Welbeck Street is one of the principal north-south routes of the Howard de Walden Estate in eastern Marylebone, running from Cavendish Square northward through the medical district and crossing Queen Anne Street, New Cavendish Street, Weymouth Street and Devonshire Street before meeting Marylebone Road. It carries the W1G postcode.
The Howard de Walden Estate has managed this part of Marylebone since 1879, when the 5th Duke of Portland died without issue and the land passed to his sister, who was married to the 6th Baron Howard de Walden. The Portland Estate that preceded it was itself the product of the 1734 marriage between William Bentinck, 2nd Duke of Portland, and Lady Margaret Harley, daughter of the 2nd Earl of Oxford, whose family name gives Harley Street its identity. Welbeck Street is named after Welbeck Abbey in Nottinghamshire, the family seat of the Bentincks.
Several fine Georgian townhouses survive along the street, notably at numbers 11, 14 and 28 to 32. At 32 Welbeck Street, a Russian Orthodox Chapel was established from at least 1813 when the building served as the residence of the Russian Embassy Chaplain. The chapel was rebuilt in 1864 to designs by architect James Thomson, with a lead-covered dome on an octagonal drum.
Like Harley Street, Welbeck Street has long attracted medical and specialist consulting practices, and this professional character persists today.
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