19 providers offer 219 broadband deals in Belfast, from £15.00 a month and up to 7,000 Mbps. Typical measured speed is 172 Mbps down and 26 Mbps up, 70% above the UK download average.
Best value broadband deal in Belfast
The best value in Belfast 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 Belfast
£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 Belfast
The fastest deal available in Belfast is You 8000 from YouFibre at 7,000 Mbps.
Fastest in Belfast
£99/mo
No rises, no surprises.
£1188 total over 12 months
Cheapest broadband deal in Belfast
The cheapest deal in Belfast is Fast 24m from giffgaff at £5.00 a month for 200 Mbps. It's full fibre, so the advertised speed is the speed that reaches the router. The £5.00 is an intro price that rises to £25.00 a month after the intro window, making the real first-year cost £180. Comfortably faster than the UK average.
Cheapest in Belfast
£5/mo
for 6 months, then £25/mo
Avg £20/mo over contract · £480 total over 24 months
Compare broadband deals in Belfast
£5/mo
for 6 months, then £28/mo
Avg £22.25/mo over contract · £534 total over 24 months
Full Fibre 1.6GB Premium
115 Mbps upload · Full Fibre
Best for power users & big households
£33.99/mo
rises to £37.99 in March 2027 (+£4)
Avg £37.32/mo over contract · £896 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
Onestream Fibre 55
10 Mbps upload · Hybrid Fibre
Best for small homes, single 4K streamer
£19.94/mo
rises to £22.69 in April 2027 (+£2.75)
Avg £22/mo over contract · £528 total over 24 months
Broadband providers in Belfast
19 providers serve Belfast, with YouFibre the fastest at 7,000 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 Belfast download speed at 172 Mbps.
Upgrade nudge
Room to upgrade in Belfast
Only 25% of the 104,000 connections here are on 300Mbps or faster, even though 93% 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 Belfast line runs 172 Mbps.
Working from home
OKStreaming and family use
GoodWhat speeds are people actually getting?
Gigabit reaches 93% of Belfast, and the fastest available is 1,000 Mbps. The full split by band is below.
Which broadband networks reach Belfast?
The wholesale networks carrying Belfast broadband, from Openreach to Virgin Media and the altnets, read off the live deals.
Live altnets in Belfast, drawn from the providers actually selling deals here. Where they reach, the gigabit prices are normally the lowest on the page.
- CityFibre: Sky, The One Broadband, Vodafone
- 4th Utility: 4th Utility, Rise Fibre
Behind the altnets, Openreach and Virgin Media O2 run as the major-network options (Openreach is the country-wide baseline, so it's a given).
Provider competition in Belfast: 19 providers actively in the market.
What broadband coverage does Belfast have?
Superfast broadband reaches 98% of Belfast premises and gigabit 93%, on Ofcom's premise-level data.
Can I rely on mobile broadband in Belfast?
Outdoor 5G reaches 100% of Belfast homes. Here is how mobile holds up if the line drops.
5G & 4G home broadband
Outdoor 5G covers 100% of Belfast, enough for a 5G home-broadband hub to stand in for a fixed line.
Broadband speeds by Belfast neighbourhood
Measured speeds range from 183 Mbps in Shankill to 81 Mbps in Duncairn, so your street matters more than the Belfast average.
| Neighbourhood | Median | vs area | Upload | Superfast | Gigabit | 5G |
|---|---|---|---|---|---|---|
| Shankill BT13 | 183 | +11 | 27 | 98% | 95% | 100% |
| Musgrave BT10 | 180 | +7 | 27 | 100% | 97% | 100% |
| Shaw's Road BT11 | 177 | +5 | 26 | 100% | 97% | 100% |
| Dunmurry BT17 | 172 | 0 | 28 | 100% | 95% | 100% |
| Shandon BT5 | 172 | 0 | 27 | 99% | 97% | 100% |
| Water Works BT14 | 172 | 0 | 26 | 99% | 97% | 100% |
| Windsor BT9 | 172 | -1 | 26 | 99% | 95% | 100% |
| Connswater BT4 | 172 | -1 | 27 | 98% | 93% | 100% |
| Falls BT12 | 170 | -2 | 25 | 99% | 92% | 100% |
| Central BT2 | 170 | -2 | 19 | 93% | 86% | 100% |
| Woodstock BT6 | 169 | -3 | 26 | 100% | 97% | 100% |
| Duncairn BT15 | 167 | -6 | 26 | 99% | 94% | 100% |
| Central BT7 | 166 | -6 | 24 | 96% | 91% | 100% |
| Central BT1 | 95 | -78 | 24 | 81% | 69% | 100% |
| Duncairn BT3 | 81 | -91 | 27 | 82% | 57% | 100% |
Measured Ofcom data per Belfast neighbourhood, ranked fastest first. Median and upload are in Mbps; vs area is the median difference from the Belfast average; superfast, gigabit and 5G are the % of premises covered. Swipe the table sideways for more columns.
Nearby areas
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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 Belfastcome 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.