A comprehensive list of Harrow based installers, suppliers & manufacturers offering window & door double glazing, installation, repair & replacement services. Read unbiased reviews of local contractors. 
No matter what your style or property type, we have something for everyone, here at The Window & Door Centre. We pride ourselves in using high quality profiles for all windows and doors, combined with A-rated energy efficient glass - so you can stay at your desired temperature, all year round, without overpaying on heating bills.
Rod MacLeod — We were recommended the Window Centre by a friend when we needed a front door and bathroom window replacement. We were so
Zellers are an established supplier of PVCu and Aluminium replacement windows, entrance doors and conservatories. All double glazing units from Zellers comply with the latest building regulations and come with a 10-Year Guarantee. Zellers Windows, Doors & Conservatories have been installing home improvement products in homes throughout North and West London, Middlesex and Hertfordshire since 1975
Deborah Cairns — I cannot recommend these folks highly enough for both their initial service and aftercare service. My (now elderly) Mother