London Secondary Glazing (LSG) Ltd - Sound Proof and Insulate your Windows.

Secondary glazing is an internal system used to create double glazing on a larger scale which will sound proof and insulate your original window without replacing it. We are specialists in grade one and two listed buildings and conservation areas. In these buildings it is not possible to replace the existing window also with the energy prices of today secondary glazing is an affordable way of cutting your carbon footprint and reducing those heating bills.

Please take a look through our site at our products and in our gallery where you can find quality finished pictures of our work. If there is any questions you may have please do not hesitate to contact us or if you would like some more photo's e mailed to you or sent to you for viewing.

We are a family run business based in east London. Our family have been designing, manufacturing and installing secondary double glazing for over 30 years. In this time we have come across every shape and style of window there is.

So why not send us an E mail or give us a call on 0208 292 9033 see if we can insulate your home and shut out that sound, we are installing in the city every day improving lives and working environments. Our frames are slimline, unlike the older style which is big and bulky. As you can see from the picture's below our windows are not really visable.

We aim to be beat all of our competitors in price and in quality of finish. Customer service is very important to us so we offer a TEN YEAR GUARANTEE ON ALL OUR MATERIALS AND WORKMANSHIP.

Our quotes are no obligation, We can also show you a sample of the secondary window you are interested in. So what have you got to lose why not see for yourself. No more draught and sleepless nights.

Our aim is to have your windows installed within two weeks of your confirmed order.

We are CSCS approved installers and the glass we use conforms with british standrads.