Sash Windows Logo

The Very Best Sash Windows

Our Bygone Collection is our flagship range of Sash Windows, featuring the most exacting detail, innovative elements, and a perfect finish to ensure you fit the very best sash windows you can to your home or building. The collection is only installed by our Master Installers, specially selected to provide the quality of installation you deserve.

A Symphony Sash Windows logo

When it absolutely must look like timber, either because the planning officer is insisting or simply when only the very best will do, there is only one choice.

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Bygone Symphony Collection Logo

The most versatile window in the range; Harmony has numerous optional extras available for individual customisation, or to simply tailor your windows to a budget.

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A Melody Sash Windows logo

With the same frame and sash profiles found on Harmony and Symphony, the Melody sash window offers outstanding value.


Timberweld Logo

A product that incorporates Timberweld® technology is beautiful and authentic and looks every bit like a timber original that has been produced by a master craftsman.


Installed by Master Craftsmen

Our installers are fully trained and chosen for their skills in delivering a quality installation. If you would like to find out more about our Master Installers please click here.


Contact our Bygone Brand Expert John Samuels

Who will connect you to your closest approved installer and assist you with your enquiry by answering any questions you might have about our products before you are re-directed. Our showrooms are open Monday – Thursday 8:30am – 5:00pm, Friday 8:30am – 4:30pm and Saturday by appointment. Alternatively you can contacted us by phone on 01376 510410, via our virtual showroom tour or by completing our online contact form.

Find out why you should choose Masterframe Sash Windows.

Find your Local

Our MASTER INSTALLERS are a team of specially training craftsmen, chosen to deliver a quality installation of your Masterframe windows.

Classic Collection

Robust, Authentic, Quality products with BBA accreditation, competitive prices in a wide range of colours, shapes, arches and designs to meet your every requirement. Bespoke solutions, built on over 30 years of design experience.

Vintage Sash Windows Logo

Designed for clients who appreciate authentic features and detailing like patented Timberweld® butt joint construction, exclusive staff bead outerframe design, deep bottom rail and integral mullion on multi-light windows. Vintage Windows are a conservation officer’s dream.

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Heritage Sash Windows Logo

Heritage Windows come standard with a host of authentic and exclusive features including patented Timberweld® technology and Secured by Design as standard. This low maintenance timber alternative window will blends into the most contemporary of settings.

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Authentic Sash Windows Logo

Authentic Windows come with authentic features such as original putty line details, traditional patented Timberweld® butt jointed corners, deep bottom rail, run through horns and a white wood foil finish as standard. This window will make any home look beautiful.

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Help & Advice

Loving sash windows as we do, we hope that you’ll appreciate the time that’s been devoted to ensuring our styles are as authentic as possible. We found our niche and decided to stick to what we do best, making one product and one product only – stunning sash windows.

Case Studies

Please feel free to take a look at our case studies to see examples of our previous work. For more information, please get in touch.