Written by Mark Reid,
Trades Editor ·Verified 12 September 2026
Portsmouth's mix of housing throws up all sorts of locksmith work. The tight Victorian terraces around Southsea and Fratton often still have older mortice locks or timber doors that swell in damp weather, while newer builds out towards Port Solent or Hilsea tend to have UPVC doors with multi-point locking systems that fail in their own particular ways. Add in the flats around Gunwharf Quays and the city centre, where fobs and communal entry systems are common, and you can see why a locksmith working here needs to be comfortable with a broad range of door types, not just one. Being an island city, tradespeople also cover a fair bit of ground getting between jobs on Portsea Island and out to Cosham, Drayton and Waterlooville, so response times can vary depending on where you're calling from.
The businesses featured here are drawn from public business listings, and we've ranked them by their review rating and the number of reviews they've built up, with a small lift given to those showing a working website and phone number. We then check each business's own homepage to confirm locksmith work is genuinely their main trade, which is how we keep general handymen or unrelated tradespeople off this page. Any listings flagged as permanently closed are stripped out automatically, so what you're seeing should reflect who's actually trading. Where you spot a Trust Verified badge next to a business, that firm has gone through our fuller verification process, covering trade qualifications and accreditations, public liability insurance, trading history, customer review history and registered company details. You can read exactly what that involves on our How We Verify page. For businesses without the badge, those checks haven't been done by us, so it's worth doing your own homework before you book.
Before you hire anyone, ask what identification they'll carry and whether they can show proof of qualifications relevant to the job, particularly for uPVC multi-point locks or anything touching fire door compliance if you're a landlord. A written quote before work starts matters more than people think, especially for emergency lockouts where prices can be pushed up under pressure. It's sensible to get two or three quotes for anything beyond a simple call-out, and to ask whether the price includes parts as well as labour. If the job involves replacing locks to meet insurance standards (British Standard BS3621 is the one insurers usually want), get that confirmed in writing too, since it can matter later if you ever need to claim.
How We Select & Rate The Best Locksmiths in Portsmouth
Rankings are based on review rating and review count pulled from public business listings, with a small lift for businesses showing a working website and phone number. We check each business's homepage to confirm locksmith work is what they primarily offer, and we remove listings flagged as permanently closed. Businesses marked Trust Verified have gone further, passing our full verification covering trade qualifications and accreditations, public liability insurance, trading history, customer review history and registered company information; see our How We Verify page for the complete list. Other businesses on this page haven't been independently verified by us, and their inclusion isn't an endorsement. Always do your own checks before hiring.
Recommended and Featured listings are paid placements, so a business's fee affects whether and where it appears. Every other listing is ranked on rating and review count from third-party business listings. How we rank & verify →
A call to Surelock Homes Locksmith Portsmouth often follows a snapped key, a lockout after a long day, or a door that won't secure properly after a break-in attempt. The Portsmouth firm attends these situations directly, assessing and fitting replacement locks on the spot rather than booking a separate visit. Its 1007 Google reviews, all five stars, reflect consistency across that kind of everyday emergency work.
Much of Portsmouth's housing stock dates back a century or more, and EA Locksmiths Portsmouth deals regularly with older mortice locks and warped door frames alongside standard UPVC repairs on newer builds. The firm covers both domestic callouts and commercial units, and has built up a record of 317 reviews averaging five stars.
A call to Amberley Security usually starts with a break-in or a near miss, prompting a homeowner in Portsmouth to want cameras, sensors and a monitored alarm fitted properly rather than as an afterthought. The firm handles the survey, installation and setup of these systems, and has built a following locally, reflected in 261 reviews averaging 4.9.
Landlords and letting agents managing properties around Southsea rely on Secure It Locksmith Southsea for lock changes between tenancies and emergency call-outs when keys go missing. The firm has built a following among local property managers, reflected in a 5 rating from 186 reviews on Google. Work covers uPVC doors, euro cylinders and general lock repairs across Portsmouth.
Auto Locksmith Rescue works specifically with vehicle locks and keys, covering lockouts, cutting and reprogramming for cars around Portsmouth. The narrow focus on automotive work sets it apart from general locksmiths, and the business has built up a 4.9 rating from 137 reviews. Calls are usually taken for both roadside jobs and scheduled key replacements.
Lock changes and emergency entry after lockouts form the core of Croma Locksmiths' work in Southsea, with uPVC door mechanisms a particular focus given the area's housing stock. The Portsmouth operation has built up a 4.9 rating from 112 reviews, reflecting consistent callout response across PO4 and neighbouring postcodes.
A call to Prestige Locksmiths Portsmouth often starts with someone locked out after a snapped key or a lost set, needing a way back into their home without delay. The firm also handles lock upgrades and repairs following break-ins or general wear, working across Portsmouth. Its 82 reviews, all five-star, suggest consistency across these everyday emergencies.
A five-star average across 71 reviews suggests consistency rather than luck for Lockforce Locksmith Portsmouth. The firm covers lock repairs, replacements and emergency call-outs across the city, working with domestic and commercial clients. That volume of feedback, all landing at the top mark, points to reliable workmanship over time rather than a one-off good result.
Transparency notice: Recommended and Featured listings are paid placements, so a business's fee affects whether and where it appears. All other listings are ranked by a combined score drawn from ratings and review counts published on third-party business listings, plus basic completeness signals such as a working website and phone. A Trust Verified badge means we have independently checked that business's documents; businesses without it have not been independently verified by us. How we verify →
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A standard call-out during the day typically runs from around £60 to £90, covering things like opening a lock without damage or fitting a replacement cylinder. Emergency call-outs late at night or at weekends can push that up to £100 to £150, partly because of the urgency and partly the antisocial hours. Fitting new uPVC multi-point locks usually costs £120 to £220 depending on the mechanism and whether the door needs adjusting. Full lock changes to meet insurance standards, replacing several locks across a property, can run to £200 to £400. Prices vary between Southsea, Cosham and the outskirts, so getting two or three quotes before committing is worth the ten minutes it takes.
What should I do if I'm locked out of my house in Portsmouth?
Call a locksmith who offers non-destructive entry first, since a good one can often open a standard lock without drilling it out, saving you the cost of a full replacement. Ask for a rough price over the phone before they travel, including whether that figure changes if the job turns out to be more complicated. If you're locked out of a rented property, check your tenancy agreement first, as some landlords have their own locksmith arrangements or want to be informed before any locks are changed.
Can a locksmith upgrade my locks to meet home insurance requirements?
Yes, most locksmiths in Portsmouth can fit locks that meet British Standard BS3621, which is what many insurers specify for buildings cover. Ask the locksmith to confirm in writing that the locks fitted meet this standard, and keep the receipt or invoice somewhere safe in case you need to show it to your insurer after a break-in. It's worth checking your policy wording first, since some insurers want this on all external doors, not just the front one.
Do locksmiths in Portsmouth work on both old and new door types?
Most do, but it's worth checking before you book if you've got something unusual. Traditional mortice locks on older terraced houses in Fratton or Eastney need different tools and parts to the multi-point uPVC locks common in newer developments around Port Solent. If you live in a converted flat with a communal entry system or fob access, mention that when you call, as not every locksmith carries stock for those systems and it may affect how quickly they can help.
How quickly can a locksmith get to me in Portsmouth?
For genuine emergencies, many locksmiths aim to reach you within 30 to 60 minutes if you're on Portsea Island itself, though this stretches out a bit for Waterlooville, Havant or further into Hampshire. Traffic around the M275 and the tunnel roads into the city centre can add delays at peak times, so it's sensible to ask for a realistic estimate rather than assuming the quoted time will always hold, particularly on a Friday evening.
How do I check a locksmith is right for the job before booking?
Ask for proof of identification and evidence of relevant qualifications or trade body membership, and don't be shy about requesting a written quote before any work starts. Check recent reviews yourself on public listings for a sense of how they've handled jobs similar to yours, and ask directly whether their price includes parts, call-out and VAT. If a badge on this page shows a business as Trust Verified, that means our team has independently checked things like qualifications, insurance and trading history; for anyone without that badge, it's down to you to confirm those details before you let them start work.
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