2.3Gb Full Fibre CityFibre (24 Months)
2300Mbps download
24-month contract£26.25 for 12 months£0 upfront
£26.25/mo
for 12 months, then £35/mo
4th Utility Broadband Deals
32 results
1Gb Full Fibre CityFibre (24 Months)
1000Mbps download
24-month contract£19.50 for 12 months£0 upfront
£19.50/mo
for 12 months, then £26/mo
£21/mo
for 12 months, then £28/mo
£21/mo
for 12 months, then £28/mo
£55/mo
rises to £59 in March 2027 (+£4)
£22/mo
for 12 months, then £44/mo
£25.50/mo
No rises, no surprises.
£27/mo
for 12 months, then £36/mo
£30/mo
rises to £34 in March 2027 (+£4)
£36/mo
rises to £40 in March 2027 (+£4)
Showing 10 of 32
4th Utility delivers broadband via 4th Utility and CityFibre.
Tools for 4th Utility customers
Speed test
Test your 4th Utility speed
Measure your line, compare it against what 4th Utility promised, and see if a faster package is available at your address.
Troubleshooter
Fix 4th Utility problems
Conversational diagnostic: outage check, line probe, fix list, and switch options if it's not worth waiting.
About 4th Utility
4th Utility broadband
Updated 30 April 2026
