window FIB-006-03 W: 1,800 × 850 mm facing E
  • Master Bedroom 1, window FIB-006-03 W: 2,400 × 2,700 mm facing S
  • Master Bedroom 1, window FIB-005-03 W: 2,100 × 1,250 mm facing E
  • Master Bedroom 1, window FIB-005-03 W: 2,100 × 1,250 mm facing E
  • Void, window FIB-006-03 W: 2,700 × 3,000 mm facing E
  • Void, window FIB-006-03 W: 2,700 × 3,000 mm facing E
  • Ensuite 3, window FIB-006-03 W: 1,800 × 850 mm facing S
  • Ensuite 2, window FIB-006-03 W: 1,800 × 850 mm facing N
  • Ensuite 1, window FIB-006-03 W: 1,800 × 850 mm facing N
  • Ensuite 1, window FIB-005-03 W: 1,740 × 2,350 mm facing N
  • Upper Hallway, window FIB-006-03 W: 2,000 × 2,700 mm facing W
  • Rumpus, window FIB-006-03 W: 900 × 1,810 mm facing S
  • Rumpus, window FIB-006-03 W: 900 × 1,810 mm facing S
  • Ensuite 4, window FIB-005-03 W: 850 × 610 mm facing E

Certificate SJS1BJV48H, issued 18 February 2025, from the council's DA documents. Verify this certificate

BASIX certificate, certificate 1784064S, issued 18 February 2025

BASIX certificate

Energy score
72 (target 72)
Water score
44 (target 40)
Thermal performance
Pass
Materials score
-88
Heating load
23 MJ/m² a year
Cooling load
7 MJ/m² a year
Bedrooms
6
Conditioned floor area
596.5 m²
Unconditioned floor area
57.6 m²
Site area
1,390 m²
Roof area
325 m²
Garden area
200 m²
Climate zone
NatHERS climate zone 56
Hot water
Gas instantaneous with a performance of 6 stars
Solar panels
2.5 kW
Rainwater tank
5,000 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
uPVC frames 157.1 m², double glazing 157.1 m²

Heating

  • Living area: 1-phase airconditioning - ducted; Energy rating: 4 star (average zone)
  • Bedroom: 1-phase airconditioning - ducted; Energy rating: 4 star (average zone)

Cooling

  • Living area: 1-phase airconditioning - ducted; Energy rating: 4 star (average zone)
  • Bedroom: 1-phase airconditioning - ducted; Energy rating: 4 star (average zone)

Construction and insulation

  • Floor: concrete slab on ground, conventional slab (expanding foam)
  • 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: cavity brick; frame: timber - H2 treated softwood (no added insulation)
  • Internal wall: plasterboard; frame: timber - H2 treated softwood (fibreglass batts or roll)
  • Ceiling and roof: flat ceiling / pitched roof, framed - metal roof, timber - untreated softwood (ceiling: fibreglass batts or roll; roof: foil/sarking.)

Certificate 1784064S, issued 18 February 2025, from the council's DA documents.

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