GeoPerspectives
- A large concise collection of aerial photos of the UK.
- http://www.geoperspectives.co.uk/

Map24
- Full minor road and street level coverage for the whole of Great Britain. Enter a UK address to access maps. Zoom and roam features.
- http://www.uk.map24.com

Stopped Clocks
- A campaign to catalogue non-working public clocks in the UK with the aim to having them renovated. Includes online catalogue with interactive mapping, photographs, and background information.
- http://www.stoppedclocks.com/

Geograph British Isles
- The Geograph project aims to collect a geographically representative photograph for every square kilometre of the British Isles.
- http://www.geograph.org.uk/

Old Maps
- Maps of towns in England, Scotland and Wales as they were in the 1950s.
- http://www.oldemaps.co.uk/

UK Multimap
- Online maps of the UK, down to street level. Search by street name, postcode or placename. Based on OS data.
- http://uk.multimap.com/map/home.cgi?db=GB

The Work of W.A. Green
- Pen and ink drawings made 1925-1983 of historical buildings in the Midlands and Mid-Wales.
- http://www.ewgreen.org.uk/

Old Ordnance Survey Maps
- Scans of a selection of the Popular Edition (1920s and 30s), 1 inch to the mile, England and Wales, Ordnance Survey maps displayed using the Google Maps interface.
- http://www.ponies.me.uk/maps/osmap.html

Google Maps
- Zoomable maps focused on an address or post code. Maps can be searched by business category. Also provides driving directions.
- http://maps.google.co.uk/

Election Maps
- Free constituency, county, borough and ward maps. Includes ability to select overlays required between the different types of administrative boundaries, and to determine which area a postcode resides in.
- http://www.election-maps.co.uk/

Francis Frith Collection
- Photographs of 7,000 towns and villages taken between 1860 and 1970. Available as prints and in book collections. Thumbnail views, watermarked enlargements and ordering details.
- http://www.francisfrith.com/

UK 360s
- Panoramic photographs from around the British Isles by Craig Wilkinson.
- http://www.uk360s.co.uk

Your Old Maps Online
- Scans of out of copyright maps and etchings, organised by country and county.
- http://www.yourmapsonline.org.uk/

Ordnance Survey
- Britain's national mapping agency. Historical, touring, landline, superplan, GB, Landranger, Explorer, road and street maps.
- http://www.ordnancesurvey.co.uk/

AskMaps
- Has index of streets and city monuments ready for printing.
- http://www.askmaps.com/001/mm2.php

United Kingdom
- Map of the administrative divisions as they stood in 1988, from the Library of the University of Texas.
- http://www.lib.utexas.edu/maps/europe/united_kingdom.gif

Skylibrary
- A UK-based aerial photography company with a large archive of UK aerial photographs.
- http://www.skylibrary.co.uk

Streetmap
- Online maps with detailed streetmaps of Great Britain. Includes search by postcode, place name, London streetname or OS grid reference.
- http://www.streetmap.co.uk/