You will need to make a note of what you think is wrong, For example:
You can then check on the Planning Public Access Module to see the approved plans and any conditions made when the permission was issued. If there is an infringement you can send in a complaint by completing an on-line form.
By telephone: 01628 683810
By email: planning.maidenhead@rbwm.gov.uk
By post: Development Control Section, RBWM, Town Hall, St Ives Road, Maidenhead, Berks SL6 1RF
Web page: Development Control home page.