If a locksmith overcharged you for a simple job, there is a route to complain, gather evidence, and ask your payment provider about getting your money back. The Master Locksmiths Association notes that they have seen some customers ending up with bills over £500 for a quick lock out job. Because there is no government licensing of locksmiths in the UK, anyone can trade as one and there is no official regulator to step in automatically. You must take action yourself to recover your funds.
First decide how bad the overcharge is
Under the Consumer Rights Act 2015, a service must be carried out with reasonable care and skill. If no price was agreed beforehand, the law states the work must be done at a reasonable price and within a reasonable time. You have a legal right to have poor work put right or get your money back.
If you were not clearly told the cost before work started, or how the total was calculated, you have strong grounds to challenge the final bill. Many disputes happen when a customer is quoted a low figure on the phone that multiplies on the doorstep.
Remember that fair prices do vary based on several factors. Price is driven by the time of day, as evenings, nights, weekends and bank holidays cost more. Location also matters, with London and the South East costing more. Most single lock changes and lockouts take well under an hour, so a massive labour bill for a simple job is a clear warning sign.
How typical locksmith pricing works
To prove you were overcharged, you need to understand how the trade normally prices a job. Jobs are usually priced as labour plus parts, either by the hour or as a fixed price per job. Many locksmiths charge no separate call-out fee but some do, and VAT may or may not be included.
You should always get a total price, including parts, VAT and any out-of-hours charge, before work starts. If the locksmith refused to give a price before starting, this strengthens your complaint.
The type and security grade of the lock also drives the price. For timber doors, a mortice deadlock or sashlock is fitted inside the door, while a night latch or rim lock is the surface latch often called a Yale lock. A night latch takes a rim cylinder, and locks can be keyed alike so that one key opens several of them.
High security locks cost more than basic ones. For timber doors, you should look for BS3621, which is the British Standard shown by a Kitemark on the lock faceplate. For uPVC and composite doors, the snap-resistant standards for a euro cylinder, which is the barrel on the door, are TS007 three star, or a one-star cylinder with two-star handles, and Sold Secure SS312 Diamond.
Common tactics that lead to an unfair bill
Understanding exactly how you were overcharged will help you explain it to your bank or a court. A frequent problem is national call centres advertising as a local locksmith and passing the job to whoever is nearest. These operators often quote a very low price on the phone that multiplies on the doorstep.
They may arrive with no ID in an unmarked vehicle and demand cash only, providing no invoice and no company name or address. This makes it vital to spot a rogue locksmith before you let them in.
Another common tactic is drilling a lock that could have been opened without damage. A good professional will attempt non-destructive entry, such as picking or bypassing rather than drilling, to save you money.
Dishonest traders may also replace a whole multipoint locking mechanism, which is the strip of hooks and bolts worked by lifting the handle, when only the euro cylinder or the gearbox had failed. The gearbox is just the central part of that mechanism, and replacing the whole strip unnecessarily inflates the bill. They might also fit cheap cylinders at premium prices, or charge excessively for boarding up a broken window.
Gather your evidence before you complain
To prove you were overcharged you need a clear record of what was agreed and what was done. Card providers and official bodies will typically need proof of the overcharge before they can help you.
Gather this information as soon as the locksmith leaves so nothing is lost or forgotten. Some locksmiths fail to provide receipts despite requests, so you must keep whatever documentation you do have.
Make sure you keep these specific records to build your case:
- Adverts that led you to the locksmith
- Invoices and receipts given to you
- Messages exchanged with the locksmith
- Photographs of the completed work
- Quotes or any written record of the agreed price
- The VAT number and sort code from the invoice
- Bank statements showing the exact payment
Check whether the locksmith is approved
The Master Locksmiths Association is the main trade association for the industry. It runs a voluntary approval scheme where approved companies are vetted, have criminal record checks, employ locksmiths who have passed the association exam and are inspected regularly.
Because there is no legal requirement to join, complaints about non members are more challenging. The association has no control over non members, so they cannot force them to refund you.
The first step is to check membership using the Find a Locksmith tool on the association website. This will tell you immediately whether you are dealing with a vetted professional or an unregulated trader.
If they are a member, the association states it will investigate pricing complaints about its approved members. This gives you a route to challenge the bill without going to court, though the outcome is not guaranteed.
Complain to the locksmith in writing
Whether the firm is approved or not, you must try to resolve the issue with the locksmith directly first. Make reasonable attempts to contact them and outline why the bill is unfair under consumer law.
Keep your communication in writing so you have a record of their response. If they refuse to give a price breakdown or ignore your emails, this serves as evidence for your bank or Trading Standards.
If the locksmith is an approved member and your direct attempts fail, submit the complaint in writing to the Master Locksmiths Association. Provide them with your invoice, photos and a clear explanation of what went wrong.
If the locksmith is not a member, you must still make reasonable attempts to resolve it directly. If that fails, you will need to escalate the matter to your payment provider or consumer protection bodies.
Ask your bank or card provider to step in
How you paid makes a huge difference to how easily you can recover your money. Contact your payment provider as soon as you realise the bill was unfair. Card providers and banks have specific processes for disputed payments, but they will usually want proof of the overcharge.
You have different recovery options depending on your payment method:
- Bank transfer using Faster Payments: contact your bank immediately and ask whether the APP scam process applies.
- Credit card: contact your provider as Section 75 may apply.
- Debit card: ask your bank for a chargeback.
These processes depend on the exact rules of your specific bank and the evidence you provide. Act quickly, especially with bank transfers, as delays can make it harder to recover the funds.
If you paid in cash, you lose the protection offered by banks and card providers. This can make recovering your money harder, and the small claims route may then be the main option.
Get an independent estimate of a fair price
To prove to a bank or a court that the price was unreasonable, you need professional evidence. You cannot simply claim the bill felt too high.
The Master Locksmiths Association recommends getting a written estimate from an approved locksmith to show what the job should have cost. This estimate can help show the difference between what you paid and a reasonable charge.
Find a local approved firm, explain the situation and ask if they will provide a written assessment based on your photographs and invoice. They will look at the type of lock, the time of day and the work required.
Always agree any fee for this written estimate before they start writing it. Card providers will typically need proof of the overcharge, and this document is the kind of evidence the MLA recommends for that.
Report it to Citizens Advice and Trading Standards
If you cannot resolve the dispute directly or the locksmith ignores you, you can take the matter to consumer protection bodies. The Master Locksmiths Association notes that contacting Trading Standards first is often more efficient because Citizens Advice usually refers complaints to them anyway.
Trading Standards offices have been contacting the association directly about overcharging complaints. You can reach the Citizens Advice consumer helpline on 0808 223 1133, or by textphone on 18001 0808 223 1133.
The helpline is open Monday to Friday, from 9am to 5pm, excluding bank holidays.
The service states it is unable to make a complaint for you to a trader, take legal action or make a complaint to Trading Standards on your behalf. They provide advice, but you must take the action yourself.
Small claims as a last resort
If the locksmith refuses to refund the overcharge and your bank cannot help, you can apply to a county court to claim money you are owed by a person or business. This is commonly known as the small claims court.
If you were not clearly told the cost beforehand, or how the total was calculated, you may be able to claim the difference between what you paid and a reasonable charge. This is where your independent written estimate becomes vital evidence.
Online money claims through GOV.UK are available for amounts under £10,000. The process is designed for people without legal representation.
You may not need a court hearing if the other side agrees to pay or you reach an agreement through mediation. Depending on the amount you are claiming, the court may organise free mediation to help settle the dispute early.
Report misleading adverts and check the VAT number
Some overcharging complaints start with misleading adverts from national call centres posing as local businesses. If the overcharge came from a misleading advert, report the scam advert to the Advertising Standards Authority.
You should also verify the VAT number on your invoice with the HMRC VAT checker.
If the VAT number is not genuine, report the charge to the locksmith's bank as suspected fraud. You can find the bank's sort code on the invoice you were given.
Checking the VAT number takes a few minutes and gives you a further point to raise with your bank.
Common questions
Can I cancel the work if I change my mind?
Under the Consumer Contracts Regulations 2013 there is normally a 14-day cancellation period for work arranged at home or by phone. This does not apply where you specifically asked for a visit for urgent repairs. Extra work sold during that visit is not covered by the exception.
What happens if they drill my lock unnecessarily?
A good professional will usually use non-destructive entry methods rather than drilling. If a lock was destroyed when it could have been opened without damage, this may breach the requirement to work with reasonable care and skill. You can use this as part of your complaint if you are wondering whether a locksmith should drill your lock in the first place.
Will my home insurance cover the bill?
Insurers often ask what locks are fitted, so you must check your own policy wording to see what is covered. Cover varies, so ask your insurer before you pay or claim.
Can a landlord change the locks and bill the tenant?
A landlord who changes the locks to keep a tenant out without a court order commits illegal eviction, which is a criminal offence. Tenants should check their tenancy agreement and get the landlord's agreement before attempting to change the locks on a rented home. Keep legal disputes separate and point your questions to Citizens Advice or Shelter for your own situation.
What if an auto locksmith overcharges me?
Auto locksmiths are a separate specialism covering vehicle entry, key cutting, transponder and remote programming. If you are overcharged for a car key that has stopped working, the same consumer rights apply. You should gather your evidence and follow the same complaint route.
What is lock snapping and does it cost more to fix?
Lock snapping is a destructive method used by burglars to break a basic euro cylinder. If your lock was snapped, you will need a replacement cylinder that meets modern snap-resistant standards. These secure locks cost more than basic ones, but a massive labour charge on top is still grounds for complaint.
Next steps for your complaint
Follow this checklist to get your complaint moving:
- Write down everything that was said and agreed before the work started
- Check the association website to see if the firm is an approved member
- Contact the locksmith in writing to dispute the final bill
- Call your bank or card provider to start a fraud or chargeback claim
- Ask a local approved locksmith for a written estimate of a fair price
- Call the consumer helpline if you need further guidance
Taking action against an unfair bill is stressful but the law gives you clear ways to challenge it. If you need an independent professional to assess the work or secure your property properly, find a locksmith near you who is vetted and transparent about their prices.
Find a top rated locksmith near you
1,787 locksmiths across the UK, each ranked on their Google rating and the number of reviews behind it. Start with your county:
