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Timber Casement Windows  and Wood Double Glazed Windows

Discover quality timber casement windows and wood double glazed windows in London with London Joinery Services.

Why Choose Timber Casement Windows?

Casement windows are some of the oldest types of windows present in the UK. Our affordable timber casement windows are precision crafted to fit perfectly.

All our timber casement windows are designed and custom-built in our London workshop to your exact specifications. As experts in casement windows for period, conservation and listed properties, we specialise in retaining the character of your property to the finest detail while optimising window performance.

All our replacement timber casement windows are individually manufactured in our workshops in North London. There are many different design configurations of wooden casement windows that we are proud to be able to replicate depending on your bespoke requirements. We also have a Classic range which was developed over many years and covers most period design requirements.



We'll Beat any sale price, Let's Prove it.

We're so confident of the value of our products that we offer a 'Price Promise'. Find the same quality product for less in our service area within 7 days and we'll beat the difference. The like for like quotation must be for a product that we are able to supply and must be of the same size, same design, and same quality.

​Simply let us know the competitor's name and product details (accompanied with a copy of the original quotation you have received) – we’ll then verify the price and, if the 'competitor’s service conditions are the same as ours, we’ll beat the price or refund the difference as appropria

London Joinery Services ltd,casement windows are hand crafted bespoke from sustainable timber and installed by our own professional Fensa member fitters.​

We can match any existing window style, both period and contemporary, providing Single, double & triple glazed and weather sealed casement windows with a range of hinging options.

  • Choice of the finest stable timbers including Accoya, Sapele and Oak

  • Range of mouldings, section sizes and glazing bars to match your existing windows

  • Specialist glazing options including acoustic glass, laminated security glass and slimline double glazing 
    that looks just like single glazing

  • High security fasteners, locks and restrictors 

  • Full factory spray finish with high performance microporous paint

  • Full perimeter draught proofing

  • Full design, supply and install service

Timber casement window styles include:

We are also able to replace casement sashes (the moving parts of the timber casement window) if the frames are in good condition or we can Repair & Restoration


When using our fitting services, and as members of the FENSA scheme both your deposit and warranty are independently insured with an insurance backed guarantee policy from The Independent Warranty Association (IWA), more details available on the IWA website. In addition to your FENSA certificate your new windows will also be registered with your local authority as legal and compliant with building regulations, this is vital if you ever decide to sell your property.​

All of our products are 'Made in Britain' from start to finish. Welcome to come to our workshop in North London at any time for checking the process of your order.


Unlike most windows companies, we fit seals into your new window as standard. Using sets of Q-Lon weatherproof seals offers optimal draft sealing, noise reduction, and allows your windows to slide smoothly eliminating sash rattle.

The first thing that most of our customers say is that they are amazed at how much quieter & warmer their home is since they have had their new windows installed, and how much it has improved their quality of life
storm-proof casement (lipped) windows are manufactured with the opening sash overlapping the frame which offers better performance against adverse weather conditions.


London Joinery Services offer a range of timber casement window styles depending on your property’s aesthetics and requirements. Every casement window is bespoke and made to measure. We can recreate your existing designs, angled bays and glazing patterns in modern thermally and acoustically efficient versions; allowing you to retain the period look of your home.

Where required, we can make your casement windows conform to listed building and conservation area requirements – using a combination of our slim heritage profiles and slimline double glazing.
Check out our conservation and listed building windows here.


Our experienced installation Fensa member teams will ensure that the work is carried out to the highest standards and with the utmost care and consideration for your home. Our installation service includes:

  • Internal protection from dust and dirt

  • Making good on both inside and outside walls to a ‘sanded and ready to paint

  • New external ‘mortar pointing’ around the outer edge

  • Disposal of old items.

  • Our fitters will take care to protect your property while they are working and will leave everything in a clean and tidy condition.


All our wooden casement windowsare manufactured to high standards from top quality materials and come complete with a comprehensive 10-year guarantee as standard. Check out our guarantees here.​We only use the highest quality slow grown Grade1 pine, meranti, European oak or Accoya™ for all windows and doors, the choice is yours. You can also choose from a range of glazing bars and beading, in both contemporary and traditional styles.

We'll Beat any sale price, Let's Prove it.


Timber Flush Casement

Flush Casement windows feature variations on bar thicknesses and dummy butt hinges to enhance the windows traditional character whilst using the most modern flush wood casement windows are designed with tradition in mind, by using the latest technologies we adhere to the highest thermal and acoustic performance criteria. The flush design is characterised by an opening sash that sits level with the frame. Externally, this gives a completely flush finish to the outer elevation of the window.

Typically found on period properties, openers sit within the window frame ensuring slimmer and equal site lines. high performance criteria in its design. The Traditional Flush Casement window is particularly suited to period properties such as listed buildings, farmhouses and barn conversions, especially those governed by conservation requirements.

Guaranteed for peace of mind

Our Accoya timber casement windows are guaranteed against rot and fungus for 30 years. The sealed unit is guaranteed against fog. 





0800 130 3003
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