The English Heritage Archive

The English Heritage Archive is the public archive of English Heritage, located in The Engine House on Fire Fly Avenue in Swindon, formerly the Swindon Works, next door to the National Trust HQ.

It is a public archive of architectural and archaeological records and holds over 12 million historic photographs, plans, drawings, reports, records and publications covering England's archaeology, architecture, social and local history. It is a dynamic collection, with records being added to this day.

More information on the Wikipedia page.

The website is [http://www.english-heritage.org.uk/professional/archives-and-collections/nmr/