The Old London Window Company is one of the London’s leading specialists in the design, manufacture and installation of secondary double glazing serving both residential and commercial customers.
We specialise in secondary double glazing, and with over two decades experience, we have a built a solid background in all aspects of secondary glazing, stylishly transforming homes and commercial properties with a range of value adding secondary glazing options at hugely competitive prices.
The Old London Window Company offers you a wide range of styles and options, all with our full 20 year guarantee of performance and durability.
Tailor-made design, comfort, security and value for money and guaranteed for 20 years!
“I would like to thank The Old London Window Company for the quick and excellent service while installing the removable secondary glazing for my windows”
“I requested a secondary glazing installation and I got a competitive price, a fast response, an upgrade of material from the standard equipment and a prompt and precise installation. I can definitely say that I've been extremely satisfied with the service received and the cooperative and pro-business approach”
“A cheaper final quote which was much better than other window companies. After the windows were installed, job well done, the windows are good quality, A rated and I am very pleased”