20 providers offer 320 broadband deals in Clapham, from £13.50 a month and up to 5,000 Mbps. Typical measured speed is 67 Mbps down and 15 Mbps up, 34% below the UK download average.
Best value broadband deal in Clapham, Arun
The best value in Clapham, Arun 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 Clapham, Arun
£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 Clapham, Arun
The fastest deal available in Clapham, Arun is Full Fibre 5 Gigafast+ from Sky at 5,000 Mbps.
Fastest in Clapham, Arun
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 Clapham, Arun
The cheapest deal in Clapham, Arun 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 Clapham, Arun
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 Clapham, Arun
£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
100 Mbps Fibre Broadband (24m)
100 Mbps upload · Full Fibre
Best for 2–3 person homes, 4K streaming
£14/mo
rises to £17 in April 2027 (+£3)
Avg £16.25/mo over contract · £390 total over 24 months
Broadband providers in Clapham, Arun
20 providers serve Clapham, Arun, 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 Clapham, Arun download speed at 67 Mbps.
Is your broadband good enough?
The typical Clapham, Arun line runs 67 Mbps.
Working from home
OKStreaming and family use
OKWhat speeds are people actually getting?
Gigabit reaches 3% of Clapham, Arun, and the fastest available is 80 Mbps. The full split by band is below.
Which broadband networks reach Clapham, Arun?
The wholesale networks carrying Clapham, Arun broadband, from Openreach to Virgin Media and the altnets, read off the live deals.
Altnets reaching Clapham, Arun: the full-fibre networks that compete with Openreach. Where they reach, they're usually the cheapest gigabit option.
- CityFibre: Sky, TalkTalk, The One Broadband, Vodafone, Zen Internet
- 4th Utility: 4th Utility, Rise Fibre
- Community Fibre
Layered on top, Openreach and Virgin Media O2 also reach this area (Openreach has a nationwide footprint, so it'll be available).
20 providers compete for Clapham, Arun broadband customers right now.
What broadband coverage does Clapham, Arun have?
Superfast broadband reaches 77% of Clapham, Arun premises but gigabit only 3%, so around 74% of homes can get fast broadband but not the fastest.
Can I rely on mobile broadband in Clapham, Arun?
Outdoor 5G reaches 100% of Clapham, Arun homes. Here is how mobile holds up if the line drops.
5G & 4G home broadband
Outdoor 5G covers 100% of Clapham, Arun, enough for a 5G home-broadband hub to stand in for a fixed line.
More areas in Arun
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 Clapham, Aruncome 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.