4th Utility broadband deals
4th Utility has 17 broadband packages in our comparison, from £18 a month and up to 2.3Gbps. Enter your postcode to see which reach your address.
Deals come from our comparison partner and MoneyHQ may earn a commission if you take one.
What 4th Utility is selling right now
17 packages, £18 to £55 a month, 150Mbps to 2.3Gbps. 17 full fibre. 17 state a mid-contract rise.
| Package | Speed | A month | Contract | Setup | Rise |
|---|---|---|---|---|---|
| 150Mb Full Fibre CityFibre (24 Months)4th Utility | 150Mbps | £18 | 24 months | Free | £18 from Sept 2027 |
| 250Mb Full Fibre CityFibre (24 Months)4th Utility | 250Mbps | £22 | 24 months | Free | £22 from Sept 2027 |
| 500Mb Full Fibre CityFibre (24 Months)4th Utility | 500Mbps | £25 | 24 months | Free | £25 from Sept 2027 |
| 1Gb Full Fibre CityFibre (24 Months)4th Utility | 1Gbps | £26 | 24 months | Free | £26 from Sept 2027 |
| 150Mb Full Fibre CityFibre (12 Months)4th Utility | 150Mbps | £29 | 12 months | Free | £33 from Mar 2027 |
| 150Mbps Full Fibre (24 Months)4th Utility | 150Mbps | £30 | 24 months | Free | £30 from Sept 2027 |
| 250Mb Full Fibre CityFibre (12 Months)4th Utility | 250Mbps | £31 | 12 months | Free | £35 from Mar 2027 |
| 150Mb Full Fibre (24 Months)4th Utility | 150Mbps | £32 | 24 months | Free | £32 from Sept 2027 |
Figures read from our comparison partner’s feed on 17 September 2026, across a sample of UK postcodes. What reaches your address is what the postcode check above shows. Prices, allowances and rises are stated by each provider and can change.
4th Utility broadband: questions people ask
What is the lowest 4th Utility broadband price?
The lowest monthly price we saw for 4th Utility on 17 September 2026 was £18 a month for 150Mb Full Fibre CityFibre (24 Months) (150Mbps average download) on a 24 months contract. Prices differ by address, so enter your postcode above to see what applies to yours.
What is the fastest 4th Utility broadband package?
The fastest 4th Utility package in our sample is 2.3Gb Full Fibre CityFibre (24 Months) at 2.3Gbps average download, from £35 a month. Whether that speed reaches your building depends on the line to your address.
How long are 4th Utility broadband contracts?
4th Utility's packages in our sample run for 12 months and 24 months. A longer contract usually means a lower monthly price but exit fees if you leave early.
Does 4th Utility put prices up mid-contract?
Yes for 17 of the 17 packages we saw: each states the pound amount and the date it rises, and the comparison above shows the rise on every deal.
Is 4th Utility full fibre?
17 of the 17 4th Utility packages we saw are full fibre (fibre to the premises). Full fibre availability is street by street, so the postcode check is the only way to know for your address.