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Door Repairs London

The need for repair of your security equipment may present itself at the worst of moments, halting businesses or preventing homeowners from feeling that they can leave their homes unattended. When this occurs, there is little alternative to a round-the-clock, response call-out service, manned by electrical experts who have seen security problems of all kinds.

The team at Costello Security Installers is dedicated to minimizing the inconvenience involved in repairing damaged, disabled or temporarily inactive safety and security systems. Wherever possible, we will provide you with the necessary know-how to prevent or lessen the need for future repairs.


24-hour response
We are free 24 hours a day, 7 days a week, to respond to any security system break-down, fault or damage. Simply call us on 0333 123 5005 and one of our experienced engineers will be immediately dispatched to your home or business.

With full stock of locks, hinges, door closers and comprehensive parts for repair solutions.


Fixing any problem with ease Residential and Commercial Doors.
Our extensive experience, spanning over two decades, affords us the ability to undertake any repair job within the security industry. From break-in repairs, to fixing a shutter door , shop front doors, aluminium doors and vandalism.

Technical bug fixing to replacements, we provide the comprehensive security system repair service to customers throughout London and the South East.


Officially accredited and certified
We take both health & safety standards and the quality of our workmanship very seriously.

Our security industry knowledge and expertise is endorsed by the Safe Contractor Approved Scheme (SCAS), who continually award us with full accreditation for our work. This official certification is nationally and internationally recognised, and provides additional proof of the high quality of our security installation, maintenance and repair work.


Our official recognition by the UK Locksmiths association, also serves to assure you of reliable provision of all locksmith services. This encompasses lock fitting, replacements and upgrades, key holding, burglary repairs, emergency and non-destructive entry as well as accurate and thorough security advice.


We also design, create, supply and install our security equipment to stringent LPS 1175, CE 1627 and CE 1522 standards. 

With our central offices located in Central London and Surrey our comprehensive and responsive repair service continues to protect customers across London and the Home Counties,


If you would like to know more about our wide-ranging security services, be it installation, maintenance, advice or repair, please contact us today.

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