Master Key Systems

Barnet Lock & Security’s Master Key Service includes the design, supply and installation of a bespoke system


Van Locks

We specialise in the supply and installation of high quality, cost effective van locks.



We supply and install an extensive range of safes


Home Security

Protecting your home and family is of paramount importance.


Smart Security Systems

We install and maintain a variety of smart home security systems


Commercial Premises

Security solutions for industrial units, factories, warehouses and offices


Public Sector

Our public sector clients include Local Authorities, Schools, Hospitals, Prisons, Utility Providers and Railway Networks.

Welcome to Barnet Lock & Security

Established over 30 years ago, Barnet Lock and Security is a well-respected and successful business offering a very comprehensive range of products and services to help keep your home, business premises and possessions safe and secure.

Members of the Master Locksmiths Association, our staff are enhanced DBS checked for your complete peace of mind. Experts in the field of locks and security, our specialists have carefully selected a range of products that offers exceptional performance and excellent value for money. Our team of highly skilled and knowledgeable engineers enables us to offer skilled installation services too.

Whether you want to protect your home, your business premises, your van or your valuables, think twice before choosing an off-the-shelf DIY solution, which may not perform as well as expected. Our experts will help you find the most effective products and services to meet your needs and we can help with the installation too.

The Security Specialists

Throughout our website, you will find that we offer a broad range of security solutions. Some of them are designed to protect residential properties and some of our products and services are designed with businesses in mind.

As security specialists, we make it a priority to keep up to date with all the latest developments in the market, and we only sell products that will perform to the very high standards that we set. Whether you’re looking for protection for your home or your business, our expert team will help you choose a system that is designed to meet your needs.

Barnet Lock Logo


Home security & locksmith solutions

providing expert knowledge, highly professional service and quality products to discerning homeowners.


Business security & locksmith solutions

trusted supplier of site security and keyholder services to many businesses both local and nationwide


Specialist sub-contractor for locks, hardware and more

We’re not wholesalers but do work with builders, electricians & other trades to specify, supply & install a full range of products

Products and Services

As security specialists, we are pleased to offer a very comprehensive range of products and services for all your security needs. Here’s a quick overview to give you a flavour of the sort of things we can help with… if you can’t immediately see what you’re looking for, contact us today and one of our experienced team will be happy to help.


  • Replacement locks
  • Emergency call-outs
  • Van locks


  • Commercial
  • Domestic
  • Fire-resistant


  • Van locks
  • Shielding
  • Anti-peel


  • Medical cabinets
  • Key cabinets
  • Lockers


  • Window & door
  • Shutters & grilles
  • Door closers & panic


  • Biometric
  • Video entry
  • Key fobs & cards


  • Commercial security systems
  • Domestic intruder alarms
  • Monitored alarms


  • Smart home security
  • Video doorbells
  • Electronic locks


  • Heat & smoke detectors
  • Emergency lighting
  • Break glass alarms


  • Domestic CCTV
  • Commercial CCTV
  • Security lighting


  • Security gates
  • Security doors
  • Security barriers

Expert advice

Risk assessments



No obligation surveys





As specialists in locks and security, our products and services have many applications across lots of different sectors. We understand that the requirements for different businesses and households may vary, and this is why we treat every enquiry as a unique project. We’ll take the time to understand your precise requirements and will then put together a product and service solution that precisely matches your requirements.

We have experience across many different business sectors, some of which are listed below. If you can’t see what you’re looking for, contact one of our helpful team and let us show why so many businesses and homeowners have entrusted us with their security requirements.


  • Homeowners
  • Landlords
  • Property management


  • Schools
  • Colleges
  • Universities


  • Restaurants & Pubs
  • Coffee Shops
  • Hotels


  • Railway networks
  • Fleet managers
  • Van owners


  • Hospitals
  • Care homes
  • Surgeries


  • Retail/commercial
  • Industrial
  • Facilities management


  • Electricians
  • IT specifiers
  • Security companies


  • Builders
  • Contractors
  • Interior fit-out companies


  • Architects
  • Interior designers
  • Insurance companies

Complete peace of mind

When looking for a supplier of security products and services, it is advisable to take the time to ensure you are choosing a legitimate and trustworthy business. We’ve been around for over 30 years and have a number of accreditations and endorsements that illustrate our credentials as a reputable and reliable company. In addition to the logos below, our employees are regularly checked for enhanced DBS and our sister company – Tindall Security – was the first alarm installation company in the UK to be awarded the official police-backed Secured by Design accreditation.

Areas we cover

Our products and services for homeowners are available across London and the Home Counties. For commercial and retail accounts, we are pleased to be able to cover the whole of the UK.


Whether you feel you should change your locks, install a safe, improve your van security, upgrade your security system or review your business security arrangements, don’t leave it until it’s too late. Contact one of our highly professional team today and let us help you find the perfect security solution for you.