Ask anyone who's ever mopped the same hallway twice in one rainy afternoon: a good doormat isn't a small detail. It's the difference between a clean home and a constant losing battle with mud, grit and puddles. And in the British climate, where the Met Office records rain on well over 100 days a year in most parts of the country, the mat by your door is doing more work than almost any other item in the house.
The trouble is that "doormat" covers a huge range of products, and the wrong one wears out fast or, worse, slides around and becomes a trip hazard. In this guide we'll walk through the real differences between indoor doormats UK shoppers rely on and the tougher outdoor doormats UK homes need, which materials actually last, what size to buy, and how to stop the thing moving once it's down. By the end you'll know exactly what to put on each side of your front door, and why.
Indoor vs outdoor doormats: do you really need both?
Yes, in most UK homes you want both. They do two completely different jobs.
An outdoor mat is your first line of defence. It scrapes off the heavy stuff, wet leaves, clumps of mud, grit from the path, before it ever gets near your threshold. An indoor mat then catches the fine dirt and moisture left on the soles of shoes, so it doesn't get tracked across your floors. One without the other leaves a gap: a single outdoor mat lets damp footprints through, while a single indoor mat gets overwhelmed and stays soggy.
This two-mat system is why hotels, offices and busy family homes almost always run a rough scraper outside and a softer absorbent mat inside. It's simple, and it works.
What is the best material for a doormat?
There's no single winner, because indoor and outdoor mats face very different problems. The best material for a doormat depends entirely on where it sits and what it's up against. Here's how the common options break down.
Outdoor doormats UK: coir, rubber and heavy duty options
Outside, you need something that can shrug off weather and scrub shoes clean. Three materials dominate.
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Coir (coconut fibre) is the classic bristly brown mat, and coir doormats remain the UK's most popular porch choice. Coir is brilliant at scraping mud off boots and it looks smart at the front door. The catch is that pure coir doesn't love being soaked for days on end, so it's happiest under a bit of cover, and it lasts far longer if you know how to clean a coir doormat properly.
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Rubber doormats outdoors are the workhorses. Fully weatherproof, they don't rot, they drain freely, and they take a beating without complaint. A rubber-backed or all-rubber mat is often the most sensible pick for an exposed doorstep.
For high-traffic entrances, heavy duty outdoor doormats combine both worlds, a rubber base or frame with coir or scraper brushes on top. These are the ones that survive years of school runs, dog walks and delivery drivers.
In our own testing at AS Global Mart, an uncovered pure-coir mat started shedding and flattening within a single wet British winter, while rubber-and-coir combination mats on the same doorstep were still performing well after three.
If your doorstep takes the full force of British weather, it's worth browsing purpose-built waterproof mats designed for rain, snow and wet weather rather than hoping a decorative mat will cope. Not sure whether coir or rubber suits your entrance better?
Explore Our Guide on: Choosing Between Coir & Rubber Doormats
Indoor doormats UK: washable and dirt trapper mats
Inside, the priority shifts from scraping to absorbing. You want a mat that soaks up leftover moisture and traps fine dust, then cleans up easily.
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Washable doormats are the practical favourite for UK homes. Many are machine-washable at 30°C, which means you can freshen them up whenever they start looking tired, a genuine advantage in homes with kids or pets. Look for a low-profile design if the mat sits behind an inward-opening door.
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Dirt trapper mats (sometimes sold as dirt trapper mats outdoor for covered porches, though they shine indoors too) use dense absorbent fibres on a non-slip backing to grab water and grime on contact. They're the reason your hallway stays presentable between cleans.
Whatever you choose indoors, a rubber or latex backing matters just as much as the top, it's what keeps the mat put on hard floors. You can browse washable and dirt trapper doormats in every common UK size to find one that fits your hallway.
What size doormat do I need? (UK sizes)
A mat that's too small looks mean and misses half the footfall. As a rule of thumb, aim for a mat that's at least as wide as your door opening and deep enough for someone to plant both feet on it.
Standard UK doormat sizes make this easy:
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Small — around 40 x 60cm: flats, narrow porches, or a second internal mat.
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Medium — around 45 x 75cm: the everyday choice for a typical UK front door mat.
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Large — around 60 x 90cm: large doormats in this size suit wider entrances and busy family halls, while extra large door mats work best for double doors.
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Runner — around 40 x 120cm or longer: hallway runner mats are ideal for long hallways or French doors.
Before you buy, measure your doorway width and, crucially, check the swing of an inward-opening door so the mat doesn't catch underneath it. For those, a thin, low-profile mat under about 1cm high is your friend.
How to stop a doormat slipping or moving
A sliding mat is annoying and genuinely unsafe, especially on smooth flooring. To stop a doormat slipping or moving, the fix depends on your surface.
On carpet, the tiny gripper teeth on a rubber or latex backing usually do the job on their own. On hard floors, laminate, tile, vinyl or wood, a plain rubber backing can still skate about, so add a thin non-slip underlay or double-sided anti-slip tape underneath. A few discreet strips at the corners hold most non-slip door mats firmly in place without marking the floor.
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Two more quick wins: choose a heavier mat (weight alone resists movement), and keep the floor and the mat's underside clean, since dust between them acts like tiny ball bearings. For a full walkthrough tailored to slippery surfaces, see our guide on stopping a doormat slipping on laminate or tile floors.
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It's worth taking this seriously: loose rugs and mats are a recognised trip hazard in the home, and falls are the most common cause of injury among older people in the UK, according to safety bodies such as RoSPA. If you're buying for an older relative or anyone with reduced mobility.
See Our Guide to: Best Anti-Slip Doormats for Elderly UK
Non-slip outdoor door mats follow the same logic, a solid rubber base gripping a clean, dry step will stay put far better than a lightweight mat on a mossy one.
Related Read: How to Stop a Doormat from Moving on Laminate Floor
How to choose and buy doormats online in the UK
Buying blind is where people go wrong, so run through a short checklist before you order. Match the mat to its position: scraper outside, absorbent inside. Confirm the size against your measured doorway. Check the backing suits your floor. And be honest about maintenance, if you won't hose down a coir mat, a washable one will serve you better.
When you buy doormats online in the UK, read the product dimensions and pile height rather than trusting the photo, and check whether the mat is described as suitable for covered or fully exposed positions. A mat sold as "weatherproof" should say so plainly.
At AS Global Mart, we stock indoor and outdoor doormats across all the common UK sizes, from low-profile washable mats to heavy duty rubber scrapers built for the worst of the weather, with clear dimensions and material details on every listing, so you know what's turning up before it arrives.
Frequently Asked Questions
Do you need an indoor and outdoor doormat, or will one do?
Ideally both. The outdoor mat removes heavy mud and water, while the indoor mat catches the fine dirt and damp left on shoes. Together they keep floors far cleaner than a single mat ever could.
What is the best material for a doormat?
For outdoors, rubber or a rubber-and-coir combination handles UK weather best. For indoors, a washable absorbent mat with a non-slip backing is the most practical. Coir is excellent for scraping but prefers a sheltered spot.
What's the best door mat for inside the house?
A machine-washable dirt trapper mat with a rubber or latex non-slip backing is the best all-rounder for inside the house. It absorbs moisture, traps fine dirt, stays put on hard floors, and can go in the wash at 30°C when it needs freshening up.
How do I stop my doormat from slipping?
On carpet, a rubber-backed mat usually grips fine. On laminate, tile or wood, add non-slip underlay or anti-slip tape underneath, and pick a heavier mat. Keeping both the floor and the mat's base clean also helps.
Are outdoor doormats waterproof?
All-rubber and rubber-backed mats are effectively weatherproof and drain well. Pure coir mats are water-resistant rather than fully waterproof, so they last longest under a porch or canopy.
Why buy from AS Global Mart?
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Fast UK delivery: Dispatched within 1 working day, delivered in 3 to 6 working days.
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Easy returns: 14 working day hassle-free returns on all doormats.
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Honest listings: Exact dimensions, pile height and material details on every product, plus whether it suits covered or fully exposed positions.
The bottom line
The smartest setup is rarely one clever mat, it's the right pair, matched to your floors, your door size and the weather your entrance actually faces. Get a weatherproof scraper working outside and a washable, non-slip mat catching the rest indoors, and you'll spend a lot less time cleaning up after every trip in and out.
Ready to sort your entrance properly? Browse the full range of indoor and outdoor doormats at AS Global Mart, and pick the size and material that fit your home. And if your current mat needs reviving before you replace it.
Our Step-by-Step guide to: Cleaning a Coir Doormat will keep it Looking its Best for Longer