Pre-finished Walnut Internal Fire Doors

Combine the rich, distinctive appearance of walnut with essential fire protection with our collection of pre-finished walnut internal fire doors. Supplied with a durable factory-applied finish, these doors arrive ready to install without the need for sanding, staining or varnishing, helping you achieve a consistent, high-quality finish with less work on site.

Choose from a range of modern and contemporary walnut fire door designs from trusted brands LPD, Deanta, JB Kind and PM Mendes, including sleek flush styles, glazed options and statement designs that showcase the deep tones and natural grain of walnut. Individual fire ratings and certification are shown on the relevant product pages.

Ideal for renovations, new builds and larger developments, our pre-finished walnut fire doors combine safety, durability and premium interior styling. Selected doors are available with free fire-rated hinges or 5% off when you buy 3 or more, helping you save on larger projects.

Pair your new fire doors with our range of door handles, fire-rated hinges, latches and locks to complete your installation, and shop online today with fast UK delivery available.