Broadband Altnet Fibrus Expand UK Full Fibre Network to 450,000 Premises | ISPreview UK

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Infracapital-backed alternative broadband ISP Fibrus, which is building a full fibre network across parts of Cumbria (England) and has already completed one in Northern Ireland, have revealed that their Fibre-to-the-Premises (FTTP) infrastructure now covers a total of 450,000 UK premises (up from 440k in Sept 2025).

Fibrus’s main focus is currently on their deployment across rural parts of Cumbria (they’ve already reached over 100k premises there), which reflects a mix of both commercial build and publicly funded work via their Project Gigabit contract in the same region (Lot 28). As of August 2025, their Project Gigabit contract accounted for about 17,500 of that 100k premises passed total.

NOTE: Fibrus is backed by a total investment of around £893m, including £320m of committed debt, £200m in current and committed equity funding and £373m of government funding (e.g. £23m FFNI, £200m Project Stratum – 81,000+ premises in N.Ireland – and the c.£150m Project Gigabit contract for 53,500 premises in Cumbria – Hyperfast GB).

The provider has previously stated (here) that their current build target is to reach over 140,000 premises in Cumbria, which they “are on track to reach by the end of the financial year” (end of March 2026). The operator has also connected a total of over 130,000 customers (Nov 2025) to their UK network, which is up from 113k in March 2025.

Conor Harrison, Chief Delivery Officer at Fibrus, said:

“Our Viberoptix build organisation has yet again delivered another quarter of solid build performance across both our commercial and government funded build programmes. Well done to the whole team on achieving another milestone – on time and on budget!”

New customers to the service currently pay from £17.99 per month for an unlimited 159Mbps (34Mbps upload) package with an included router and free installation, which rises to just £32.99 per month for their top 982Mbps (310Mbps upload) tier on a 24-month contract term. The top tier also benefits from a £100 Amazon gift card. Service discounts may vary between different parts of their build.

NOTE: Infracapital also owns or has stakes in Gigaclear, Ogi, Neos Networks and WightFibre etc.

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