20 providers offer 295 broadband deals in Chelmsford, from £13.50 a month and up to 5,000 Mbps. Typical measured speed is 104 Mbps down and 24 Mbps up, 3% above the UK download average.
Best value broadband deal in Chelmsford
The best value in Chelmsford on full first-year cost is Plusnet's Full Fibre 145: £292 across year one, about £24 a month. A £155 reward card is bundled in. 145 Mbps covers streaming, video calls and working from home.
Best value in Chelmsford
£22.99/mo
rises to £26.99 in March 2027 (+£4)
Avg £26.32/mo over contract · £632 total over 24 months
Fastest broadband deal in Chelmsford
The fastest deal available in Chelmsford is Full Fibre 5 Gigafast+ from Sky at 5,000 Mbps.
Fastest in Chelmsford
Full Fibre 5 Gigafast+
3000 Mbps upload · Full Fibre
Best for power users & big households
£80/mo
No rises, no surprises.
£1925 total over 24 months
Cheapest broadband deal in Chelmsford
The cheapest deal in Chelmsford is 150Mb Full Fibre CityFibre (24 Months) from 4th Utility at £13.50 a month for 150 Mbps. It's full fibre, so the advertised speed is the speed that reaches the router. The £13.50 is an intro price that rises to £18.00 a month after the intro window, making the real first-year cost £162. giffgaff is essentially level at £15.00 a month. Above the UK average on download.
Cheapest in Chelmsford
150Mb Full Fibre CityFibre (24 Months)
150 Mbps upload · Full Fibre
Best for 2–3 person homes, 4K streaming
£13.50/mo
for 12 months, then £18/mo
Avg £15.75/mo over contract · £378 total over 24 months
Runner-up on price
£5/mo
for 6 months, then £25/mo
Avg £20/mo over contract · £480 total over 24 months
Compare broadband deals in Chelmsford
£5/mo
for 6 months, then £25/mo
Avg £20/mo over contract · £480 total over 24 months
£29/mo
rises to £31 in April 2027 (+£2)
Avg £30.50/mo over contract · £732 total over 24 months
Sky Full Fibre Gigafast
100 Mbps upload · Full Fibre
Best for power users & big households
£31/mo
No rises, no surprises.
£749 total over 24 months
150Mb Full Fibre CityFibre (24 Months)
150 Mbps upload · Full Fibre
Best for 2–3 person homes, 4K streaming
£18.50/mo
for 12 months, then £23.50/mo
Avg £21/mo over contract · £504 total over 24 months
Broadband providers in Chelmsford
20 providers serve Chelmsford, with Sky the fastest at 5,000 Mbps.
Ranked by Ofcom complaints per 100,000 customers, fewest first. A down arrow is below the industry average, up is above, and a dash means Ofcom publishes no figure for that provider (usually because it is below Ofcom's 1.5% market-share reporting threshold). A small diagonal arrow shows the past-year trend (↘ improving, ↗ getting worse).
Ofcom records the typical Chelmsford download speed at 104 Mbps.
Upgrade nudge
Room to upgrade in Chelmsford
Only 15% of the 56,000 connections here are on 300Mbps or faster, even though 83% can get gigabit.
The faster line is already there. For most of these homes it is the contract holding them back, not the infrastructure.
Is your broadband good enough?
The typical Chelmsford line runs 104 Mbps.
Working from home
OKStreaming and family use
GoodWhat speeds are people actually getting?
Gigabit reaches 83% of Chelmsford, and the fastest available is 1,000 Mbps. The full split by band is below.
Which broadband networks reach Chelmsford?
The wholesale networks carrying Chelmsford broadband, from Openreach to Virgin Media and the altnets, read off the live deals.
Apart from Openreach, here is the network roster for Chelmsford. The smaller altnets are normally the cheapest gigabit when they reach you, and the most patchy when they don't.
- 4th Utility: 4th Utility, Rise Fibre
- CityFibre: Sky, The One Broadband, Vodafone
- Hyperoptic
Sitting alongside, Openreach and Virgin Media O2 cover Chelmsford as well (Openreach reaches almost every UK doorstep, including yours).
We are seeing 20 providers selling deals into Chelmsford today.
What broadband coverage does Chelmsford have?
Superfast broadband reaches 96% of Chelmsford premises but gigabit only 83%, so around 13% of homes can get fast broadband but not the fastest.
Can I rely on mobile broadband in Chelmsford?
Outdoor 5G reaches 100% of Chelmsford homes. Here is how mobile holds up if the line drops.
5G & 4G home broadband
Outdoor 5G covers 100% of Chelmsford, enough for a 5G home-broadband hub to stand in for a fixed line.
Broadband speeds by Chelmsford neighbourhood
Measured speeds range from 124 Mbps in Moulsham and to 77 Mbps in Hatfield Peverel, so your street matters more than the Chelmsford average.
| Neighbourhood | Median | vs area | Upload | Superfast | Gigabit | 5G |
|---|---|---|---|---|---|---|
| Moulsham and CM2 | 124 | +20 | 25 | 98% | 90% | 100% |
| Marconi CM1 | 113 | +9 | 25 | 97% | 92% | 100% |
| Hatfield Peverel CM3 | 77 | -27 | 30 | 94% | 76% | 100% |
Measured Ofcom data per Chelmsford neighbourhood, ranked fastest first. Median and upload are in Mbps; vs area is the median difference from the Chelmsford average; superfast, gigabit and 5G are the % of premises covered. Swipe the table sideways for more columns.
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* Based on Go.Compare research estimating that 28% of UK broadband users pay for faster broadband speeds than they need (which we interpret as overpaying), equivalent to around 7.5m UK households.
Speed and coverage figures for Chelmsfordcome from Ofcom's Connected Nations data, current to January 2026. Deal prices are pulled live from providers. Compiled by the FindBroadband team. See how we rank and source our data.