AA
Online route planner.
http://www.theaa.com/travelwatch/planner_main.jsp

BBC.co.uk
Walking, tube and bus maps.
http://www.bbc.co.uk/london/travel/downloads/map_downloads.shtml

CILT.org.uk
A map of London's ethnic minority communities.
http://www.cilt.org.uk/faqs/london_ethnic_map.pdf
http://www.cilt.org.uk/faqs/london_ethnic_map_key.rtf

City University London
Contains a downloadable postcode map of the city.
http://www.city.ac.uk/accommodation/postcode.htm

Covent Garden.co.uk
Picture map of Covent Garden.
http://www.covent-garden.co.uk/maps/maps3a.html

Film London
Download a map of London showing where scenes from well known movies were filmed.
http://www.filmlondon.org.uk/content.asp?CategoryID=820

Geographers' A-Z
Publishers of various London street maps.
http://www.azmaps.co.uk/

Hot-Maps
Interactive street map of London.
http://www.hot-maps.de/europe/united_kingdom/england/london/homede.html

JStott.me.uk
London Underground's Tube map superimposed on a Google map of London.
http://www.jstott.me.uk/googlemaps/tubemap/

Living in London.net
Contains a London postcode map.
http://www.livinginlondon.net/

London 1690
View London through the ages, from 1690 onwards, using image overlays.
http://digitalurban.blogspot.com/2006/01/london-google-earth-1690.html

London Cycle Network
Maps of cycling routes in London and tips on cycling around the city.
http://www.londoncyclenetwork.org/

London-Theatre.com
Contains a map of London's Theatreland, as well as an interactive map of central London.
http://www.london-theatre.com/theatreland_map.php

London Toolkit.com
Features an interactive map showing all of London's major tourist attractions.
http://www.londontoolkit.com/whattodo/what_to_do.htm

London Tourist Office
Build an interactive map of London based on your itinerary or interests.
http://maplondon.visitlondon.com/batmap/maplondon.jsp

London Town.com
Includes maps of popular London tourist attractions, as well as of the city's boroughs, postcodes and the Tube system.
http://www.londontown.com/maps/

Mappy
Search for any place in the UK or even Europe.
http://www.mappy.com/

Multimap
Contains street maps, aerial pictures, an address search facility and more.
http://www.multimap.com/

My London Map
Get your bearings with the aid of this detailed street map of central London.
http://www.mylondonmap.com/main-london-map.htm

On One Map
Use this map site to search for available properties in the UK.
http://ononemap.com/

Quickmap
Zoomable street and transport maps of London.
http://www.quickmap.com/map.htm

RAC
Work out your route to anywhere in the UK using this planning tool.
http://rp.rac.co.uk/routeplanner

Shortwalk.blog.co.uk
Download a map of the London Underground detailing walking distances between stations, so you can work out when it is quicker to simply walk.
http://shortwalk.blog.co.uk/

Smooth Hound Systems
Index and map of London postcode areas.
http://www.s-h-systems.co.uk/tourism/london/map.html

Sprachurlaub de
A searchable interactive map of central London in PDF format.
http://www.sprachurlaub.de/stadtplan/stadtplan-london.htm

Streetmap.co.uk
Pinpoint any street in the UK.
http://www.streetmap.co.uk/

StreetSensation.co.uk
A virtual guide to some of London's most famous shopping streets including Bond Street, Carnaby Street and Tottenham Court Road.
http://www.streetsensation.co.uk/

Talking Cities.com
Interactive map of central London.
http://www.talkingcities.co.uk/london_pages/sights_central_london_map_small.htm

The Society of London Theatre
Download a free map of London's theatre district.
http://www.officiallondontheatre.co.uk/map

Tube Guru
Use this interactive map of the London Underground to find attractions nearby stations on the network.
http://tube.tfl.gov.uk/guru/index.asp

UK Travel Guide
Provides links to various street, neighbourhood and transport maps of London.
http://www.ukguide.org/london/londonmap.html

View London.co.uk
Features an easy-to-use London street finder.
http://www.viewlondon.co.uk/london_maps_index.asp

World Web.com
An interactive map of London that highlights hotels, restaurants, attractions, transport and shops in the centre of town.
http://www.london.worldweb.com/Maps/CityMaps-Flash/London-Map.html

WWP.co.uk
A map depicting all the major shops along Oxford Street.
http://gmt-time.com/time-zone/europe/uk/england/london/west/ w1_west-end_victoria_pimlico_mayfair_marble-arch/oxford-street/