Solid Oak Window Sills - Custom Sizes
At Celtic Timber, sustainability is at the heart of everything we do. We source our timber from FSC and PEFC certified forests, ensuring responsible management and protection of natural resources.
We also actively contribute to reforestation and rewilding projects across the UK, planting over 12,000 trees on our own land. By choosing our products, you’re supporting a company dedicated to reducing environmental impact and preserving the planet for future generations.
At Celtic Timber, sustainability is at the heart of everything we do. We source our timber from FSC and PEFC certified forests, ensuring responsible management and protection of natural resources.
We also actively contribute to reforestation and rewilding projects across the UK, planting over 12,000 trees on our own land. By choosing our products, you’re supporting a company dedicated to reducing environmental impact and preserving the planet for future generations.
We offer a hassle-free 30-day returns policy for all non-bespoke items. If your product arrives damaged or incorrect, contact us immediately, and we'll arrange a replacement or discuss compensation.
To qualify for a refund or replacement, notify us within 30 days of receipt, and ensure the item is returned unused, in its original packaging.
Please note, return shipping costs are the customer's responsibility, except in cases of damage or error on our part.
We offer a hassle-free 30-day returns policy for all non-bespoke items. If your product arrives damaged or incorrect, contact us immediately, and we'll arrange a replacement or discuss compensation.
To qualify for a refund or replacement, notify us within 30 days of receipt, and ensure the item is returned unused, in its original packaging.
Please note, return shipping costs are the customer's responsibility, except in cases of damage or error on our part.
Free mainland delivery. Please message us if you live in a highland/island area for accurate pricing.
Current lead time – Allow up to 2-3 weeks.
For large orders there may be a longer lead time, please get in touch with us prior to ordering for a more accurate timescale.
- Bespoke Sized Solid oak window sills.
- Add style and character to any home or office.
- Kiln-dried/joinery grade oak boards. Planed and Sanded to a fine finish.
- Thicknesses are before planing and sanding - please expect to lose up to 8/9mm after this process. Please order the size above your requirement and specify in the 'Order Notes' if you need an exact size not listed above.
- Please Contact Us for widths over 600mm or any bespoke work.
Elegantly handcrafted solid oak window sills. Made from thick kiln-dried French oak and joined by our expert team.
We are able to cut bespoke oak window sills to the mm to fit any size alcove.
We join full-length solid oak boards to make the length of the window sill, rather than smaller pieces. This creates a more natural and beautiful finish.
It is important to
Important - Please note the following before purchasing;
As our oak sills are a natural product, each piece may be different in appearance and vary slightly in colour.
As this product is planed it can lose some of its thickness, please state if you require an exact size. If you are looking for a custom thickness for your window sill, please order the size above what you require and specify your chosen size in the 'Order Notes' section of the checkout. We will ensure that it is planed to your specific required dimensions.
Make sure that the weight is properly supported and the boards are fixed correctly close to the delivery date to ensure that they do not bend or twist.
Looking for something bespoke?
Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur.