A floating church, a home perched on a water tower, brutalist council offices given new life as a high-end hotel and key worker housing at Cambridge University are among 54 winners of this year’s RIBA National Awards.

Today’s announcement will trigger feverish speculation about which buildings will make it on to the Stirling Prize shortlist which is due to be announced next week.

The National Awards are viewed by many as the long-list for UK architecture’s highest accolade.

This year’s awards “showcase the extraordinary breadth and brilliance of UK architecture today”, said the judges.

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