Compare the best broadband deals in Portsmouth. Search offers from 16 providers with speeds up to 5000Mbps and prices from £18.99p/m.
Full Fibre (FTTP)
82.27%
Gigabit Broadband
96.93%
Average Speed
316Mbps
Prices from
£18.99 p/m
Data sources: Pricing & Providers by Switchity | Coverage statistics provided by ThinkBroadband Labs.
£80.00 per month
5000Mbps average speed
Full Fibre
24 month contract
£44.99 per month
362Mbps average speed
Sky Cinema & Netflix Sub
24 month contract
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.
Compare 16 broadband providers serving Portsmouth. Ratings and review counts are sourced from Trustpilot.
Enter your postcode in our broadband checker above 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.
82.27%
90.64%
96.93%
73.88%
98.9%
1.06%
Portsmouth sits well above national averages for ultrafast connectivity, with nearly 97% gigabit coverage giving most residents access to speeds that handle multiple users and devices comfortably. The strong independent network presence at 74% 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 December 2025).
Budget-conscious households can find decent broadband without overspending, with Pop Telecom offering packages from £21/month for 38Mbps connections that cover everyday browsing and streaming.
For most Portsmouth postcodes, the strong altnet presence means shopping around between providers often uncovers promotional deals and competitive pricing that the major networks struggle to match.
Speed-focused users can access some of the fastest residential broadband available, with Sky offering 5000Mbps packages at £80/month in areas with full fibre infrastructure. These multi-gigabit connections suit households with heavy simultaneous usage, large file transfers, or future-proofing requirements.
Check whether your specific Portsmouth postcode has the full fibre networks needed to deliver these top-tier speeds.
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 first – some new providers will pay it for you. Or try haggling with your current provider’s retention team. Use our ETF calculator to see if switching saves money overall.
Join a growing community in Portsmouth saving £250 per year and funding reforestation with every switch.
Every Switchity deal saves you money and helps reforest the planet. Here’s our impact so far:
2
Trees per switch
6,000+ kg
CO₂ captured
26% to goal
262/1,000 trees
£25,000+
Customer savings
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 16 available ISPs, and they will handle the cancellation for you.
262
Trees we’ve grown together
£25,000
Saved by our community
£250
Your typical yearly saving
738 to go
Help us reach 1,000 trees
