Repair or replace sash windows

If your timber sash windows are showing their age with draughts, rattles or rot, we can provide a range of solutions. These include full renovation and draught­ proofing of your existing sash and case windows, repair of specific problem areas such as windowsills or mastic pointing - or even completely new timber single or double glazed sash and case windows in keeping with the style of your home. We will talk you through the options, give advice on listed building and conservation area status, and provide free, detailed quotations.

The sash window specialists

Thousands of homes in Scotland have timber sash windows which are now a hundred years old or more. They’re a beautiful asset to our built environment, and we’re here to keep them looking and working their very best. We also make and fit new sash windows that look just like the originals. Based in Glasgow but covering the whole of Scotland, we live and breathe timber sash windows - and there’s nothing about them we can’t do.

For a FREE estimate, with full on­site survey and written quotation, contact us today

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Our Services

Double glazed sashes
Where replacement of existing case is not required we can manufacture and install complete new double-glazed ​sashes, along with complex renovation of case. Replaciglazing is more energy efficient with a lower environmental impact.
Our technique retains Georgian or Victorian aesthetics whilst complying with building regulation.
We can also install argon filled double glazing to increase the thermal efficiency of the windows or toughened glass to increase the security, as it is break resistant.
Draught proofing sash windows and doors
As dedicated experts specialising in sash and case windows we always look for ways to improve window energy efficiency of windows using custom weather strips to address the common symptoms of draughty, rattling windows, reducing the air permeability, as well as noise and dust incursion.The draught proofing system which we use it's non-rot draught proofing system specifically designed for timber frames.
Sash window renovation
As skilled, experienced craftsmen, we cover the full range of traditional materials and techniques to restore your existing windows to their former glory. Restoration works included timber framed sash windows, refurbishment of cases, installation of draught-proofed and all finishings like final painting and new sash windows hardware throughout. When renovating the original sashes we retain original features as well as eliminating rattles and draughts.
Complete box sash window replacement
We can manufacture and install complete new windows, including the box frame. Company offers the latest double glazing technology, updating your wooden sash windows to comply with current building regulations. Double-glazing is more energy efficient with a lower environmental impact. Our technique retains Georgian or Victorian aesthetics whilst complying with building regulation. We can also install argon filled double glazing to increase the thermal efficiency of the windows or toughened glass.
Rain and sunshine can damage the outer sash window windowsill even when the rest of the window is in good condition. We can repair, replace or repaint sills for a quick and cost-effective solution.
Mastic pointing
When the mastic pointing is in bad condition it means higher costs due to heat loss. Application of new mastic pointing helps to improve the insulation (wind and water tight ).
Conservation areas, Listed buildings
MWM Matt Window Mate works along with Conservation Officers and Building Inspectors guidelines in Scotland to bring the traditional wooden sash windows up to the high standard and stunning looks that the windows in conservation areas deserve, by restoring historic windows, keeping historic glass, replicating the original design and using high standard timber.
Repairs & Maintenance
Sash windows are made in such a way that they can be easily dismantled for repair or for replacing broken sash cords.
From a broken sash cord to a frame that’s stuck with paint, we’ll be delighted to help - and we can fix just about anything to do with windows.
Sash windows hardware
Sash window hardware plays a very important part in the overall finish of a sliding sash windows. Most importantly the correctly fitted sash window hardware leaves the sash window fully secure and looking elegant. Locks, handles, levers and hinges - we can supply and fit reproduction hardware to suit the style of your sash windows.
Grant aided works
Grants are sometimes available for restoration and other work. We’re experienced in working on grant aided projects and can provide advice.
Stained & leaded glass
We can repair and re-fit original stained and leaded glass, or bring in specialists to reproduce a particular pattern or style for you.
In order to offer a complete start to finish service we are happy to provide an interior and exterior sash and case window painting service taking your new windows or refurbished windows to a decorated finish. We will carry out internal painting and external painting for a perfect finish look and up to your colours requirements making sure that the windows will not be painted over and all the new elements fitted by us will not be covered by paint.
Bespoke Entrance Doors
In addition to window restoration, we also do the full range of other joinery work both domestic and commercial like made to measure specifically for the requirements of you and your home Entrance Doors.
Glazing options include stained glass designs and etched glass effects for house numbers and names.
Replacement of broken glass and missing putty.
Easy clean system
Easy clean systems allows upstairs windows to be swung inwards to allow safe cleaning of the outsides.
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     "Matthew Paszenda has been working on the renovation of the windows of our home. The property is over 100 years old and the sash windows were in a bad state of repair. Matthew is a very skilled restoration specialist and has achieved great results with the 15 sash and case sash windows he was asked to repair. We also so delighted with how he transformed the appearance of them. His workmanship is exemplary. Matthew is punctual and trustworthy. We found him to be hard working and tidy. We would not hesitate to recommend MWM Matt Window Mate."

Mr & Mrs Anderson, Glasgow

Georgian-Style Sash Windows
A bright new outlook
Sash window repair and restoration, Glasgow
Tall sash windows in deep blue
Bespoke Entrance Doors
Timber double-glazed windows
Double-glazed timber windows
Stained and leaded glass
Sash windows hardware
Replacement of sash windows Glasgow
Draught proofing sash windows
Mastic pointing for sash windows
The installation of double glazing
A picture is worth a 1000 words
Sash windows repair in Glasgow
Sash Windows

MWM Matt Window Mate

Matthew Paszenda


Professional Wooden Sash Window Renovation & Restoration Specialist

Mobile: +44(0)7907565602


Location: Glasgow South, Scotland

VAT Registration No: 194006908

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© 2020 MWM Matt Window Mate

All photography on this site shows genuine projects undertaken and completed by MWM. Images are reproduced with the kind permission of our clients.