Warburg Pincus and KKR are said to be exploring sales of their UK fibre broadband businesses including Community Fibre
Warburg Pincus and KKR are exploring the sale of their UK full-fibre broadband businesses, including Community Fibre, according to a Financial Times report. The move reflects mounting pressure on so-called altnets (alternative network operators — telecoms infrastructure businesses that compete with BT Openreach) to find exit strategies as the sector faces a convergence of headwinds: intensifying competition from incumbents, rising build-out costs, and tightening access to capital. Community Fibre, which has been backed by Warburg Pincus since 2020, had reached more than 1.3 million premises passed and around 400,000 customers by late 2025, making it one of the larger independent full-fibre players in the UK. Despite that scale, the broader altnet sector has struggled to reach the subscriber densities needed to justify continued capital deployment at current valuations. The exploration of a sale by two major private equity sponsors simultaneously underscores that consolidation in the UK fibre market is no longer a question of if but when. Potential buyers are likely to include rival infrastructure funds, strategic telecoms operators, or larger fibre platforms seeking to aggregate regional footprints. No deal values or formal sale processes have been confirmed. No legal advisers have been named in the sources.
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