Councils have powers of enforcement seperate from the Regularisation Application process. You should not assume that applying for Regularisation will make you safe from enforcement, although enforcement is unlikely where you gain a Regularisation Certificate.
By telephone: 01628 796870
By email: building.control@rbwm.gov.uk
By post: RBWM Building Control Consultancy, Tinkers Lane Depot, Tinkers Lane, Windsor, Berks SL4 4LR