Entrance

British Standard lock upgrades

BS3621 and TS007 locks fitted to satisfy your insurer and actually resist attack.

British Standard lock upgrades in Slough — Locksmith work by Maintenance Handy

About this job

Many home insurance policies require British Standard locks on external doors — and some payouts are refused without them. We fit BS3621 mortice deadlocks and TS007 3-star cylinders that resist picking, drilling and snapping. If you're not sure what you have, we'll survey every external door and give you a clear list of what needs upgrading and what doesn't.

Guide price
From £85 per lock including quality hardware.
No VAT to add — we are not VAT registered
Typical time
About 45 minutes per lock

What's included

  • ✔Free security survey of all external doors
  • ✔BS3621 mortice locks and TS007 3-star cylinders
  • ✔Correct fitting with reinforcing plates
  • ✔Insurance-compliant documentation
  • ✔Honest advice — we only upgrade what needs it

How the job goes

  1. 1

    Get in touch — call, WhatsApp or the quote form. Photos help us quote british standard lock upgrades accurately.

  2. 2

    You get a fixed written quote — no hourly rates, no hidden extras.

  3. 3

    We arrive when agreed, protect the work area, and keep you informed as we go.

  4. 4

    The job is completed, tested and checked with you before we tidy up.

  5. 5

    You pay on completion — and we send photos of the finished work for your records.

Common questions

How much should I budget for british standard lock upgrades?

From £85 per lock including quality hardware. Every job gets a fixed written quote before work starts — no hourly-rate surprises.

How long does a british standard lock upgrades job take?

About 45 minutes per lock We'll confirm the timescale with your quote, and we turn up when we say we will.

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