In certain cases, institutions offer borrowing options up to 100 per cent of the total value of a property you are interested in developing. Additionally, if purchasing land to develop, at times, lenders not only loan you the estimated value of the land but also a fixed percentage of the likely value of the finished property.
Visit www.channel4.com for general details. Another good site regarding financing property development specific to the UK would be www.strategyconsultinglimited.co.uk.
An insightful quiz would be money.guardian.co.uk. It poses some interesting questions dealing with property development.