19 providers offer 246 broadband deals in Sunbury-on-Thames, from £13.50 a month and up to 2,300 Mbps. Typical measured speed is 108 Mbps down and 23 Mbps up, 7% above the UK download average.
Best value broadband deal in Sunbury-on-Thames, Spelthorne
The best value in Sunbury-on-Thames, Spelthorne 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 Sunbury-on-Thames, Spelthorne
£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 Sunbury-on-Thames, Spelthorne
The fastest deal available in Sunbury-on-Thames, Spelthorne is Full Fibre Max from Zen Internet at 2,300 Mbps. Next fastest is Full Fibre 1.6GB Premium from EE at 1,600 Mbps.
Fastest in Sunbury-on-Thames, Spelthorne
£54/mo
No rises, no surprises.
£1296 total over 24 months
Runner-up on speed
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
Cheapest broadband deal in Sunbury-on-Thames, Spelthorne
The cheapest deal in Sunbury-on-Thames, Spelthorne is 150Mbps Full Fibre (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 Sunbury-on-Thames, Spelthorne
150Mbps Full Fibre (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 Sunbury-on-Thames, Spelthorne
£5/mo
for 6 months, then £25/mo
Avg £20/mo over contract · £480 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
150Mbps Full Fibre (24 Months)
150 Mbps upload · Full Fibre
Best for 2–3 person homes, 4K streaming
£18/mo
for 12 months, then £23/mo
Avg £20.50/mo over contract · £492 total over 24 months
Broadband providers in Sunbury-on-Thames, Spelthorne
19 providers serve Sunbury-on-Thames, Spelthorne, with Zen Internet the fastest at 2,300 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 Sunbury-on-Thames, Spelthorne download speed at 108 Mbps.
Upgrade nudge
Room to upgrade in Sunbury-on-Thames, Spelthorne
Only 19% of the 6,300 connections here are on 300Mbps or faster, even though 95% 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 Sunbury-on-Thames, Spelthorne line runs 108 Mbps.
Working from home
OKStreaming and family use
GoodWhat speeds are people actually getting?
Gigabit reaches 95% of Sunbury-on-Thames, Spelthorne, and the fastest available is 1,000 Mbps. The full split by band is below.
Which broadband networks reach Sunbury-on-Thames, Spelthorne?
The wholesale networks carrying Sunbury-on-Thames, Spelthorne broadband, from Openreach to Virgin Media and the altnets, read off the live deals.
Live altnets in Sunbury-on-Thames, Spelthorne, 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, Zen Internet
- 4th Utility: 4th Utility, Rise Fibre
- Hyperoptic
Behind the altnets, Openreach and Virgin Media O2 run as the major-network options (Openreach is the default network, in case the rest haven't reached your street).
Real provider count in Sunbury-on-Thames, Spelthorne: 19 actively selling into addresses.
What broadband coverage does Sunbury-on-Thames, Spelthorne have?
Superfast broadband reaches 100% of Sunbury-on-Thames, Spelthorne premises and gigabit 95%, on Ofcom's premise-level data.
Can I rely on mobile broadband in Sunbury-on-Thames, Spelthorne?
Outdoor 5G reaches 100% of Sunbury-on-Thames, Spelthorne homes. Here is how mobile holds up if the line drops.
5G & 4G home broadband
Outdoor 5G covers 100% of Sunbury-on-Thames, Spelthorne, enough for a 5G home-broadband hub to stand in for a fixed line.
More areas in Spelthorne
Nearby areas
Frequently asked questions
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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 Sunbury-on-Thames, Spelthornecome 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.