Should you change your own brake pads? Probably not, and here's the honest why
Legally, yes, you can change your own brake pads in the UK. There's no law against it. A garage charges £100 to £180 per axle and the pads themselves cost £20 to £45, so the saving looks tempting on paper. But this is the one job on our DIY list where we'll be blunt: brakes are the bit that stops your car hitting the school crossing, and a written guide is not how anyone should learn safety-critical work for the first time. If you've done brakes before under someone experienced, fine. If you'd be learning from scratch off the internet, pay the garage.
Where the money actually goes
| Option | Cost |
|---|---|
| Garage pad change (per axle, fitted) | £100–£180 |
| Pads only (per axle, DIY) | £20–£45 |
| You save by DIY | £80–£140 |
That's a real saving, no argument. An experienced home mechanic with axle stands, the right tools and a torque wrench can do front pads in under an hour and the work is not complicated in the way a gearbox is complicated. The problem isn't complexity. It's that the price of a mistake is measured in stopping distance, and unlike a botched oil change, a botched brake job doesn't announce itself until the exact moment you need it not to.
What makes this different from every other DIY job
You won't find fitting instructions here, and that's deliberate. What you will find is an honest list of the ways this job bites people, so you can judge whether it's for you.
Seized slider pins, the bolts the brake caliper moves back and forth on, are the classic one. They corrode in British road salt, and a caliper that can't slide wears the new pads out in months or drags and overheats. A proper job checks and greases them; a rushed one doesn't. Then there's what goes where. Grease on the wrong part of a brake is worse than no grease, and the old habit of slapping copper grease everywhere is genuinely bad advice on modern brakes, where it can contaminate the pad surface and upset the anti-lock sensors' wheel speed rings. Modern practice uses specific brake lubricants, sparingly, in specific places.
And if your car has an electronic handbrake, the rear calipers often need to be wound back with the parking brake put into a service mode first, sometimes via diagnostic kit. Force them back with a G-clamp like the old days and you can wreck the electric motor on the caliper, at £150 to £300 a side. Plenty of people have turned a £45 pad change into a £600 repair exactly this way.
Who genuinely shouldn't do this
Anyone doing brakes for the very first time without an experienced person standing next to them. Anyone without proper axle stands and a torque wrench, because wheels and calipers have specified bolt tightness for good reason. Anyone whose car has an electronic handbrake, unless they know the wind-back procedure for that exact model. And anyone who can't honestly answer what they'd do if the pedal felt soft afterwards. "It'll probably be fine" is not a braking strategy.
If the discs are lipped, scored or below minimum thickness, the job grows into pads and discs, which is more money but also more steps to get wrong. A garage checks this automatically. At home it's the sort of thing that gets talked into being fine.
Paying a garage without getting stung
£100 to £180 per axle fitted, with decent branded pads, is fair at an independent. Pads and discs together typically run £180 to £320 per axle depending on the car. Be wary of two things: quotes way under £100, which usually mean the cheapest white-box pads available, and the upsell where every visit somehow ends with "your brakes are dangerous". Pads have wear indicators and a garage can show you the measurement; ask them to. Our guide to garage overcharging covers how to push back, and you can sanity-check any brake quote for your exact car with our reg checker. Brakes are also the classic job where a good independent beats a dealer on price by half for identical parts.
Common questions
Is it legal to change your own brake pads in the UK?
Yes. There's no law stopping you working on your own car's brakes, and no certificate is required. The legal risk arrives afterwards: if badly fitted brakes cause an accident, you're liable, and your insurer may take a keen interest in who did the work.
How much do garages charge for brake pads?
A fair independent charges £100 to £180 per axle fitted, including decent branded pads. Pads and discs together run roughly £180 to £320 per axle. Main dealers often charge nearly double, which is hard to justify for a job every independent does daily.
How do I know when brake pads need changing?
A squeal or scraping from the wheels, a dashboard brake warning light, or a garage measuring under 3mm of friction material left. Most pads last 25,000 to 60,000 miles depending on driving. Ask the garage to show you the measurement rather than taking their word.
Can I just change pads without the discs?
Often yes, if the discs are above their minimum thickness and not badly scored or lipped. Discs typically last two or three sets of pads. A garage measures them with a gauge; if quoted for discs, ask for the measurement and the minimum stamped on the disc.
Why do new brakes feel different at first?
New pads need a bedding-in period, usually a couple of hundred miles of gentle use, to mate to the disc surface. Slightly softer feel at first is normal. A pedal that sinks, pulls to one side, or grinds is not normal, and means going straight back to whoever fitted them.