A comprehensive list of Watford based installers, suppliers & manufacturers offering window & door double glazing, installation, repair & replacement services. Read unbiased reviews of local contractors. 
Transform your living space with our market leading bifold doors and open up a multitude of possibilities in your home. A modern take on the traditional sliding patio door with the perfect blend of aesthetics and functionality. High specification composite, uPVC, timber alternative and aluminium front doors that will complement any home.
Reg Lopez — The team from Harp did a great job with our windows. From providing all the info needed to comply with the landlord's licensing