Common lock problems we fix — real jobs, filmed on-site across Croydon, Sutton, Wallington, Purley and the rest of South London. Non-destructive entry first, no door damage where possible, and a clear before-and-after on every call — fresh case studies added as the work is completed.
Real WhatsApp clips from South London customers showing the lock, door or mechanism fault the moment our team arrived on site.

Locked Inside House – uPVC Door Fault Sutton SM1
Customer in Sutton was trapped inside after the uPVC door mechanism failed. We released the door without damage and resolved the fault on the spot.
● Sutton SM1YouTube Shorts
Faulty uPVC Door Mechanism – Repaired Purley CR8
Customer in Purley had a faulty uPVC multi-point lock with hooks not engaging properly, leaving the door insecure. We fixed the mechanism and tested it for smooth operation.
● Purley CR8YouTube Shorts
Broken Yale Latch – Replaced South Croydon CR2
Customer in South Croydon had a broken Yale night latch leaving the door insecure. We replaced the latch and confirmed it was working properly.
● South Croydon CR2YouTube ShortsEvery job ends with the customer turning the key themselves. Here is that moment — unedited and filmed on site.

Front Door Lock Replacement – Tested South Croydon CR2
Customer in South Croydon had her front door lock replaced. After fitting we filmed the customer testing the new lock to confirm everything was secure and working perfectly.
● South Croydon CR2YouTube Shorts
Communal Door Lock Replacement – Wallington SM6
Block of flats in Wallington needed a communal door Yale lock replaced. We fitted a new lock and tested it to ensure smooth operation for all residents.
● Wallington SM6YouTube Shorts
Snapped Key In Lock – Removed Coulsdon CR5
Customer in Coulsdon had a snapped key stuck inside the lock. We removed the broken key and restored full use of the door.
● Coulsdon CR5YouTube ShortsGenuine on-camera reactions from customers after we sorted them out — no staged testimonials, no scripts.

Locked Out Of House – Emergency Door Unlock Purley CR8
Customer in Purley was locked out of their home. We gained entry quickly and safely without causing damage.
● Purley CR8YouTube ShortsNew thank-you clip
● South LondonYouTube ShortsNew thank-you clip
● South LondonYouTube ShortsFull job clips: the original lock or door fault when we arrived, and the insurance-approved replacement fitted and tested before we left. One video, the whole transformation.

Insurance-Approved Lock Replacement – South Croydon CR2
Customer in South Croydon asked us to upgrade her front door lock to meet her home insurance requirements. We fitted a 5 lever British Standard lock and tested it to ensure smooth operation.
● South Croydon CR2YouTube Shorts
Door Not Closing Properly – Fixed Croydon
Customer in Croydon had a dropped door causing difficulty closing and locking. We carried out a door alignment to restore smooth operation.
● CroydonYouTube Shorts
Key Stuck In Lock Replaced – South Croydon CR2
Customer in South Croydon had a key stuck in their door lock. We replaced the faulty lock and the customer tested the new one to confirm smooth operation.
● South Croydon CR2YouTube ShortsUsually on-site within 20-40 minutes across South London. Card or cash accepted.
Everything we get asked before we arrive.
We only film with the customer's permission. We always ask before recording.
Only if you're happy for it to be. We can blur house numbers, skip close-ups of keys, and crop any detail you're not comfortable with. We can also keep a job completely private if you prefer.
Yes — Croydon, Sutton, Wallington, Coulsdon, Purley, Thornton Heath, Norbury, Sanderstead, Kenley, and the surrounding postcodes. See our full Areas We Cover page for every postcode we serve.
In most cases, yes — especially with standard Yale night latches and euro cylinder locks. On high-security or anti-pick cylinders we may drill the cylinder only (never the door), and replace the cylinder on the spot so you leave locked up.
Pair any of these services with a visit — most call-outs cover more than one problem on the day.
Family-run, DBS-checked locksmiths covering South London since 2015. Lockouts, lock changes, uPVC door repairs, smart locks, commercial & insurance work — clear pricing before any job begins.
South London is our home turf. 30-minute response promise across these postcodes — call any time, 24/7.
View full coverage map →© 2026 Locksmith South London · All rights reserved.