Advanced Double Glazing, London

121 Lant Street
SE1 1QH London
Greater London
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At Double Glazing London we supply and fit top quality double glazed windows, doors and conservatories. We have the skills and knowledge to handle any job professionally and efficiently. Our fitters and fabricators are well trained, skilled and experienced to ensure a professional finish.

Using only the best quality materials and working practices, our fitters will complete your job to the highest possible standards. We always aim to achieve 100% customer satisfaction on all work ensuring we keep our excellent reputation for quality!

Double Glazing London offer competitively priced, professional, local advice and services, without the hard sell associated with many other double glazing firms.

Company description
Make Double Glazing London Your First Choice For:
Stunning uPVC Windows in a range of leaded and unleaded effects
uPVC Double Glazed Windows available in a range of colours
Composite Doors & uPVC Doors
Tilt & Turn Widows and Sash
Beautiful French Doors, Sliding Patio Doors and Bi Folding Doors
Conservatories design and planning service
Luxury bespoke designed conservatories and orangeries
Insurance backed guarantee
Customer satisfaction and meeting your expectations is very important and Double Glazing London always strive to ensure that your windows, doors or conservatories are even better than you had imagined.

Whether you have just one window to replace or your whole house and a conservatory too, we are happy to provide you with a comprehensive quotation. Double Glazing London fitters also fit windows in many commercial properties.


Demi Stephens
5 Stars

kitchen and basement windows

, 03 August 2012

Serviceman was a clean and respectful representative. He arrived early for the appointment, walked us through the different options and answered all of our questions patiently. He even educated us on how we can save money by buying enersave windows! We were happy with the quality of product and believe the cost was priced accordingly. Very competitive prices.
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Lola Pearson
5 Stars

Window installation

, 02 August 2012

I called the company and they had someone a.s.a.p giving me a quote. The job was phenomenal, never again will i ever hire someone that i dont know or havent seen their work. Next time i am calling this company
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Alice Lane
5 Stars

Windows on my home & other renovations

, 01 August 2012

I was referred to the above company from a friend. They not only gave me a very competative price, but the materials used and the quality of the workmanship was excellent. I have no hesitation whatsoever in recommending this company, and I must say they have earned my trust and future business. Great Job!
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Matilda Hardy
5 Stars

Amazing work

, 31 July 2012

Ever since we got our new front door, everyone's asked us where we got this great door from! The frosted glass with the intricate detailing is beautiful!The door perfectly compliments our house. The window on the door provides perfect coverage while still providing aesthetic appeal.Overall, I am very satisfied with how well the door compliments my house.
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Edward Reeves
5 Stars


, 27 July 2012

Several weeks ago we had our or windows done, and the job was excellent, installers was professional/courteous and polite, the Salesman was also great. We were very impressed and has no hesitation referring your company. Thank you
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Freya Lowe
5 Stars

Windows and Doors Replaced

, 24 July 2012

We had all our doors and windows replaced. The staff was very courteous. The contractors arrived on time and completed the job on time. They did not leave a mess and explained all the features the windows had.
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Olivia Newton
5 Stars


, 23 July 2012

Windows are beautiful, workmen were very good, from measuring to fitting in the windows.. we are very satisfied with the results..local people come and look and remark on what a difference the new windows makes to our house.We still have the sign on our front lawn with this company , just so everyone knows what company we used...
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Eloise Shepherd
5 Stars


, 18 July 2012

I must say that this company was a pleasure to deal with when we decided to replace all of the windows in our home. The people we dealt with were extremely professional from beginning to end from sales, to installers to service. Quite impressive! Actually one of the seals broke about two years ago and they came out to immediately replace that window. That's what I call customer service! Excellent company, considered a leader in their field. I give them 2 thumbs up!
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Emma Sanders
5 Stars


, 17 July 2012

Decided to renovate is a difficult decision but this company made it easy. My new windows are great. In a single day the installers transformed my home. Thanks to everyone at this company for a job well done.
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Jade Fletcher
5 Stars

Windows system

, 16 July 2012

Our sale rep was friendly and knowledgeable. We are happy with the installation and the crew that came out to install our products. We would use this company and would recommend them to family and friends.
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