Locked out at 11pm near Heathrow. They were with me in 25 minutes, no damage, cheaper than the dealer quoted. Genuine lifesavers.
James M.
Hounslow · Emergency Unlock
Refurb · Recase · Remote · Smart Key · Push-Start ///
Car Key Fob Replacement. From £45.
Cracked case, dead buttons, lost remote, smart-key replacement — all done mobile on your driveway. West London, Slough, Heathrow, Reading. 12-month warranty.
30-min response
West London
Fully insured
Public & PI
Non-destructive
Industry standard
Dealer-level kit
AutoTuner · Autel
Fixed quotes
Before we attend
Instant Tailored Quote
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Fixed price confirmed before we attend · No-damage entry · Dealer-grade key programming
No spam · No obligation · Fixed pricing confirmed before we attend
Professional. Mobile. Trusted.
A failing key fob doesn't always mean a new key — but knowing what you actually need keeps the cost down. StageMyCar offers four levels of fob service across West London: a £45 case swap (your existing electronics, new housing & buttons), a £75 button-pad / micro-switch repair for sticky or unresponsive buttons, a £120-£180 new programmed remote for traditional remote/transponder cars, and a £180-£420 smart-key replacement for proximity / push-start vehicles. Every fob we supply is OEM or OEM-spec, programmed on site, and warranted for 12 months. Fully mobile — typical 30-45 min response across the M25 corridor.
- Case swap / recase — £45 (15 mins)
- Button-pad repair — £75
- Remote-only refurb / re-sync — £85
- New programmed remote fob — £120-£180
- Full smart key (proximity / push-start) — £180-£420
- Battery replacement — £8 walk-in
- BMW, Mercedes, Audi, VW, Ford, Toyota, Kia, JLR
- OEM / OEM-spec parts only
- 12-month parts & labour warranty
- Same-day mobile service
Payment Assist · Official Partner
Spread the Cost with Payment Assist
On selected services over £250, you can split the total into 3 or 4 monthly payments with 0% APR available. A small deposit is paid on the day, then the remaining balance is collected in equal monthly instalments. No long forms, no waiting — applied on site before work begins.
- 0% APR available on selected services
- 3 or 4 equal monthly payments
- Deposit paid on the day
- Soft credit check — no impact at quote stage
- Decision in minutes, on site
- Available on jobs over £250
Finance subject to status and approval and provided by Payment Assist Ltd, authorised and regulated by the Financial Conduct Authority. 0% APR available on selected services. Terms, eligibility and final monthly figure confirmed at application. StageMyCar UK is an introducer appointed representative — we do not charge a fee for this service.
Example · Illustrative
£480 ECU Remap · 0% APR
3 payments
£120/mo
£120 deposit
4 payments
£96/mo
£96 deposit
Authorised & regulated by the FCA
Decision in minutes — apply on site
Subject to status & approval
Indicative example only. Final terms confirmed at application.
Frequently Asked Questions
How much is a car key fob replacement?+
Remote-only refurb / case swap from £45. New programmed remote fob from £120. Full smart key with proximity / push-start from £180-£420 depending on car.
My remote stopped working — fob or battery?+
Always try a fresh CR2032 / CR2025 first. If it still fails, it could be a stuck button, water damage, or a desynced rolling code — we re-sync or replace on site.
Can you fix a damaged case / cracked fob?+
Yes — most cases swapped in 15 mins on your driveway. Keeps your existing electronics and programming.
Do you program aftermarket fobs?+
Yes — we use OEM and OEM-spec aftermarket fobs that are dealer-equivalent. 12-month warranty on every fob supplied.
Push-start / proximity fobs?+
Yes — full smart-key cut and program on site for BMW, Mercedes, Audi, VW, Ford, Toyota, Kia, Hyundai, JLR and more.
How long does it take?+
Remote-only: 30-45 mins. Full smart key: 60-90 mins. Same-day across West London, Slough, Heathrow.
★ 5.0 / 5 · 36 Google reviews
Trusted by drivers across West London
StageMyCar UK is a mobile auto locksmith and ECU specialist serving West London, the M4 corridor, Heathrow, Slough, Reading and surrounding areas. Fixed-price quotes, DBS-checked engineers, fully insured, 7 days a week. Call 07312 826380 for an instant quote.