Stratford, Greater London
Car Key Programming Stratford
Stratford's mix of older run-arounds and newer company or lease cars means we programme everything from basic transponder keys to proximity smart keys with push-button start. All the equipment travels in the van, so coding happens at the car park or kerbside rather than requiring a trip to a dealer, and we always test the key with you before we leave.
A car key is two things at once: a cut blade or emergency blade, and an electronic device the vehicle has to recognise. Programming is the part that makes the car accept the key — without it, a perfectly cut key will open the door but never start the engine.
- Transponder programming
- Remote (central locking) programming
- Immobiliser programming
- Smart key and proximity key programming
- Programming of replacement and additional keys
- Erasing lost keys from the vehicle where supported

Where we work in Stratford
We are a mobile service with no shop or workshop, so the job happens wherever your vehicle is standing in Stratford — on a driveway, in a car park, at work or at the roadside where it is safe to work. E15, E20 is inside our normal coverage.
Local details that come up on car key programming calls here: Westfield Stratford City's multi-storey car parks; barrier-controlled parking under the new residential towers; older terraced streets off Romford Road with on-street parking only.
Keys bought online
If you have already bought a key online, we can often program it — but the part must be the correct type and frequency for your vehicle, and some aftermarket keys will not accept programming at all. Send us a photo of the key and your registration before you buy where possible.
Security waiting periods
Some manufacturers build a security delay into key programming. That is a designed-in protection, not a fault, and we will factor it into the time we quote for the job.
Proof of ownership
For vehicle security we may ask for proof of ownership or authority to access the vehicle — typically photo ID plus a V5C, insurance document or a hire/company letter — before locksmith work is carried out.
Car Key Programming questions from Stratford customers
Can you attend the Westfield Stratford City car parks?
Usually, yes, provided the car park allows external contractor access and it's safe to work at the bay. Tell us the level and bay number when you call.
I've lost my only key somewhere around the station — what do I do?
Call or message with your registration and where the car is parked. We'll confirm whether we support your model before attending, since this becomes an all keys lost job.
Do you program car keys?
Yes — transponders, remotes, immobiliser data and proximity smart keys, carried out mobile at your vehicle.
Can you program a key I bought myself?
Often, provided it is the correct part for your vehicle and it is programmable. Send us the registration and a photo of the key first.
Will my old keys still work afterwards?
On most vehicles yes. On some systems all keys must be re-learned together, and where a key has been lost you may want it erased on purpose.
Also covered near Stratford
Need car key programming in Stratford?
Only Car Key provides mobile car key replacement, spare keys, vehicle unlocking and key programming across East London, Essex and surrounding areas.
For vehicle security, proof of ownership or authority to access the vehicle may be requested before locksmith work is carried out.
