England
Altrincham Garrick Theatre, Barnfield Theatre, Exeter, Brentwood Theatre, Essex., Bristol Old Vic, Broadway Theatre, Barking, Chorley Little Theatre, Civic Theatres - Chelmsford, Concordia Theatre Online, Eastbourne Theatres, Fringe Theatre Network
Northern Ireland
Ardhowen Theatre, Market Place Theatre, Millennium Forum - Theatre and Conference Centre, The Lyric Theatre Belfast
Scotland
Cumbernauld Theatre, Dundee Rep Theatre, Gaiety Theatre Ayr, Greenock Arts Guild, Scotland, The Byre Theatre, The King's, Glasgow, The Royal Lyceum Theatre, The Tron Theatre, The Underbelly @ Edinburgh Festival Fringe
Wales
Clwyd Theatr Cymru, Congress Theatre, Harlequin Puppet Theatre, New Theatre Cardiff, North Wales Theatre, Pavillion Theatre, The International Festival of Musical Theatre In C, The Sherman Theatre, Theatr Gwynedd, Theatr Mwldan
Pleasance Theatre in London and Edinburgh
The Pleasance is an independent theatre in north London, and during the Edinburgh Fringe Festival, it becomes the biggest venue of the fringe with 16 venues. Information on both venues.
The Little Theatre Guild of Great Britain
Information about the members of the Little Theatre Guild of Great Britain, all small amateur societies who own their own theatres.
The Theatres Trust
A society established to promote the protection of theatres within the United Kingdom
Theatres Online
Theatre guide with links to theatres and local amenities. Requires Flash.
Whatsonstage.com
Guide to whats on for theatres in London and in the regions. Listings, reviews, news, ticket sales and seating plans.