Extraglaze Secondary Glazing - Contact Details
Extraglaze Explained
Measuring Guidelines
Solutions for listed buildings

Reviews

  • 16 hours ago
    ratings
                    5
  • 2 weeks ago
    ratings
                    5
  • 3 weeks ago
    ratings
                    5
    Extraglaze Secondary Glazing is a superb product , easy to install , removable as it’s magnetic and Accepted by conservation . Good choice of colours to match frames.
    Show more ...
  • 4 weeks ago
    ratings
                    5
    Andrew Quirey
  • 1 month ago
    ratings
                    5
    Ken, Grantham
  • 1 month ago
    ratings
                    5
    Very good
    Service rating : A lot of care when you call them
    Graham Moss, London
    Show more ...
  • 1 month ago
    ratings
                    5
    Expensive but good quality
    Show more ...
  • 5 months ago
    ratings
                    5
    Excellent product and professionalism
    James
    Show more ...
  • 5 months ago
    ratings
                    5
    We felt its the best glazing alternative to often unsightly aluminium units
    Mr Tanaka, London
    Show more ...
  • 6 months ago
    ratings
                    4
    Very personal but professional service
    Product : Excellent, easy to use and install
    Graham Moss
    Show more ...

Extra news

Veritherm case study – Extraglaze comes out top

Extraglaze was installed as part of a real life case study, in a real home, and the results measured and reported by Veritherm.co.uk

Read more …

Green Homes Grant

(announced 7th July)

Important update for October 2020: Extraglaze has given great consideration to the Green Homes Grant, and has declined to take part.

Read more …

Extraglaze at the National Trust offices, Hidcote Manor Gardens

February 2020

We are very proud to have installed our magnetic secondary glazing at the National Trust's Hidcote Manor Gardens, in the staff offices – to keep everyone warm in rooms where other potential secondary glazing solutions had been considered out of the question.

Read more …

Nic Irvine, co-founder of Extraglaze, was a guest speaker at a conference consisting primarily of Conservation Officers.

"Through the Looking Glass", coordinated by Marianne Suhr, gathered over 180 delegates with a professional interest in Listed Buildings. Over two days it discussed all aspects of historic windows from how they have evolved, their construction and materials, through to how Conservation Officers, academics and professionals can ensure they remain a key feature of our heritage into the future.

A genuinely strong feature amongst the exhibits and talks was secondary glazing, with a very obvious enthusiasm for magnetic secondary glazing from many of the speakers. Nic Irvine from Extraglaze spoke twice on the second day, firstly about the scientific research he had commissioned last year into the effectiveness of secondary glazing, then, more generally, he explained how secondary glazing offers a very strong method of preserving precious windows - in fact describing it as a means of "museum casing" them, especially after remedial work (whether general maintenance or sensitive, and expensive, repairs).

Marianne, who appeared alongside Griff Rhys Jones in the BBC TV series "Restoration", said to her audience "I have put a lot of time, money and effort into the windows in my own home, having them draught proofed, then adding magnetic secondary glazing. My own experience got me thinking how important windows are in our country's Listed Buildings, for everyone. When I started talking to my colleagues we decided to organise this unique event... My own experience, and that of others here today, is that magnetic secondary glazing is a fantastic option for insulating your home, reducing noise and keeping your windows at their best without invasive surgery of any kind.

Help & Guides

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Reviews

  • 16 hours ago
    ratings
                    5
  • 2 weeks ago
    ratings
                    5
  • 3 weeks ago
    ratings
                    5
    Extraglaze Secondary Glazing is a superb product , easy to install , removable as it’s magnetic and Accepted by conservation . Good choice of colours to match frames.
    Show more ...
  • 4 weeks ago
    ratings
                    5
    Andrew Quirey
  • 1 month ago
    ratings
                    5
    Ken, Grantham
  • 1 month ago
    ratings
                    5
    Very good
    Service rating : A lot of care when you call them
    Graham Moss, London
    Show more ...
  • 1 month ago
    ratings
                    5
    Expensive but good quality
    Show more ...
  • 5 months ago
    ratings
                    5
    Excellent product and professionalism
    James
    Show more ...
  • 5 months ago
    ratings
                    5
    We felt its the best glazing alternative to often unsightly aluminium units
    Mr Tanaka, London
    Show more ...
  • 6 months ago
    ratings
                    4
    Very personal but professional service
    Product : Excellent, easy to use and install
    Graham Moss
    Show more ...

Extra news

Veritherm case study – Extraglaze comes out top

Extraglaze was installed as part of a real life case study, in a real home, and the results measured and reported by Veritherm.co.uk

Read more …

Green Homes Grant

(announced 7th July)

Important update for October 2020: Extraglaze has given great consideration to the Green Homes Grant, and has declined to take part.

Read more …

Extraglaze at the National Trust offices, Hidcote Manor Gardens

February 2020

We are very proud to have installed our magnetic secondary glazing at the National Trust's Hidcote Manor Gardens, in the staff offices – to keep everyone warm in rooms where other potential secondary glazing solutions had been considered out of the question.

Read more …


Extraglaze in Telford, formerly in Shrewsbury, is both a supplier and installer of specialist secondary glazing services, with a rapidly expanding network of trained fitters. Our customers include home owners, offices, schools, even holiday resorts with single glazed windows. We frequently install our secondary glazing in listed buildings and conservation areas, as well as church conversions, often with arched and stone framed windows. Extraglaze will even turn double glazing into triple glazing, and stop condensation. If you live in a noisy city or town centre, especially with draughty, badly sealed sash windows, it will bring you the sound insulation you never imagined possible, even as you watch the traffic pass by! We insulate sash windows and insulate casement windows. All our panels are made to measure. We make special shapes, arches and out-of-square panels, even bowed (3 dimensional) panels for windows that follow curved facades. We supply and fit magnetic secondary glazing for sash windows and casement windows, and of course stained glass windows. If you require energy saving windows then insulating sash windows is a great alternative to window replacement or window renovation. The low cost of secondary double glazing is affordable compared to replacement sash windows & replacement casement windows. Extraglaze offers window thermal insulation and sound insulation for existing windows including stained glass windows. Both double glazed sash windows and triple glazed sash windows are possible. Extraglaze can turn draughty old windows into energy efficient windows. We have Fitters in Newark, Grantham & Nottingham, also in Newcastle upon Tyne in the North East. Installations are taking place in Hove, Lewes & Brighton. Additionally in Central London: Islington and around Mile End. We have installers in Weymouth and Swanage, Dorset.

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Important advice


Monday 5th August 2024


Currently new orders will be dispatched within 3 weeks.

Great summer news! Many customers say Extraglaze is keeping their homes cooler in the summer. So, yet another benefit, and another energy saving if you have air conditioning.

DIY customers: please order a Free Sample and Measuring Guide, and spend time in our FAQs. You may get your answers immediately, instead of waiting for a reply from us.

Want to have Extraglaze installed by one of our fitters? Please request our services well in advance of the winter period - after that time we may be fully booked up, but don't hestitate to ask, because we are steadily increasing the number of fitters available throughout the UK. Please consider, if you know a good trades person locally then they could be your best first-point-of-call. We want to support them, rather than disappoint you altogether. For their benefit please order a Free Sample and Measuring Guide in advance. When your windows prove challenging we can work with them to survey your windows from photos and approximate dimensions, or a video conversation. If you need the expertise of a Master Fitter we will make this clear.

*learn more about FREE delivery. T's & C's apply.

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