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.
Our pick
4th Utility, 900Mb Full Fibre (24 Months)MoneyHQ may earn a commission if you take this deal. It never changes the price you pay or the order deals are shown in. How we make money
- 900Mbps average download
- 24 months
- No setup fee
- £44 from Nov 2027
£44a month
£44 a month all in, £1,056 over the contract
Go to deal: 4th Utility, 900Mb Full Fibre (24 Months), £44 a month900Mbps from 4th Utility for £44 a month with no setup fee over 24 months. It rises to £44 from Nov 2027.
Found at 19 of the 52 postcodes we check. Whether it reaches your address is the provider's check, after you click.
How we chose it
The most speed for the money: the download speed (counted up to 900Mbps) divided by what the contract costs, setup and stated rises included, less any reward card. This one scores 0.8523. Read from our comparison partner.
Sold by 4th Utility. MoneyHQ may earn a commission if you take it.
Deals come from our comparison partner and MoneyHQ may earn a commission if you take one.
What 4th Utility broadband really costs
Across 17 4th Utility broadband plans (no TV or mobile), the lowest true monthly cost is £18 a month (150Mb Full Fibre CityFibre (24 Months), 150Mbps, £18 a month, 24 months, no setup fee).
By speed
| Average download | Plans | Lowest true cost a month | That plan |
|---|---|---|---|
| 100 to 499Mbps | 8 | £18 | 150Mb Full Fibre CityFibre (24 Months), 150Mbps, £18 a month, 24 months, no setup fee |
| 500 to 899Mbps | 3 | £25 | 500Mb Full Fibre CityFibre (24 Months), 500Mbps, £25 a month, 24 months, no setup fee |
| 900Mbps and faster | 6 | £26 | 1Gb Full Fibre CityFibre (24 Months), 1Gbps, £26 a month, 24 months, no setup fee |
By contract length
| Contract | Plans | Lowest true cost a month | That plan |
|---|---|---|---|
| 12 months | 5 | £31.67 | 150Mb Full Fibre CityFibre (12 Months), 150Mbps, £29 a month, 12 months, no setup fee |
| 24 months | 12 | £18 | 150Mb Full Fibre CityFibre (24 Months), 150Mbps, £18 a month, 24 months, no setup fee |
4th Utility against the national networks
Against the national network that charges least for as fast a line, or nearly.
| Speed | Difference | 4th Utility | Lowest elsewhere |
|---|---|---|---|
| 100 to 499Mbps | £5.32 lessa month | £18 150Mb Full Fibre CityFibre (24 Months), 150Mbps | £23.32 Virgin Media M125 Broadband Only, 132Mbps |
| 500 to 899Mbps | £1.32 lessa month | £25 500Mb Full Fibre CityFibre (24 Months), 500Mbps | £26.32 Virgin Media M500 Fibre broadband, 516Mbps |
| 900Mbps and faster | £2.32 lessa month | £26 1Gb Full Fibre CityFibre (24 Months), 1Gbps | £28.32 Virgin Media Gig1 Broadband Only, 1.1Gbps |
Price rises
5 of 17 fixed-term plans state a mid-contract rise. On the lowest of those, the rises add £32 over 12 months. The lowest with no stated rise works out at £18 a month (150Mb Full Fibre CityFibre (24 Months), 150Mbps, £18 a month, 24 months, no setup fee).
Setup fees
None of the 17 fixed-term plans charges a setup fee.
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 | Go to deal |
|---|---|---|---|---|---|---|
| 4th Utility | 150Mbps | £18 | 24 months | Free | £18 from Nov 2027 | Check deal: 150Mb Full Fibre CityFibre (24 Months) from 4th Utility, £18 a monthMoneyHQ may earn a commission if you take this deal. It never changes the price you pay or the order deals are shown in. How we make money |
| 4th Utility | 250Mbps | £22 | 24 months | Free | £22 from Nov 2027 | Check deal: 250Mb Full Fibre CityFibre (24 Months) from 4th Utility, £22 a monthMoneyHQ may earn a commission if you take this deal. It never changes the price you pay or the order deals are shown in. How we make money |
| 4th Utility | 500Mbps | £25 | 24 months | Free | £25 from Nov 2027 | Check deal: 500Mb Full Fibre CityFibre (24 Months) from 4th Utility, £25 a monthMoneyHQ may earn a commission if you take this deal. It never changes the price you pay or the order deals are shown in. How we make money |
| 4th Utility | 1Gbps | £26 | 24 months | Free | £26 from Nov 2027 | Check deal: 1Gb Full Fibre CityFibre (24 Months) from 4th Utility, £26 a monthMoneyHQ may earn a commission if you take this deal. It never changes the price you pay or the order deals are shown in. How we make money |
| 4th Utility | 150Mbps | £29 | 12 months | Free | £33 from Mar 2027 | Check deal: 150Mb Full Fibre CityFibre (12 Months) from 4th Utility, £29 a monthMoneyHQ may earn a commission if you take this deal. It never changes the price you pay or the order deals are shown in. How we make money |
| 4th Utility | 150Mbps | £30 | 24 months | Free | £30 from Nov 2027 | Check deal: 150Mbps Full Fibre (24 Months) from 4th Utility, £30 a monthMoneyHQ may earn a commission if you take this deal. It never changes the price you pay or the order deals are shown in. How we make money |
| 4th Utility | 250Mbps | £31 | 12 months | Free | £35 from Mar 2027 | Check deal: 250Mb Full Fibre CityFibre (12 Months) from 4th Utility, £31 a monthMoneyHQ may earn a commission if you take this deal. It never changes the price you pay or the order deals are shown in. How we make money |
| 4th Utility | 150Mbps | £32 | 24 months | Free | £32 from Nov 2027 | Check deal: 150Mb Full Fibre (24 Months) from 4th Utility, £32 a monthMoneyHQ may earn a commission if you take this deal. It never changes the price you pay or the order deals are shown in. How we make money |
Read from our comparison partner’s feed on 1 November 2026 across sample UK postcodes; the postcode check shows what reaches yours. Providers set the prices and can change them. Tables built automatically by rules MoneyHQ sets: ordered by what deals cost, never by commission. How we make money.
4th Utility broadband: questions people ask
What is the lowest 4th Utility broadband price?
The lowest monthly price we saw for 4th Utility on 1 November 2026 was £18 a month for 150Mb Full Fibre CityFibre (24 Months) (150Mbps average download) on a 24-month contract.
What is the fastest 4th Utility broadband package?
The fastest 4th Utility broadband package in our sample is 2.3Gb Full Fibre CityFibre (24 Months) at 2.3Gbps average download, from £35 a month.
How long are 4th Utility broadband contracts?
4th Utility's packages in our sample run for 12 months and 24 months.
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.
Is 4th Utility broadband full fibre?
17 of the 17 4th Utility broadband packages we saw are full fibre (fibre to the premises).