Bespoke timber windows
Windows crafted to last
Manufactured to exact specifications using sustainably sourced modern Accoya® timber, our bespoke windows are made and installed across Oxfordshire, Berkshire and Buckinghamshire.
Timber windows made properly
At Kirkman Joinery, we design and manufacture bespoke timber windows for homeowners who care about quality, longevity and detail. Based in Wallingford, we work locally within a 35-mile radius, offering a personal service from survey through to installation.
Our range includes heritage casement windows, traditional and high-performance flush casements, and beautifully balanced sliding sash windows. Every timber window is made in-house using FSC-certified Accoya®, laminated oak, and hardwood, delivering strong thermal efficiency and helping to lower energy bills.
Why choose Kirkman Joinery
High-quality bespoke timber windows combining sustainable materials, traditional craftsmanship and long-lasting modern performance.
Sustainably sourced timber
FSC-certified Accoya® with a proven low carbon footprint and long service life.
Fully bespoke designs
Every bespoke timber window is made to exact specifications, from glazing choice to mouldings and hardware.
Traditional joinery methods
Crafted in-house using time-served techniques and independently tested to ensure consistent quality.
Modern thermal performance
Excellent thermal efficiency with double glazing, Slimlite units or triple glazing options.
Low maintenance finishes
Exterior-grade coatings with up to 8 years of protection and minimal upkeep.
Long-term peace of mind
30-year preservative guarantee, 8-year coating guarantee and 10-year product guarantee.
Browse our range of window styles
- Heritage (casement) Window
- Traditional
- Sliding Sash
- Listed Buildings
Heritage casement windows
Casement windows are the UK’s most popular window style, loved for their simple design and versatility. Traditionally side-hinged and opening outwards, heritage casement windows (sometimes called stormproof windows) suit period properties while meeting and exceeding modern building regulations for energy efficiency and weather performance.
- Slim sightlines and traditional proportions
- Excellent thermal and acoustic performance
- Ideal for Victorian homes and conservation areas
Traditional flush casement windows
Flush casement windows are growing in popularity, sitting level with the frame to create a clean, balanced appearance rooted in traditional craftsmanship. They prioritise aesthetic appeal without compromising on leading timber window performance. Thanks to advanced modern materials and finishes, concerns around insect damage, peeling or warping are not an issue across our range.
- Authentic detailing for period homes
- Strong weather performance with modern seals
- Timeless appeal and natural warmth from timber
Sliding sash windows
Sliding sash windows open vertically using counterbalanced mechanisms, offering elegant ventilation and symmetry. Our wooden sash windows retain classic proportions while delivering excellent thermal efficiency through modern glazing and draught-proofing.
- Suitable for period properties and new builds
- Smooth operation with a full choice of hardware
- Wooden sash window designs with double & triple glazing or Slimlite units
Windows for listed buildings
Our bespoke Accoya® timber windows are made to measure, making them ideal for listed buildings and sensitive architectural settings. We carefully match existing sightlines and details such as colour while improving thermal performance and security.
- Astragal bars, Georgian bars and custom moulds
- Double and triple glazing, as well as Slimlite options to lower bills
- Experience working within conservation areas
Get Inspired
Timber as a modern material
Why timber still makes sense
Modern timber windows are nothing like older softwood designs. Our Accoya® timber leads the way for durability, whilst being dimensionally stable and naturally insulating, offering warmth, strength and long-term performance with minimal maintenance.
- Renewable resource with low environmental impact
- Natural insulator that helps reduce energy bills
- Proven durability with proper maintenance
Made to measure, made personal
Windows built around your home
Every bespoke timber window is designed around your home’s architectural style, whether replacing existing uPVC windows or specifying new timber windows for a new build. Sizes, shapes, glazing, stain finishes and colours are all tailored to you, from alpine white to deep black and heritage tones.
We are a small, experienced team who value face-to-face service. There are no salesmen and no pressure, just honest advice from joiners who care about the final result and have decades of experience delivering exceptional results locally.
Helpful answers before you decide
Clear information helps homeowners make confident decisions. Below are answers to common questions about our bespoke timber windows and how we work.
No. Modern timber windows use advanced coatings that resist cracking and mould. With simple cleaning and occasional checks, they offer minimal maintenance and long-term peace of mind.
Yes. Our timber window design delivers excellent thermal performance with double glazing or triple glazing, helping reduce heat loss, energy consumption and ongoing energy bills.
Yes. Timber windows are often preferred in conservation areas due to the natural beauty of wood, traditional proportions and ability to meet specific requirements set by local authorities.
We use FSC-certified Accoya® timber supplied by Latham Timber, whose products are over 90% sustainably certified, supporting responsible forestry and a reduced carbon footprint.
With quality materials, traditional craftsmanship and proper maintenance, timber windows are a worthwhile investment designed to last for decades, often 50+ years.
Need more information?
Our friendly team will be able to assist with any queries that haven't been answered above!
Contact UsDownloads
Our free brochures provide you with all you need to know about our timber range.
Our finest timber transformations
In need of inspiration? Our case studies showcase some of our recent local projects!
The Thatched Cottage – Aylesbury
The original windows and entrance door were removed and replaced with bespoke timber alternatives which were designed and manufactured at our factory in High Wycombe. The property is now benefitting...
Red Lion Cottage – Sympathetic timber window & door replacement in Grade II Listed cottage in Amersham
We were recently contacted by the owners of Red Lion Cottage in Amersham, Buckinghamshire to undertake some renovation work at their home. The property is a Grade II Listed Building,...
All Saints Church – High Wycombe
All Saints Church High Wycombe Based in High Wycombe, Kirkman Joinery are experienced joinery installers, having completed a huge range of projects across Buckinghamshire and the surrounding areas. We were contacted...
“Martin replaced 16 windows and 2 doors in our house. Martin is a very easy to get on with and very helpful. The windows and doors are a work of art, they look gorgeous. I would recommend Kirkman Joinery to anyone.”
StottyPl4yz
“Kirkman Joinery has just replaced our front door with a beautiful bespoke oak door with sidelights . The door was fitted in a day with exceptional attention to detail. Communication, advice and tidiness were first class. I would not hesitate to recommend Martin and his team.
Thank you for your excellent craftsmanship.”
Sarah King
“Delighted with our new front door! A great service and excellent product delivered by Kirkman Joinery. Martin is a perfectionist, who will go above and beyond to make sure the job is done right. We would highly recommend!”
Jeremy Hallsworth
“Martin and his team supplied and fitted a front door, garage doors and sash window for me. The quality is exceptional and the process was smooth all the way through. The materials are top notch and the traditional design is perfect for our period house. I would have no hesitation using them again and the pricing is much more competitive than their bigger brand rivals.”
John Nystrom
“Martin and Kirkman team are all fantastic. They did a wonderful job of helping us design, create and install new upstairs french doors with made Juliette balconies to suit the style of the house. We couldn’t be happier with the results”
Sophie Maxwell
“We are absolutely delighted with our bespoke windows and patio doors. Kirkman Joinery couldn’t have been more helpful and professional from the quotation, through to the finished products and are a pleasure to have around. We will use them in future for all window/door replacements and thoroughly recommend them.”
Denis Campbell