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4 Woodswallow Way Mullumbimby NSW 2482

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BASIX certificate and NatHERS rating

This home has a NatHERS rating of 7.7 stars out of 10. Its BASIX certificate commits it to a 3,000 litre rainwater tank. It beat its BASIX energy and water targets, scoring 70 against 65 for energy and 41 against 40 for water.

Key features

Windows
8 windows and glazed doors: Euro 60 Sliding Door
Wall insulation
All external walls none
Roof and ceiling insulation
Roof Added insulation absorptance Roof Colour ATTIC-METAL-01: Pitched / Attic Metal Roof (Roofspace) & Flat PB Ceiling 0.00, light colour
Hot water
Electric boosted solar with a performance of 26 to 30 STCs or better

BASIX certificate

Energy score
70 (target 65)
Water score
41 (target 40)
Thermal performance
Pass
Materials score
61
Heating load
7 MJ/m² a year
Cooling load
31 MJ/m² a year
Bedrooms
1
Conditioned floor area
42.1 m²
Unconditioned floor area
4.9 m²
Site area
700 m²
Roof area
56 m²
Garden area
25 m²
Climate zone
NatHERS climate zone 10
Hot water
Electric boosted solar with a performance of 26 to 30 STCs or better
Rainwater tank
3,000 litres
Fixtures
Showerheads 4 star, toilets 4 star, kitchen taps 4 star, basin taps 4 star
LED lighting
Yes
Cooktop
Induction
Clothes line
Yes
Maximum glazing
uPVC frames 19.7 m², double glazing 19.7 m²

Construction and insulation

  • Floor: suspended floor above enclosed subfloor, treated softwood; frame: timber - H2 treated softwood (no added insulation)
  • External wall: framed (solid or reconstituted timber weatherboard); frame: timber - H2 treated softwood. all external walls none
  • 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.)
  • Ceiling and roof: flat ceiling / flat roof, framed - metal roof, timber - H2 treated softwood (ceiling: fibreglass batts or roll; roof: foil/sarking.)

Certificate 1821532S, issued 12 November 2025, from the council's DA documents.

NatHERS certificate

Star rating
7.7 stars
Rated with
Hero 4.1
Rated on
12 Nov 2025
Living room glazing by direction
ENE 5.9 m², SSE 3.3 m², NNW 6.3 m²
All glazing by direction
ENE 5.9 m², SSE 5 m², NNW 8.8 m²

Roof

  • Added insulation absorptance Roof Colour ATTIC-METAL-01: Pitched / Attic Metal Roof (Roofspace) & Flat PB Ceiling 0.00, light colour
  • FLAT-02: Flat Framed / Skillion Metal Roof & Cathedral PB Ceiling (11°-33°) 0.00, light colour

Window types

  • YZY-002-001 Euro 60 Sliding Door: U-value 1.6, SHGC 0.46

Window schedule

  • Bath, window YZY-002-001: 1,200 × 1,400 mm facing SSE
  • Bed 1, window YZY-002-001: 1,400 × 1,800 mm facing NNW
  • Kitchen/Living, window YZY-002-001: 2,100 × 3,000 mm facing NNW
  • Kitchen/Living, window YZY-002-001: 1,200 × 1,400 mm facing ENE
  • Kitchen/Living, window YZY-002-001: 2,100 × 1,000 mm facing ENE
  • Kitchen/Living, window YZY-002-001: 695 × 3,000 mm facing ENE
  • Kitchen/Living, window YZY-002-001: 1,200 × 1,000 mm facing SSE
  • Kitchen/Living, window YZY-002-001: 2,100 × 1,000 mm facing SSE

Certificate HR-VBP5WG-01, issued 12 November 2025, from the council's DA documents. Verify this certificate

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