TY - BOOK AU - Williamson, Laurie AU - Williamson, Laurie TI - Home extensions : planning, managing and completing your extension SN - 9781847971593 AV - 728 WIL 2007 U1 - 728 WIL 2007 PY - 2007/// CY - Wiltshire PB - The Crowood Press KW - Civil Engineering ER -