Middlesbrough's
Locksmith & Property Services
Locked out, snapped key, or break-in repair? A locksmith call-out service is available. Non-destructive entry first and British Standard locks. Emergency call-outs are a fixed price agreed on the phone, with any parts confirmed before work begins; out-of-hours rates apply. Prices include VAT.
- 30+ Years in Property Repairs & Maintenance
- Locksmith Call-Out Service
- Family Run Business
- Northern Housing Awards 2025 — SME of the Year
A Slater & Son has traded for over 30 years, originally as a sole trader, and incorporated as A Slater & Son Property Services Ltd in March 2025. Locksmith qualifications: Gary Slater holds the GMLUK Level 3 Award in Locksmithing and is a Guild of Master Locksmiths UK member. Company accreditations (CHAS Elite and SafeContractor) cover our building and property maintenance work.
Get a free written quote
Locksmith emergencies: we aim to attend within 4 hours.
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Credentials
Awards, qualifications & accreditations
Awards
- Northern Housing Awards 2025 — SME of the Year
Locksmith qualifications
Locksmith services are provided by A Slater & Son Property Services Ltd. Gary Slater personally holds the GMLUK Level 3 Award in Locksmithing and is a member of the Guild of Master Locksmiths UK.
- Gary Slater — GMLUK Level 3 Award in Locksmithing
- Guild of Master Locksmiths UK Member
Company accreditations
Held by A Slater & Son Property Services Ltd for the property trades shown on each scheme's profile. These schemes do not cover or certify our locksmith service. The company is Gas Safe registered (registration 587389) for gas work.
- CHAS Elite
- Alcumus SafeContractor Approved
- Gas Safe Registered (587389)
Copies of all certificates are available on request before work begins.
Our specialism
Locksmith Services in Middlesbrough & Teesside
Our dedicated locksmith service covers everything from an emergency lockout to security-rated lock upgrades across Teesside, delivered by A Slater & Son Property Services Ltd; Gary Slater personally holds the GMLUK Level 3 Award in Locksmithing and is a member of the Guild of Master Locksmiths UK.

Emergency Locksmith
Lockouts, lock changes, snapped keys and break-in repair. Non-destructive entry first, every time.

Emergency Lockouts
Home, flat, shop or van - back inside fast, no drilling where it isn't needed.

Lock Changes & Upgrades
Snap-resistant 3-star cylinders and BS3621 mortice locks fitted properly.

Break-In & Burglary Repair
Secure the property tonight - locks, frames, trim and insurance paperwork.

UPVC & Composite Doors
Snapped cylinders, failed gearboxes and multi-point strip repairs.

Landlord & Tenancy Changes
Lock changes between tenants, master-key systems, itemised invoicing.

Smart Locks & Security
Yale, Ultion Nuki and similar - fitted, configured and tested.
Beyond locksmith
Additional Property Services We Offer
The same family team also handles wider property repair and maintenance work across Teesside.

Damp Proofing
Surveys, treatment and lasting damp solutions.

Plastering
Skimming, re-skims and full re-plasters.

Plumbing
Leaks, repairs and bathroom installations.

Painting & Decorating
Interior and exterior - clean, sharp finishes.

Joinery
Doors, skirting, kitchens and bespoke fitting.

Disabled Adaptations
Grab rails, ramps, wet rooms and home access.

Property Maintenance
One trusted team for every home repair.

Landlord Maintenance
Reactive & planned works for landlords.
Where we work
Local to Middlesbrough.
On call across Teesside.
Based in TS3, we cover every corner of Teesside - usually with a van already nearby. If you can see us on the map, we can be there fast.
View all locksmith & property maintenance areasAbout us
A family business built on
craftsmanship and trust.
Gary started A Slater & Son alongside his late father over thirty years ago. Today the business proudly continues with Gary, his son and his wife at the helm - bringing the same personal dedication to every job, whether it's an emergency call-out or a full property renovation.
- One number, one accountable contact for every trade.
- Skilled across the full property trade, not just one specialism.
- Tidy, respectful and on time - every visit.
- Honest quotes you can trust, in writing.

Meet the team
The faces on the van - learn more about us →

Customer reviews
Straight from our Google customers.
Customer reviews published on our Google Business Profile.
Pricing
Price List
All prices below are starting prices and include VAT at 20%. Emergency call-outs are a fixed price agreed on the phone, so you know the figure before we set off. There is no separate travelling charge: you pay the agreed labour charge plus any parts needed. Parts are charged in addition to labour. A price given over the phone is an estimate based on what you describe; the final price is confirmed on site before work begins. Out-of-hours rates apply evenings and overnight.
Labour Rates (including VAT)
Pricing shown is for labour only; parts are charged separately.
Parts (from, including VAT)
Final price depends on make/model, security grade and availability.
Locksmith services are provided by A Slater & Son Property Services Ltd. Gary Slater personally holds the GMLUK Level 3 Award in Locksmithing and is a member of the Guild of Master Locksmiths UK. The company holds £5m public liability insurance and Gary Slater is DBS checked.
Common questions
Straight answers, no waffle.
Can't see what you're looking for? Send us a message or call directly.
Do you offer an emergency call-out service?+
Yes — for locksmith emergencies. Our locksmith call-out service is available 24 hours a day, 7 days a week across Middlesbrough and Teesside on 07966 442128. Other trades are carried out by appointment during normal working hours.
Which areas of Teesside do you cover?+
We cover Middlesbrough, Stockton, Darlington, Hartlepool, Redcar, Marske, Saltburn, Thornaby and Ingleby Barwick. If you're nearby, give us a call - we travel further for larger jobs.
Are you fully insured?+
Yes — A Slater & Son Property Services Ltd is a fully insured, registered limited company (Company No. 16298499) with £5 million public liability cover.
Do you provide free quotes?+
Yes. Quotes and on-site surveys are free of charge. For planned work we give a written quote before starting. Emergency locksmith call-outs are a fixed price agreed on the phone, and labour plus any required parts are confirmed before work begins. Out-of-hours rates apply.
What's your emergency call-out response time?+
For locksmith emergencies we aim to be with you within 4 hours across Middlesbrough and Teesside, and we give you an honest ETA on the phone.
Do you guarantee your work?+
Yes. Every trade is backed by our 12-month workmanship guarantee. If anything works loose, drips or needs adjusting within 12 months, we return and fix it free of charge.
Do you work to OT reports and Disabled Facilities Grants?+
Yes. We regularly work to Occupational Therapy (OT) reports and Disabled Facilities Grant (DFG) specifications supplied for individual projects. We provide photo evidence for the council where required.
Do you work for landlords?+
Absolutely. We handle reactive call-outs and planned maintenance for private landlords and letting agents across Teesside - one trusted team for every property.
Need it sorted today?
Call us directly - we will answer. Honest advice, fair pricing, work that lasts.
Locksmith call-out service available · Middlesbrough TS3 7BD · Company No. 16298499
