What does that mean for me?
Work in Progress Insurance
A 10 year Guarantee on the quality of workmanship
A 10 year Insurance Backed Guarantee to protect this guarantee
A Compliance Certificate to ensure all installations meet with current relevant Building Regulations
Access to FREE mediators, independent inspectors and, if necessary, The Ombudsman
Access to The DGCOS Compensation Fund to honour any awards made by the Ombudsman
Deposit Protection Insurance to guarantee any deposits you may pay

DGCOS has the backing of the peoples’ consumer champion, Nick Ross. It protects consumers against cowboy operators. The former BBC Crimewatch and Watchdog presenter is the ambassador of the Ombudsman Scheme, which provides comprehensive protection for homeowners installing windows, doors, conservatories, orangeries and associated products by its members.

All covered by the Mastercraft Building Services Ltd guarantee for total piece of mind.

Who is DGCOS?
DGCOS is ‘the’ Ombudsman Scheme for the UK double glazing industry – a powerful organisation that offers unparalleled consumer protection.
DGCOS helps you make the right choice in using reputable installers that trade ethically, use ethical sales practices, deliver quality workmanship and offer excellent value for money.

DGCOS is here to ensure the installer honours its promises and guarantees, and does a professional job from start to finish.
Making it easy for you to use a reputable installer.

Find out more about DGCOS here