Following the successful conversion of a townhouse on Marlborough Road, we were approached by our client to prepare designs for their recently purchased five-story townhouse on Onslow Road. Our proposals include: the full refurbishment of the interiors on each floor; opening up the lower-ground level and extending with a modern portland stone clad extension to create a generous open plan family kitchen, dining, and living space leading to a newly enlarged terrace with steps up into the rear garden; as well as a modern steel and structurally glazed home office on the upper-ground.