WorkClaim UK Editorial · June 2026 · ~13 min read
Quick Summary
- A construction site accident claim is available where an employer, principal contractor, or site occupier failed in their legal duty and that failure caused your injury
- Construction sites are among the most regulated workplaces in the UK: the CDM Regulations 2015 place specific duties on clients, principal designers, principal contractors, and individual employers
- Multiple parties may be liable in the same construction accident: a subcontractor's worker can claim against the principal contractor even if their direct employer is uninsured or dissolved
- Compensation covers general damages for the injury and special damages for every financial loss including lost earnings, rehabilitation, and future earning capacity
- Most construction site accident claims are handled on no win no fee
Who can make a construction site accident claim?
Any worker injured on a construction site may be able to make a construction site accident claim, including directly employed workers, subcontractor operatives, self-employed tradespeople, and labour-only contractors. Your employment status does not determine whether you can claim; the question is whether someone owed you a duty of care and breached it.
Construction sites are governed by the Construction (Design and Management) Regulations 2015 (CDM Regulations), which impose safety duties across the full project chain. A subcontractor's worker injured because the principal contractor failed to coordinate site safety properly has a claim against the principal contractor regardless of who their employer was. For a full explanation of employer duties, see our construction accident guide.
Who can be liable for a construction site accident?
Your direct employer is responsible for providing you with a safe system of work, adequate training, suitable personal protective equipment, and properly maintained tools and equipment under the Health and Safety at Work Act 1974 and the Provision and Use of Work Equipment Regulations 1998 (PUWER).
The principal contractor on notifiable construction projects has specific CDM duties: coordinating site safety, managing the construction phase health and safety plan, and ensuring the site is set up and maintained safely. If the principal contractor's failure caused or contributed to your injury, they carry liability even if you were employed by a subcontractor.
The client who commissioned the construction work has CDM duties to appoint suitable contractors and ensure proportionate time and resources for the project. A client who appointed an inadequately resourced contractor may share liability for resulting accidents.
The site occupier owes a duty under the Occupiers' Liability Act 1957 to all lawful visitors to the site, which includes contracted workers.
Plant and equipment suppliers may carry liability under product liability law or for failing to supply equipment in safe condition.
What are the most common causes of construction site accident claims?
Falls from height are the single largest cause of construction fatalities and serious injuries in the UK. Falls from scaffolding, ladders, roof edges, and elevated platforms all give rise to claims where the Work at Height Regulations 2005 were not met. See our height guide for the specific employer obligations.
Falling objects from scaffolding, crane lifts, and work platforms above cause serious head, shoulder, and back injuries. Exclusion zones, netting, and toe boards are required measures that are frequently absent.
Plant and vehicle accidents involving excavators, dumpers, forklifts, and site vehicles injure workers on foot. Traffic management on construction sites is a specific CDM requirement.
Scaffold collapses and structural failures result from improper erection, inadequate inspection, and overloading. Scaffold must be erected by a competent person and inspected before use and after any event that may have affected its stability.
Trench and excavation collapses cause crush injuries and fatalities. Support systems, battering, or shoring is required for excavations over a certain depth.
Electrical contact with overhead lines, buried cables, and temporary site wiring is a recurring cause of serious burns and fatalities.
Manual handling injuries including back injuries from lifting, carrying, and working in awkward postures are common across all construction trades.
How do you make a construction site accident claim?
Step 1: Report and record
Report the accident to your supervisor and the site manager the same day. Ensure it is recorded in the accident book. Serious injuries must be reported to the HSE under RIDDOR. Request a copy of the accident report.
Step 2: Preserve evidence
Photograph the accident location, the hazard, and your injuries immediately. Ask the principal contractor (in writing) to preserve CCTV footage and retain any defective equipment. Note the names and employer details of any witnesses. On a construction site with multiple trades, witnesses are easily lost.
Step 3: Seek medical treatment
Attend A&E or your GP and clearly state the injury occurred on a construction site and how it happened. The contemporaneous medical record linking the injury to the specific site incident is essential evidence.
Step 4: Identify all liable parties
A specialist solicitor will investigate the full chain of responsibility. On a multi-contractor site, the principal contractor may be the primary defendant even if your direct employer cannot be traced. Employers' Liability Tracing Office (ELTO) can trace dissolved or uninsured employers.
What compensation can you claim for a construction site accident?
General damages are assessed using the Judicial College Guidelines and depend entirely on the nature and severity of your injuries. Construction site accidents frequently produce the most serious injuries: spinal cord damage, traumatic brain injury, multiple orthopaedic injuries, and amputations, all of which attract substantial awards.
Special damages cover every financial loss: net lost earnings from the date of injury, future earnings loss where the injury affects working capacity, private medical treatment and rehabilitation, physiotherapy, surgery, care and assistance costs, home adaptations, and vehicle modifications where relevant.
Construction workers typically earn at skilled trade rates. A serious injury that prevents a return to physical work can produce very significant future earnings losses that form the largest part of the claim.
Frequently asked questions
Can I claim if I was a self-employed subcontractor on the site?
Yes. Self-employed workers are protected under the CDM Regulations and the Occupiers' Liability Act 1957. The principal contractor and site occupier owe you a duty of care regardless of your employment status. For a full explanation of the self-employed position, see our self-employed guide.
Can I claim if my employer has gone into liquidation?
Yes, in most cases. Employers must hold Employers' Liability insurance and insurers remain liable even after the employer has dissolved. The ELTO database allows solicitors to trace the insurer for any employer that held a policy within the past 60 years.
What if the accident was partly my fault?
Contributory negligence reduces your award proportionately but does not prevent the claim. If a court finds you 25% responsible, your compensation is reduced by 25%. The question is always whether someone else's breach of duty was also a cause of the accident.
Is there a time limit for a construction site accident claim?
Three years from the date of the accident under the Limitation Act 1980. Act promptly: construction sites are cleared, CCTV is overwritten, and witnesses become unavailable very quickly.
Start your construction site accident claim
A specialist solicitor can identify all liable parties and advise on what compensation you may be entitled to at no upfront cost.
Or call 01228 272395 to speak to Edward & Amaury Solicitors (SRA number: 800525). No upfront cost and nothing to pay if your claim does not succeed.
Related guides
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