Is a 610mm door too small?

Since 1989, George Herkes & Son Joinery has been hanging and fitting doors across East Lothian, and that length of time matters most when a door width raises questions a tape measure alone cannot answer. A door that swings, closes and clears a mattress or a wheelchair properly is a fitting job, not a guessing job, and it pays to have it done by people who have hung enough of them to know where the awkward ones hide.

George Herkes & Son Joinery has been fitting doors and joinery across East Lothian since 1989, and holds East Lothian Trading Standards Trusted Trader accreditation with a rating of 5.0 from 62 reviews under that scheme. Households asking about doorway widths get the same considered answer whether it is a cottage in Dunbar or a job as a door fitting company in Elphinstone, because the same family team handles the structural work and the finishing throughout.

Get in touch with George Herkes & Son Joinery for a free quote on door fitting anywhere in East Lothian, and settle the width question before any work begins.

Is a 610mm door too small?

A 610mm door is not too small by any building rule, but it’s tight by today’s usual standards. It’s a common width for cupboards, understair doors and older internal doors, and it’s fine for low-traffic spaces. For a main bedroom, bathroom or a door you’ll carry things through, most households find it narrow.

Deciding for your own house

The right width depends on what the door is for and who uses it. A store cupboard or airing cupboard at 610mm won’t bother anyone. A door you’ll wheel a pram, carry a hoover or move furniture through is a different matter, and that’s where the width starts to count.

Think about how the room’s actually used, not just how it looks on a plan. A downstairs toilet with a 610mm door is manageable if nobody needs a wheelchair through it. A main bedroom at that width feels cramped the moment you try to move a bed frame in. We’ve fitted doors across a wide range of properties, from tenement flats to farmhouses, and the width that works always comes down to the room behind it, not a fixed rule.

If you’re weighing up a change, it helps to walk the doorway with the actual furniture or equipment you’ll need through it. That’s a better test than a tape measure on its own. We handle door fitting across Fala and the rest of East Lothian, and the same question comes up in old cottages and new-build estates alike.

What the standards actually ask for

Building regulations don’t set one universal minimum for every internal door. What they do ask for is enough clear width for the door’s purpose, and for step-free access routes, that clear opening tends to sit closer to 750mm or 800mm. A 610mm door usually gives you a clear opening nearer 560mm once the frame and hinges are accounted for.

That gap between the nominal size and the usable width is where a lot of confusion comes from. A door labelled 610mm is never actually 610mm of walking-through space. It’s worth asking any door installer in Fisherrow or elsewhere in the county to talk you through the clear opening figure, not just the door leaf size, before you commit to a width.

Furniture, and the thing people forget

People measure doorways for doors and forget to measure them for everything else that has to go through. A 610mm opening will stop a standard double mattress, most wardrobes and a lot of sofas dead in the hallway.

It’s not just the width either. Diagonal manoeuvring room in the hallway or landing matters as much as the door itself, and a tight turn outside a narrow door can undo a perfectly adequate width.

• Standard double and king mattresses generally need at least 700mm to pass through square on
• Wardrobes and chests of drawers often need to go through on an angle, which needs more, not less, clearance
• Mobility equipment, prams and wheelchairs need the widest margin of anything you’ll bring into a house

We’d rather flag this before work starts than after a wardrobe’s stuck halfway through a doorway. It’s a conversation worth having with door fitting companies in Ford or wherever you’re based in East Lothian, before any door goes in.

What a narrow door does to a room and Where 610 still works

A narrow door doesn’t just restrict what fits through it. It changes how a room feels the moment you walk in, making an otherwise generous space feel pinched at the entrance.

That said, 610mm has its place. Cupboards, small utility rooms, some older understair spaces and low-traffic storage all suit a narrower door perfectly well, and there’s no reason to widen them just for the sake of it.

Georgian and older town houses

In Haddington and other burgh centres, older internal doors were often built narrower than we’d choose today, and that’s part of the building’s character. Swapping one for a wider door can look wrong against original skirting and architraves, so it’s worth weighing the practical gain against what you’d lose.

Later terraced and villa housing

In the terraced and villa stock around Musselburgh, Prestonpans and Tranent, internal doors were generally built to a more generous standard, and a 610mm door in these houses is more likely a later addition or a cupboard than an original bedroom door. We provide door fitting in Garvald and similar villages where older cottage stock brings up the same width questions.

Access, wheelchairs and future-proofing

If you or anyone in the household uses a wheelchair, a mobility scooter, or is likely to need one, 610mm won’t work. Wheelchair users generally need a clear opening well above what a 610mm door provides, and that means looking at 800mm or wider doors with the frame accounted for.

Even without a current need, it’s worth asking whether a door might matter for accessibility later. Ground-floor bathrooms and any door on a step-free route are the ones worth widening first, since retrofitting later usually means more disruption than doing it now.

Widening an opening

Widening a doorway is structural work, not just a bigger door leaf. What drives the cost is the wall itself: whether it’s a stud partition or solid masonry, whether it’s load-bearing, and what’s hidden inside it.

Older stone properties, common around Dunbar and North Berwick, often have thicker walls and less predictable construction behind the plaster, which changes what’s involved compared with a modern stud wall. Pipework, cabling and lintels all affect how straightforward the job is, and none of that shows up until the opening’s exposed.

Finish matters too. Matching existing skirting, architrave and plaster in an older house takes more time than a plain modern opening, and that’s reflected in the work rather than the door itself. As a family-run team, we handle the structural side and the finishing ourselves, so nothing gets passed between different tradespeople partway through.

Is it always worth widening a door rather than living with it? Not always, and a straight look at how the room’s used will usually tell you which way to go.