We are a family run business, with over 30 years in the trade of windows and doors London and the surrounding areas. Producing all aspects of bespoke joinery for a wide range of residential and commercial properties, architects, builders and other window companies. Our reputation has been built over many years by our ability to produce the highest quality joinery products together with a traditional approach, expert craftsmanship and the latest technology. All of our joinery is manufactured in house and installed by our highly qualified and experience fitters.

Our expert knowledge, team of craftsmen and over 30 years of experience enables us to design handcraft and manufacture a multitude of Joinery pieces that will enhance and add value to your living space.

In addition to supplying and installing complete new joinery our expert fitting teams are able to restore and repair joinery to its original glory. As well as offering a full english heritage approved draught-proofing service. Not many sash window companies in London also offer sash window repair. So rather than completely replacing or part replacing a sash window, we are able to carry out repair work on some original sash windows - which is particularly important for listed buildings or buildings in conservation areas - as well as being more cost effective.

With over 30 years of experience combined with our state of the art workshop, enables us to tailor make your windows to match every detail of your home's existing windows if required, which is particularly important in conservation areas and listed properties, whilst giving maximum thermal efficiency with our unique slimlite double glazed system that you would achieve with modern UPVC windows. Research shows that carefully manufactured and installed sash windows can have a huge impact on the value of your property when sympathetically matched with the existing windows.

Tailor-made doors to suit the period character of your property. Traditional joinery techniques combined with state of the art equipment and machinery enable us to provide unrivaled quality finished product.

So pleased with our windows and doors. The finish is exceptional. Really nice people to deal with.

Recommended by interior designer to use Landmark Windows, so pleased we did. Very professional and quality craftsmanship.

The service and workmanship is perfection from start to finish! The best!

What's new?

5 Star: Mary S. "Excellent service, product and staff. Beautiful doors and windows that bring the character I..."… https://t.co/4H2G2bqyta

Posted on Jan 24, 2021  •  Twitter

5 Star: S W. "Landmark produce joinery of the highest quality.We have used them on numerous window and door..."… https://t.co/jcbkVTPkKp

Posted on Jan 21, 2021  •  Twitter

5 Star: Mary S. "Great product and competitive price. Very personal service and no hard sell. Hard working,..."… https://t.co/BKKc54bbUk

Posted on Jan 18, 2021  •  Twitter

5 Star: Mr . "We have used Landmark for numerous projects now, both windows and doors. Their work is top..."… https://t.co/qQPOiCzByC

Posted on Jan 12, 2021  •  Twitter

5 Star: MarkB-2690 "Top quality products traditional family run business. A pleasure to deal with."… https://t.co/V9bfeRQJve

Posted on Aug 27, 2020  •  Twitter

5 Star: Brin M. "Great job, would recommend" https://t.co/t6syYVYJoT https://t.co/VcsteetB53

Posted on Aug 14, 2020  •  Twitter

5 Star: Nigel B. "Have dealt with these guys for a couple of years and always found them decent and honest to..."… https://t.co/GX1jOwOB0x

Posted on Aug 11, 2020  •  Twitter

5 Star: James G. "Very good service from start to finish" https://t.co/pSCJ4zhhV3 https://t.co/cchKyi7A1u

Posted on Aug 08, 2020  •  Twitter

5 Star: Zak D. "Designed and installed windows and doors for our extension and did a perfect job, was very easy..."… https://t.co/75oRX5bi65

Posted on Aug 05, 2020  •  Twitter

5 Star: Ian L. "Having used Landmark several times I can honestly say that I would now not consider anyone else..."… https://t.co/VpFEf52a3A

Posted on Aug 02, 2020  •  Twitter

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