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MNN UK · March 27, 2026 · 1 min read

UK government borrowing costs exceed 5% amid Iran war bond sell-off

What happened: The yield on UK 10-year government bonds rose above 5%, the highest since 2008, driven by a global bond market sell-off linked to the Iran conflict. This increase reflects investor concerns about potential economic impacts from the war.

Why it matters:

  • Higher borrowing costs could increase government debt servicing expenses, affecting public finances.
  • Rising yields may lead to faster interest rate hikes, impacting borrowers and the wider economy.

MNN Take: Government bond yields move with investor confidence and global events; conflict-related uncertainty has pushed UK borrowing costs up, signalling caution in financial markets.

Sources: Guardian UK