Download or read book Spon's Practical Guide to Alterations & Extensions written by Andrew R. Williams and published by Routledge. This book was released on 2008-04-03 with total page 265 pages. Available in PDF, EPUB and Kindle. Book excerpt: This practical guide to altering or extending property discusses the procedures, the problems and pitfalls of extending or altering property and is invaluable to all those who are trying to ensure that the processes involved are carried out efficiently and cost-effectively.