Costar Data Shows Big Six Q1 Office Investment Volumes at Their Highest Since 2018

LONDON--(BUSINESS WIRE)--The Big Six office investments reached an eight-year high in the first quarter of 2026, according to data from CoStar, a global leading provider of online real estate marketplaces, information and analytics in the property markets. Investors spent £485m across Birmingham, Bristol, Edinburgh, Glasgow, Leeds and Manchester in the first quarter of the year, slightly above the five-year average. Manchester led activity for the second consecutive quarter, with volumes exceed.