THE SUSTAINABILITY CENTRE
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Compost Toilet

Why Build a Compost Toilet?
Every day in the UK, we use a staggering two billion litres of fresh drinking-quality water - just to flush our loos.

At home, your loo accounts for around 30% of all the water you use. This isn't surprising when a traditional toilet can use 13 litres of water each time.

Composting toilets use little or no water. They treat human waste by composting and dehydration. They don't need expensive sewage systems, cause no environmental damage - and even produce a valuable resource for gardening.

How It Works
A composting toilet is a ventilated container that provides the optimum conditions for decomposition under controlled aerobic (with oxygen) conditions. In the composting process, organic matter is broken down by naturally occurring bacteria and fungi into a dry, non-smelly humus.

The system we have chosen is a Continual Process System; it is in a constant state of composting. Waste enters the system, and composting reduces the volume. It is then harvested after 6-12 months as fully composted material which will be safe to use on the fruit trees on the campsite.

This system works using a urine separating device which means that the poo pile stays dry and does not become anaerobic. When anaerobic (without oxygen) the waste would take much longer to decompose and would become smelly.

Whenever the toilet is used for defecation a small amount of soak material (saw dust or other dry carbon based material) is added to the vault. The purpose of soak is also to prevent the pile from becoming anaerobic by maintaining an open structure and soaking up excess moisture, to adjust the carbon-nitrogen ratio by adding more carbon, and to cover the wastes.

The urine goes safely into a soak-away where it drains away with no smell or damage to the local environment. For an even more sustainable option it is possible to collect and use diluted 'liquid gold' as a nitrogen rich fertiliser in the garden.

The composting chamber is ventilated with a passive ventilation system which further eliminates any unpleasant smells.
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Our Design
The structure is 10ft x 6ft and is timber framed using locally soured wood. It is shingle roofed using locally sourced chestnut. The walls are timber-clad, also using wood sourced locally.

The composting chamber is a complete unit that can be lifted into the hole and supports the building.

It is located on the campsite at The Sustainability Centre.
​
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Earthworks Trust & Earthworks Foundation

​The Sustainability Centre is owned and operated by ​The Earthworks Trust (Charity No.1079866).
Our trading company is Earthworks Foundation. All profits go to support our charity The Earthworks Trust.

SITE VISITORS

Please be aware that our 55 acre site is privately owned. Customers and clients are welcomed at their own risk. All visitors are reminded that this is a countryside site and all tracks, paths and car parks are informal, uneven and may not all be suitable for people with mobility issues.
As we are located in the South Downs National Park dark skies zone, there is no lighting on site after dark.
We advise sturdy, appropriate footwear at all times and use of a torch at night.


​Charity Number ​​ 1079866

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Main Address

The Sustainability Centre 
​Droxford Road,
East Meon, Hants
​GU32 1HR
01730 823166

Reception

01730 823166
​info@sustainability-centre.org

South Downs Eco Lodge & Camp Site

South Downs Eco Lodge
​The Sustainability Centre 
​Droxford Road,
East Meon, Hants
​GU32 1HR
01730 823549
​​accommodation@sustainability-centre.org

Cafe

01730 823755
infobeechcafe@gmail.com  

Burials

​01730 823425
​burials@sustainability-centre.org

Education

​01730 823166
​education@sustainability-centre.org

Courses

01730 823166
​courses@sustainability-centre.org

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  • Home
    • Covid Announcement
    • What Is Sustainability
    • All About Us >
      • History
    • Awards
    • Bursary
    • Beech Cafe
    • Staff Team & Trustees
    • Job Opportunities
    • Partnerships >
      • Onsite Partners
    • Site Map >
      • Map
    • Find Us
    • Opening Hours
    • Contact Us >
      • Join Mailing List
      • Leave Mailing List
  • What's On
    • Evening Talks
    • South Downs Green Fair
    • Talk & Tour
    • Art Exhibitions >
      • Past Exhibitions
      • Pete Levy
    • Room & Space Hire
    • Terms and Conditions
  • Courses
    • Adult Courses >
      • Craft and Upcycling Courses >
        • Festive Fabric Crafts Course
        • Fabric Baskets Course
        • Felted Robin Workshop
        • Natural Cleaning Workshop
        • Natural Cosmetics Workshop
      • Wood Craft Courses >
        • Advanced Knife Skills
        • Gate Hurdle Making Course
        • Pendant Carving Course
        • Spoon Carving Course
        • Stool Carving Course
        • Trug Making Course
      • Willow Craft Courses >
        • Living Willow Tree Course
        • Willow Festive Decorations Course
        • Willow Frame Basket Course
        • Willow Garden Sculpture
        • Willow Garden Craft Course
        • Willow Weaving Weekend
      • Home and Garden Courses >
        • Clay Oven Building Course
        • Compost Toilets Course
        • Kitchen Gardening Course
      • Forest School Training >
        • Climbing Frames, Ropes & Ladders with Jon Cree
        • Forest School Leader Training
        • Forest School Taster Day
        • Supporting Children through Anxiety and Trauma with Jon Cree
      • Health & Wellbeing Courses >
        • Medicinal Herb Workshops
        • Mental Health First Aid Course
        • Youth Mental Health First Aid Course
      • Nature Connection and Folklore Courses >
        • Art, Sound and Meditation Course
        • Foraging, Fire and Folklore
        • Nature Led Meditation
        • Unwind in the Woods
      • Permaculture Courses >
        • Intro to Permaculture Design Course
      • Sustainable Land Management Courses >
        • Coppicing Course
        • Hedgelaying Course
        • Wildflower Meadows Course
        • Woodland Management
    • Online Experiences
    • Gift Vouchers
    • Discounts and Benefits
    • Courses Waiting List
    • Contact the Courses Team
    • Courses Terms and Conditions
  • Accommodation
    • Bed & Breakfast
    • Eco Hostel
    • Yurts
    • Camping
    • Large Groups
    • Gift Vouchers
    • Things to Do >
      • Walking and Cycling Breaks
    • Booking Enquiries
    • Accommodation Terms and Conditions
    • Accommodation COVID Information
  • Children's Activities
    • Wood Mouse Forest School
    • Family Holiday Activities >
      • Family Day Time Activities
      • Family Overnight Adventures
      • Advanced Wilderness Skills
  • Schools
    • Our Education Ethos
    • Earth Protectors Conference
    • Day Trips
    • Residentials
    • Farm Tours
    • Saxon Experience
    • Forest School
    • Alternative Education >
      • Young Natural Ambassadors
    • We Can Come to Your School
    • Colleges and Universities
    • Training for Teachers
    • Meet the Team
    • Useful Information & Booking Forms
    • Contact the Education Team
  • Burial Site
    • South Downs Natural Burial Site
    • Funeral Charges
    • Information Pack
    • Flowers and Planting
    • Attending A Funeral
    • Legacies and Gifts
    • Donations
  • Our Future
    • Ready Steady Grow
    • New Learning Centre
    • South Downs Eco Lodge
  • Support Us
    • Cast Off
    • Friends >
      • Become a Friend
      • Friends Field
    • Business >
      • Business Friends
    • Leaves For Learning Appeal >
      • Fundraise for us
      • Hedgehog Eco Challenge
    • Gifts & Donations
    • Donation Form
    • Become a Volunteer
    • Leave a Legacy
    • Thank You to Our Supporters
  • Projects
    • Beekeepers
    • Chalk Grassland
    • Compost Toilet
    • Forest Gardening
    • Herb Garden
    • Permaculture
    • Straw Bale Solar Powered Showers
    • Solar Projects
    • South Downs Eco Lodge
    • Woodland Hall
    • Tree Bog
    • Wetherdown Lodge
    • Yurts
  • Eco Blog
    • Art & Craft
    • Grow Now
    • Health
    • On The Wild Side
    • Meditation
    • Painting as Meditation
    • Weave From The Hedges
    • Young People
  • Shop and Bookings
    • Gift Vouchers
    • Online T Shirt Shop
    • Online Eco Shop
    • Shop At The Centre