We’ve been with Britain from the Industrial Revolution, through to the smartphone revolution. These archives tell our story. Our story begins in 1846 with the world’s first telegraph company and continues with BT Group today.
The Archives is open to pre-booked appointments to visitors to consult archival material on Wednesdays and Thursdays from 10:00-16:00. Please email archives@bt.com to reserve your place.
Location details can be found below.
Note that we sometimes need to schedule closures on certain dates.
BT Group Archives
Third Floor
Holborn Telephone Exchange
268-270 High Holborn
London
WC1V 7EE
British Rail: City Thameslink (Holborn Viaduct entrance)
Underground: Holborn (Piccadilly and Central Lines), Chancery Lane(Central line) or Farringdon (Circle or District Lines)
Bus routes: (High Holborn) 8, 242, 25, 501, 521 (Holborn Kingsway) 1, 68, 91, 168, 171, 188, 501, 505, 521, X68
By car: NCP Car Parks at: Holborn, Museum St WC1; Brunswick Square WC1; Russell Court, Woburn Place WC1; Caxton House, Cowcross St, EC1; Cardinal House, Cowcross St, EC1; Bloomsbury Square Car Park, WC1
We have specific policies for heritage. They explain how we look after our information, objects and historical materials.
Each policy is available to download as a PDF below.
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BT Archives access policy (pdf - 71 KB) - 13/01/2022
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BT Archives collection management policy (pdf - 94 KB) - 13/01/2022
The National Archives has accredited BT Group Archives as meeting national archives standards. Our collections are acknowledged by UNESCO and Arts Council England as being internationally significant and an important part of the UK’s cultural and scientific heritage.
Archive Service Accreditation
Arts Council England Designation Scheme
UK Memory of the World Register
