Aston House has been acquired by business group Knightsbridge Developments. : Aston House, a 6,400 sq ft two-storey office building in Aston Road North, has been sold to business group Knightsbridge Developments. The property, which sits outside Birmingham's new Clean Air Zone, comprises ground and first floor offices together with a storage area and roller shutter access. Steven Hannaford, senior surveyor with commercial property agency Burley Browne, brokered the deal on behalf of a private investor. BusinessLive is your home for business news from across the West Midlands including Birmingham, the Black Country, Solihull, Coventry and Staffordshire.