19 providers offer 266 broadband deals in Streatham St Leonard's, from £14.75 a month and up to 5,000 Mbps. Typical measured speed is 105 Mbps down and 36 Mbps up, 4% above the UK download average.
Best value broadband deal in Streatham St Leonard's, Lambeth (SW16)
The best value in Streatham St Leonard's, Lambeth (SW16) 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 Streatham St Leonard's, Lambeth (SW16)
£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 Streatham St Leonard's, Lambeth (SW16)
The fastest deal available in Streatham St Leonard's, Lambeth (SW16) is 5 Gbps Premium Broadband (24m) from Community Fibre at 5,000 Mbps.
Fastest in Streatham St Leonard's, Lambeth (SW16)
5 Gbps Premium Broadband (24m)
5000 Mbps upload · Full Fibre
Best for power users & big households
£63/mo
rises to £66 in April 2027 (+£3)
Avg £65.25/mo over contract · £1566 total over 24 months
Cheapest broadband deal in Streatham St Leonard's, Lambeth (SW16)
The cheapest deal in Streatham St Leonard's, Lambeth (SW16) 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 Streatham St Leonard's, Lambeth (SW16)
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
Compare broadband deals in Streatham St Leonard's, Lambeth (SW16)
500 Mbps Fibre Broadband (24m)
500 Mbps upload · Full Fibre
Best for 4–5 person households, heavy use
£16/mo
rises to £19 in April 2027 (+£3)
Avg £18.25/mo over contract · £438 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 Streatham St Leonard's, Lambeth (SW16)
19 providers serve Streatham St Leonard's, Lambeth (SW16), 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 Streatham St Leonard's, Lambeth (SW16) download speed at 105 Mbps.
Upgrade nudge
Room to upgrade in Streatham St Leonard's, Lambeth (SW16)
Only 17% of the 22,000 connections here are on 300Mbps or faster, even though 91% 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 Streatham St Leonard's, Lambeth (SW16) line runs 105 Mbps.
Working from home
GreatStreaming and family use
GoodWhat speeds are people actually getting?
Gigabit reaches 91% of Streatham St Leonard's, Lambeth (SW16), and the fastest available is 3,000 Mbps. The full split by band is below.
Which broadband networks reach Streatham St Leonard's, Lambeth (SW16)?
The wholesale networks carrying Streatham St Leonard's, Lambeth (SW16) broadband, from Openreach to Virgin Media and the altnets, read off the live deals.
Real altnet coverage in Streatham St Leonard's, Lambeth (SW16), not the press release version. The list comes from who is actually selling deals at addresses here, network by network.
- CityFibre: Sky, The One Broadband, Vodafone
- 4th Utility: 4th Utility, Rise Fibre
- Community Fibre
- Hyperoptic
Then there's Openreach and Virgin Media O2 (Openreach is on every street, so the interesting variable is the altnets).
Today's live count in Streatham St Leonard's, Lambeth (SW16): 19 providers on the page.
What broadband coverage does Streatham St Leonard's, Lambeth (SW16) have?
Superfast broadband reaches 99% of Streatham St Leonard's, Lambeth (SW16) premises but gigabit only 91%, so around 8% of homes can get fast broadband but not the fastest.
Can I rely on mobile broadband in Streatham St Leonard's, Lambeth (SW16)?
Outdoor 5G reaches 100% of Streatham St Leonard's, Lambeth (SW16) homes. Here is how mobile holds up if the line drops.
5G & 4G home broadband
Outdoor 5G covers 100% of Streatham St Leonard's, Lambeth (SW16), enough for a 5G home-broadband hub to stand in for a fixed line.
How Streatham St Leonard's, Lambeth (SW16) compares within Lambeth
Across 8 postcode districts in Lambeth, 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 Streatham St Leonard's, Lambeth (SW16)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.