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Great rating - 4/5 (13330+ reviews)
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"Excellent performance wnd great customer service. "
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"The best . Very well job done. Nice and economical "
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"Very friendly, punctual and I’m happy with the results!"
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"Gulzar was brilliant. Super responsive and did a perfect job."
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"Great job - very pleased with my back door window panes - they look excellent thank you :) "
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"A great service. Leroy was able to turn up in a short window of time and did a great job. Would thoroughly recommend. "
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" Eddy was great! Very helpful and friendly "
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Recent Lock Installation reviews in South London
Installed two door handles for me, very friendly, fast and efficient. I bought the wrong attachment with the handles and he was thoughtful enough to order some for me and came back in the same week to finish the job. Truly appreciate his honestly and quality of work.
Door handle replacement
£25
👌👌👌great service very reliable
Replace 1 front door lock
£35
He’s very good at what he does. He did my job very well and I’m very happy
Install door locks on 3 bedroom doors and install a door on storage
£100
Job was completed to perfection . Highly recommend will be using Sean again 10/10
Lock installation
£40
Great communication. Very helpful. Did a great job
Replace an exterior door key lock with a new thumb-turn lock system
£60
Anthony was knowledgeable and gave me lots of tips, and I really appreciate him fitting me in at a days notice!
Install new thermostat for boiler ASAP
£130
What's the average cost of a Locksmith in South London
£85 - £140
low
£85
median
£100
high
£140
Average reviews for Lock Installation Services in South London
based on 14 reviews
5
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Locksmith Services
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What do lock installation services include?
If you’ve just moved into a new home, consider replacing its old locks and installing new ones. Whether it’s a traditional deadbolt lock or a keyless entry system, you can find a Tasker who can fit and install the best lock for your home. Below is the possible range of services that you can look forward to:Â
Lock fitting
A professional locksmith can help properly fit a lock to your door or window. Remember that there are different types of locks that work best with certain kinds of doors and windows. For example, a UPVC door lock functions best with a patio door or screen door.Â
Consult with your Tasker with what lock options you can choose from. Using their tools, they can fit the lock perfectly into your barrier or aperture.Â
Door lock installation
Most mobile locksmiths are trained in residential lock installation and help properly install locks to your front door, patio door, and bedroom doors. If you own an office or a retail space, then your mobile locksmith can also repair, replace, and install new locks for your building or store.Â
Keep in mind that replacing your locks can ensure the security of your home and prevent break-ins.Â
Car lock installation
Want an upgrade on your car’s security system? Hiring a Tasker can help ease the stress of fitting and installing a brand new lock on your vehicle. Depending on what you need, your Tasker can help replace or fit a lock on your car door or trunk or even install a central locking system.Â
For parents, you can also babyproof your vehicle and have your Tasker install childproof locks.
Electronic lock installation
Even the oldest or simplest homes can boast top-of-the-line security systems. With Airtasker, you can find a mobile locksmith who can install electronic locks such as keypad locks, Bluetooth locks, magnetic door locks, and more.Â
Your Tasker can also smoothly install keyless entry systems, so you can move in and out of your property with ease (and without fumbling with your key chains every single time!).
High-security lock installation
High-security lock systems protect against robberies or any other method of trespassing and attack. Your mobile locksmith can help install a heavy-duty lock that can withstand picking and drilling.Â
If you’re looking to upgrade the security of your property with video surveillance and alarms, consider hiring a security system installer near you.
Recent Lock Installation tasks in South London
Mortice deadlock, peep hole and door guard installation
£80
Mitcham, Greater London
22nd Aug 2026
I need a mortice deadlock, peep hole and a door guard installed quite quickly please as my handyman is away for summers The items will be installed first time and its not a replacement
Window lock gearbox/shootbolt replacement
£20
Norbury, Greater London
6th Aug 2026
Bay UPVC window Saracen Deadlock Window Lock Gearbox is broken. I have the replacement and the shootbolts Looking for someone who is in the window trade to replace these for me
Fix the lock and install a new barrel bar
£70
West Wickham, Greater London
30th Jul 2026
I have 2 small tasks to be done- 1. The lock shown in the picture does not work. I have tried changing the cylinder lock, but still won't work, it will need changing of the multi point gear box. 2. The barrel handle bar in the picture needs to be installed on one of our doors
Multi lock strip installation for house door
£110
Croydon, Greater London
24th Jun 2026
Need someone experienced to help install a multipoint door locks to replace a faulty multipoint locking mechanism strip on a composite/uPVC front door. The existing lock strip has been removed and I will be supplying the replacement lock strip. I also need a new euro cylinder lock fitted if you can supply this and fit. Work Required: * Install replacement lock strip supplied by customer * Supply and Fit new euro cylinder lock * Check and adjust door alignment if required * Test that all hooks, latches and locking points operate correctly * There is a hole under the handle so some filling/repair around the handle area will be needed - can be seen in photo * Minor repairs on the door frame, can be seen in photo Location: Croydon.
Install bedroom door handle with external lock
£50
South Wimbledon, Greater London
22nd Jun 2026
I would like to have a lock installed on 1 bedroom door so I can lock it from the outside. This is so the room can be locked and kept private while I Airbnb the spare room and flat. The current door handle is round and if easiest to put a lock on this then good. Or install a lever handle as per my other rooms but with a lock. For some reason the previous renters swapped the handle from lever to round. I can be in from 3:45pm on tues
Very helpful, polite friendly and professional
Install mortice deadlock
£100
Earlsfield, Greater London
5th Jun 2026
Install a single mortice deadlock on internal door. I have already purchased the lock.
Great work and tidied up nicely
Carpenter to install locks on two doors
£200
Thornton Heath, Greater London
24th May 2026
Hi, I’m looking for a locksmith or carpenter to install two internal key locks on bedroom doors within my property as soon as possible. I would like secure locks fitted that can be locked/unlocked with a key from the outside and safely opened from the inside. Please provide availability, approximate costs, and whether you can supply the locks or if I need to purchase them separately. Property located in London. Thank you.
Perfect work. Thank you.xx
Supply and install a keysafe
£10
Belmont, Greater London
20th May 2026
This is an enquiry as a professional to see if this is something that (a) can be done, (b) be done quickly and (c)what would it cost? Many thanks
New lock installed in door
£150
Collier's Wood, Greater London, SW19
30th Apr 2026
Wooden exterior door with a mortice lock that has been poorly installed. The lock is misaligned with the frame, the key is stiff to turn, and it often doesn’t engage properly. Likely requires repositioning or replacing the mortice lock, adjusting the strike plate, and filling previous fixing holes for a secure, properly aligned fit. Please quote for repair vs replacement (including a BS3621 lock if needed). Can update with photos tomorrow. Thanks for great offers, here are the photos which show detail of the door.
Nasser was knowledgeable about what was needed for the job, worked cleanly & efficiently doing extra elements to make sure the door closing worked smoothly. Extremely happy to have booked him.
Replace lock on letterbox
£110
Summerstown, Greater London
24th Apr 2026
Need lock on postbox replaced.. I tried to drill it unsucessfully so, sorry about that!
I need help hanging a door and then installing a lock on the door
£100
Anerley, Greater London
16th Mar 2026
I need to remove an old bedroom door and install a new one…I then need to install a door handle (this is the tough part for me). I can help.
Would recommend Leroy 100%!
Install a lock for bedroom - fire door
£80
Anerley, Greater London
13th Feb 2026
We have the lock and we need it installed in our master bedroom
Locksmith to replace door handle
£25
Hackbridge, Greater London
13th Feb 2026
Replace simple door handle with a lock handle (with key)
Friendly, reliable and efficient work.
Mailbox lock replacement
£30
Croydon, Greater London
11th Feb 2026
mail box replacement - new locks available just need fitting
Hang Interior Double Door and Install Hardware and Locks (only labour)
£300
Morden, Greater London, SM4
8th Jan 2026
We have a studio in South Wimbledon and we want to change the doors. They're a set of double doors that we would supply as well as the hardware and locks. Putting the feels out for cost.
Install a door lock on bedroom door
£100
Tooting Bec, Greater London, SW17
23rd Dec 2025
Wooden door for 1st floor bedroom, no locks on the door or knob currently.
Pavlo was very friendly and got the job done very quickly.
Install a lock for an internal door
£60
Spring Park, Greater London
6th Dec 2025
I would like to fit a lock for an internal door. I am open to advice on which type of lock to supply for fitting.
Install door, handles, and locks x2
£105
Norbury, Greater London
14th Nov 2025
x2 door, handles and locks installed, and existing doors removed
Upvc door handle replaced
£80
Thornton Heath, Greater London
9th Nov 2025
Upvc door handle key lost need to change the door handle Small upvc window key lost need to change small handle





