About this service
First Line Locksmiths is the go-to locksmith for landlords, letting agents and HMO operators across the Thames Valley and West London. We handle end-of-tenancy lock changeovers, eviction lockouts, master-keyed portfolios, emergency tenant call-outs, communal door access systems and 24/7 emergency response — all on flexible portfolio rates and 30-day invoicing for trusted accounts.
We work with hundreds of West London and Thames Valley landlords and letting agents to handle end-of-tenancy lock changes, eviction lockouts, master-keyed portfolios and emergency tenant call-outs. Flexible invoicing, discounted portfolio rates and 24/7 availability.
What's included
- End-of-tenancy lock changes from £99
- Master-keyed portfolios across multiple properties
- Eviction and court-order attendance
- 30-day invoicing for trusted accounts
- Same engineer for ongoing portfolios where possible
Our process
Onboard
Account set up with agreed rates and invoicing terms.
Book
Online or phone booking for changeovers.
Attend
Engineer dispatched, work completed, keys couriered or held in office.
Invoice
Itemised, VAT-receipted, monthly statement available.
Where we cover
We provide landlord services across West London, Berkshire and Buckinghamshire, including:

