Yr Ogof Ddyn
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Yr Ogof Ddyn
Yr Ogof Ddyn – Welsh for the Man Cave
This small house has become a local attraction in Wilby, built using clay, straw, sand and water. Keen to reduce any impact on the environment the owners wanted to use locally sourced materials with little impact on their surroundings.
Designed using passive solar orientation to maximise air flow and thermal mass. Double glazed windows with thermal break in frames to reduce temperature loss or gain.
Off-grid solar electricity with the house 12v wired.
Composting toilet and rainwater collection are used to reduce their water waste. No reticulated water supply.
To read more about this home and others in the area that opened for SHD2017
- Hand-sculptured house in Wilby – Riverine Herald published on 1st June 2017
- Sustainable House Day | Border and North East properties open doors – The Border Mail, published September 15 2017
Sustainability Features
- Energy efficiency:
- Efficient lighting
Draught proofing
Energy monitoring
- Passive heating cooling:
- Shading
Cross ventilation
Thermal chimney
- Active heating cooling:
- Currently none. Will add solar hydronic to the floor downstairs is experience this winter shows it necessary.
- Water harvesting and saving features:
- Above ground storage
Low flow shower heads
- Above ground rainwater storage Type:
- Plastic tank
- Above ground rainwater storage Size
- 22,500L
- Recycled and reused materials:
- Kitchen stove
- Sustainable materials:
- Walls of site clay / sand / straw / water
- Insulation Type:
- Ceiling
- Ceiling Type:
- Two layers of 50mm foilboard with air gaps between, above and below. Outer thermal break foil/polystyrene 8mm thick, and inner face to the dome ceiling is lath and plaster using on-site clay mixed with cowmanure, then lime-washed over.
- Ceiling Rating:
- It is stated by the foilboard manufacturer that two layers of 50mm board with airgaps and thermal break outside, comfortably exceeds 4.5R. Personal experience shows that the internal environment is certainly comfortable in hot and cold weather.
- Floor Rating:
- N/A
- Energy star rating:
- N/A
- Renewable energy used:
- Solar PV off-grid
Energy storage
- Cost estimate of sustainable home/features:
- $70,000
- House Size
- 30m2 over two floors
- Window and Door Types
- Double glazing
- Universal Design Features
- Designed to be just big enough for requirements and no bigger, to minimise both embodied energy and any on-going running costs. No cooling required in summer, and anticipate no or minimal heating required in winter.
- Number of bedrooms
- 1
- Number of bathrooms
- 1
- Garden / Outdoors
- Edible garden
Composting
Bee keeping
- Healthy home features
- Lime wash / lime render / earth walls
- Housing Type:
- Standalone House
- Project Type:
- New Build
- Builder
- Owner/Builder
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