19 providers offer 264 broadband deals in Welwyn Hatfield, from £13.50 a month and up to 5,000 Mbps. Typical measured speed is 124 Mbps down and 21 Mbps up, 23% above the UK download average.
Best value broadband deal in Welwyn Hatfield
The best value in Welwyn Hatfield 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 Welwyn Hatfield
£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 Welwyn Hatfield
The fastest deal available in Welwyn Hatfield is Full Fibre 5 Gigafast+ from Sky at 5,000 Mbps.
Fastest in Welwyn Hatfield
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 Welwyn Hatfield
The cheapest deal in Welwyn Hatfield 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 Welwyn Hatfield
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 Welwyn Hatfield
£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 Welwyn Hatfield
19 providers serve Welwyn Hatfield, 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 Welwyn Hatfield download speed at 124 Mbps.
Upgrade nudge
Room to upgrade in Welwyn Hatfield
Only 18% of the 34,000 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 Welwyn Hatfield line runs 124 Mbps.
Working from home
OKStreaming and family use
GoodWhat speeds are people actually getting?
Gigabit reaches 83% of Welwyn Hatfield, and the fastest available is 1,000 Mbps. The full split by band is below.
Which broadband networks reach Welwyn Hatfield?
The wholesale networks carrying Welwyn Hatfield broadband, from Openreach to Virgin Media and the altnets, read off the live deals.
Working altnets in Welwyn Hatfield, listed by what their resellers are actually selling. Each footprint stops and starts a few doors apart, so address-checking matters more than usual.
- CityFibre: Sky, The One Broadband, Vodafone
- 4th Utility: 4th Utility, Rise Fibre
Add to the list Openreach and Virgin Media O2 (Openreach is the country-wide baseline, so it's a given).
Real provider count in Welwyn Hatfield: 19 actively selling into addresses.
What broadband coverage does Welwyn Hatfield have?
Superfast broadband reaches 95% of Welwyn Hatfield premises but gigabit only 83%, so around 12% of homes can get fast broadband but not the fastest.
Can I rely on mobile broadband in Welwyn Hatfield?
Outdoor 5G reaches 100% of Welwyn Hatfield homes. Here is how mobile holds up if the line drops.
5G & 4G home broadband
Outdoor 5G covers 100% of Welwyn Hatfield, enough for a 5G home-broadband hub to stand in for a fixed line.
Broadband speeds by Welwyn Hatfield neighbourhood
Measured speeds range from 139 Mbps in Peartree to 61 Mbps in Welwyn, so your street matters more than the Welwyn Hatfield average.
| Neighbourhood | Median | vs area | Upload | Superfast | Gigabit | 5G |
|---|---|---|---|---|---|---|
| Peartree AL7 | 139 | +15 | 22 | 97% | 92% | 100% |
| Handside AL8 | 139 | +14 | 21 | 96% | 90% | 100% |
| Hatfield AL10 | 130 | +5 | 21 | 97% | 83% | 100% |
| Brookmans Park and Little Heath AL9 | 128 | +3 | 24 | 88% | 62% | 100% |
| Welwyn AL6 | 61 | -63 | 14 | 94% | 70% | 100% |
Measured Ofcom data per Welwyn Hatfield neighbourhood, ranked fastest first. Median and upload are in Mbps; vs area is the median difference from the Welwyn Hatfield 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 Welwyn Hatfieldcome 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.