Bespoke Timber Windows
Timber Sash & Flush Casement Windows
Bespoke timber sash and flush casement windows – designed, manufactured, and installed by Wealden Joinery Ltd, established craftsmen since the 1990s.
Sussex, Kent & the South East – Sevenoaks, Brighton, Eastbourne, Tunbridge Wells and surrounding areas.
"The new window looks great and was fitted rapidly and professionally. Dealing with Wealden Joinery was a pleasure as they are responsive and do what they say they're going to do - a rare thing these days!"
Gaye Jee • Nov 2025
Timber Windows Hero
Is Lignum right for your project?
We specialise in bespoke, made-to-measure timber windows for period homes, heritage properties, and architect-led projects.
We manufacture bespoke timber only – not uPVC or off-the-shelf sizes.
Not sure if we're a fit?
Send us your postcode and project details – we'll let you know if we can help and suggest next steps.
Trusted craftsmanship
Heritage confidence with modern performance
We specialise in timber windows for listed buildings, conservation areas, and architect-led homes. Every project includes detailed surveying, specification guidance, and a dedicated install team.
Reviews
Verified customer feedback from recent timber window projects.
Very pleased with our new French windows and kitchen door and window; it was so good to be able to have real wood as opposed to uPVC and the talented fitters - Dean and Charley - were friendly and very careful workers. Every thing was delivered and fitted on time as arranged. Many thanks to Martin and the team, we highly recommend this local joinery firm.
— Sarah H.
Super work carried out by thoughtful and efficient staff. The new porch entrance has transformed the look of the house from the outside and greatly improved the warmth and reduced traffic noise inside. The new bay windows were a big financial consideration and as we were replacing the existing windows with the same style we were unsure we would see any real difference. However, the results were worth every penny because the rooms are now brighter, quieter and warmer. Thank you for a great job well done.
— James R.
The new window looks great and was fitted rapidly and professionally. Dealing with Wealden Joinery was a pleasure as they are responsive and do what they say they're going to do - a rare thing these days!
— Claire M.
Sash Windows
Timber Sash Windows
Traditional box sash or spring balance profiles, matched to heritage detailing with slimline or vacuum glazing options.
- • Conservation-friendly sightlines
- • Acoustic and thermal upgrades
- • Optional decorative glazing bars
Timber Sash Windows
Flush Casement Windows
Casement
Timber Casement / Flush Casement
Clean, flush profiles for contemporary builds or refined period projects. Highly efficient, secure, and engineered for longevity.
- • PAS 24 security hardware
- • Double or vacuum glazing
- • Factory-applied paint finishes
Why timber?
Why timber?
Timber delivers unmatched aesthetics, repairability, and low embodied carbon. With modern coatings and glazing, it performs at today’s standards while remaining true to heritage architecture.
- • Excellent thermal efficiency
- • Long service life with maintenance
- • Naturally repairable
- • Sustainable, renewable material
Timber detail
Timber Doors
Also available
Timber Doors
Complete the façade with matching timber doors, including front doors, bi-folds, and heritage designs.
Crafted by Wealden Joinery
Made by Wealden Joinery Ltd
Every Lignum window is designed and manufactured by Wealden Joinery Ltd and our Joinery Network. Our workshops in Rotherfield, East Sussex were established in the 1990s, we've spent over 30 years perfecting the craft of bespoke timber windows and doors.
Our team of skilled craftsmen combine traditional joinery techniques with modern engineering to create windows that honour heritage architecture while delivering contemporary performance.
From initial survey to final installation, your project is handled entirely by our dedicated teams – no subcontractors, no middlemen.
Wealden Joinery Workshop
Visit our workshop
Where to find us
Our manufacturing headquarters is in Rotherfield, near Crowborough in East Sussex. We welcome visitors to see our workshop and discuss your project in person.
Wealden Joinery Headquarters
Unit 1 Lews Farm
Sherrifs Lane
Rotherfield, East Sussex
TN6 3JE
Tel: 01892 852544
Hours: Mon-Fri 8am-5pm, Sat 9am-2pm
Service areas
- ✓ Sussex & Kent
- ✓ Surrey & South London
- ✓ Home Counties
- + Select projects UK-wide
Not sure if we cover your area? Add your postcode to the form.
Ready to discuss your project?
Get a Quote
Request your timber windows quote
Share a few details and we'll respond with next steps, timings, and a tailored quotation.
FAQ
Timber windows FAQs
How much do timber windows cost?
Costs vary by size, glazing choice, and detailing. We provide an itemised quote after a survey so you can compare options clearly.
What are typical lead times?
Most projects are manufactured in 8–12 weeks after survey and specification sign-off. We confirm lead times in writing with your quote.
Do I need planning or conservation approval?
Listed buildings and conservation areas may require consent. We advise on suitable profiles and glazing to maximise approval success.
How often do timber windows need repainting?
Factory-applied microporous finishes typically last 8–10 years before a light recoat, depending on exposure.
Do you offer Accoya timber?
Yes. Accoya® is highly stable, sustainably sourced, and backed by a 50-year warranty against rot.
Can you use slim or vacuum glazing?
Yes. Slimline and vacuum glazing can achieve modern thermal performance while preserving heritage sightlines.
Are your windows secure?
We specify multi-point locking and hardware to meet PAS 24 when required. Security is built into the design.
What does the installation process involve?
We survey, manufacture, and install with dedicated teams. Your project manager coordinates access, protection, and aftercare.
Can you match existing profiles and glazing bars?
Yes. We survey existing details and reproduce profiles to maintain the character of the property.
Ready to start?
Let’s plan your timber windows
Speak with our team about design options, performance upgrades, and timelines.