Oak Window Board

Solid Oak Window Boards & Window Sills

Premium Solid Oak Window Sill with Smooth Bullnose Profile

Bring the natural warmth and character of solid oak into your interior with a beautifully crafted oak window board. Available in European or American Oak and finished with a smooth bullnose edge, it provides a refined and durable finish for window sills, cills and other interior applications.

The rounded front edge creates a clean, traditional appearance, while the natural grain and warm tones of the oak make each piece unique. Available in a choice of widths and lengths, these solid oak window boards can be selected to suit a wide range of interior projects.

Key Features

• Solid Oak Construction – crafted from high-quality solid oak for a durable, long-lasting finish.
• Smooth Bullnose Front Edge – a softly rounded profile that creates a clean and refined appearance.
• Ideal for Window Boards, Sills & Cills – suitable for a range of internal window applications.
• Planed & Ready to Finish – supplied smooth and ready for oil, wax or varnish.
• Precision Machined – manufactured for consistent dimensions and straightforward fitting.
• Kiln-Dried Oak – prepared for stability and reliable use in interior joinery projects.

 

Product Specifications

• Material: European Oak or American Oak
• Edge Profile: Smooth bullnose front edge
• Thickness: 20mm
• Available Widths: 215mm, 240mm and 265mm
• Lengths: Available in a range of lengths, with set lengths available on request
• Finish: Smooth planed surface, ready for oil, wax or varnish
• Condition: Kiln-dried for interior use

Crafted for Quality and Longevity

Each solid oak window board is precision-machined to create a smooth, consistent finish and a clean bullnose front edge. The natural grain and character of the oak remain visible throughout, giving every board a distinctive appearance. Designed for long-term interior use, the boards are kiln-dried for improved stability and can be finished with oil, wax or varnish to suit the surrounding décor. With proper care, solid oak provides a durable and timeless finish for window sills and other interior joinery applications.

Elegant and Versatile Design

The smooth bullnose edge gives each oak window board a softly rounded profile, creating a clean and refined finish around the window opening. Its natural grain and warm oak tones work well across both contemporary and traditional interiors. These solid oak window sills can also be coordinated with matching oak skirting boards, architraves and other interior joinery for a consistent finish throughout the room. Their generous depth also makes them suitable for use as a practical display ledge where required.

Easy to Finish and Adapt

Supplied with a smooth planed surface, these solid oak window boards are ready to be finished with oil, wax or varnish to suit the surrounding interior.

They can also be cut and adjusted on site to suit individual window openings and project requirements. Once fitted and finished, the oak creates a clean, natural-looking window sill with the durability expected from solid hardwood.

Responsibly Sourced Oak

Hardwoods Group is committed to supplying quality timber from responsible sources. FSC® and PEFC-certified products are available on request, helping customers choose timber that meets recognised responsible forestry standards. Available in European or American Oak, these solid oak window boards provide a durable, long-lasting option for interior joinery projects.  

The Perfect Finishing Touch

A solid oak window board provides a natural finishing detail around internal window openings, combining the character of real wood with a clean, durable surface. With a smooth bullnose edge and a choice of European or American Oak, each board can be finished to complement both traditional and contemporary interiors.

For a coordinated interior, explore our oak cladding and wall panelling or browse our wider range of solid oak joinery products.

Looking for larger structural oak products? Visit Vestra Oak to explore bespoke oak porches, trusses, garages and other structural oak solutions.