Coil spring replacement cost UK

The spring is the cheap bit. A quality coil for a family hatchback costs £35–£70; the bill is the labour of getting it out. Front springs live inside the strut assembly, which means unbolting the strut, compressing the spring safely and rebuilding the unit — an hour-plus of careful work. Rear springs on many hatchbacks just sit on a perch and practically fall out with the axle lowered, which is the whole story of the front/rear price gap.

Suspension design sets the tier. Simple MacPherson fronts and twist-beam rears — most of the small cars in our table — are the quick end. Multi-link rear axles on premium cars bury the spring behind arms that want unbolting, and some need alignment afterwards as standard, which is why the German rows carry £40–£80 more per corner.

What snapped the spring can add a line or two. A pothole hard enough to break a spring sometimes bends a wheel, pops a drop link or knocks the tracking out. A fair garage checks the corner while it’s apart and quotes anything extra before fitting — and if a pothole genuinely caused it, our suspension guide covers claiming the cost back from the council, evidence checklist included.

Coil springs sit near the top of UK breakdown-warranty claim tables — alongside alternators and batteries — and the reasons are written into the roads. A spring is a torsion bar wound into a helix, permanently loaded, cycling millions of times; it’s engineered for that. What it isn’t engineered for is the double tax of British motoring: pothole strikes that shock-load the coil beyond its design envelope, and winter salt that gets under the spring’s protective coating wherever a stone has chipped it. Rust eats a notch into the steel, the notch concentrates stress, and one cold morning — metal is more brittle in the cold, which is why springs famously let go in winter cold snaps — the coil snaps, usually at the bottom turn where corrosion pools.

That failure story explains two things drivers find odd. First, why a spring can break on an ordinary street at low speed: the pothole months ago wrote the cheque, the frosty Tuesday cashed it. Second, why the MOT tester runs a torch around your spring seats every year — corrosion at the bottom coil is the tell they’re trained to catch before it becomes a bang. Which makes the wording on your certificate worth translating precisely, because one word changes whether you owe £0 or £200 — see the protocol section below.

Elsewhere on this site we tell you wheel bearings never need doing in pairs. Springs earn the opposite advice — usually — and the difference is worth understanding so you can tell physics from padding. A bearing either has play or it doesn’t; its partner’s condition is irrelevant. Springs, though, sag as they age: an eight-year-old spring is measurably shorter and softer than the new one you’re about to fit opposite it. Pair a fresh coil with a tired one on the same axle and the car sits a few millimetres wonky, weight shifts unevenly, and braking and cornering pull subtly to one side. On a young car the mismatch is trivial; on the salt-aged car whose spring just snapped, its twin has lived the identical life and is often visibly corroded at the same coil.

So the honest rule: same axle in pairs when the car is older or the surviving spring shows corrosion; singly is fine on a young car after pothole damage, where the break was violence rather than age. The pricing softens the blow — a pair runs about 1.8 times the single price, not double, because the ramp time and setup are shared. What you should never be sold is all four corners off the back of one broken front spring: axles are independent, and the rear springs’ condition is a torch-inspection away from being a fact rather than a fear. “Show me the corrosion on the other three” is a perfectly fair thing to say.

Here’s the genuine bundling opportunity, and it’s the front axle’s version of the water-pump-with-cambelt logic: on strut suspensions the spring wraps around the shock absorber, so replacing either means dismantling the same assembly. A shock added to a spring job — or vice versa — costs mostly its part price, £50–£90 instead of a fresh £150+ of labour later. If your shocks are genuinely tired, the snapped spring just gave you a discount window.

“Genuinely tired” is the load-bearing phrase. The evidence that counts: oil visibly leaking down the damper body, cupped or scalloped tyre wear, a float or wallow over crests that’s new, or a damper advisory in the MOT history. The evidence that doesn’t count is the bounce test — pushing the wing down and watching it rebound tells you almost nothing about a modern damper, whatever the forecourt demonstration suggests; our suspension guide unpacks that myth properly. No leak, no wear pattern, no symptoms? Then the shock stays, the spring goes in alone, and you’ve spent exactly what the failure demanded. And while the corner’s apart, the same free-look rule from our wheel bearing guide applies in reverse: a two-minute spin of the hub costs nothing and dates your next visit.

Springs are honest, visual work — the broken coil can be shown to you in the hand, and should be. It’s also a job fast-fit chains price keenly, which makes it one of the better repairs to shop around on. Compare coil spring prices from garages near you →

First, the driveability question, honestly. A snapped spring is not an automatic stop-where-you-are event, but it’s a judgement with rules. If the car sits close to level, nothing is rubbing, and the steering feels normal, a short, gentle drive to a garage is generally reasonable. If the corner has dropped visibly, the tyre touches anything on lock or over bumps, or you can see a loose spring end — stop and recover it: a displaced coil fragment sitting against a rotating tyre can slice it open at speed, which turns a £200 repair into an accident. When in doubt, the photograph-the-arches test above is your tiebreaker.

Second, the paperwork question, because the MOT rules here are unusually black and white:

That first row is where money leaks. “Corroded” appears on thousands of certificates every winter, and it is a note, not a sentence — surface rust on a spring that may serve for years. The question that keeps the quote honest is the one to ask with the car on the ramp: “is the spring fractured or just corroded — and can I see the break?” A fractured spring produces a shiny, unmistakable snapped end that any garage will happily show you; corrosion produces a shrug and, from the wrong kind of garage, a quote for four corners. See the break, pay for the break. Run your reg through our checker and every spring and corrosion note in your car’s MOT history comes back with a price and a corner attached.

Act on the advisory, not the bang. “Coil spring corroded” a winter in advance is an invitation to book the job in autumn at a quiet garage’s best price. The same spring replaced after it snaps often arrives with recovery costs, an alignment knocked out by the break, and whatever the loose coil scuffed on its way down.

Pair when the physics says so, not the invoice. Old car, corroded twin — pair it at ×1.8 and get a level, predictable axle. Young car, pothole victim — one spring, and keep the £120. The wrong answer in either direction costs money; the torch inspection that decides it costs nothing.

Use the open strut window. If the shocks have real symptoms — leaks, cupped tyres, an MOT damper note — fitting them during the spring job saves most of a future labour bill. If they don’t, decline cheerfully. The discount window argument only works on parts that were due anyway.

Claim when the road did it. A documented pothole strike that breaks a spring is claimable against the council — photos, location, invoice. The process and evidence list live in our suspension guide; springs are among the most commonly reimbursed items, and a £180 cheque for twenty minutes of admin is the best rate on this page. A dated note from your last service showing the spring intact strengthens the claim nicely.