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Have you ever sat down and felt your sofa sag a little too much, like a hammock that’s lost its will to hold you up? Sofa and chair supports are the unsung heroes that restore structure, improve posture, and extend the life of your furniture. They’re the small upgrades that act like a backbone for your settee — keeping cushions even, preventing springs from collapsing, and stopping legs from wobbling on hardwood or tile. Whether you want to raise a low sofa by a few inches or swap dated feet for a modern look, a smart support choice can be the difference between a good living space and a great one.
Not all supports are created equal. Some are quick fixes for wobble, while others are design-led replacements that change the whole vibe of a room. You’ll find risers, replacement legs, levellers, corner blocks, and protective pads — each serving a distinct need. Think of risers like lifts in a shoe: they add height without altering the shoe’s shape. Replacement legs are like a haircut for your sofa — immediate style change. Levellers are the steadying hand you need on uneven floors. Knowing which to pick depends on weight, height, material, and how permanent you want the solution to be.
Sofa risers slip under existing legs and typically add between 1 inch and 6 inches of height, depending on the design. They’re ideal when you want to make getting up easier or to match the height of nearby chairs. Many risers support 200 pounds to 1,000 pounds per riser, so check the rated load if you have a heavy sectional or a dense foam mattress-seat top. They’re quick to fit and reversible — perfect for renters or trial runs.
Replacement legs come in wood, metal, and molded plastics and range in height from a few inches to 12 inches for mid-century or designer looks. Oak legs give a warm, classic touch and usually come in solid 3 to 6-inch sizes, while metal hairpin legs can be 4 to 10 inches for an industrial lift. When swapping legs, match the thread or plate size and confirm bolt dimensions in inches to avoid surprises.
Levellers screw into existing frames and offer precise height adjustments by fractions of an inch, commonly from 0.25 inch up to 2 inches. They’re the go-to for uneven floors: if one corner of your sofa needs a 0.5 inch tweak, a leveller can fix it without changing overall aesthetics. Many levellers carry 100 to 500 pounds each, so calculate the total load across the points of contact.
Corner blocks and internal braces are the backstage crew — you don’t see them, but they stop the whole show from collapsing. These wooden blocks attach inside the frame and distribute weight across a broader area. They’re best if you’re comfortable with a minor upholstery or DIY job and want a long-term structural repair rather than an external bandage.
These small felt or rubber pads prevent slips and protect floors, and when paired with levellers or risers, they reduce movement and scratching. Pads typically measure 1 inch to 3 inches in diameter and are simple to apply, yet they dramatically improve stability on hardwood, laminate, or tile floors.
Looking for where to shop? The UK has a healthy mix of high-street names and specialist online retailers that stock everything from simple risers to designer replacement legs. Below I’ve listed popular options and what they’re best for, so you can go shopping with a clear plan.
IKEA sells a broad selection of replacement legs and risers designed to be affordable and easy to fit. Many legs are available in heights from 2 inches to 7 inches, often adjustable via screws or plates to accommodate standard bolt sizes. If you enjoy a straightforward swap and a quick style refresh, IKEA’s range is a practical starting point.
John Lewis stocks mid-range to premium sofa supports and replacement legs in wood and metal finishes. Expect well-made options that match classic and contemporary sofas, with many adjustable levellers and felt pads to finish the job. If you want a balance of quality and design, this is a strong contender.
Argos offers inexpensive risers and levellers for fast fixes. Their range often includes risers that increase height by 1 inch to 4 inches, rated for household weights. It’s a go-to if you need a quick, budget-friendly solution and want to pick up items in-store the same day.
Dunelm’s furniture accessories section is full of decorative legs, protective feet, and levellers. You’ll find wooden legs in oak and walnut finishes and rubber pads for fragile floors. They’re great if you want a coordinated look across your living room without breaking the bank.
Wayfair has one of the widest selections online, covering designer wooden legs, industrial metal styles, and specialist heavy-duty levellers. They list clear load ratings in pounds and exact heights in inches, making it easier to match parts to sofa specifications. This is the place to browse if you’re hunting for variety and niche styles.
B&Q focuses on practical levellers and hardware fittings, ideal if you prefer a workshop-style, robust fix. Their adjustable feet and metal plates are useful for restoring older or bespoke frames. Expect components sold individually or in packs with measurements given in inches.
Made.com is known for designer furniture and often sells matching legs for their sofas, plus stylish replacement feet that fit modern pieces. If your sofa is a statement item, consider Made.com for polished aesthetic-compatible legs ranging from 3 inches to 8 inches in height.
For more premium pieces and specialist advice, Furniture Village offers legs and supports that match higher-end sofas. They also provide options specifically designed to work with their own ranges, often with thicker-duty ratings suitable for sectional sofas and heavy upholstery, with heights typically between 4 inches and 10 inches.
If you want natural wood legs in genuine oak or beech, Oak Furniture Land is a solid pick. Their replacement feet tend to be chunkier and come in heights that complement solid wood furniture — usually 3 to 6 inches — and look great in traditional or rustic interiors.
Amazon and Etsy are treasure troves for variety — from boutique handcrafted legs to packs of industrial metal brackets. Amazon gives fast search filters with load ratings in pounds and size filters in inches, while Etsy offers bespoke, handmade legs if you’re chasing a unique finish. Always check bolt specs and mount plate sizes before buying to ensure compatibility.
Start by answering the basics: how much height do you want to add in inches, how much weight will each support need to handle in pounds, and what’s your aesthetic goal? Measure from the floor to the bottom of the seat in inches, then decide if you want the seat height to match dining chairs or to simply make standing up easier. For heavy sofas or sectional configurations, calculate the total weight in pounds and divide by the number of contact points to ensure each leg or riser is rated appropriately. Materials matter too: solid oak or steel offers more longevity than cheap plastics, especially under heavy loads.
Sometimes you don’t need to shop — a weekend DIY fix can do the trick. For quick lifts, stack a sturdy hardwood block cut to size — 1 inch to 3 inches thick — under each leg and cover with a fabric or felt pad for a finished look. If you need to stabilise, add a plywood strip inside the frame and screw in an adjustable leveller; this gives you precise tweaks in increments as small as 0.25 inch. Want a modern look without custom legs? Screw on metal hairpin legs using a small plate — they’re typically 4 to 8 inches in height and transform the sofa’s style overnight.
Measure the inside frame in inches and cut a hardwood block to fit the corner snugly. Glue and screw the block into place and then use it to anchor replacement legs or brackets. This takes a few hours but gives a solid, long-term fix for frames that wobble or creak.
Felt pads are the simplest stopgap: stick one under the wobbling leg to take up a 0.25 inch to 0.75 inch gap. They protect floors and dampen noise, and while not a structural fix, they’re a nice quick remedy while deciding on a permanent solution.
Measure twice, fit once. Use a tape measured in inches to check the current leg bolt size, plate dimensions, and desired final height. If replacing legs, check whether your sofa uses threaded studs or a mounting plate. When installing, tighten bolts evenly and use a spirit level to check seating level across the sofa; a small difference of 0.5 inch can be felt when you sit down. Don’t overtighten metal into wood — use washers to spread the load in pounds and avoid splitting the frame.
Keep a few basic tools ready: a tape measure in inches, a set of hex keys and screwdrivers, a socket or wrench for bolts, and a drill with appropriate bits if you’re adding or changing plates. If you’re changing wooden legs, clamps and wood glue can help with gluing corner blocks or reinforcing joints.
Supports are part of the look. Choose tapered wooden legs for a mid-century modern feel, metal hairpins for an industrial edge, or chunky block legs for rustic charm. Heights from 3 inches to 8 inches will change the sofa’s visual weight: lower legs make furniture feel grounded and cozy, while taller legs at 6 inches to 10 inches open up visual space under the sofa, making a room feel airier. Think of leg material like shoe material — leather for elegance, metal for sharpness, wood for warmth.
Check bolts and levellers every few months, especially after moving or heavy use. Tighten screws in increments and redistribute weight occasionally by rotating cushions and flipping seat bases if possible. Replace rubber pads when they wear — a 1-inch pad worn thin can lead to scratches or wobble. If you notice a 0.5 inch drop or more in any corner, investigate immediately; small fixes now prevent big repair jobs later.
Interested in sustainability? Look for supports made from FSC-certified oak or reclaimed wood or metal legs made with recycled steel. Recycled plastic risers also exist and can support several hundred pounds while keeping materials out of landfill. Choosing durable materials like hardwood or steel may cost more up front, but in the long run they reduce the need for replacements and offer better value per year of use.
Choosing the right sofa or chair support is a lot like choosing the right shoes: comfort and fit matter, but so does style. Measure carefully in inches, check weight ratings in pounds, and pick a finish that enhances your living room. With the right components from trustworthy UK stores, you can upgrade comfort, improve posture, and refresh your decor in just an afternoon.
Conclusion: A small support upgrade can deliver a big comfort payoff — stabilising, lifting, and styling your sofa while protecting both your posture and your floors. Whether you opt for a quick riser, elegant new legs, or a permanent internal brace, the right choice makes your sofa feel new again.
