Brake Disc Replacement Cost
UK pricing for front and rear brake discs, MOT failure context, garage vs mobile mechanic, and when you need discs replaced vs pads only.
Quick Answer
Budget £150 to £350 per axle for front discs and pads at a UK garage. Rear discs and pads typically cost £120 to £280 per axle. Front costs more because front brakes handle most of your stopping power and use larger components. All four corners done together usually comes to £500 to £900.
What Is Included in the Price?
A full brake disc service includes the discs themselves, new brake pads, a hardware kit (springs and clips), and labor. Most garages also clean the caliper slides and apply copper grease to prevent future seizure.
| Component | Typical Parts Cost |
|---|---|
| 2 brake discs (one per wheel) | £40 to £120 |
| Brake pads (axle set) | £20 to £80 |
| Hardware kit (clips, springs) | £10 to £25 |
| Labor (1 to 1.5 hours per axle) | £70 to £120 |
| Total per axle (typical) | £150 to £350 |
When Do You Need Discs vs Pads Only?
Pads wear faster than discs and usually need replacing two or three times before the disc itself is worn out. A competent mechanic will measure the disc thickness and check the surface before recommending whether discs are needed.
Pads Only (£60 to £150 per axle)
Appropriate when:
- +Disc is above minimum thickness spec
- +Disc surface is smooth with no deep scoring
- +No visible cracking or heat damage
- +Pads have worn evenly on both sides
Discs and Pads (£150 to £350 per axle)
Required when:
- !Disc is at or below minimum thickness
- !Deep grooves scored into the disc surface
- !Vibration or pulsation when braking
- !MOT tester has flagged the discs
Garage vs Mobile Mechanic
Both options can do the job well. The right choice depends on your situation, how much you trust the provider, and whether you want the car inspected for other issues at the same time.
| Option | Typical Cost (front axle) | Pros | Cons |
|---|---|---|---|
| Independent garage | £150 to £280 | Full inspection possible. Warranty on work. Can spot other issues. | Need to drop the car off. Variable quality. |
| Mobile mechanic | £100 to £200 | Cheaper. Comes to you. No need to arrange a lift. | Needs flat surface. Limited diagnostic equipment. |
| National chain (Kwik Fit, etc.) | £160 to £320 | Consistent pricing. Easy to book. Good warranty. | Can upsell unnecessary work. Higher margin than indie garage. |
| Main dealer | £250 to £500+ | OEM parts. Manufacturer-trained technicians. | Significantly more expensive for the same outcome. |
Brake Discs and Your MOT
Brakes are one of the most common MOT failure categories. An MOT tester will check disc thickness, surface condition, and the balance of braking force between both wheels on the same axle.
What Gets Checked
- +Disc thickness (measured against manufacturer minimum)
- +Surface condition (scoring, cracking, corrosion)
- +Edge lip (sign of worn down centre area)
- +Brake force balance on roller brake tester
- +Pad thickness visible through wheel spokes
What Causes a Failure
- !Disc below minimum thickness spec
- !Deep scoring or cracking
- !Imbalanced braking (one side significantly weaker)
- !Pads worn to metal
- !Seized caliper preventing full release
Common Questions
How much does brake disc replacement cost in the UK?
Front brake discs and pads together typically cost £150 to £350 per axle at a UK garage. Rear discs and pads cost £120 to £280 per axle. Prices vary significantly between independent garages, national chains, and dealers.
Can I just replace the pads without replacing the discs?
Yes, if the discs are still within the manufacturer's minimum thickness and show no scoring, you can fit new pads to old discs. Your mechanic should measure disc thickness and inspect the surface. Heavily scored or thin discs must be replaced. Running new pads against worn discs reduces braking performance and can cause vibration.
Will worn brake discs cause an MOT failure?
Yes. An MOT tester will fail the vehicle if brake discs are worn below the minimum thickness, show excessive scoring, are cracked, or if there is a significant lip around the outer edge. The tester will also check that braking force is balanced across both wheels on the same axle.
Is a mobile mechanic cheaper for brake disc replacement?
Often yes, by 20 to 40%. A mobile mechanic has lower overhead costs than a garage with a workshop, ramps, and reception staff. The trade-off is that you need a suitable flat surface and the mobile mechanic cannot lift the car as easily for full inspection. For a straightforward disc and pad change it is a reasonable option.