The Lambeth Building Society was a UK building society

Building society

A building society is a financial institution owned by its members as a mutual organization. Building societies offer banking and related financial services, especially mortgage lending. These institutions are found in the United Kingdom and several other countries.The term "building society"...

. It was founded in February 1852 as The Number Three Borough of Lambeth Permanent Benefit Building Society .

It merged with the Portman Building Society

Portman Building Society

The Portman Building Society was a UK mutual building society, providing mortgages and savings accounts to UK consumers and offering loans to commercial enterprises. Its head office was located in Bournemouth and its administration centre in Wolverhampton...

 in 2006. At the time of the merger, the Lambeth was the 20th largest building society in the UK, with assets of £1 billion. It was based in the south of London

London

London is the capital city of :England and the :United Kingdom, the largest metropolitan area in the United Kingdom, and the largest urban zone in the European Union by most measures. Located on the River Thames, London has been a major settlement for two millennia, its history going back to its...

, with 9 branches and approximately 130 employees.

Following Portman's merger with Nationwide Building Society

Nationwide Building Society

Nationwide Building Society is a British building society, and is the largest in the world. It has its headquarters in Swindon, England, and maintains significant administration centres in Bournemouth and Northampton...

, branches now bear the Nationwide name.