With all building work, the owner of the property (or land) in question is ultimately responsible for complying with the relevant planning rules and building regulations. Therefore, failure to comply with the relevant rules will result in the owner being liable for any remedial action.
Planning Permission, in simple terms, is like asking if you can do a certain piece of building work. It will be granted (possibly subject to certain conditions) or refused.
On some occasions, for small extensions or alteration projects, your work may fall within your permitted development rights and as such would not require planning permission. We can advise you on whether it does but for further information please click on the following links: