When a building becomes vacant, one of the first priorities is regaining full control of access. Whether it’s following an eviction, a change of tenants, or unauthorised entry, changing the locks is essential to protect your asset and reduce liability.
Marpol Security offers a rapid and professional lock change service for vacant commercial and residential properties throughout the UK. Delivered by trusted professionals as part of our wider vacant property offering, it ensures you retain control and meet insurance requirements.

Unsecured entry points pose significant risks to vacant buildings, including:
Illegal occupation by squatters or trespassers
Repeat access by previous tenants, contractors, or unauthorised persons
Increased likelihood of theft, arson, or criminal damage
Insurance claims being denied due to non-compliance
Prompt lock replacement ensures your site is properly secured and helps prevent escalating issues.
Our SIA-licensed teams work efficiently and discreetly to secure your site with minimal disruption.
Lock changes for doors, gates, and outbuildings
Replacement of faulty, broken, or damaged locks
Secure locksmith access following evictions or break-ins
High-security lock upgrades
Boarding up of compromised entry points, where required
Every visit is documented with photos and a report, providing clear evidence for your records or insurance provider.
Lock changes are often part of a wider vacant property security strategy. Our team can coordinate lock replacements alongside:
We’ll assess the condition of your property and advise on the most appropriate course of action.
We provide lock change services to a wide range of clients, including:
Landlords and property managers
Estate and letting agents
Housing associations and local authorities
Insolvency practitioners
Commercial property agents and asset managers
With mobile response units operating throughout England, Scotland, and Wales, we offer prompt attendance and nationwide coverage. Emergency lock changes can often be carried out on the same day.
In many areas, we can attend the same day. Our 24/7 Control Room will confirm availability and dispatch a local team.
We work with qualified locksmiths and our SIA-licensed teams, depending on the type of lock and the specific situation. All work is carried out securely and professionally.
We can install temporary steel boarding or replacement security doors as needed to restore site security.
Yes. Our teams operate around the clock, and emergency callouts can be arranged 24/7 through our Control Room.
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Need to secure a vacant building quickly and professionally? Call us today on 08085 627 765 or email info@marpol.co.uk to book a lock change or discuss your site’s requirements.