BS3621 Locks in Windsor, Berkshire
Need bs3621 locks in Windsor? First Line Locksmiths attends SL4 with an average response of 20-30 minutes, 24 hours a day. Engineers are positioned across Eton, Datchet, Old Windsor so we reach the streets around Windsor Castle and Windsor Great Park faster than centralised national chains.
BS3621 is the British Standard for thief-resistant mortice locks and the specification almost every UK home insurer requires on external timber doors. We supply and fit BS3621 5-lever mortice deadlocks and sashlocks from Union, ERA, Yale, Chubb and Mul-T-Lock — all Kitemarked, all insurance-approved, all fitted with a 12-month parts and labour guarantee. If your existing lock isn't BS3621 stamped, your insurance claim could be refused after a burglary; we'll tell you on the call whether you're compliant or not.
Windsor's period properties around the Castle and Park demand sympathetic locksmithing — we carry Banham, Chubb and Union 5-lever mortice locks specifically for the heritage timber doors found throughout SL4.
What's included
- BS3621 5-lever mortice deadlocks and sashlocks supplied and fitted
- Union, ERA, Yale, Chubb and Mul-T-Lock all stocked on the van
- Kitemarked, insurance-approved hardware as standard
- Free compliance check on every external timber door
- 12-month parts and labour guarantee
Windsor routes we cover
- A308 Windsor Road
- A332 St Leonard's Road
- M4 Junction 6
- Nearby: Eton
- Nearby: Datchet
- Nearby: Old Windsor
- Nearby: Dedworth
Searching for bs3621 locks in Windsor?
We answer calls for bs3621 locks Windsor, bs3621 locks near me, emergency bs3621 locks Windsor, 24 hour bs3621 locks SL4 and cheap bs3621 locks Berkshire every day of the week. Engineers based across Eton, Datchet, Old Windsor keep response times in SL4 to 20-30 minutes, including the streets around Windsor Castle and Windsor Great Park. Fixed price from £159 — agreed before we set off.

