I submit all my planning applications via the planning portal it makes it easier for me to submit (and for my clients to pay the planning fee)
The planning portal is also a good source of advice and information regarding the planning process
your local planning authority will have a specialist department to assist with any questions
Rushcliffe Borough Council Planning
Nottingham City Council Planning
Broxtowe Borough Council Planning
Most house redevelopments and extension will require building regulation approval. The majority of builders now use approved inspectors to approve their work