19 providers offer 284 broadband deals in Ascot, from £13.50 a month and up to 5,000 Mbps. Typical measured speed is 66 Mbps down and 35 Mbps up, 35% below the UK download average.
Best value broadband deal in Ascot, Windsor and Maidenhead (SL5)
The best value in Ascot, Windsor and Maidenhead (SL5) 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 Ascot, Windsor and Maidenhead (SL5)
£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 Ascot, Windsor and Maidenhead (SL5)
The fastest deal available in Ascot, Windsor and Maidenhead (SL5) is Full Fibre 5 Gigafast+ from Sky at 5,000 Mbps.
Fastest in Ascot, Windsor and Maidenhead (SL5)
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 Ascot, Windsor and Maidenhead (SL5)
The cheapest deal in Ascot, Windsor and Maidenhead (SL5) 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. Above the UK average on download.
Cheapest in Ascot, Windsor and Maidenhead (SL5)
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
Compare broadband deals in Ascot, Windsor and Maidenhead (SL5)
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
£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
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 Ascot, Windsor and Maidenhead (SL5)
19 providers serve Ascot, Windsor and Maidenhead (SL5), 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 Ascot, Windsor and Maidenhead (SL5) download speed at 66 Mbps.
Upgrade nudge
Room to upgrade in Ascot, Windsor and Maidenhead (SL5)
Only 9% of the 7,000 connections here are on 300Mbps or faster, even though 87% 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 Ascot, Windsor and Maidenhead (SL5) line runs 66 Mbps.
Working from home
OKStreaming and family use
OKWhat speeds are people actually getting?
Gigabit reaches 87% of Ascot, Windsor and Maidenhead (SL5), and the fastest available is 1,000 Mbps. The full split by band is below.
Which broadband networks reach Ascot, Windsor and Maidenhead (SL5)?
The wholesale networks carrying Ascot, Windsor and Maidenhead (SL5) broadband, from Openreach to Virgin Media and the altnets, read off the live deals.
Real altnet coverage in Ascot, Windsor and Maidenhead (SL5), not the press release version. The list comes from who is actually selling deals at addresses here, network by network.
- CityFibre: Sky, TalkTalk, The One Broadband, Vodafone, Zen Internet
- 4th Utility: 4th Utility, Rise Fibre
- Hyperoptic
Plus Openreach (Openreach is on every street, so the interesting variable is the altnets).
Right now 19 providers are running deals to addresses in Ascot, Windsor and Maidenhead (SL5).
What broadband coverage does Ascot, Windsor and Maidenhead (SL5) have?
Superfast broadband reaches 98% of Ascot, Windsor and Maidenhead (SL5) premises but gigabit only 87%, so around 11% of homes can get fast broadband but not the fastest.
Can I rely on mobile broadband in Ascot, Windsor and Maidenhead (SL5)?
Outdoor 5G reaches 100% of Ascot, Windsor and Maidenhead (SL5) homes. Here is how mobile holds up if the line drops.
5G & 4G home broadband
Outdoor 5G covers 100% of Ascot, Windsor and Maidenhead (SL5), enough for a 5G home-broadband hub to stand in for a fixed line.
How Ascot, Windsor and Maidenhead (SL5) compares within Windsor and Maidenhead
Across 3 postcode districts in Windsor and Maidenhead, by premises count, typical speed and gigabit coverage.
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 Ascot, Windsor and Maidenhead (SL5)come 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.