23 providers offer 322 broadband deals in Islip, from £13.50 a month and up to 5,000 Mbps. Typical measured speed is 48 Mbps down and 66 Mbps up, 52% below the UK download average.
Best value broadband deal in Islip, North Northamptonshire
The best value in Islip, North Northamptonshire 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 Islip, North Northamptonshire
£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 Islip, North Northamptonshire
The fastest deal available in Islip, North Northamptonshire is Full Fibre 5 Gigafast+ from Sky at 5,000 Mbps.
Fastest in Islip, North Northamptonshire
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 Islip, North Northamptonshire
The cheapest deal in Islip, North Northamptonshire is 150Mb Full Fibre CityFibre (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 Islip, North Northamptonshire
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
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 Islip, North Northamptonshire
£5/mo
for 6 months, then £25/mo
Avg £20/mo over contract · £480 total over 24 months
2.3Gb Full Fibre CityFibre (24 Months)
2300 Mbps upload · Full Fibre
Best for power users & big households
£29/mo
for 12 months, then £34/mo
Avg £31.50/mo over contract · £756 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
£19/mo
No rises, no surprises.
£342 total over 18 months
Broadband providers in Islip, North Northamptonshire
23 providers serve Islip, North Northamptonshire, 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 Islip, North Northamptonshire download speed at 48 Mbps.
Upgrade nudge
Room to upgrade in Islip, North Northamptonshire
Only 12% are on 300Mbps or faster, even though 84% 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 Islip, North Northamptonshire line runs 48 Mbps.
Working from home
OKStreaming and family use
OKWhat speeds are people actually getting?
Gigabit reaches 84% of Islip, North Northamptonshire, and the fastest available is 1,000 Mbps. The full split by band is below.
Which broadband networks reach Islip, North Northamptonshire?
The wholesale networks carrying Islip, North Northamptonshire broadband, from Openreach to Virgin Media and the altnets, read off the live deals.
Live altnets in Islip, North Northamptonshire, drawn from the providers actually selling deals here. Where they reach, the gigabit prices are normally the lowest on the page.
- CityFibre: Sky, TalkTalk, The One Broadband, Vodafone, Zen Internet
- 4th Utility: 4th Utility, Rise Fibre
- Hyperoptic
- BeFibre
- Zzoomm
Behind the altnets, Openreach and Virgin Media O2 run as the major-network options (Openreach is the country-wide baseline, so it's a given).
Across the area, 23 providers are listing live deals.
What broadband coverage does Islip, North Northamptonshire have?
Superfast broadband reaches 92% of Islip, North Northamptonshire premises but gigabit only 84%, so around 8% of homes can get fast broadband but not the fastest.
Can I rely on mobile broadband in Islip, North Northamptonshire?
Outdoor 5G reaches 98% of Islip, North Northamptonshire homes. Here is how mobile holds up if the line drops.
5G & 4G home broadband
Outdoor 5G covers 98% of Islip, North Northamptonshire, enough for a 5G home-broadband hub to stand in for a fixed line.
More areas in North Northamptonshire
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 Islip, North Northamptonshirecome 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.