Why Britain’s economic future depends on buildings most of us never see
We often talk of roads, ports and railways as the historic arteries of economic growth, enabling trade, movement and the expansion of industry. But in today’s economy, it would be wrong not talk about data centres in the same way.
Conversations about data centres often start with construction jobs and permanent roles. These figures are familiar and they matter to local communities. They provide a sense of who might benefit directly and how the surrounding area may change. Yet when the conversation stays fixed on headcounts and procurement percentages, it overlooks the wider purpose of these facilities and the economic activity they support across the country.
Data centres are not conventional industrial facilities, they are enabling infrastructure and the physical backbone of the digital economy. Their most significant contribution lies not in how many people work inside them, but in the productivity, innovation and resilience they support across the wider economy and their essential role in everyday life.
Several recent assessments underline the significance of this. TechUK estimates that UK data centres contribute around £4.7bn in gross value added each year, support tens of thousands of jobs at a national level and generate £640m in annual tax revenue. It suggests that if capacity were to expand at fifteen per cent annually over the next decade, the sector could generate an additional £44bn for the economy. Research for Amazon Web Services puts the economic contribution of cloud services at more than £42bn, almost one and a half per cent of national GDP.
For small and medium-sized enterprises in particular, access to cloud infrastructure reduces the need for heavy upfront capital investment in IT. Firms can scale capacity up or down as needed, enter new markets more easily and compete internationally from the outset. In an economy where SMEs account for 99 per cent of UK businesses, that flexibility has direct implications for productivity and business formation. It also gives smaller firms access to levels of security, resilience and system reliability that would once have required large, specialist teams to manage, helping them build trust with customers and operate with greater confidence.
I see this clearly at a local level. Our recent planning application for a new data centre in West London gives a sense of the immediate activity that follows investment of this scale. The construction phase is expected to support around 800 on‑site jobs and more than a thousand additional roles across the supply chain and local services. The annual economic output associated with this activity is expected to exceed £100m during each year of the build. The annual contribution to gross value added could reach around £50m, and business rates will add further value for public services.
Data centres also influence how business environments develop around them. Proximity to reliable digital infrastructure reduces latency and supports advanced computing requirements. Firms in financial services, media, research and manufacturing all benefit from faster data transfer and more reliable connectivity.
That value is easiest to see in how data centres are used every day. In healthcare, core digital services now rely on cloud infrastructure hosted in UK data centres, supporting everything from electronic prescriptions to the NHS App. In financial services, banks and fintech firms depend on low‑latency, UK‑based data capacity to process payments in real time, detect fraud and meet strict data‑sovereignty requirements. In logistics and retail, digital platforms hosted in data centres manage inventory and respond instantly to shifts in demand. These are routine, economy‑wide functions that depend on resilient digital infrastructure operating quietly in the background.
Clusters emerge when these conditions are sustained. West London shows how this process works over time. The area has grown into one of the UK’s strongest commercial locations, supported in part by the depth of its digital infrastructure. This has helped draw investment in sectors that rely on high standards of connectivity. These links develop gradually, but they influence long‑term economic strength and competitiveness.
Data centres are now formally recognised as part of the UK’s Critical National Infrastructure. This reflects the reality that public services, emergency response systems and essential commercial activity depend on secure and reliable digital capacity. Disruption to that capacity would have consequences far beyond individual businesses. It would affect the daily functioning of the country.
Alongside this national role, local expectations about employment, training and environmental performance are legitimate and need careful attention. It is understandable that the wider economic benefits - productivity gains, clustering effects and resilience - can feel abstract to local people compared with the immediate impact of a new building.
Focusing on the UK, productivity growth remains a challenge and policymakers continue to look for credible ways to raise it. Digital capacity is part of the answer, although the benefits are not always obvious on the surface. They become clear when businesses struggle to operate because the underlying infrastructure has not kept pace with demand.
This matters not only for everyday services, but for areas where the UK competes at the global frontier, including advanced medical research and emerging fields such as quantum computing, both of which are fundamentally dependent on high‑performance digital infrastructure.
Demand for digital services continues to rise, and the economy is becoming more dependent on fast, resilient data flows. New capacity is required, and it needs to be developed in the right places. Data centres are strategic assets that underpin productivity and growth. Their wider economic value reaches far beyond their walls. Britain’s economic resilience will depend on whether we build the digital capacity our economy now requires.
#BuildingTheDigitalBackbone #DataCentres #PureDC
This article is part of a series delivered by the SEGRO and Pure DC joint venture which will be delivering a fully fitted data centre in Park Royal. The series combines SEGRO’s 20 years of experience delivering modern, high quality data centre shells to create Europe’s largest cluster in Slough, with Pure DC’s expertise as a leading developer and operator of critical digital infrastructure. The series will cover a wide range of topics including how data centres support communities, drive innovation and power economic growth and enable everyday life.