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Collapsible Gates
Discreet security for all commercial and residential..

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Roller Shutters
Protect your building's weak points with our quality roller..

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Security Doors
Strongfix security steel doors and frames offer..

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Security Grilles
Your windows are your building's weakest point..

Roller Shutter, Fire Exit & Security Doors - Collapsible Gates & Grilles London

Costello Security Installers – protecting your livelihood

We are among the most experienced team you will find in the security trade, conducting expert manufacture and installation of high quality security door, shutter and gate systems for commercial and residential customers throughout London and the South East.


We will supply and fit you security equipment within 7 days of your phone call

We appreciate how important it is to keep your property secure and protected from fire, vandalism, trespassing and criminal damage, which is why we aim to have your equipment installed within just seven days of your original phone call or consultation.


Installation backed by unrivalled experience

We are a family-owned company with more than 30 years’ experience in the security industry, and have extensive expertise in the manufacture, supply and installation of a wide range of high quality security products, including collapsible gates, fire exit doors, security doors and retractable gates.


Our key services include:

  • Collapsible gates
  • Door security shutters
  • Collapsible security grilles (including bar and mesh systems)
  • Roller shutters
  • Security doors and gates
  • Door closers and door springs
  • Retractable gates
  • Fire exit doors
  • Locksmith services
  • Powder coat finishing, RAL colours and other custom modifications
  • Comprehensive aftercare including maintenance and repair


Free consultation and no obligation survey

We do not believe in charging you for anything that doesn’t physically improve your security and safety. Costello Security Installers offer free and comprehensive surveys of your property to establish the current quality of security within your premises. Our experienced and friendly team will then make incisive and knowledgeable recommendations - all completely free of charge and without obligation!


If you are concerned about your security, please contact us for a competitive quotation.

We are approved by all the most important parties in the security industry, including insurance services, the United Kingdom Accreditation Service (UKAS), the Safe Contractor Approved Scheme (SCAS), the UK Locksmiths Association and of course our substantial and loyal customer base. We also supply and install our security equipment to LPS 1175, CE 1627 and CE 1522 standards, 

Costello Security Installers relish the privilege of providing extensive security, protection and real peace of mind to thousands of people, homes and business throughout London and the South East. With free no obligation surveys, high quality products, expert design and installation by our own staff, ultra-fast response locksmiths and free help and advice from engineering experts, we are Surrey’s number one choice for comprehensive security solutions.

Based in Banstead, Surrey, we serve both commercial and domestic customers in London and the Home Counties. Our security installations continue to protect clients’ premises in many locations including Croydon, Sutton, Watford, Epsom, Reigate, Sutton, Kingston upon Thames, Balham, Clapham, Kensington, Knightsbridge, Fulham, Chelsea, Richmond, Twickenham, Islington, St Johns Wood, Wimbledon, Battersea, Guildford, Woking, Romford, Leatherhead, Caterham, Crawley, Camden and Enfield.

For more details please contact us today.


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