01
Emergency Lockout Service
Greenwich lockouts from £59: non-destructive entry first, fixed price before we start, 24 hours a day.
From £59
Local engineers · Greenwich & surrounding areas
Locksmith Greenwich: Lockouts, Lock Changes & Repairs Done Properly
Cosmo has looked after homes and shops in Greenwich the old-fashioned way: a straight price on the phone, an engineer who arrives when he said he would, and a door left better than we found it. Lockouts, lock changes, uPVC mechanisms and break-in repairs, any hour. Ring 07576 573 989.
Usually with you in 20–40 minutes in Greenwich, 24 hours a day
Request a locksmith in Greenwich
Name, number, address — an engineer rings you back within minutes.
Three details. We ring you straight back.
Name, number, address. A local engineer rings to confirm and tell you when he's on his way.
- 1Contact
- 2Address
DBS-checked engineers No call-out fee Non-destructive entry British Standard locks Fixed price up front 12-month guarantee
Lockouts
from £59
Lock changes
from £75
Call-out fee
none, ever
Your local team
Cosmo Locksmith — Greenwich
5 Nelson Road, SE10 9JB
07576 573 989Open 24 hours, 7 days a week, bank holidays included.
- • Lockouts from £59, lock changes from £75
- • No call-out fee — fixed price before we start
- • DBS-checked, fully insured, 12-month guarantee
Locksmith services in Greenwich
Everything lock-related in Greenwich. Except car keys.
Read more
02
Lock Change & Replacement
New tenancy or lost keys in Greenwich? Lock changes from £75, insurance-approved cylinders and deadlocks on the van.
From £75
03
Burglary Repair & Boarding Up
Broken into in Greenwich? Same-day boarding up, frame repair and new locks, plus a written report for your insurer.
04
uPVC & Composite Door Lock Repair
Stiff handle or a uPVC door that won't lock in Greenwich? Mechanism repaired or replaced and the door realigned in one visit.
05
Moving House Lock Change
One visit, every door, one key: whole-house lock changes for Greenwich movers and landlords.
06
Commercial & Security Upgrades
Smart locks, keyless entry and a free security survey for Greenwich businesses and landlords.
How it works
Ring, we ring back, sorted.
- 1Ring or fill the form
Tell us what's happened and roughly where you are. We give you a fixed price and an honest arrival time.
- 2Engineer rings you back
A local DBS-checked engineer calls within minutes to confirm and tells you when he's on his way.
- 3Sorted, guaranteed
Door opened without damage or new British Standard lock fitted. Price as agreed, receipt and 12-month guarantee.
Reviews
What Greenwich customers say
“Snapped the key in the lock on a Sunday morning. Out within the hour, key extracted, new cylinder fitted, and the chap even oiled the hinges while he was at it.”
Eleanor W. · Greenwich · Snapped key · 5 days ago
“We'd just bought the house and wanted every lock changed. One visit, keyed alike, and a proper explanation of what BS3621 actually means for the insurance. Very reassuring.”
Graham T. · Greenwich · Moving house · 2 weeks ago
“Honest to a fault — told me the lock could be repaired rather than replaced and charged accordingly. Rare these days.”
Nadia K. · Greenwich · Lock repair · 3 weeks ago
We don't do car keys. Cosmo Locksmith is a home and business locksmith. For vehicle lockouts or key programming you'll want an auto locksmith.
FAQ
Questions people ask us
Are your locks insurance approved?+
Yes. We fit BS3621 mortice locks and TS007 anti-snap cylinders, which is what most home insurers ask for, and give you a dated receipt showing the grade.
Are your engineers local to Greenwich?+
Yes. Our engineers are based in and around Greenwich, which is how we get to you quickly. They're DBS-checked, fully insured and carry ID.
Will you damage my door getting in?+
Almost never. Our engineers are trained in non-destructive entry and open the vast majority of locks with no damage. If a lock does have to be drilled, we tell you first and fit a new one on the spot.
Can you make all my doors use one key?+
Yes. Keyed-alike cylinders mean one key for the front, back and side doors. We do it on the spot during a lock change.
I've been burgled in Greenwich — what do I do?+
Ring the police for a crime reference number, then ring us. We'll secure the property the same day, repair the door and frame, fit new locks and give you a written report for your claim.
Need a locksmith in Greenwich? Give Cosmo a ring.
Cosmo Locksmith · Greenwich · 24 hours