17 providers offer 249 broadband deals in Stonecot, from £14 a month and up to 5,000 Mbps. Typical measured speed is 100 Mbps down and 24 Mbps up, in line with the UK download average. Full fibre is available to 87.9% of homes.
Deals for Stonecot (SM3), checked and refreshed daily.
Best value broadband deal in Stonecot (SM3)
The best value in Stonecot (SM3) on full first-year cost is Community Fibre's 150 Mbps Fibre Broadband (24m): £192 across year one, about £16 a month. 150 Mbps covers streaming, video calls and working from home.
Best value in Stonecot (SM3)
£15/mo
rises to £18 in April 2027 (+£3)
Cheapest broadband deal in Stonecot (SM3)
The cheapest deal in Stonecot (SM3) is 100 Mbps Fibre Broadband (24m) from Community Fibre at £14.00 a month for 100 Mbps. It's full fibre, so the advertised speed is the speed that reaches the router. About level with the UK average.
Cheapest in Stonecot (SM3)
£14/mo
rises to £17 in April 2027 (+£3)
Fastest broadband deal in Stonecot (SM3)
The fastest deal available in Stonecot (SM3) is 5 Gbps Premium Broadband (24m) from Community Fibre at 5,000 Mbps.
Fastest in Stonecot (SM3)
£63/mo
rises to £66 in April 2027 (+£3)
Compare broadband deals in Stonecot (SM3)
£22.99/mo
rises to £26.99 in March 2027 (+£4)
£23/mo
No rises, no surprises.
£25.99/mo
rises to £29.99 in March 2027 (+£4)
£23.99/mo
rises to £27.99 in March 2027 (+£4)
Broadband providers in Stonecot (SM3)
17 providers serve Stonecot (SM3) including Virgin Media, Sky and BT, with Community Fibre 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 Stonecot (SM3) download speed at 100 Mbps.
Upgrade nudge
Room to upgrade in Stonecot (SM3)
Only 18% of the 6,200 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 Stonecot (SM3) line runs 100 Mbps.
Working from home
OKStreaming and family use
GoodWhat speeds are people actually getting?
Gigabit reaches 87% of Stonecot (SM3), and the fastest available is 1,000 Mbps. The full split by band is below.
What broadband coverage does Stonecot (SM3) have?
Superfast broadband reaches 100% of Stonecot (SM3) premises but gigabit only 87%, so around 13% of homes can get fast broadband but not the fastest.
Can I rely on mobile broadband in Stonecot (SM3)?
Outdoor 5G reaches 100% of Stonecot (SM3) homes. Here is how mobile holds up if the line drops.
The two 5G figures differ. “5G availability” is everyday 5G running on the existing 4G core, which is what most phones show. “Next-gen 5G” is standalone 5G: a full 5G network with lower lag, still reaching fewer places.
5G & 4G home broadband
Outdoor 5G covers 100% of Stonecot (SM3), enough for a 5G home-broadband hub to stand in for a fixed line.
How Stonecot (SM3) compares within Sutton
Across 6 postcode districts in Sutton, by connection count, typical speed and gigabit coverage.
Nearby areas
Frequently asked questions
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Speed and coverage figures for Stonecot (SM3)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.