22 providers offer 302 broadband deals in Portesham, from £13.50 a month and up to 5,000 Mbps. Typical measured speed is 55 Mbps down and 12 Mbps up, 46% below the UK download average.
Best value broadband deal in Portesham, Dorset
The best value in Portesham, Dorset 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 Portesham, Dorset
£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 Portesham, Dorset
The fastest deal available in Portesham, Dorset is Full Fibre 5 Gigafast+ from Sky at 5,000 Mbps.
Fastest in Portesham, Dorset
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 Portesham, Dorset
The cheapest deal in Portesham, Dorset 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. giffgaff is essentially level at £15.00 a month. Above the UK average on download.
Cheapest in Portesham, Dorset
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
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 Portesham, Dorset
£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
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 Portesham, Dorset
22 providers serve Portesham, Dorset, 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 Portesham, Dorset download speed at 55 Mbps.
Upgrade nudge
You could be getting more.
Prices drift above the market rate the longer a contract runs, so if you have not compared in over a year you are likely paying more than you need to.
Is your broadband good enough?
The typical Portesham, Dorset line runs 55 Mbps.
Working from home
OKStreaming and family use
OKWhat speeds are people actually getting?
Gigabit reaches 4% of Portesham, Dorset, and the fastest available is 160 Mbps. The full split by band is below.
Which broadband networks reach Portesham, Dorset?
The wholesale networks carrying Portesham, Dorset broadband, from Openreach to Virgin Media and the altnets, read off the live deals.
Independently-built fibre networks in Portesham, Dorset, taken from the live deal mix. They don't cover every street, but on streets they reach, they typically beat the Openreach price.
- CityFibre: Sky, TalkTalk, The One Broadband, Vodafone, Zen Internet
- 4th Utility: 4th Utility, Rise Fibre
- Hyperoptic
Then there's Openreach and Virgin Media O2 (Openreach covers virtually every UK premises, so it'll reach you).
Currently 22 providers have addressable deals in Portesham, Dorset.
What broadband coverage does Portesham, Dorset have?
Superfast broadband reaches 99% of Portesham, Dorset premises but gigabit only 4%, so around 95% of homes can get fast broadband but not the fastest.
Can I rely on mobile broadband in Portesham, Dorset?
Outdoor 5G reaches 94% of Portesham, Dorset homes. Here is how mobile holds up if the line drops.
More areas in Dorset
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 Portesham, Dorsetcome 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.