526x2040x44mm White Flush Prefinished Internal Doors

Buy flush internal doors online today 

Searching for white interior doors? Complete any room with sleek and modern pre finished doors. Made from high quality materials, this elite door design can be hung as soon as it arrives or painted to suit your interior design style. 

You also have the ability to trim these doors more than any other stock door on the market without needing to re-lip the door. A great choice for a high-quality finish.

Whether you opt for the original brightening white or choose to personalise in a bespoke colour, enjoy the best in quality and durability with our newest flush white internal doors. Searching for similar designs? Shop oak flush doors from the same product drop. 

Sizing information

Our range of internal flush doors includes a number of different styles and sizes.

Choose between 12 Standard Sizes: 7 imperial (1981mm high and 35mm thick) and 5 metric (2040mm high and 40mm thick). With standard 35mm and 40mm doors, long edges are supplied with 28mm solid softwood lippings for up to 48mm of trimming in width (24mm either side). Short edges (top and bottom) are supplied with a 90mm trim zone for up to 160mm of trimming in height (80mm top and bottom) giving you ultimate flexibility to trim to meet your opening size. 

Need this design supplied as a fire door? Choose between 15 FD30 Sizes: 10 imperial (1981mm high) and 5 metric (2040mm high) – all 44mm thick. Long edges and short are supplied with 18mm solid softwood lippings for up to 24mm of trimming in width (12mm either side).

Contact our team for support and advice 

Browse contemporary designs at great prices and enjoy friendly customer service when you buy internal doors online. From home refreshes and renovations to professional developments, we’re here to help bring your internal door ideas to life. Call now to get started.

Explore the rest of the collection 

Take a look at our exclusive range, featuring internal white doors, charcoal grey doors, solid wood doors and glazed doors that help maximise natural light. Whether you're looking for standard doors, fire doors (or accessories such as hinges and handles) explore different styles designed to create a stylish and secure space. Order now for fast delivery and install easily.