Lock replacement
Lock Replacement in Bournemouth for Front, Back and Internal Doors
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- 24-hour emergency cover
- No call-out charge
- Price agreed before work starts
Need a Door Lock Replaced in Bournemouth?
HD Locksmiths Bournemouth supplies and fits replacement locks for front doors, back doors, internal doors and communal entrances across Bournemouth, usually in a single visit.
The usual triggers are a recent house move, lost or stolen keys, and a lock that has worn out or been damaged. There is no call-out charge, and the price is agreed before work begins.
Which Part of the Lock Actually Needs Replacing?
A door lock is usually several components rather than one, even though most of us talk about it as a single item. When it stops working properly, it is quite possible that just one of those parts is at fault and the others are perfectly sound.
The cylinder, or barrel
The cylinder, sometimes known as the barrel, is what your key goes into. Many uPVC, composite and aluminium doors are equipped with euro cylinders. Changing the cylinder alone gets you a fresh set of keys, with no change to the working mechanism or the rest of the hardware. You may also be able to choose keyed-alike cylinders or a thumb-turn, depending on the door and the product selected.
The lock case or mechanism
The working parts are housed in the lock case. In a timber door that may be a mortice lock case; uPVC and composite doors may use a gearbox that drives a multipoint locking strip. This internal mechanism takes more effort to replace than a cylinder, and replacing it may be necessary when the internals fail while the cylinder can still be used.
The whole lockset
A complete lockset may cover the cylinder, the mechanism, the handles and other fittings. Changing everything may be the sensible route if several parts are damaged, compatible replacements are unavailable, or the door calls for a security upgrade.
Assessing the parts first finds the one that failed and keeps serviceable components where they are. Further reading: uPVC door lock service,.
Lock Types Found on Bournemouth Homes and Businesses
Door types have their own locking systems, so the replacement depends on the door, its current hardware and the component that failed.
Euro cylinders
Swap the euro cylinder on a uPVC, composite or aluminium door and you get new keys, with the rest of the mechanism unchanged. Size it wrongly and the extra projection can reduce security. Depending on door and product, keyed-alike or thumb-turn cylinders may be possible.
Internal door locks
Internal timber doors may carry mortice latches, sashlocks or privacy locks, reflecting the room's use and whether a key, handle or privacy function is needed.
Mortice locks
A mortice lock goes into a timber door's edge, its case housed within the door rather than on top. Some timber final-exit doors use five-lever mortice locks certified to BS 3621. The standard required can differ, so check your insurance policy.
Nightlatches
Surface-mounted inside many timber doors, a nightlatch is what people call a "Yale lock", though Yale is a brand and not a generic name. The rim cylinder may be replaceable without a whole new nightlatch, condition allowing.
Composite door locks
Typically a euro cylinder working with a multipoint mechanism. Replacing the cylinder may not mean replacing the longer mechanism; the existing hardware, its dimensions and the failed component decide.
Multipoint mechanisms
The long locking strip in a uPVC or composite door edge secures it at several points. A complete mechanism is more work to replace than its cylinder and must suit the hardware already fitted.
When Should You Replace a Lock Rather Than Repair It?
A replacement is not the automatic answer to a faulty lock. Some faults respond to repair, adjustment or the change of a smaller component, and dependable operation returns. Which way to go depends on the failed component, the extent of the damage and whether the current lock remains secure, and that is why we assess the lock and door first.
Replacement is usually the right call
Your keys have been lost or stolen and you cannot say where they are. You have just moved into a property and want the previous keys disabled. The cylinder or internal components have been inspected and found worn past reliable repair. A forced entry has left the lock, or part of it, damaged beyond repair. Your insurance policy requires a lock standard the existing lock does not reach. For each of these situations, a new set of keys comes with a replacement key-operated cylinder or an entirely new keyed lock.
Repair is often enough
The lock is smooth with the door open and awkward with it closed. The lock continues to function despite looseness in the handle. Although the key is stiff, the cylinder proves serviceable on inspection. A slight drop in the door has left it out of alignment with the frame. Problems like these often come down to alignment, the handle or a straightforward repair, not a full replacement, though an inspection is still required to find the cause.
Changing the Locks After Moving to a New Home
Getting the keys to a new home is a good moment to review access to it. The keys you are handed may not be the only ones: copies could still sit with previous owners, tenants, estate or letting agents, or contractors, and the number made is rarely known.
Swapping the external cylinders makes any existing key unusable and puts you in charge of a brand-new set. If the doors share compatible locks, keyed-alike cylinders may be available so that a single key opens more than one entrance, which saves carrying a separate key for the front, back and side doors. Many homeowners are unaware that this is possible, and it is one of the best reasons to do all of the external doors at once after moving house rather than one at a time.
The Security Standards Your Insurer May Expect
A common assumption is that a five-lever lock automatically keeps an insurer satisfied. It does not: a five-lever lock is not automatically BS 3621 certified, and the relevant standard marking is what to look for.
Some home insurance policies specify the type or security standard of lock required on external doors, but the requirements vary by insurer, policy and door type. For a suitable timber final-exit door, a policy may specify a mortice lock or nightlatch certified to BS 3621. On uPVC, composite and aluminium doors, which often use euro cylinders, recognised anti-snap ratings include TS 007 3-star and SS312 Diamond. Choosing a suitable option depends on the door already in place, along with its handles and locking system.
Treat "insurance approved" with some care. It does not establish that a particular lock is accepted by all insurers; your insurer sets the requirements of its individual policy, although a product may hold certification to a recognised security standard. Identifying the lock you already have, and any security markings visible on it, is something we can do. Check your policy wording or ask your insurer before choosing a replacement, since the insurer should confirm whether a particular standard meets your policy conditions. Our guides explain BS 3621 door locks and anti-snap door locks.
How Does the Job Work?
The process is the same whether it is a front door cylinder or a back door mortice lock:
- You let us know the kind of door and what the issue is, adding a photo of the lock if you are not certain what is fitted.
- We pinpoint the part that needs replacing and give you the price.
- You are given all of the new keys.
One visit is usually enough for a single lock replacement.
Locksmith pricing
Replacing Locks When Keys Are Lost or Stolen
A missing key is only a problem if someone else could use it. That is why a lock replacement is not always required after a loss: it depends on where the key disappeared, whether it was stolen and whether it could be connected with where you live.
Entry to your home may still be possible with keys whose whereabouts are genuinely unknown. Another cut key will let you in again, but the missing copies would still turn the existing lock. Doors with a separate replaceable cylinder may only need that cylinder changed. Doing so makes every key for the old cylinder unusable and hands you a new set, while the handles and other door hardware that remain serviceable can stay put.
What affects the cost?
Service required, time of attendance, lock and door type, labour and parts.
Locksmith pricing
Lock Replacement Cost: What Affects It
Rather than a one-size price, a lock replacement is quoted on what the job actually involves. Call, describe the door and the fault, and you will be given a price there and then. You will not pay a call-out charge.
What moves the price:
You pay for the work carried out, any parts needed, and VAT. Rates outside Monday to Friday, 7am to 6pm, are higher, but the call-out itself is never charged.
Scope of the replacement.
Changing a cylinder is a different job from changing a case or an entire mechanism.
Security level.
The rating of the replacement you pick plays a part.
Door construction.
Different door types take different hardware.
Number of doors.
One lock or every external door.
Timing.
The hour and day the work is done.
Lock Replacement Across Bournemouth
Replacements are booked as appointments for homeowners, landlords, letting agents and business premises across Bournemouth, so the visit fits your day.
Appointments cover Pokesdown, Moordown, Winton, Charminster, Springbourne and Boscombe, plus every postcode in the BH1 to BH11 districts and the parts of BH13 around Bournemouth. The housing is old as well as flats-heavy: 47% of homes were built before 1940 (15.9% before 1900 and 31.5% from 1900 to 1939), and 8.2% from 2009 on (VOA council tax property stock, 31 March 2026). Older timber doors often carry mortice locks, while communal entrances and flat doors are common with 48.2% of households in flats (Census 2021, ONS). The technician checks the door before anything is fitted.
Emergency and planned locksmith services
Book a Lock Replacement in Bournemouth
Call 01202 935089 to book a time that suits you. There is no call-out charge, and you hear the price before anything starts.
- Phone: 01202 935089
- Booked work: Monday to Friday, 7am to 6pm
01202 935089
Frequently Asked Questions
Do I need a whole new lock or just a new barrel?
Probably just the barrel. Most uPVC, composite and aluminium doors use a euro cylinder, and changing that cylinder alone restores a working lock with new keys. Replacing the entire mechanism is reserved for cases where the lock case or gearbox inside the door has failed; it involves more work and is needed less frequently. We quote from what you describe on the call, and that price stands unless the job differs on site; any change is explained before work begins.
How long does it take to replace a door lock?
It depends on what is being changed and what the job involves. Replacing only a cylinder is generally a smaller undertaking than changing a mortice lock case or multipoint mechanism. The time can also vary with the door's condition and whether a matching replacement can be obtained.
Should I change the locks when I move house?
It is worth doing. You cannot tell how many keys exist for the property or who still holds them, whether previous owners, tradespeople, letting agents or former tenants. Replacing the external cylinders means only the keys you hold will work. It is planned work, booked on a weekday, with no call-out charge and the price agreed beforehand.
I have lost my keys. Do I need the lock replaced or just new keys cut?
A new cylinder is the secure option when keys are stolen or lost outside the house. Getting a duplicate cut only solves your problem of getting in; the missing keys still turn the current lock. Swapping the cylinder renders every earlier key useless and you receive a fresh set with it. It is a judgement call based on where the keys were lost, whether they were stolen and whether someone could link them to your home.
Will a new lock meet my home insurance requirements?
That comes down to what your policy says. Some home insurance policies specify a British Standard BS 3621 lock for timber final-exit doors, or a suitably rated cylinder for uPVC and composite doors. Insurers, door types and policies all differ, so read the wording or ask your insurer. A product being called "insurance approved" only means it meets a certified standard; your insurer decides what counts.
What is an anti-snap lock and do I need one?
An anti-snap lock resists lock snapping, a way of breaking in by snapping the barrel in two. Its cylinder will usually carry a recognised UK rating such as TS 007 3-star or SS312 Diamond. Whether it is necessary depends on the door and on your insurer. It is one of the more worthwhile upgrades for uPVC and composite front doors and can be fitted in a routine cylinder replacement.
How much does it cost to replace a door lock in Bournemouth?
The cost depends on which part is replaced, the security rating you choose, the door type, how many doors there are and the time of day. A cylinder swap is usually cheapest and a full multipoint mechanism the most. Each job is priced on the call from what you describe, and if anything on site changes that price you are told before any work begins. There is no call-out charge.
Can you replace locks on a rental property between tenancies?
Yes. Changing external cylinders between tenancies is routine and can normally be booked around a changeover date. About 44% of Bournemouth households rent (33.5% privately, 10.4% social; Census 2021, ONS), so landlords and letting agents often need several properties done together, and that can be arranged across multiple addresses. Every changeover is priced first, with no call-out charge.
Still have a question or need urgent assistance? Call 01202 935089, tell us what has happened and receive a current arrival estimate.