Construction sites are attractive targets. Plant, tools, copper, fuel and building materials are valuable and easy to resell, and sites are often quiet at night and at weekends. Theft and vandalism cause delays, extra cost and awkward conversations with insurers, so a sensible security plan is worth setting up before the project starts.
What tends to get stolen
- Copper and cabling: valuable as scrap and easy to remove overnight
- Power tools: compact and quick to resell
- Fuel: generators and plant are often drained overnight
- Scaffolding materials: tubes, boards and fittings
- Plant and machinery: increasingly targeted
- Building materials: timber, insulation, plasterboard and cable
The main security measures
1. Manned guarding
A visible, SIA-licensed officer on site is one of the most effective deterrents. Officers control the gate, check people and vehicles in and out, carry out checks of the site and compound, and deal with or report anything unusual.
2. Access control and visitor management
Know who is on site. Good practice includes a controlled entrance, contractor ID checks, a visitor sign-in, deliveries logged at the gate and vehicle movements recorded. Some theft is carried out by people with legitimate access, so records matter.
3. CCTV
Cameras deter opportunists and provide evidence for police and insurers. They are most useful when someone is watching them. Our officers can monitor an on-site system during their shift and respond on site.
4. Night and weekend cover
Most theft happens when the site is empty. Overnight and weekend presence is where security matters most, and cover can be arranged for nights, weekends and bank holidays, subject to availability.
5. Perimeter and lighting
Good fencing, secure gates, motion-activated lighting and clear signage make a site harder to approach unseen. Physical measures and people work best together.
6. Fire and safety awareness
Officers who do regular checks can also spot fire risks, blocked exits and open access points, and report them promptly.
7. Reporting
Written records of incidents, visitors and deliveries help with insurance claims, disputes and site audits.
Check your insurance requirements
Some construction insurance policies expect documented security measures, and a claim can be affected if they are not in place. Ask your broker what is required before the project starts.
Planning your site security
- Decide which hours and areas carry the most risk, and plan cover around them
- Match the level of security to the value on site and to the stage of the build
- Agree access rules and contractor ID with the whole site team
- Put reporting lines in place so incidents reach the site manager quickly
- Review the plan as the project changes
How GM Secure can help
GM Secure supplies SIA-licensed officers for construction sites across London and Essex. Our officers are DBS checked and our work is insured through Hiscox. Typical duties include gate and access control, delivery logging, site checks, on-site CCTV monitoring and written incident reports. Read more on our construction site security page, or ask for a free quote.