Internal walnut doors make a bold statement wherever they are used. Rich and warm or stylish and sleek, walnut is a beautiful, versatile finish that we offer in various designs. Whether you are looking for a traditional look, or cool, more minimalist decor, we’re sure our walnut range will inspire you. All our walnut doors are pre-finished and are 35mm thick, except for metric which are 40mm. Fire doors are 44mm thick. Check out our range here.