Do you need planning permission

Not all works need planning permission. Some works can be undertaken under Permitted Development Rights. 

Find out if you need planning permission before you make a formal application. You can find all the advice and information you need here: 

• find out about what can changes can be made without needing planning permission 
• check what other planning constraints may apply to your home 
• have a look at local plan policies as these can affect what permissions you might need 
• find general advice about building regulations 
• for general advice visit the Planning Portal 

If you know that planning permission is needed 

What happens next if planning permission is not needed

• you can apply for certification that a development is lawful 
• it is important that you contact the Building Control Department even if planning permission is not required 

You can make a start on your development, but you do this at your own risk. You may find yourself open to planning enforcement action if it turns out that you did need planning permission.  
It may affect the insurance on your property. This might mean you have difficulty selling your property.