High Security Locks in Windsor, Berkshire
Need high security 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.
If you want the very best protection against snapping, bumping, picking, drilling and key duplication, our high-security range — Avocet ABS, Brisant Ultion, Mul-T-Lock MT5+ and Banham M2002 — is what we fit and trust on our own homes. All carry Sold Secure Diamond and/or TS007 3-star ratings and come with restricted-profile keys you can only duplicate with your security card.
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
- Sold Secure Diamond rated cylinders
- TS007 3-star anti-snap protection
- Restricted key profiles — no high-street duplication
- Lifetime guarantee on Ultion and ABS
- £1,000+ break-in compensation guarantees from manufacturers
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 high security locks in Windsor?
We answer calls for high security locks Windsor, high security locks near me, emergency high security locks Windsor, 24 hour high security locks SL4 and cheap high security 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 £179 — agreed before we set off.

