The Mill House I 2019

The Mill House I
Coombs ACT 2611
11am - 3pm
House Open Style
Regular Guided Tours – No booking required
Entry fee or Donation
Gold coin
Donations supporting
The Motor Neurone Disease Association NSW
Housing Type
Standalone House
Project Type
New Build
The Mill: Architecture + Design
360 Building Solutions
House Size
Number of bedrooms
Number of bathrooms

This project called for an inviting family home that invested a small budget carefully, in the areas that would provide the highest impact on the dwelling’s performance and amenity. Employing passive techniques, investments were made in thermal mass, insulation, air tightness and triple glazed, thermally-broken timber windows.

The result is an engaging three bedroom home with 8-star performance. Of particular interest are:

  • – Passive principles including north facing living and bedroom areas, strictly limited east/west glazing, and placement of garage to provide heat/wind block, high thermal mass, high insulation
  • Recycled bricks for feature elements and thermal mass
  • Triple glazed, thermally broken timber windows (U- Value 0.8, SHGC 0.5)
  • Thermally broken, solid core, fully air tight internal door between Garage and Dwelling
  • High level insulation to walls and roof
  • 4000L rainwater tank, with 100% of roof feeding to tank
  • LED downlights generally
  • Mulched garden beds with low water plants
  • Ceiling fans to all living areas and bedrooms

Designed by The Mill: Architecture + Design and built by 360 Degree Building Solutions

All donations on the day will go to The Motor Neurone Disease Association NSW


Years Open
Cost estimate of sustainable home/features
Total cost of home when constructed
BAL Rating
BAL – Low: There is insufficient risk to warrant specific construction requirements
Roofing materials
Metal (Colorbond)
Wall materials (external and internal)
Brick veneer
Lightweight construction (timber frame)
Window and door types
Triple glazing
Window and door shading
Deciduous tree/vegetation
Solar pergola
Recycled and reused
Insulation - Ceiling
Type: Bulk – glass wool
Rating: R5.0
Insulation - Internal/external walls
Type: Timber stud, weatherboard cladding
Rating: R2.7
Insulation - External walls
Type: Bulk – glass wool
Rating: R2.7
Insulation - Under floor
Type: Bulk - polystyrene board
Rating: R1.0
Healthy home
Airtight house design
Chemical free cleaning products used
Cross flow ventilation
Indoor plants for air filtration
Low VOC paints/sealer/varnish
Natural light and ventilation
All electric home
Water heating
Solar hot water (evacuated tube)
Passive heating cooling
Cross ventilation
Passive solar designed home
Thermal chimney
Active heating cooling
Ceiling fans
Energy efficiency
Draught proofing
Efficient lighting
Efficient appliances
Water harvesting and saving
Above ground rainwater storage
Type: Tank
Size: 2000L
Low flow shower heads
Low flow taps
Drip irrigation
Garden / Outdoors
Edible garden
Water wise plants
Waste Reduction
Swap with friends and neighbours