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High-quality and energy-efficient classic timber casement windows for your home

Our timber casement windows are crafted from the finest quality, sustainably sourced timber and are designed to offer unmatched levels of style, energy efficiency, durability, and security.

Casement windows are a versatile and popular choice for many homes across the UK, as they can be hinged at the side or along the top. They can also be customised with styles, colours, and glazing options to suit your style and needs.

Our timber casement windows are energy-efficient and highly secure: they offer A-rated thermal performance as stand and are tested to PAS 24 security levels.

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White timber casement window

Casement Window Features & Benefits

Draughtproof and tested to withstand the harshest weather conditions

Made from sustainably sourced high-quality timber

Flush sash or stormproof casement styles are available

Available in a wide range of colours and finishes

Authentic astragal bars are available in a range of widths and styles

Excellent acoustic performance as standard, with options to further enhance noise reduction.

Highly secure and tested to stringent PAS 24 security standards for added peace of mind

A-rated for thermal performance as standard, with high-performance double glazing options


Choose from several colour options for your timber casement windows.

Wooden casement windows are a classic and elegant choice for any home. But did you know that you can also customise the colour of your timber windows to suit your personal taste and design preferences? At Lindenwood Home, we offer a wide selection of colours for our range of timber windows, from traditional white and cream to more contemporary shades like grey and green, plus, of course, a selection of beautiful natural timber finishes too.

Grandis hardwood
European oak
Engineered redwood
Traffic white
Pure white
Pebble grey
Pastel turquoise
Pale green
Oyster white
Night blue
Mint turquoise
Light ivory
Jet black
Cream colour

What our customers are saying

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We are happy to highly recommend Timber Windows UK, being delighted with their replacement of all of the ancient, and in places rotting, windows in our 19th century Lincolnshire house. The quality of the windows plus the high level joinery skills of the TW craftsmen resulted in a brilliant installation.

Sally Harrison
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Timber Windows UK have replaced 7 of our windows over the last few years. Each time the experience has been outstanding. The team is highly knowledgeable about the latest and greatest technology regarding the windows, are very professional and very pleasant.

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The marriage of precision engineering and old-fashioned craftsmanship was a joy to witness – and the beauty and comfort of our home has been greatly enhanced.

Daniel & Anna, Dulwich
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Work carried out to the highest professional standard, the new windows have transformed our house.

David Shanks
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We have had 8 Victorian wood sash windows replaced on The Old Rectory. Duncan and his team have been fantastic. Friendly, Adaptable, On time, cleaned up after themselves and the quality and workmanship has been excellent!

Mark Hutchings

Timber windows for the East of England

For over 30 years, we’ve been serving homes across the East of England with the highest performing timber windows and doors, combined with excellent customer service. We have a wealth of knowledge when it comes to traditional and modern wooden windows, meaning you can trust that your next home improvement is in the best hands.
We have three locations available for you to come and see our high-quality products for yourself. Our Lincolnshire and Norfolk showrooms are open between 10:00am to 16:00pm Monday-to-Friday, with viewings strictly by appointment only. Our London showroom is open to visit between 10:00am to 16:00pm Monday-to-Friday and 09:00am to 16:00pm on Saturdays. Book your appointment today!

London ShowroomLincolnshire ShowroomNorfolk Showroom