Lock installation
Lock Installation in Farnborough
Call with your postcode for a current arrival estimate.
- 24-hour emergency cover
- No call-out charge
- Price agreed before work starts
Need a New Lock Fitted in Farnborough?
Wilds Locksmiths Farnborough supplies and fits new locks on doors, windows, outbuildings and gates across Farnborough, including British Standard and high-security locks where an insurer requires them. If your policy names a lock standard, tell us what it says and we fit to it.
Callers usually have a door with no lock or just one, an insurance upgrade to meet, a new or replacement door to fit out, or an internal room, office, outbuilding or gate to secure. There is no call-out charge.
Is It Fitting a New Lock or Replacing an Existing One?
When a door gains a lock it never had, or moves to a different type or standard, that is installation; when an existing lock is exchanged for an equivalent, that is replacement.
When a lock needs to be fitted
- you want a secondary lock on a patio or French door
- the door has been newly hung, replaced or is brand new
- you are upgrading to a British Standard or anti-snap lock
- an internal room, office, outbuilding, shed or side gate has no lock
- the door has no lock, or relies on a nightlatch when the insurer wants a deadlock fitted as well
We start with the door: what it is, where it is and how it will be used. A new lock may be appropriate if it lacks suitable locking hardware, needs another lock or has to give key-controlled access, and a freshly fitted door may require a compatible lock, cylinder, handles or other hardware. The door and frame must be checked before we can tell which lock types and positions may work, because material, thickness, construction and intended use set the specification. If the configuration allows it and another locking point is needed, an additional lock may be fitted, after we consider the existing hardware, fitting space and any written security requirements. Every recommendation covers the full door and lock arrangement.
If you need a lock replaced instead
Missing or stolen keys, a recent move, a worn lock or a forced door; for those, go to our lock replacement page.
BS 3621, BS 8621 and PAS 3621: Which Standard Applies to Your Door?
Three standards cover most domestic door locks, and they are not interchangeable. "Insurance approved" is only shorthand: BSI certifies a lock to a standard, while each insurer decides what its own policy requires. There is no single standard every insurer follows. Many of the largest UK insurers take guidance from RISCAuthority, yet each sets its own conditions, which is why two similar houses can be asked for different things. Some policies specify a standard by name, so check your policy wording before a lock is chosen.
| Standard | How it operates | Where it is usually used |
|---|---|---|
| BS 3621 | Key from both inside and outside | Timber final exit doors |
| BS 8621 | Key outside, thumbturn inside, so no key is needed to get out | Flats, HMOs and other escape routes |
| PAS 3621 | The equivalent standard for multipoint locking | uPVC and composite doors |
Fire doors, flat entrances and communal doors A lock on any of these must be compatible with the door's fire-safety and escape requirements, and fitting it must not stop the door closing properly or reduce its resistance to fire and smoke. The work has to protect: - fire and smoke resistance - the door, frame and essential seals - reliable self-closing - keyless exit where it is required - safe access for other occupants
Approval may be needed if the door is in a rented or leasehold property, belongs to a flat in a managed building, serves a communal entrance or shared area, or is a designated fire or escape-route door. If the door's status is unclear, guidance from a competent fire-safety professional may be needed.
Important: when you first enquire, please identify any fire door, flat entrance or communal door involved. For more detail, read BS 3621 and insurance-approved locks explained.
Your Lock and Your Insurance Requirements: Does It Meet Them?
Here is a check worth doing before you read any further: find the main lock on your front door and look for a marking. Many people assume their locks meet their policy, and a surprising number discover they cannot prove it.
Where the cylinder is the lock
If your door is uPVC or composite, you will be looking at a euro cylinder. These come in different sizes and security ratings, and a basic one is easily snapped, which is why it is such a common attack. Depending on the product, certification may include a TS 007 star rating or an SS 312 Diamond rating; the mark normally sits on the cylinder face. The cylinder must also be compatible with the lock and correctly sized, and it should be judged together with the handles, protective hardware and the rest of the locking system.
Where it is a mortice lock
On timber doors, the faceplate on the door edge should show a kitemark and the BS number. Do not be reassured by the word five-lever: a five-lever description alone does not confirm that a mortice lock meets BS 3621, and many generic five-lever locks have no certification. Rely on the certification and product markings, because the number of levers alone does not confirm that a lock meets BS 3621.
Why one answer does not fit every door
A lock suitable for one door may not be right for another. It depends on construction, location, use and how people need to get in and out. So, before any options are discussed, we consider whether the door is timber, uPVC, composite or aluminium; whether it is internal or external; its thickness, frame and existing preparation; how users enter and leave; and whether you need one additional lock or a full locking arrangement. Those points tell us which lock types, sizes and fitting methods may suit. If your insurer, landlord or managing agent has given written instructions, they should be reviewed before a product is chosen.
| Standard or rating | Generally indicates | Bear in mind |
|---|---|---|
| BS 3621 | Thief-resistant single-point lock, tested, opened by key from either side | Commonly found on suitable external timber doors |
| BS 8621 | Thief-resistant single-point lock, tested, key from outside and keyless exit from inside | May be the relevant one where keyless egress is required |
| TS 007 / SS 312 | Ratings applied to cylinders and related hardware | Which rating is needed depends on the door and any written requirements |
What applies comes down to the complete door arrangement and how the property is used. Additional factors apply to fire doors, flat entrances and communal doors; the next section addresses these.
Got a written security requirement? Let us have the text ahead of the day of installation. Products that may fit the stated specification can be discussed with you, although only your insurer, landlord or managing agent can confirm it, and they must confirm whether the option we propose satisfies what they asked for. See our uPVC door locks page for full uPVC work, or the anti-snap locks guide for how snapping works.
Locksmith pricing
What Affects the Cost of Fitting a New Lock
No installation price is the same twice. It depends on the lock you choose, the door it is going into and how much that door needs preparing, and a door with no existing provision takes longer than a swap because it must be cut and prepared first. The call-out costs nothing, and the price comes on the call. 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.
| Factor | What we look at |
|---|---|
| Lock selected | Type, size, security rating, any additional hardware |
| Door preparation | Door material, existing openings, work on the door or frame |
| Installation requirements | Number of locks and doors, fitting complexity, appointment time |
Step by step The route starts with the call price, which holds unless the job differs on site, then any inspection, your approval and installation. First, let us know about the door, including its material, location and use, and send photographs of the door, frame and existing hardware where possible, with any written requirements. We use your description to price the job on the call and discuss locks that may suit the door. Before work starts, we agree the specification and work and explain any price change. The new lock is then fitted in the agreed position, and we test the lock, keys, relevant hardware and the way the door operates.
What affects the cost?
Service required, time of attendance, lock and door type, labour and parts.
How Does the Job Work?
Step by step
Your brief
the door, where it is, what needs securing and any written requirement you have received, such as wording from your insurer.
Our recommendation
we discuss options and price the job from your description on the call; any inspection follows, and the price holds unless the job differs on site, with changes explained before work begins.
The finish
the keys are handed to you with a written record of what went in.
Why test with the door shut? Because that is when a misaligned keep or frame puts strain on the lock, and catching it on the day protects the new hardware. Ready to start? Contact us.
Locksmith pricing
The Locks We Fit on Farnborough Properties
Whatever the property in Farnborough, the lock we recommend follows the door: its material, the fitting space available, how it should operate and any security requirement that has been confirmed.
Nightlatch and rim locks
A nightlatch, the lock most people call a Yale, mounts on the inside surface of a suitable door. Models vary in how you get in, get out and deadlock it. Its role as a primary or an additional lock depends on the door, the product specification and how the door is used, and on a final exit door it is usually backed up by a mortice deadlock.
Locks for windows
On accessible windows, especially at ground level, some policies ask for key-operated locks.
Mortice deadlocks
Mortice deadlocks and sashlocks are fitted into the edge of suitable timber doors, with certified products available where a recognised security standard is required. Door thickness, construction, frame and fitting position must be checked before any installation, and cutting a new pocket is skilled work.
Anti-snap upgrades and euro cylinders
Multipoint systems secure uPVC, composite and other doors at several positions, and the euro cylinder operates within them or within a compatible lock case, including on some aluminium or timber doors. A cylinder must be correctly sized and compatible with the surrounding lock and protective hardware, and different security ratings are available where required. We can assess compatible cylinders, handles and components in an existing multipoint system, depending on the door design and compatibility of the replacement parts.
Internal and outbuilding locks, plus gate locks
Bedrooms, offices, stockrooms and storage areas can take key-operated or privacy locks, selected by door construction, frequency of use, required privacy and who needs a key. A secured gate or outbuilding also guards the approach to a hidden rear door.
Share the door details, its location and what you need securing when you call; we discuss options and price the work from that description, with the price holding unless the job differs on site and any change explained before work starts. See window locks, compare common types of door locks or.
What We Fitted: Proof for Your Insurer
Keep a clear record of every new lock installation. It supports future maintenance and replacement parts, it belongs in your property documentation, and it answers the question an insurer may ask after a break-in: what was fitted, and did it meet the policy? Being told the lock was suitable is not the same as being able to show it.
Lock details. What is known about the lock, cylinder or hardware fitted.
Keys and operation. Once the work is finished, the lock is checked for operation and the supplied keys are handed over.
We recommend keeping this with your policy documents.
Lock Fitting Across Farnborough
Fitting is arranged as a booked visit with a security check, not an emergency attendance. We fit locks for homeowners, landlords, letting agents and business premises. Farnborough, with around 60,700 usual residents at the 2021 Census (ONS built-up area), is covered through every postcode in GU14, taking in South Farnborough, North Farnborough, North Camp, Cove, Fox Lane and West Heath.
Doors differ by age: 4.8% of homes were built before 1900, 10.7% from 1900 to 1939, 47.5% from 1945 to 1982, 23.2% from 1983 to 2008 and 12.9% since 2009 (VOA council tax property stock, 31 March 2026). With 23.5% of households in flats, 23.1% in terraces, 32.7% semi-detached and 20.0% detached (Census 2021, ONS), some jobs are a single front door and others a shared entrance. Cove is mostly houses, while North Camp has a high share of private renting (Census 2021, ONS; indicative).
The national planning dataset lists no conservation area in Farnborough, though it has known gaps, so ask the council before altering a door itself.
Emergency and planned locksmith services
Book a Lock Fitting in Farnborough
Call 01252 493213 to fix a time, and ask for your existing locks to be checked against your insurance wording while we are there. There is no call-out charge, and the price comes before work starts.
- Phone: 01252 493213
- Booked visits: Monday to Friday, 7am to 6pm
01252 493213
Frequently Asked Questions
How do I know if my lock meets my insurance policy?
You can usually tell in under a minute. Look for a kitemark and BS number on the faceplate of a mortice lock, or a star rating or Diamond mark on the face of a euro cylinder on a uPVC or composite door. If you find no marking at all, assume the lock does not meet the standard. After that, check exactly what your policy wording requires.
I have a five-lever lock. Is that enough?
Not necessarily. A five-lever description alone does not confirm that a mortice lock meets BS 3621. Generic five-lever locks sold in DIY shops often carry no kitemark and do not meet the standard, and many homes have one fitted by a previous owner without anyone noticing. What counts is the kitemark and BS number on the faceplate, so check the door edge rather than counting levers.
Can you fit a lock to a door that does not have one?
Yes, and it is a common job. Because there is no existing provision, the door must be prepared first: typically a mortice pocket is cut or the door is bored for a cylinder, depending on the lock and the door construction. This takes more time than a like-for-like swap and calls for skill, particularly with composite doors, which are easily damaged.
What is the difference between BS 3621 and BS 8621?
It comes down to the inside of the door. BS 3621 covers single-point thief-resistant locks that use a key on both sides. BS 8621 covers single-point thief-resistant locks that use a key outside but allow keyless exit inside, usually by thumbturn, for escape routes like flats and HMOs. PAS 3621 is the equivalent standard for multipoint locking on uPVC and composite doors. The door, property use, fire strategy and means of escape decide which is appropriate.
Why do different insurers ask for different locks?
Requirements differ because each insurer sets its own policy conditions. Many of the major UK insurers draw on RISCAuthority guidance, but none is bound to a single standard used by all. That is how two comparable houses end up with different lock requirements. Read the security section of your own policy, ask your insurer where it is unclear, and share the wording with us so we can suggest suitable products.
Will you give me proof of what was fitted?
Written proof comes with the job. In the event of a claim, an insurer may ask what locks were fitted and whether they matched the policy, and a written record carries far more weight than anyone's word.
Should I buy the lock myself and just pay you to fit it?
Often that saves less than it seems. If you have already bought one, send us the product details before the visit; otherwise, let us advise on a lock suited to the door and the requirement.
How much does it cost to have a new lock fitted in Farnborough?
The price depends on whether the door is already prepared or has to be cut, the lock type and security rating, the door material, the number of doors and the time of day. Fitting into a door with no existing provision takes longer than a like-for-like swap. There is no call-out charge, and the price given on the call holds unless the job on site differs, in which case you hear first.
Still have a question or need urgent assistance? Call 01252 493213, tell us what has happened and receive a current arrival estimate.