25mm Round Window Sill

Availability: In stock

Your Round Window Sills will be dispatched between and (+1 day if choosing our waxed finish option) with free next day delivery.

*NEW* 'Priority' option now available during checkout for faster dispatch.

Solid oak round-edged window boards, expertly crafted in our UK workshop and available in any length, width and choice of thicknesses. Full-round and half-round options available.

  • Your sill arrives sanded, ready to fit and finish
  • We can trim your sills to the length and width you need
  • High quality, seasoned oak for excellent longevity
  • Order lengths in increments of 0.3m to save on costly wood waste
including VAT & free delivery
Shopify secure badge

Technical Specs

Read all about the specifications of our round edge window boards, including available finishes, sizes and optional extras.

Window Board

0.6-2.4 metres (2-8 feet)
200-300mm, wider on request
Solid Oak
Unfinished, sanded

Optional Extras

Cut to Size
Our oak window boards can be trimmed to your exact dimensions free of charge
Profiled Returns
Select whether you would like the same profile on the left, right, or left and right edge of your window board

Oak Species

American White Oak (Quercus Alba)

Key Features

We pride ourselves on machining and supplying some of the best oak window sills that money can buy. Here are a few of the features that make your buying decision a whole lot easier.

We'll do the hard work

We go the extra mile to make sure that your oak window board is not only machined well, but sanded ready for you (or us) to wax, oil or varnish.

Trimming option

Don't want to trim the oak sill yourself? No problem, we offer a free 'trimming' option so that you can order the exact size sill you need.

Kiln dried solid oak

We only use the very best kiln dried solid Oak, which demonstrates beautiful grain detail, colour, and is made to last.

No costly waste

No need to order overly long or wide oak window boards. Our length options increase by 0.3m and width by 25mm so you can choose the most suitable size.


We understand you might have a few questions you'd like answering before ordering. Here we list a few of the most common one's, though you're welcome to contact us should you have something else to ask.

Would you trim the sills for me?

Yes we can. Use the size options to select the next size up to the dimensions you need and then enter the sizes you’d like the window boards trimmed to in the 'Trimmed to size' section of the ordering form above.

I guess the sills are heavy, is delivery expensive?

Solid oak is quite heavy but we’ve made it easy to understand delivery costs by providing all of our products with free delivery. The price you see on the product page is the exact price you’ll pay, no hidden costs added during the checkout.

Are the window sills smooth?

Yes, not only do we machine your window sill precisely, we also sand them before delivery so that you receive a high quality sill that’s smooth and free of any blemishes.

Customer Reviews

All of our reviews are by 100% verified customers.

Based on 3 reviews Write a review

Customer Reviews

Based on 31 reviews
Max (Sutton Coldfield)

Great product and service. Even advised an the most suitable finish. Recommended.

I’m pleased I could help Max. Great to know that you’re happy with your window board.

Marianna Kunna (Chichester)
Beautiful Oak Sills

We ordered some rounded oak sills to finish off our kitchen. We were really pleased with the order process and delivery of the well packaged sill. We finished the sills off with Osmo oil and they look fantastic!

Thanks for the review and excellent feedback Marianna. Your window boards look great now fitted and finished and I’m really pleased that you like them :)

David Mansfield (Rayleigh)
Top Quality

Quick turnaround and delivery. Well packed and superb quality. Thank you

Thank you David, great to hear :)

Rob (Hove)
Beautiful wood

I am SO impressed with the 4 window sills I bought from here. Beautifully made, cut and a super quick service. Just brilliant! Why can’t every site be this good!

Thanks for the great review Rob. I'm really pleased that you like your oak window boards. Let me know if and when you ever need anything else.

Philip Scott (Chelsea)
Excellent product and service

Great product. Well packaged. Quick delivery. Excellent.

Thank you Philip, that's great to hear. Let me know should you ever need anything else.

Sarah Dowding (Andover)
Wonderful wood

Superb service and excellent piece of wood.

Thank you Sarah, I'm glad you're happy with your sill.

You Might Also Like