sentences:  Along with "Great Smith Street" to the north, and John Islip Street to the south, it is designated the B326 in the Great Britain road numbering scheme.Marsham Street has been subject to a number of high end residential developments formed out of what used to be Westminster Hospital and associated former nursing accommodation.These developments were completed in the period 2005 to 2007, and are now attracting purchasers who traditionally would have sought out accommodation in Chelsea and Knightsbridge, but are attracted by high specification buildings and attractive pricing by developers.