Front vs Rear Brake Disc Replacement Cost UK
Front brake discs cost more than rear in almost every case. This page explains why, what each job involves, and the electronic parking brake surcharge that catches many drivers off guard.
Front Axle
£150 - £350
Discs + pads, independent garage
Rear Axle
£120 - £280
Discs + pads, independent garage
Why Front Brakes Cost More
When you press the brake pedal, weight transfers forwards. This means the front brakes do roughly 70% of the work. To cope with that extra demand, front brake components are physically larger and built to higher specifications than the rear.
| Factor | Front | Rear |
|---|---|---|
| Braking force share | ~70% | ~30% |
| Disc diameter (typical) | 280 - 340 mm | 260 - 300 mm |
| Disc type (most cars) | Vented (two layers) | Solid (single layer) |
| Pad surface area | Larger | Smaller |
| Disc pair cost | £50 - £120 | £35 - £90 |
| Pad set cost | £25 - £80 | £20 - £60 |
| Labour time | 1 - 1.5 hours | 1 - 2 hours* |
*Rear jobs can take longer on cars with electronic parking brake (EPB), which requires a diagnostic tool to retract the caliper piston.
What the Front Brake Job Involves
A straightforward front disc and pad change follows a standard sequence. Most mechanics can complete one front axle in 60 to 90 minutes.
- 01Loosen wheel nuts, jack up the front of the car, secure on axle stands
- 02Remove the wheel to access the brake assembly
- 03Unbolt the caliper and hang it safely (never let it dangle by the brake hose)
- 04Remove the caliper bracket and slide the old disc off the hub
- 05Clean the hub face with a wire brush to remove rust and debris
- 06Fit the new disc, ensuring it seats flat against the hub
- 07Refit the caliper bracket and torque to spec
- 08Insert new brake pads into the bracket, applying copper grease to the back plates
- 09Push the caliper piston back, refit the caliper, torque bolts
- 10Refit the wheel, lower the car, torque the wheel nuts
- 11Pump the brake pedal several times before moving the car (critical safety step)
- 12Bed in the new discs and pads with gentle braking for the first 100 miles
What the Rear Brake Job Involves
The rear job follows the same basic process, but with one important difference on many modern cars: the electronic parking brake (EPB).
On cars built after roughly 2012-2015, the traditional handbrake cable has been replaced by an electric motor that clamps the rear caliper. To push the rear caliper piston back, the mechanic needs a diagnostic tool to tell the EPB motor to retract. Without it, the piston will not move.
Electronic Parking Brake Surcharge
The EPB adds £20 to £40 to the rear job because the garage needs a diagnostic scan tool to retract and re-engage the caliper. Not every garage has this tool, so always confirm before booking.
Cars commonly affected: VW Golf (Mk7+), Ford Focus (2018+), BMW 3 Series (F30+), Audi A3 (2013+), Vauxhall Astra (2015+), Hyundai Tucson, Kia Sportage, most Mercedes, most Volvo.
Do You Need to Do Both Axles at Once?
No. Front and rear brakes wear independently. Front discs typically wear faster because they do more work, but some drivers find their rears wear first due to the electronic parking brake or driving style.
When a garage recommends both axles, ask them to show you the disc measurements. If the rears are still 2mm or more above minimum thickness with no scoring, they can wait.
The rule is simple: always replace in pairs per axle (both front discs, or both rear discs), but front and rear are separate decisions. Doing both at once saves a return trip and may get you a small discount on labour.
Cost by Car Category: Front and Rear
| Category | Front Axle | Rear Axle | Both |
|---|---|---|---|
| City car | £150 - £200 | £120 - £170 | £270 - £370 |
| Small hatchback | £160 - £240 | £130 - £200 | £290 - £440 |
| Family car | £180 - £280 | £150 - £240 | £330 - £520 |
| Executive | £250 - £380 | £200 - £320 | £450 - £700 |
| SUV / 4x4 | £280 - £420 | £220 - £350 | £500 - £770 |
| Performance | £350 - £600+ | £280 - £480+ | £630 - £1,080+ |
Prices at an independent garage including discs, pads, hardware, and labour. National chains add 10-15%.