Cottage Doors
We stock a huge range of cottage style internal doors with characterful lines, including the ever popular Mexicano and Belize designs, available in a variety of natural oak and pre-finished styles.
Oak Doors
We offer traditional, designer, and modern style oak internal doors in a wide variety of designs, including natural finishes, thicknesses and fire ratings to suit every taste and requirement for your home’s unique interior style.
Modern Doors
Defined by clean lines and minimalist detailing, our modern doors includes everything from industrial slimline black frames to fully glazed panels that bring a sense of space to any interior.
Panelled Doors
Offering a timeless look for any home, Available in both traditional raised moulding and clean–lined shaker styles, these doors are a versatile choice for both period properties and new builds.
Grain & Bolt is a specialist supplier of premium internal doors and ironmongery.
Based in Newcastle upon Tyne, serving homeowners across the North East, we use our hands‑on experience to support customers locally through our supply‑and‑fit service, and nationwide through our online store – always with the same commitment to accuracy, transparency, and dependable service.
We work closely with trusted manufacturers, joiners, and installation partners to ensure a smooth experience from initial enquiry through to fitting. Whether you know exactly what you need or you’re still exploring options, we help you make informed decisions with clear explanations, honest advice, and no unnecessary complexity.
At Grain & Bolt, we believe good joinery should feel effortless – engineered properly, delivered professionally, and built to last.
Best Sellers
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Belize Oak Door Unfinished
From £85.50 (inc VAT) -
Oak Carini 7P Unfinished
From £89.93 (inc VAT) -
Oak Lincoln Unfinshed
From £128.25 (inc VAT)
Top quality internal doors at trade prices from one of the leading experts.
10 Year Guarantee
Buy safe in the knowledge that all our doors come with a 10 year guarantee as standard.
3-7 Working Day Delivery*
With stock available to ship, we can deliver within 3-7 working days. *Exceptions apply.
Premium Door Builds
All Grain and Bolt doors feature solid cores and significant timber lipping for that quality feel
All prices include VAT
With no hidden add-ons, all our prices on screen include VAT for peace of mind.
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Finding the Perfect Match: A Guide to Internal Door Styles
Choosing a new set of internal doors is one of the most rewarding upgrades you can make to your home. Beyond simply closing off a room, the right door acts as a piece of architectural furniture—it can brighten a dark hallway, dampen noise, and tie your entire interior design together. At Grain and Bolt, we […]
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The Grain and Bolt Guide to Fitting Internal Door Handles
Upgrading your door hardware is one of the most effective ways to refresh your interior. Whether you are moving from a classic brass look to a modern matte black, or fitting handles to a brand-new Grain and Bolt door, the process is straightforward if you focus on precision and alignment. Taking your time ensures the […]
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Keeping Your Doors Perfect: A Simple Guide to Common Fixes
Your internal doors are some of the most-touched items in your home. Over time, even the best-crafted door might need a little “fine-tuning” due to seasonal changes in humidity or just the natural settling of your house. The good news? Most common door niggles are easy to fix yourself with a few minutes and some […]
