1st4London Hotels
The page contains information of the capital's most prominent churches and cathedrals.
http://www.1st4londonhotels.co.uk/guide/churches_cathedrals/

A-Z of Tourism
Details dozens of places of worship in London ranging from Greek Orthodox churches to mosques.
http://www.a-zoftourism.com/Places+of+Worship-in-London.htm

London Underground
Places of worship near to tube stations.
http://tube.tfl.gov.uk/content/theknowledge/how23.asp

Shri Swaminarayan Mandir
Europe's first traditional Hindu temple.
http://www.mandir.org/

Sri Guru Singh Sabha Gurdwara
The biggest Sikh temple outside India.
http://www.sgsss.org/

St Paul's Cathedral
London's main cathedral and a world famous landmark.
http://www.stpauls.co.uk/

The Churches Conservation Trust
Find an historic church near you.
http://www.visitchurches.org.uk/

The City of London Churches
A guide to the fifty or so churches dotted around the Square Mile.
http://www.cityoflondonchurches.com/

The Islamic Cultural Centre & The London Central Mosque
The Regent's Park mosque is the largest in London.
http://www.iccuk.org/

United Synagogue
Search for a synagogue in London that is affiliated with the organization.
http://www.brijnet.org/us/

University of London
A selective list of places of worship in the city.
http://www.soas.ac.uk/library/index.cfm?navid=972

Visit London
A-Z of places of worship in London.
http://www.visitlondon.com/directory/search?category
NodeId=1334&browse=true&keyword=

Wat Buddhapadipa
A Buddhist temple set in four acres of suburban London.
http://www.buddhapadipa.org/

Westminster Abbey
An architectural masterpiece that is both a place of worship and the last resting place of the country's kings and queens.
http://www.westminster-abbey.org/