Here’s what you need to know:

You do need planning permission for a house extension if it is to the side, or if it involves a mix of new side, rear and/or front parts.

Some things to consider:

There are alternatives which may not require planning permission, such as extending to the rear only, or converting a side garage.

Anything you build (regardless of planning) will have to comply with the Building Regulations. These govern everything from energy performance to the size of window openings.

You will need to appoint project supervisors to ensure your build goes safely.

Protected structures are a different story - the standard exemptions listed here will not apply.

Consider using the services of a registered Architect, Engineer or Surveyor ​who will be familiar with the planning system.

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