Centre for Alternative Technology

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Educational exhibition centre demonstrating sustainable building techniques as well as renewable energy, energy efficiency, organic growing, water conservation and environmentally friendly sewage systems. The site buildings display a very wide range of sustainable building materials and techniques including timber frame, straw bale, rammed earth, earth block, hemp lime, local stone and a variety of insulating materials, including wool. Renewable energy technologies include wind and water power, combined heat and power biomass, log and pellet boilers, heat pumps, solar energy used to heat space and water and generate electricity.

Venue Type:

Museum, Science centre, Environmental or ecological centre

Opening hours

Every day Winter 1000-1600
Every day Summer 0930-1730 (1800 August)

Closed: A few days over Christmas and a week in early January

Admission charges

school groups
winter 2008/9 £3.80 per pupil
summer 2009 £4.05 per pupil
Accompanying staff free

Additional info

Drop-in information service.

Events details are listed below. You may need to scroll down or click on headers to see them all. For events that don't have a specific date see the 'Resources' tab above.
Sweet Pea

Plant Diversity

  • 25 September 2015 10am-5pm

What’s the difference between grass, ferns and mosses? They are plants and have green leaves. Yes, but we need to know a great deal more about the diversity of plants to develop an interest in the environment, field biology, wildlife and gardening.

From A for Anemone to Z for Zinnia and all types of conifers, horsetails, ferns and mosses in between, their relationships to each other will be revealed.

Course runs Friday 26th - Sunday 28th Sept 2015.

Suitable for

  • 18+


Course fees are £100.00, please book onto the course through Aberystwyth University 01970 62 2682 before booking your optional full board accommodation at CAT (£120.00)



Centre for Alternative Technology
SY20 9AZ






School day visits

01654 705983

Eco-cabins residential visits

01654 705982

Educational projects

01654 705963



01654 702782

All information is drawn from or provided by the venues themselves and every effort is made to ensure it is correct. Please remember to double check opening hours with the venue concerned before making a special visit.