Broadband Altnet Fibrus Expand UK Full Fibre Network to 450,000 Premises
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.
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.
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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.
Mark is a professional technology writer, IT consultant and computer engineer from Dorset (England), he also founded ISPreview in 1999 and enjoys analysing the latest telecoms and broadband developments. Find me on X (Twitter), Mastodon, Facebook, BlueSky, Threads.net and Linkedin.
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Last year openreach stated they had no future build plans for FTTP in most of rural Cumbria. But now Fibrus are rapidly rolling out fttp in Cumbria it seems openreach have changed their mind and now plan to install FTTP in most of Cumbria within the next 12 months.
Guess it’s good for residents having more choice in providers, but hopefully Fibrus gain more fttp customers in them areas as it does seem rather sneaky that openreach didn’t plan to build, but then they suddenly change their mind once an Altnet does it first