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56 Stewart Street Lennox Head NSW 2478

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BASIX certificate and NatHERS rating

This home has a NatHERS rating of 5.1 stars out of 10. Its BASIX certificate commits it to 3 kW of solar panels and a 3,000 litre rainwater tank. It beat its BASIX energy target, scoring 71 against 68.

Key features

Windows
38 windows and glazed doors: Timber A SG Clear; Cedar Awning Window - Double Glazed; Cedar Sliding Door - Single Glazed and 3 more types
Wall insulation
All external walls fibreglass batts or roll
Roof and ceiling insulation
Roof Added insulation absorptance Roof Colour FLAT-01: Flat Framed / Skillion Metal Roof & Flat PB Ceiling 0.00, medium colour
Hot water
Electric storage
Air conditioning and heating
1-phase airconditioning, ducted (living area and bedroom)

Built by Twil Constructions.

BASIX certificate

Energy score
71 (target 68)
Water score
40 (target 40)
Thermal performance
Pass
Materials score
-8
Heating load
11 MJ/m² a year
Cooling load
54 MJ/m² a year
Bedrooms
5
Conditioned floor area
281 m²
Unconditioned floor area
18.8 m²
Site area
755 m²
Roof area
320 m²
Garden area
300 m²
Climate zone
NatHERS climate zone 10
Hot water
Electric storage
Solar panels
3 kW
Rainwater tank
3,000 litres
Fixtures
Showerheads 4 star, toilets 4 star, kitchen taps 4 star, basin taps 4 star
LED lighting
Yes
Maximum glazing
timber frames 107.8 m², single glazing 63.4 m², double glazing 44.4 m²

Heating

  • Living area: 1-phase airconditioning - ducted; Energy rating: EER 3.5 - 4.0
  • Bedroom: 1-phase airconditioning - ducted; Energy rating: EER 3.5 - 4.0

Cooling

  • Living area: 1-phase airconditioning - ducted; Energy rating: EER 3.0 - 3.5
  • Bedroom: 1-phase airconditioning - ducted; Energy rating: EER 3.0 - 3.5

Construction and insulation

  • Floor: concrete slab on ground, conventional slab (no added insulation)
  • Floor: suspended floor above open subfloor, treated softwood; frame: timber - H2 treated softwood (fibreglass batts or roll)
  • Floor: above habitable rooms or mezzanine, treated softwood; frame: timber - H2 treated softwood (fibreglass batts or roll)
  • 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: framed (fibre cement sheet or boards); frame: timber - H2 treated softwood. all external walls fibreglass batts or roll
  • External garage wall: framed (fibre cement sheet or boards); 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, timber - H2 treated softwood (ceiling: fibreglass batts or roll; roof: foil/sarking.)

Certificate 1838242S, issued 19 March 2026, from the council's DA documents.

NatHERS certificate

Star rating
5.1 stars
Rated with
Hero 4.1
Rated on
19 Mar 2026
Living room glazing by direction
E 22.1 m², S 0.3 m², W 25.5 m²
All glazing by direction
N 14.8 m², ENE 1 m², E 43.5 m², S 4.8 m², W 42.9 m², NW 1 m²

Roof

  • Added insulation absorptance Roof Colour FLAT-01: Flat Framed / Skillion Metal Roof & Flat PB Ceiling 0.00, medium colour

Window types

  • TIM-001-01 W Timber A SG Clear: U-value 5.4, SHGC 0.56
  • STG-016-002 Cedar Awning Window - Double Glazed: U-value 2.7, SHGC 0.48
  • STG-021-018 Cedar Sliding Door - Single Glazed: U-value 3.1, SHGC 0.47
  • STG-022-002 Cedar Sliding Window - DG: U-value 3, SHGC 0.51
  • STG-031-003 Cedar Casement Window - SG: U-value 4, SHGC 0.48
  • STG-083-004 Cedar Fixed Window - Single Glazed: U-value 3.8, SHGC 0.52

Window schedule

  • Bath 1, window STG-031-003: 1,700 × 900 mm facing N
  • Bath 3, window STG-016-002: 1,600 × 1,755 mm facing W
  • Bedroom, window STG-031-003: 1,600 × 1,755 mm facing N
  • Bedroom, window STG-031-003: 1,600 × 1,755 mm facing E
  • Bedroom, window STG-031-003: 2,400 × 585 mm facing E
  • Bedroom, window STG-083-004: 2,400 × 1,170 mm facing E
  • Bedroom, window STG-016-002: 1,580 × 600 mm facing ENE
  • Bedroom, window STG-083-004: 1,580 × 555 mm facing N
  • Bunkroom, window STG-083-004: 555 × 555 mm facing N
  • Bunkroom, window STG-021-018: 2,400 × 1,755 mm facing E
  • Entry, window TIM-001-01 W: 2,100 × 820 mm facing E
  • Entry, window STG-021-018: 2,400 × 2,241 mm facing W
  • Entry, window STG-016-002: 500 × 2,241 mm facing W
  • Entry, window STG-021-018: 2,400 × 2,850 mm facing N
  • Entry, window STG-016-002: 500 × 2,850 mm facing N
  • Garage, window TIM-001-01 W: 500 × 3,015 mm facing S
  • Hallway, window STG-021-018: 2,400 × 1,155 mm facing E
  • Hallway, window STG-016-002: 1,580 × 600 mm facing NW
  • Kitchen/Living, window STG-022-002: 1,480 × 1,945 mm facing E
  • Kitchen/Living, window STG-016-002: 520 × 1,945 mm facing E
  • Kitchen/Living, window STG-021-018: 2,350 × 3,420 mm facing E
  • Kitchen/Living, window STG-016-002: 550 × 3,420 mm facing E
  • Kitchen/Living, window STG-016-002: 2,900 × 4,900 mm facing W
  • Laundry, window TIM-001-01 W: 2,900 × 1,010 mm facing S
  • Living, window STG-083-004: 1,480 × 1,800 mm facing E
  • Living, window STG-016-002: 2,380 × 2,375 mm facing E
  • Living, window TIM-001-01 W: 2,100 × 820 mm facing W
  • Lounge, window STG-083-004: 555 × 555 mm facing S
  • Lounge, window STG-021-018: 2,400 × 3,310 mm facing W
  • Lounge, window STG-016-002: 500 × 3,310 mm facing W
  • Main Bedroom, window STG-016-002: 1,750 × 1,150 mm facing W
  • Main Bedroom, window STG-083-004: 1,750 × 1,480 mm facing W
  • Main Bedroom, window STG-016-002: 1,750 × 875 mm facing W
  • Main Bedroom, window STG-016-002: 1,750 × 555 mm facing N
  • Stairs, window STG-016-002: 2,400 × 820 mm facing W
  • Studio, window STG-016-002: 1,600 × 1,175 mm facing E
  • Studio, window STG-083-004: 1,600 × 1,450 mm facing E
  • Studio, window STG-016-002: 1,600 × 900 mm facing E

Certificate HR-U9ZZ9P-04, issued 19 March 2026, from the council's DA documents.

Other certificates for this address

NatHERS certificate, certificate HR-XCQIRP-05, issued 11 February 2025

NatHERS certificate

Star rating
5.8 stars
Rated with
Hero 4.1
Rated on
11 Feb 2025
Living room glazing by direction
N 8.6 m², E 26 m², S 0.3 m², W 33.4 m²
All glazing by direction
N 14.7 m², ENE 0.9 m², E 42.8 m², S 4.9 m², W 42.9 m²

Roof

  • Added insulation absorptance Roof Colour FLAT-01: Flat Framed / Skillion Metal Roof & Flat PB Ceiling 1.30, medium colour
  • (Pale Eucalypt) FLAT-02: Flat Framed / Skillion Metal Roof & Cathedral PB Ceiling (11°-33°) 1.30, medium colour

Window types

  • TIM-001-01 W Timber A SG Clear: U-value 5.4, SHGC 0.56
  • TIM-002-01 W Timber B SG Clear: U-value 5.4, SHGC 0.63
  • STG-016-002 Cedar Awning Window - Double Glazed: U-value 2.74, SHGC 0.48
  • STG-021-018 Cedar Sliding Door - Single Glazed: U-value 3.09, SHGC 0.47
  • STG-022-002 Cedar Sliding Window - DG: U-value 3, SHGC 0.51
  • STG-031-003 Cedar Casement Window - SG: U-value 3.97, SHGC 0.48
  • STG-083-004 Cedar Fixed Window - Single Glazed: U-value 3.77, SHGC 0.52

Window schedule

  • Bathroom, window STG-031-003: 2,700 × 1,000 mm facing N
  • Bathroom, window STG-016-002: 1,600 × 1,150 mm facing E
  • Bedroom 01, window STG-016-002: 1,600 × 2,355 mm facing W
  • Bedroom 02, window STG-031-003: 1,600 × 1,755 mm facing E
  • Bedroom 03, window STG-083-004: 555 × 555 mm facing N
  • Bedroom 03, window STG-022-002: 1,600 × 1,755 mm facing E
  • Bedroom 04, window STG-083-004: 555 × 555 mm facing N
  • Bedroom 04, window TIM-002-01 W: 1,500 × 600 mm facing ENE
  • Garage, window STG-016-002: 600 × 2,955 mm facing S
  • Gym, window STG-016-002: 1,600 × 2,350 mm facing E
  • Gym, window STG-021-018: 2,400 × 2,400 mm facing W
  • Kitchen/Living, window STG-016-002: 2,100 × 2,100 mm facing E
  • Kitchen/Living, window STG-021-018: 3,000 × 3,600 mm facing E
  • Kitchen/Living, window STG-083-004: 2,100 × 1,800 mm facing E
  • Kitchen/Living, window STG-016-002: 3,000 × 2,350 mm facing E
  • Kitchen/Living, window STG-021-018: 3,000 × 4,900 mm facing W
  • Laundry, window TIM-001-01 W: 3,000 × 925 mm facing S
  • Lounge, window STG-021-018: 3,000 × 5,500 mm facing W
  • Lounge, window STG-021-018: 3,000 × 2,850 mm facing N
  • Lounge, window STG-083-004: 555 × 555 mm facing S
  • Spare Bedroom, window STG-031-003: 1,600 × 1,755 mm facing N
  • Spare Bedroom, window STG-031-003: 1,600 × 1,755 mm facing E
  • Kitchen/Living, window STG-021-018: 2,400 × 900 mm facing W
  • Upstairs, window STG-021-018: 2,400 × 1,155 mm facing E

Certificate HR-XCQIRP-05, issued 11 February 2025, from the council's DA documents. Verify this certificate

BASIX certificate, certificate 1759664S_03, issued 11 February 2025

BASIX certificate

Energy score
74 (target 68)
Water score
50 (target 40)
Thermal performance
Pass
Materials score
5
Heating load
9 MJ/m² a year
Cooling load
47 MJ/m² a year
Bedrooms
4
Conditioned floor area
243 m²
Unconditioned floor area
38.8 m²
Site area
755 m²
Roof area
350 m²
Garden area
200 m²
Climate zone
NatHERS climate zone 10
Hot water
Electric storage
Solar panels
3 kW
Rainwater tank
8,000 litres
Fixtures
Showerheads 3 star, toilets 3 star, kitchen taps 3 star, basin taps 3 star
LED lighting
Yes
Maximum glazing
timber frames 136 m², double glazing 136 m²

Heating

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

Cooling

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

Construction and insulation

  • Floor: concrete slab on ground, conventional slab (not specified)
  • Floor: suspended floor above enclosed subfloor, treated softwood; frame: timber - H2 treated softwood (no added insulation)
  • Floor: suspended floor above garage, treated softwood; frame: timber - H2 treated softwood (no added insulation)
  • Garage floor: concrete slab on ground (no added insulation)
  • External wall: framed (metal clad); 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: cavity brick wall; frame: timber - H2 treated softwood (fibreglass batts or roll)
  • Ceiling and roof: flat ceiling / flat roof, framed - metal roof, timber - H2 treated softwood (ceiling: fibreglass batts or roll; roof: foil backed blanket.)

Certificate 1759664S_03, issued 11 February 2025, from the council's DA documents.

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