Portsmouth broadband
Compare broadband deals across Portsmouth from 18 providers, with prices from £15.00/month.
Enter your address to compare broadband deals at your home
Effective Monthly Cost
Every deal ranked on its average monthly price over the contract.
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Providers can't pay for a higher spot.
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2 trees planted per switch
With our partner Ecologi.
Best Environmentally-Focused Comparison Platform 2026, SME News IT AwardsData sources: Pricing & Providers by Switchity | Coverage statistics provided by ThinkBroadband Labs.
Rise Fibre
Then £20.00 a month
Price could change during your contract
Effective Monthly Cost£17.50
More details about 150Mb Full Fibre CityFibre (24 Months)
Onestream
Price rises
£23.70 from 1 April 2027
£26.45 from 1 April 2028
Effective Monthly Cost£23.70
More details about Full Fibre 150
Sky
Price could change during your contract
Effective Monthly Cost£18.88
More details about Sky Full Fibre 150 CityFibre
Three
Price rises
£18.50 from 1 April 2027
£22.00 from 1 April 2028
Effective Monthly Cost£18.50
More details about Three 4G Hub (24m)
4th Utility
Then £18.00 a month
Price could change during your contract
Effective Monthly Cost£15.75
More details about 150Mb Full Fibre CityFibre (24 Months)
Virgin Media
Price rises
£22.99 from 1 April 2027
£26.99 from 1 April 2028
Effective Monthly Cost£22.99
More details about M250 Broadband OnlySky
Price could change during your contract
Effective Monthly Cost£41.04
More details about Full Fibre 5 Gigafast+Sky
Price could change during your contract
Effective Monthly Cost£31.04
More details about Full Fibre 2.5 Gigafast+
toob
Price rises
£31.00 from 1 April 2027
£33.00 from 1 April 2028
Effective Monthly Cost£31.00
More details about Home 2300Sky
Prices may rise during your contract
Effective Monthly Cost£32.21
More details about Sky Stream, Essential TV & Netflix with Full Fibre 150Virgin Media
Price rises
£32.99 from 1 April 2027
£36.99 from 1 April 2028
Effective Monthly Cost£32.99
More details about M125 Broadband + FlexSky
Prices may rise during your contract
Effective Monthly Cost£35.00
More details about Sky Stream, Essential TV & Netflix with Full Fibre GigafastAverage speed is the download speed at least half of customers get at peak time (8pm to 10pm). We earn a commission from the provider when you switch through our links, at no extra cost to you. Commission never affects how deals are ranked.
We research the deals for each area using a sample postcode in that area. Enter your postcode to see the deals available at your address, or use our postcode checker for exact speeds.
Portsmouth's broadband landscape divides along geographic lines, with the northern mainland generally offering stronger full fibre coverage than Portsea Island itself. The Gosport peninsula stands out for its independent network availability, though major provider coverage remains patchier there.
Southsea and Old Portsmouth benefit from overlapping networks including Virgin Media, CityFibre, and independent providers, giving residents excellent choice across multiple ultrafast options. Cosham and Portchester have strong full fibre availability from Openreach alongside Virgin Media cable, making them reliable choices for house-hunters prioritising connectivity. Fratton and Copnor show more mixed results, with Virgin Media present but full fibre coverage less comprehensive than neighbouring areas. The Gosport peninsula including Alverstoke, Lee-on-the-Solent, and Stubbington relies heavily on independent fibre networks rather than mainstream providers, though these often deliver competitive speeds and pricing. Drayton and Farlington face coverage gaps across both Virgin Media and CityFibre networks, leaving residents more dependent on Openreach infrastructure.
Independent customer ratings pulled from Trustpilot.
Enter your postcode in our broadband postcode checker to see which providers serve your specific address and compare their available packages.
Independent fibre providers have built extensive networks across Portsmouth, particularly strong in the Gosport peninsula covering Alverstoke, Lee-on-the-Solent, and Stubbington, as well as good presence in Fareham, Portchester, and Havant. CityFibre offers particularly wide coverage across Portsea Island including Portsmouth city centre, Southsea, Fratton, and Old Portsmouth, plus Hilsea, Cosham, Havant, and Bedhampton. Residents in CityFibre areas can access competitive packages from Sky, Vodafone, Zen, toob, and Cuckoo. The combination of networks means many Portsmouth postcodes benefit from genuine provider competition.
Here is a breakdown of the network coverage available across 99,337 premises in Portsmouth, benchmarked directly against current UK national averages.
Portsmouth sits well above national averages for ultrafast connectivity, with nearly 96% gigabit coverage giving most residents access to speeds that handle multiple users and devices comfortably. The strong independent network presence at 75% creates genuine competition in many neighbourhoods, often pushing prices down as providers compete for customers. Only around 1% of premises remain stuck on basic ADSL, meaning the city has largely completed its transition to modern broadband technologies. The variation comes down to which specific networks serve your postcode rather than whether fast broadband exists at all.
Data sources: Coverage statistics provided by ThinkBroadband Labs (Correct as of September 2026).
The four things worth checking before you commit to a 24-month contract.
Portsmouth's 18 active broadband providers keep prices competitive. Right now the best value deal is Three's Three 4G Hub (24m) at £15.00 a month for 10Mbps on a 24-month contract. Compare the effective monthly cost (including any setup fees and rewards) to find the true cheapest deal.
The fastest full-fibre broadband deal in Portsmouth is Sky's Full Fibre 5 Gigafast+ at 5000Mbps for £45.00 a month. Ideal for households running multiple 4K streams, video calls or large file transfers.
Thanks to Ofcom’s One Touch Switch, changing providers in Portsmouth requires just a single request. Simply sign up with your new supplier and they will manage the cancellation of your old contract automatically.
No more retention calls; just a seamless switch.
Check your Early Termination Fee (ETF) with our calculator to see if switching saves you money overall. Some providers will even pay this fee for you. Alternatively, use your estimate to haggle a better deal with your current provider.
ETF calculatorPrices and packages for Portsmouth come from our live deal feed, covering 18+ UK providers, and are researched using a sample postcode in the area.
Every successful switch through Switchity plants two trees through our verified reforestation partner, Ecologi. A mature tree takes up about 22 kg of CO₂ a year, according to the European Environment Agency. Once grown, the 450 trees our switchers have funded could absorb around 9,900 kg of CO₂ a year.
Savings estimated for broadband switches, from the typical bill our exit-fee calculator users report against comparable deals on our panel.
Currently, the fastest option in Portsmouth reaches speeds of 5000Mbps. You can get this speed with the Sky Full Fibre 5 Gigafast+ package.
Prices in the area currently start from £15.00 per month. Our data shows that Three Three 4G Hub (24m) offers the best value for money right now.
Yes, combining internet and entertainment is a great way to save money in Portsmouth. Currently, our top-rated bundle is Sky Sky Stream, Essential TV & Netflix with Full Fibre 150 — just £32.00 per month.
Competition is high in Portsmouth. We found 18 different providers serving the area, including major networks like Sky and BT, plus independent Altnets.
Yes, Full Fibre coverage is currently at 85.86%. This technology delivers the most reliable connection for streaming and gaming compared to older copper connections.
Virgin Media's cable network currently covers 88.73% of the Portsmouth area. If you fall outside this coverage zone, you can likely still access high speeds via the Openreach network.
Switching providers in Portsmouth is now easier than ever thanks to One Touch Switch. You don't need to contact your old provider to cancel, simply choose a new deal from the 18 available ISPs and they'll handle the cancellation for you.
Every switch through Switchity supports reforestation and saves our community money on their broadband.
Savings are estimates: the typical bill our exit-fee calculator users report against comparable deals on our panel, applied per confirmed broadband switch. Ofcom finds in-contract broadband customers pay £7 to £9 a month less than out-of-contract customers (February 2026). How we work this out
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