Northleaf and KCOM. When competition arrives what does it mean for incumbents?

The reported interest in KCOM raises a question that applies well beyond a single deal: in a market where fibre has been built and rebuilt several times over, what is an incumbent footprint actually worth?

Our infrastructure data lets us answer that at postcode granularity.

The chart below maps the six local authorities where KCOM and Quickline both operate, placing each by its overbuild index — the average number of FTTP networks per premises — against the number of operators competing for those homes. Bubble size is the premises count; colour marks the leading network.

It's a clear distinction. Only Hull sits in the low-contest corner, and even there the days of a clean monopoly are gone: 2.31× overbuild and eight operators already press on pricing.

Everywhere else, both KCOM and Quickline find themselves in territory built two and three times over — competing less with each other than with BT, Sky and a thick field of altnets. Footprint, in other words, is not the same as defensible market position.

Distinguishing the two is what our Broadband Graph is built to do — combining infrastructure mapping, competitive intensity and take-up modelling to show not just where networks reach, but where they can still earn.

For operators, investors and policymakers weighing the next wave of consolidation, that distinction is increasingly the whole story.