The Portman Estate originally comprised about 270 acres. It extended from the present day Oxford Street northwards to approximately the course of the Regent's Canal and, from Edgware Road, eastwards to the western boundary of Regent's Park. The land lying south of the east-west line of Bryanston Place, Montagu Place and Dorset Street remains largely under the ownership of the Portman Family today.
Today the Portman Estate retains much of its late eighteenth century residential character. Substantial parts of the original grid layout of streets and squares and the Georgian terraces lining them have survived, with Manchester Square to the east containing some of the oldest houses in the area.
Towards the end of the 19th century and early 20th century a grander scale was introduced to parts of the conservation area, with development of mansion blocks and civic buildings focusing on Marylebone Road. Large scale commercial development since the First World War, has been concentrated along the principal routes of Oxford Street, Baker Street and around Portman Square, where only three of the original grand houses survive on the north side.
The conservation area was designated in 1967 and extended in 1979 and 1990.
|Publications and Documents:|
|Portman Estate Conservation Area Map|
|Portman Estate Mini Guide|
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