You are a British national, you can apply for a European citizen residence permit.
A residence permit is not mandatory in France for Europeans (European Union, European Economic Area, Swiss Confederation).
If you wish to apply for a residence permit:
In view of the ongoing negotiations on Brexit, a special procedure is being set up for the processing of applications for residence permits from British nationals.
Applications must be sent exclusively by post as from 1 December 2018 to the Préfecture de la Vienne at the following address and with the following information:
Préfecture de la Vienne
« Bureau du séjour et de l’asile »
« Titre de séjour britannique »
Place Aristide Briand – CS 30589
You can also have an appointment calling phone number : 05 49 47 25 25 to check the good constitution of your file at "sous-prefecture de Montmorillon" 1 boulevard de Strasbourg every Tuesday and Thursday morning from 8:30 to 12:30.
Moreover the deposit of the file is allowed at sous préfecture de Montmorillon.
If the file is incomplete, a request for additional documents will be made by e-mail to the applicant.
Once the file has been processed, the applicant will be invited to the préfecture to receive the residence permit.
British nationals who already have an appointment at the prefecture that has not been cancelled are invited to go to the prefecture on the date of the appointment to submit their file. However, they can cancel their appointment by calling 05 49 55 69 11 and then send their application for a residence permit by post.
These services are totaly free, pay someone for helping does not guarantee you the good constitution of the file.
In addition to the documents common to all requests, the supporting documents required vary according to the permit requested and depend on your situation:
The maximum period of validity of a ‘titre de séjour’ or residence permit is 5 years.
If you have a right to permanent residence, the duration of the residence permit is 10 years.
Mail : firstname.lastname@example.org (from December 1st)