All doors and windows fitted by SDB come with a product guarantee as well as a 10 year workmanship guarantee. All guarantee’s on workmanship are insurance backed by ‘The Consumer Protection Association’ who, in the unlikely event of SDB ceasing business activities will step in and carry on SDB’s guarantee in our stead. Further information on the C.P.A can be found on their website

SBD is a Fensa registered company (31532). Fensa is a government authorised competent person scheme. Working with thousands of window and door fitters across the U.K. it is FENSA’s job to make sure installers are up to the task of skilfully fitting your windows and doors and adhering to the correct regulations that may be in place for any given job. All customers who have had work carried out by SDB on existing properties (not new build or extensions) will be sent a certificate by FENSA after the work has been completed.