Double Glazing Companies in Harrow

List of Harrow based installers, suppliers & manufacturers offering window & door double glazing, installation, repair & replacement services.

Business Listings

The Window Centre is long established and as a family run company is able to combine extensive knowledge of products available with expertise in fitting them and matching the right product to the right job. We operate within a 25 mile radius of our showroom which enables us to respond quickly to requirements? Whether it be a visit from a representative, our surveyors or our service engineers.


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.

Additional Listings