Technical debt: A hidden cost for UK enterprises

Cloudhouse's report uncovers daunting levels of technical debt in UK companies, posing risks to security, compliance, and innovation.

  • Tuesday, 30th September 2025 Posted 6 months ago in by Aaron Sandhu

Cloudhouse has recently unveiled its inaugural report titled The State of Technical Debt, casting light on the substantial technical debt concerning Microsoft Windows and Linux systems faced by organisations across the UK. Technical debt highlights the lurking costs and risks organisations incur by delaying essential IT system upgrades.

The report indicates a staggering 90% of organisations are grappling with Microsoft Windows technical debt. Alarmingly, 72% of survey respondents perceive their legacy systems as liabilities, heightening their vulnerability to cyber threats, with 48% admitting to having encountered compliance hurdles during audits due to outdated systems.

The study, which involved 250 CIOs, risk management, compliance managers, and IT leads, finds only 10% of organisations evade Windows-related technical debt, and a mere 31% steer clear of Linux technical debt. Consequently, the lion's share already confronts burdensome risks and expenses.

Disturbingly, over 50% of entities report suffering from system downtime attributable to technical debt, yet only 14% earmark resources proactively to overhaul legacy systems. Additionally, a significant 46% acknowledge addressing technical debt only reactively, leaving 39% with an actionable roadmap to counteract it.

Compliance stands as an impediment, with 41% of firms acknowledging that legacy Windows systems complicate regulatory adherence, exacerbated by the impending Windows 10 end-of-life date of 14th October. Technical debt is further implicated as a deterrent to cloud migration and digital conversion, with 45% alleging it hampers advancement, while 46% flag app modernisation as a formidable task.

Beyond the technical implications, the debt siphons off resources and stymies innovation, with 45% of firms reallocating budgets from innovative pursuits to legacy maintenance. Furthermore, 31% indicate that Windows technical debt obstructs innovation outright, and a concerning proportion attribute high staff turnover and burnout to this burden.

Mat Clothier, CEO of Cloudhouse, commented: “Technical debt isn’t just a tech problem, it’s a business risk, a security gap, and a human cost. The fact that 90% of organisations are still carrying Windows technical debt, so close to the end of life of Windows 10, should be a wake-up call. Awareness is high, but action lags far behind. Unless organisations address this now, the costs – in downtime, compliance failures, lost innovation, and employee wellbeing – will only increase.”

The State of Technical Debt report unveils further nuances into how organisations can navigate the shrinking sanctuary of legacy dependencies, reinforcing the urgency for change.

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