Walnut Internal Doors

Walnut internal doors bring a rich, dark grain and a warm, luxurious feel to any room. Our walnut doors are built with a real walnut veneer over a stable engineered core, keeping the beauty of walnut while staying straight indoors. Choose flush, panelled or glazed designs, most supplied prefinished and ready to hang. Browse walnut internal doors and buy online with fast UK delivery.

Rated 4.7 out of 5 by verified eKomi customers, delivered nationwide in 3 to 5 days, with a price promise that beats any genuine quote.

Why Buy Walnut Internal Doors from Emerald Doors?

Rich, Dark Grain

Walnut has a deep, warm brown tone and striking grain that instantly adds a premium, elegant feel to a room.

Real Walnut Veneer, Engineered Core

Our walnut doors use a genuine walnut veneer over an engineered core, keeping the luxury look while resisting the warping that affects solid timber indoors.

Prefinished and Ready to Hang

Most walnut doors arrive prefinished with a protective lacquer, so they are ready to hang and need no oiling or painting on site.

Flush, Panelled and Glazed

Choose clean flush doors, classic panelled designs, or walnut doors with glass to bring light into hallways and darker rooms.

A Luxury Statement

Dark walnut works beautifully as a feature against lighter walls and floors, and pairs well with both modern and traditional interiors.

10 Year Guarantee

Every walnut internal door is backed by our conditional 10-year guarantee against faulty materials or workmanship.

FAQ About Walnut Internal Doors

Are your walnut internal doors solid walnut?

Our walnut internal doors use a real walnut veneer over an engineered core rather than solid walnut throughout. This keeps the rich look of walnut while staying far more stable, as solid walnut is costly and can move in a centrally heated home.

Do walnut doors come prefinished or unfinished?

Most of our walnut doors arrive prefinished with a protective lacquer, ready to hang. This suits walnut well, as the factory finish protects and deepens the natural grain. Check each product to confirm how it is supplied.

Are walnut internal doors available with glass?

Yes. Several walnut doors come with clear or frosted glass panels, ideal for hallways, landings and rooms that need more light. See our internal glazed doors for the full glazed range.

What styles do walnut doors come in?

Walnut doors come in flush, panelled and contemporary designs, some with inlaid detailing, plus glazed versions. The dark grain suits both modern and classic interiors.

How do I care for walnut internal doors?

Prefinished walnut needs little upkeep, just an occasional wipe with a soft, dry cloth. Avoid harsh cleaners, and use pads where the door might be knocked, to protect the lacquer.

Does walnut fade over time?

Walnut can mellow and lighten slightly with strong sunlight over the years, which is normal for natural timber. A lacquered finish with UV resistance helps slow this, and keeping doors out of harsh direct sun helps too.

Are walnut doors available as fire doors?

Yes. Many walnut designs are available as FD30 fire-rated versions, certified to BWF Certifire or BS 476 Part 22, for rooms where building regulations require a fire door.

What sizes do walnut internal doors come in, and can they be made to measure?

We stock common UK standard sizes such as 1981mm x 762mm, and make walnut doors to measure for non-standard openings. Most doors can be trimmed slightly for a precise fit.