Sources for Building History - Illustrated guide to researching historic buildings in the British Isles. Includes maps and gazetteers for locating particular buildings, image galleries and indexes, and help on dating antique and ancient constructions.

DiCamillo Companion to British and Irish Country Houses, The - Online database of country houses built in Britain and Ireland from circa 1500 to 1945, standing or demolished.

Society for the Protection of Ancient Buildings, The (SPAB) - Provides education on the repair of old buildings, with courses ranging from one day to nine months. Also offers advice and carries out campaigns.

Historic Houses Association - Offers visitor lists of houses including those used as film locations.

Landmark Trust - Independent U.K. building preservation charity rescuing worthwhile historic buildings from neglect, then restoring them and renting them out to vacationers.

Bath Preservation Trust - Founded in 1934 with the object of protecting the city's unique architectural heritage.

Friends of Strawberry Hill - Charity dedicated to the preservation and restoration of Horace Walpole's 'little Gothic castle.

Brookwood Cemetery Society, The - Dedicated to the preservation, history, and appreciation of the cemetery.

Masonry Conservation Research Group (MCRG) - Multidisciplinary team with an international reputation in the field of masonry conservation focusing their research on the decay and cleaning of building materials.

Ulster Architectural Heritage Society - Promotes the appreciation and conservation of architecture in the nine counties of Ulster.

Swannington Heritage Trust - Village trust maintaining and restoring historical sites and collecting family history for the village of Swannington in Leicestershire.

Castles of Scotland Preservation Trust - Established to promote and encourage the protection and preservation of Scotland's architectural heritage and to restore as much of it as possible.

Industrial Buildings Preservation Trust - Working to preserve industrial buildings of particular historic, architectural, and constructional interest in England and Wales.

General Picton Memorial Appeal Fund, The - Seeking to rescue and preserve Iscoed House, the home of General Sir Thomas Picton, located in the parish of St. Ishmaels at Ferryside near Carmarthen.

Capel - Devoted to the preservation of Welsh chapel buildings.

Whittington Castle Preservation Trust - Rural community in North Shropshire that wishes to buy the castle in the centre of the village and find a viable and sustainable use for it.