TL;DR:

  • British Land raised its FY26 underlying EPS guidance from 28.5p to 28.9p, helped by 6% like-for-like net rental growth and 12% campus growth.
  • FY27 guidance has also lifted to at least 30.5p from 30.2p, with the upgrade partly reflecting completion of the Life Science REIT acquisition.
  • AI and technology tenants are now named as a primary demand driver in central London office campuses, with firms including OpenAI establishing major UK bases.

British Land’s upgrade is the latest concrete signal that the “will frontier AI leave the UK?” narrative running alongside OpenAI’s paused Stargate datacenter project has a counterweight in commercial property. Tech rental demand in central London campuses is growing fast enough to show up in upgraded full-year guidance from a FTSE 100 REIT — a harder datapoint than most UK AI-cluster commentary.

Where the growth is coming from

The 12% growth in British Land’s campus portfolio is notably ahead of the 6% like-for-like underlying rental figure — signalling that purpose-built office clusters are outperforming traditional office space. The company’s Regent’s Place, Broadgate and Paddington Central sites have been consistent winners in the AI-adjacent tenant mix, and OpenAI’s previously-reported London base sits within that footprint. At a time when many traditional occupiers are shedding space in hybrid-work restructurings, that relative outperformance matters.

What it doesn’t tell us

British Land’s guidance upgrade speaks to commercial-property fundamentals, not to the wider UK AI investment picture. OpenAI’s decision to pause its Stargate server-farm project — reported elsewhere this month — rested on energy cost and regulatory friction, concerns that do not show up in central-London office demand. The two signals co-exist: AI firms want London office headcount, but their large-scale compute spend is flowing elsewhere in the UK or offshore entirely.

Looking forward

Whether the campus-led rental growth holds will depend on two second-order questions. First, whether Crown Estate, Grosvenor and Canary Wharf Group see similar AI-tenant uplift — if so, the story is sector-wide, not British Land-specific. Second, whether UK-originated AI firms follow US firms in taking larger footprints. British Land’s next trading update in summer will start to answer both.

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