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115A Porters Road Kenthurst NSW 2156

BASIX certificate and NatHERS rating

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This home has a NatHERS rating of 7 stars out of 10. Its BASIX certificate commits it to 6.6 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 and water targets, scoring 98 against 70 for energy and 42 against 40 for water.

Key features

Windows
21 windows and glazed doors
Wall insulation
R2.5
Roof and ceiling insulation
Ceiling R6, R3, roof Construction Insulation Reflective wrap* Roof Tiles Timber Frame Foil, Gap Above, Reflective Side Down, Anti-glare Up, medium colour
Hot water
Electric heat pump with a performance of 15 to 20 STCs or better
Air conditioning and heating
3-phase airconditioning (living area and bedroom)

Built by Wisdom Homes.

BASIX certificate

Energy score
98 (target 70)
Water score
42 (target 40)
Thermal performance
Pass
Materials score
-95
Heating load
48 MJ/m² a year
Cooling load
12 MJ/m² a year
Bedrooms
5
Conditioned floor area
286.1 m²
Unconditioned floor area
18.7 m²
Site area
22,040 m²
Roof area
463 m²
Garden area
500 m²
Climate zone
NatHERS climate zone 28
Hot water
Electric heat pump with a performance of 15 to 20 STCs or better
Solar panels
6.6 kW
Rainwater tank
3,000 litres
Fixtures
Showerheads 3 star, toilets 4 star, kitchen taps 4 star, basin taps 5 star
LED lighting
Yes
Cooktop
Gas
Clothes line
Yes
Maximum glazing
aluminium frames 65.4 m², single glazing 31.1 m², double glazing 34.3 m²

Heating

  • Living area: 3-phase airconditioning; Energy rating: EER 3.0 - 3.5
  • Bedroom: 3-phase airconditioning; Energy rating: EER 3.0 - 3.5

Cooling

  • Living area: 3-phase airconditioning; Energy rating: EER 3.0 - 3.5
  • Bedroom: 3-phase airconditioning; Energy rating: EER 3.0 - 3.5

Construction and insulation

  • Floor: concrete slab on ground, waffle pod slab (no added insulation)
  • 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 (no added insulation)
  • Internal wall: plasterboard; 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 - concrete tiles , timber - H2 treated softwood (ceiling: fibreglass batts or roll; roof: foil/sarking.)
  • Ceiling and roof: raked ceiling / pitched or skillion roof, framed - concrete tiles , timber - H2 treated softwood (ceiling: fibreglass batts or roll; roof: foil/sarking.)

Certificate 1830011S_04, issued 12 March 2026, from the council's DA documents.

NatHERS certificate

Star rating
7 stars
Rated with
BERS Pro v5.2.6 (3.23)
Rated on
12 Mar 2026
Wall insulation
R2.5
Ceiling insulation
R6, R3
Floor insulation
R2.5
Living room glazing by direction
NE 2.2 m², SE 12.4 m², SW 4.8 m²
All glazing by direction
NE 8.7 m², SE 31.9 m², SW 4.8 m², NW 18.5 m²

Roof

  • Construction Insulation Reflective wrap* Roof Tiles Timber Frame Foil, Gap Above, Reflective Side Down, Anti-glare Up, medium colour

Window schedule

  • GUEST BED TND-002-003-001 W6: 1,800 × 1,570 mm facing NW
  • ENS 3 TND-002-002-001 W7: 1,200 × 1,810 mm facing NW
  • HOME OFFICE TND-002-012-001 W5: 1,800 × 1,570 mm facing NW
  • Bedroom 2 TND-002-003-001 W4: 1,800 × 1,570 mm facing NW
  • BATH TND-002-002-001 W3: 1,200 × 1,810 mm facing NW
  • STUDY TND-002-012-001 W2: 1,800 × 1,570 mm facing NW
  • Bedroom 3 TND-002-003-001 W1: 1,800 × 1,570 mm facing NW
  • ENS 2 TND-002-002-001 W14: 1,460 × 1,570 mm facing NE
  • Bedroom 4 TND-002-003-001 W13: 1,800 × 1,810 mm facing SE
  • MASTER SUITE TND-021-020-001 D6: 2,040 × 1,440 mm facing SE
  • ENS 1 TND-001-001-001 W8: 1,200 × 2,410 mm facing SE
  • LIVING TND-002-012-001 W9: 1,800 × 1,210 mm facing NE
  • 1/LIVING: 2,040 × 410 mm facing SE
  • 2/LIVING: 2,040 × 410 mm facing SE
  • LIVING TND-030-003-001 D5: 2,040 × 1,440 mm facing SE
  • L'DRY TND-017-001-001 D2: 2,340 × 1,810 mm facing NE
  • L'DRY TND-001-001-001 W12: 600 × 1,810 mm facing SE
  • Kitchen/Living TND-001-023-001 W11: 1,800 × 2,170 mm facing SE
  • Kitchen/Living TND-001-023-001 W10: 1,800 × 2,170 mm facing SE
  • Kitchen/Living TND-017-009-001 D3: 2,340 × 2,050 mm facing SW
  • LEISURE TND-017-015-001 D4: 2,340 × 3,970 mm facing SE

Certificate 0012838280, issued 12 March 2026, from the council's DA documents. Verify this certificate

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