Overview Details Swallow End, Hertfordshire Following a successful application for office to residential apartments as part of a permitted development scheme Studio 11 Architecture have recently submitted a new full planning application to improve the building.The scheme includes a complete external refurbishment of the 1960’s building, extension to the existing building to form new 1 & 2 bedroom apartments as well as the creation of a new roof garden. Location − Welwyn Garden City, Hertfordshire Status − In planning Planning Consultant − Waller Planning