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Gas safety contractor assurance should extend beyond checking the credentials of a supplier at the point of procurement. For social landlords, housing providers and property management organisations, the more important question may be: who is actually attending the property and carrying out the work?
New figures published by the Health and Safety Executive (HSE) on 14 September 2026 create a timely reason for property leaders to review that question.
HSE reported that 17 people have been convicted of carrying out gas work illegally since the beginning of 2025, compared with three convictions in 2022/23 and four in 2023/24. The announcement coincided with Gas Safety Week, which ran from 14–20 September 2026.
Importantly, these figures relate specifically to individuals prosecuted for illegal gas work. They should not be interpreted as evidence of a deterioration in standards among legitimate Gas Safe registered engineers. HSE itself notes that the gas industry has an excellent safety record.
For property management and social housing leadership teams, however, the cases highlight an important contractor-management issue: appointing a compliant organisation does not automatically remove the need for effective controls over the individuals delivering work on its behalf.
What Do the Latest HSE Gas Safety Figures Show?
Under the Gas Safety (Installation and Use) Regulations 1998, it is illegal for somebody to carry out relevant gas work unless they are appropriately registered with the Gas Safe Register or working under appropriate supervision.
HSE states that it has successfully prosecuted 34 defendants since 2020/21 for breaches relating to illegal gas work. Of those, 17 have been sentenced since the beginning of 2025.
The consequences of non-compliant gas work can be substantial. Incorrect installation, servicing or repair can result in:
Gas leaks
Carbon monoxide exposure
Fires
Explosions
Appliances being classified as immediately dangerous
Loss of heating and hot water
Enforcement action
Serious harm to residents
One recent HSE prosecution demonstrates why supply-chain controls matter particularly clearly.
In Croydon, an individual who had never been registered with Gas Safe was sent by a contracted company to install a boiler. According to HSE, he issued a fraudulent gas safety certificate, and the installation was subsequently identified as dangerous after gas was detected.
For property leaders, the case raises a fundamental assurance question:
Is your organisation checking the gas engineer who attends the home, or only the contractor company it appointed?
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Why Contractor Assurance Cannot Stop at Procurement
Property management organisations often operate complex supply chains involving principal contractors, specialist subcontractors, repairs frameworks and geographically distributed workforces.
A supplier may have demonstrated the required credentials during procurement. However, organisations also need appropriate assurance around the individuals subsequently allocated to regulated work.
That becomes particularly important when work moves through multiple tiers of subcontracting.
A procurement process may establish that a business holds appropriate registrations, insurance and certifications. Operational contractor management then needs to establish whether those requirements continue to be met throughout delivery.
For senior leaders, this means thinking about compliance as a continuous control environment, rather than a pre-contract exercise.
A robust contractor-assurance framework could therefore consider:
How engineer Gas Safe registration is verified
Whether registration is checked before regulated work is undertaken
Whether engineers hold the correct categories of competence for the appliances they work on
How subcontractors are authorised and monitored
Whether expired or changed registrations trigger alerts
How evidence is retained for audit purposes
Who owns compliance responsibility internally
How exceptions and suspected non-compliance are escalated
Whether contractor KPIs incorporate safety and assurance measures alongside cost and completion rates
HSE advises consumers and businesses to verify an engineer's credentials through the Gas Safe Register or check their Gas Safe ID card.
For organisations responsible for hundreds or thousands of properties, that principle needs to translate into a scalable governance process.
Gas Safety Obligations for Landlords
The regulatory obligations themselves are already well established.
HSE guidance states that landlords must ensure gas fittings and flues are maintained in a safe condition and that relevant gas appliances and flues receive the required safety checks from appropriately qualified Gas Safe registered engineers. Landlords must also retain records of gas safety checks in accordance with the regulations.
These responsibilities make contractor governance particularly significant for housing associations, local authorities, managing agents and other residential property organisations.
Whether a portfolio covers several developments in Birmingham, thousands of homes across London, or dispersed housing stock spanning Manchester, Leeds, Bristol and the wider UK, compliance ultimately depends on what happens at property level.
Policies and framework agreements matter. So does the competence of the person standing in a resident's home.
Connecting Procurement, Repairs and Compliance Teams
One of the potential weaknesses in contractor assurance is organisational fragmentation.
Procurement may appoint the contractor. A repairs team may schedule the work. A contractor-management function may oversee performance. Compliance teams may monitor certification. Operational managers may deal with exceptions.
If responsibility is unclear between those functions, gaps can emerge.
Senior property leaders should therefore consider whether contractor-assurance arrangements establish clear accountability across the full contract lifecycle.
Procurement
Procurement teams can establish appropriate competency, registration and subcontracting requirements during supplier selection and contracting.
Contracts can also define what evidence suppliers must provide, how changes in personnel or subcontractors are communicated, and what happens when compliance standards are breached.
Repairs and Property Operations
Operational teams are closest to delivery.
They need processes which make it practical to identify who has been allocated to regulated work and whether that individual is authorised to complete it.
Compliance and Building Safety
Compliance teams need sufficient oversight to test whether controls are operating effectively rather than simply assuming contractual requirements are being followed.
That may involve sample audits, exception reporting, documentation reviews and scrutiny of contractor performance data.
Executive Leadership
At executive level, the issue becomes one of assurance.
Leaders do not need to personally verify individual engineers, but they should understand whether their organisation has systems capable of identifying and escalating non-compliance.
What Should Property Leaders Be Asking?
Boards, executive teams and senior property professionals increasingly need to understand the strength of the assurance sitting underneath compliance reporting.
Useful questions include:
Do we know who actually completes regulated work within our properties?
Supplier-level approval and operative-level competency are related, but they are not identical controls.
How do we manage subcontracting?
Organisations should understand whether their appointed providers can subcontract work, how those subcontractors are approved and how competency information flows through the supply chain.
How frequently are credentials checked?
Registration status and workforce composition can change during the lifetime of a contract.
What happens when assurance fails?
There should be a clear process for stopping work, escalating concerns, protecting residents, investigating incidents and addressing contractor performance.
Can our systems provide evidence?
Effective assurance requires more than policy. Organisations should be able to demonstrate how controls operate in practice.
Contractor Assurance Is Also a Leadership Capability Issue
The HSE announcement is primarily a gas-safety story, but it also illustrates the increasing complexity facing senior property professionals.
Compliance leadership now sits at the intersection of regulation, procurement, data, contractor governance, operational delivery and resident safety.
That places significant demands on roles such as:
Directors of Property
Directors of Asset Management
Heads of Compliance
Building Safety leaders
Repairs and Maintenance Directors
Procurement leaders
Contract Management leaders
Heads of Property Services
Senior professionals increasingly need to be capable of interrogating assurance frameworks rather than simply receiving compliance percentages.
They need to understand where data comes from, what contractor controls sit underneath it and where accountability rests when several organisations are involved in service delivery.
From Supplier Appointment to Operational Assurance
The lesson from the latest HSE enforcement figures is not that legitimate gas engineers should suddenly be viewed with suspicion.
It is that verification needs to follow the work.
A contractor may have passed procurement checks months or years earlier. The person entering a resident's home today still needs to be appropriately competent and registered for the work they are completing.
For social landlords and property management organisations, particularly those operating large or geographically dispersed portfolios across London, Birmingham, Manchester, Leeds, Bristol and other parts of the UK, maintaining that visibility requires clear governance, reliable data and strong operational leadership.
As regulatory expectations around property safety continue to shape the sector, organisations need leaders capable of connecting procurement decisions with frontline delivery.
Final Thoughts
HSE's September 2026 figures provide a useful reminder that effective gas safety is not simply about having the correct policy or appointing a credible contractor.
The control needs to extend through the supply chain to the individual carrying out the work.
For executive teams, the key question is therefore less about whether contractor checks exist and more about whether those checks provide meaningful assurance throughout the lifecycle of the contract.
Looking for Senior Property Management or Compliance Leaders?
At Lincoln Cornhill, we work with organisations across the property management and social housing sectors to identify senior professionals capable of navigating increasingly complex operational, regulatory and governance requirements.
Whether you are strengthening your Property, Asset Management, Compliance, Repairs or Procurement leadership team, our executive search expertise can help you identify professionals with the technical understanding and strategic leadership required to manage risk effectively.
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