020 8933 5555
(Customer Service Line - London) 

01753 313 344
(Customer Service Line - Berkshire) 

07794 118 999
(Emergency Call Out) 
Positive Locksmiths logo

24 hour emergency locksmith, for secure living

Lock Supply & Installation

Alarm systems and lock installations in Middlesex or Hertfordshire

Positive Locksmiths Ltd provides alarm systems and lock installations at affordable prices. Get in touch with us today.

Alarm systems installed at affordable prices

Alarm systems can enhance the security of your home or commercial space. We offer alarm system installation services. Our alarm systems can deter potential intruders and help keep your home safe at all times. We also offer security surveys. Our staff will thoroughly analyse your home or business space and suggest the ideal alarm system for your home or business.

You can also rely on us for burglary repairs, burglar prevention unit installation, security upgrades, security surveys and emergency locksmith services. 
Speak to a member of our team
parts of the lock

We offer a range of products, such as:

  • Cylinders, hinge bolts, London and Birmingham bars 
  • Nightlatch and window security
  • Door chains – Standard or key operated
  • Mortice and sash locks
  • Multi-point locking mechanisms and steel reinforced security
  • Door closers and digital code locks
lock being fit

Get in touch 

We provide emergency locksmith services, lock installations, repairs and replacements. We serve both domestic and commercial customers. 

Get in touch with us today. We offer services across Middlesex and Hertfordshire.
For lock installation and alarm systems, call Positive Locksmiths Ltd on:
020 8933 5555 - London
01753 313 344 - Berkshire
01923 604 970 - Hertfordshire

For lock installation and alarm systems, call Positive Locksmiths Ltd on 

     020 8933 5555     

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