Zellers is an established local supplier and installer of double glazed PVCu windows, Aluminium windows, entrance doors, patio doors and bespoke conservatories in Harrow, Pinner, Stanmore and a wide area across London, North West London, Middlesex, Hertfordshire and Buckinghamshire.

Originally based at Wealdstone, Harrow, Zellers are experienced double glazing installers with thousands of satisfied customers across north west London. Customers enjoy a brighter outlook with our superb range of  A rated PVCu windows, Entrance Doors including an extensive new range of stylish composite doors,  Bi-fold "folding" doors, french doors and sliding patio doors, doors that combine style with strength, safety, security and of course energy efficiency. New Generation direct fix Aluminium replacement windows, entrance doors and sliding patio doors, folding Aluminium doors offer discerning customers a stunning slimline and robust alternative to PVCu.Our bespoke aluminium conservatories and orangeries add value to your home. All Zellers double glazing products comply with the latest building regulations and come with the peace of mind of a 10-Year Insurance backed Guarantee. For advice and a free no-obligation quotation on your double glazing needs please call our sales advisors on 01895 273338 or visit our factory showroom in Uxbridge.  Zellers PVCu and New Generation Aluminium windows, doors and bespoke conservatories can be installed efficiently and at competitive prices, giving you years of maintenance-free enjoyment.

Product and Installation Guarantees
With an extensive manufacturing facility at Uxbridge, Zellers have a wealth of industry experience to offer.  As a homeowner, you can be assured that all double glazing units from Zellers comply with the latest building regulations (October 2010) and come with a 10-Year Guarantee for your peace of mind. For a Free Quote please call 01895 273338. Or click here to contact us online

Visit our showroom
To view our latest range of energy efficient windows including traditional style casement windows, Tilt &Turn windows and vertical sash windows, entrance doors including popular composite doors, French doors and Patio doors, bi-fold "folding" doors  - click here for directions to our factory Showroom.The Factory showroom is open Monday to Friday 10am until 5pm and on Saturday mornings 10am until 2pm. Feel free to bring along your window and door sizes or building plans and we will be happy to provide some budget costs for your project.For advice on how to measure your windows and doors please call our helpful sales advisors on 01895 273338