Trollope & Colls

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Trollope & Colls
Industry Construction
Fate Acquired
Successor Trafalgar House
Founded 1903
Defunct 1996
Headquarters Marlow, UK

Trollope & Colls was once one of the United Kingdom's largest construction companies.


The Company was formed out of the merger of George Trollope & Sons (founded by Joseph Trollope, a wallpaper hanger, in 1778) and Colls & Sons (founded by Benjamin Colls, a painter and decorator, in 1840).[1]

The merged firm started to specialise in civil engineering and during World War I undertook pioneering work on reinforced concrete.[1] In 1969 the Company was acquired by Trafalgar House.[1] By 1994 it was the largest contractor in the United Kingdom by turnover.[2]

On 18 April 1996 Norwegian shipbuilding and engineering group Kvaerner acquired Trafalgar House Construction, as the business became known, as part of a £904 million offer for Trafalgar House plc.[3]

The Stock Exchange Tower built by Trollope & Colls

Major projects[edit]

Projects undertaken by the Company included: the Institute of Chartered Accountants completed in 1892,[1] Claridges completed in 1897,[1] the Baltic Exchange completed in 1903,[1] Lloyds Bank in Lombard Street completed in 1931,[1] Trawsfynndd power station completed in 1962[1] and the Stock Exchange Tower completed in 1972.[1]


Further reading[edit]

  • Trollope & Colls, City builders for 200 years 1778-1978, Published in 1978, Printed by Precision Press for Trollope & Colls, Marlow, Buckinghamshire

External links[edit]