List of Berkshire boundary changes

Boundary changes affecting the English county of Berkshire.

Date	Legislation	Effect
Historic county
20 October 1844	Counties (Detached Parts) Act 1844	Great Barrington (part) transferred to Gloucestershire Little Faringdon transferred to Oxfordshire Shilton (part) transferred to Oxfordshire Oxenwood transferred to Wiltshire but erroneously listed as exclave, so transfer cancelled Inglesham (part) transferred to Wiltshire Hurst (part) transferred from Wiltshire Shinfield (part) transferred from Wiltshire Wokingham (part) transferred from Wiltshire
Administrative county
1889	Local Government Act 1888	Grandpont and New Hinksey transferred to Oxfordshire
1895	Local Government Act 1894	Combe transferred from Hampshire Shalbourne (part) transferred to Wiltshire, including Oxenwood
9 November 1911	Local Government Board Provisional Order Confirmation (No. 11) Act 1911	Caversham transferred from Oxfordshire
Non-metropolitan county
1 April 1974	Local Government Act 1972	Abingdon, Didcot, Wallingford, Wantage and environs transferred to Oxfordshire (see list of places below) Burnham (part), Datchet, Eton, Horton, Slough, Wexham (part) and Wraysbury transferred from Buckinghamshire See list of places transferred.
1 April 1977		Mapledurham (part), Emmer Green (part), Caversham Park Village and Micklands Estate transferred from Oxfordshire
1 April 1990	The Berkshire, Dorset and Wiltshire (County Boundaries) Order 1989	Parts of Hungerford and Lambourne (50,112 hectares) exchanged with Wiltshire
1 April 1991	The Berkshire, Buckinghamshire, Hampshire, Oxfordshire and Surrey (County Boundaries) Order 1991	Exchanges with Oxfordshire (16 hectares) Exchanges with Buckinghamshire (32 hectares) Exchanges with Surrey (217 hectares) Exchanges with Hampshire (70 hectares)
1 April 1995	The Berkshire, Buckinghamshire and Surrey (County Boundaries) Order 1994	Colnbrook transferred from Buckinghamshire Poyle transferred from Surrey