Emergency Lockout Service
Lost, snapped or locked-in keys anywhere in Gravesend — we get you back inside fast, day or night, no call-out fee.
From a lost key at midnight to a full lock change the day you complete on a house, Cosmo covers Gravesend with DBS-checked engineers and vans stocked with British Standard locks. Fixed price before any work, every time. Call 07897 033 938.
Usually with you in 20–40 minutes in Gravesend, 24 hours a day
Name, number, address. A local engineer rings to confirm and tell you when he's on his way.
13 New Road, DA11 0AA
07897 033 938Open 24 hours, 7 days a week, bank holidays included.
Lost, snapped or locked-in keys anywhere in Gravesend — we get you back inside fast, day or night, no call-out fee.
New tenancy or lost keys in Gravesend? Lock changes from £75, insurance-approved cylinders and deadlocks on the van.
Priority response for Gravesend break-ins: secure tonight, repaired properly, paperwork sorted.
Stiff handle or a uPVC door that won't lock in Gravesend? Mechanism repaired or replaced and the door realigned in one visit.
Moving to Gravesend? Every external lock changed on completion day, all keyed alike, insurer-approved.
Smart locks, keyless entry and a free security survey for Gravesend businesses and landlords.
Tell us what's happened and roughly where you are. We give you a fixed price and an honest arrival time.
A local DBS-checked engineer calls within minutes to confirm and tells you when he's on his way.
Door opened without damage or new British Standard lock fitted. Price as agreed, receipt and 12-month guarantee.
“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.”
“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.”
“Honest to a fault — told me the lock could be repaired rather than replaced and charged accordingly. Rare these days.”
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.
Yes. Keyed-alike cylinders mean one key for the front, back and side doors. We do it on the spot during a lock change.
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.
No. We're a home and business locksmith and don't cut or programme vehicle keys. For a car lockout you'll want an auto locksmith.
No. You pay for the work, not for us turning up. The engineer confirms a fixed price on the phone before he sets off, and that's the price you pay.
Yes. Our engineers are based in and around Gravesend, which is how we get to you quickly. They're DBS-checked, fully insured and carry ID.
Cosmo Locksmith · Gravesend · 24 hours