Health, Safety & Site Security
CONSTRUCTION CRIME IN FOCUS: TRENDS, TACTICS & WHY PROACTIVE PREVENTION MATTERS
By Peter Simpson, Head of Construction, from DeterTech
Construction sites present attractive targets both to opportunistic offenders and organised criminal gangs( OCGs). This has always been true but is particularly the case now, following the sharp rise in the price of copper and other materials.
What was once viewed as sporadic site and vehicle theft has evolved into a crimewave that is premeditated, targeted, and persistent. OCGs will always seek out the lowest risk, highest reward option. And construction crime, even related to critical national infrastructure, sadly doesn’ t carry the same penalties as dealing Class A drugs, for example.
The numbers underline the scale of the challenge. OCGs are offending on a daily basis and the cost to the UK industry can easily reach as high as £ 100k per incident when material replacement, project delays, and rising insurance premiums are taken into account.
The impact on individual tradespeople is also stark. In 2024, 25,525 tool thefts were reported across the UK – losses estimated at around £ 40 million. Nearly four in five tradespeople say they have experienced tool theft, and since 2023, reported tool and equipment theft has risen by 71 %, with the steepest increases recorded in the West Midlands, North Yorkshire, and South Wales.
Behind those figures are real projects, real delays and real people unable to work.
Why construction sites attract attention Construction sites, by their nature, bring together concentrated value. High-specification tools, generators, copper cabling, small plant and vehicles are often stored within temporary compounds, cabins, or containers. Unlike permanent facilities, site perimeters are designed to be flexible. Access points shift as works progress. Storage areas move to accommodate new phases. Lighting and surveillance can vary from one section of the site to another.
That constant evolution creates gaps.
Large projects add another layer of complexity. Multiple subcontractors, agency staff and delivery drivers move in and out daily. With so much legitimate activity, it becomes easier for someone to observe routines without raising suspicion. Daytime reconnaissance – sometimes carried out by individuals wearing highvisibility clothing or arriving in liveried vans – remains a common precursor to out-of-hours theft.
Storage compounds are a frequent focus. Copper cabling, power tools, and compact plant can be removed quickly if perimeter weaknesses are identified. In some cases, fencing is cut at unmonitored points. In others, vehicles are positioned to allow rapid loading and departure. The coordination seen in many incidents suggests preparation rather than opportunism.
Vans are equally vulnerable. Tools left overnight – even briefly – can disappear within minutes. For tradespeople, that means delays, loss of earnings, and in many cases, can have a particularly detrimental impact to mental health.
46 CONSTRUCT IT | WWW. CONSTRUCT-IT. UK