http://www.prlog.org/12371265-guide-to-permitted-development-rules.html What is Permitted Development? How to get Permitted Development? Read more @ http://www.drawingandplanning.com/residential-planning-application/permitted-development/permitted-development.html
Recent planning Permitted Development rule changes aim to apply sustainable drainage (SuDS) to new or replacement paving around various non-domestic buildings as well as existing homes as part of the fight against flooding.
Outstanding Approaches to Outbuilding Design on a Budget
MATT has completed the construction of this extension to a holiday home in Cornwall - designed to take maximum advantage of the changes to UK Permitted Development rules brought in during The single storey extension and outbuildings more.