Sizewell C DCO
Document Portal

This website hosts all the Sizewell C planning application documents that have been submitted to the Planning Inspectorate.

Register your views

You can now register on the Planning Inspectorate (PINS) website as an Interested Party. This will give you the opportunity to comment on the Sizewell C proposals. PINS will keep you informed of the application’s progress and offer you the chance to present your views at the examination phase. Please note, you can only register your views on the PINS website.

Click here to register your views with PINS

Please note due to COVID-19 the Planning Inspectorate can no longer send or receive paper forms. If you are unable to complete a registration form online and would like to register your interest, please call the PINS helpline on 0303 444 5000 or email the PINS Sizewell project mailbox on the PINS project page, for advice on how to register.

Documents on this website are correct at 8th July 2020.

If making a representation to the Planning inspectorate (PINS) please ensure you use references which can be found on the PINS website:

For more information visit

Email the Planning Inspectorate at

Or for further advice please see Advice Note 8.2 on the planning inspector website.
How to register to participate in an Examination

The Sizewell C Project team is also on hand to provide help. Please call 0800 197 6102 or email