Cheapest Gigabit Broadband UK (2026)

Gigabit used to be premium‑priced – now you can get 900Mbps–1Gbps+ full fibre for under £40/month, sometimes under £30. We compare Openreach, Alt‑Nets, Virgin, and show you where to find the best value.
from £30–40/month symmetrical options postcode dependent
£30–40typical cheap gigabit
£25–35London (Community Fibre)
symmetricalupload = download
FTTPfull fibre required
What counts as gigabit?
Gigabit broadband delivers 900–1,100 Mbps download, often 1,000 Mbps upload on symmetrical networks. Available via Openreach FTTP, CityFibre, Hyperoptic, Community Fibre, Virgin Media. Standard fibre (FTTC) cannot reach gigabit.
Cheapest gigabit pricing (2026 typical)
Openreach FTTP
£40–50
CityFibre
£35–45
Hyperoptic
£35–45
Community Fibre (London)
£25–35
Virgin Media
£40–50
Symmetrical = better value?

Symmetrical gigabit

900–1000 down + 900–1000 up. CityFibre, Hyperoptic, Community Fibre. Ideal for uploads, remote work, content creation.

Asymmetrical gigabit

900–1100 down, 50–110 up. Openreach & Virgin. Still fast downloads, but upload lower.

24‑month total cost example
£30/month = £720 · £35/month = £840 · £45/month = £1,080
A £15 monthly gap = £360 over two years
Is gigabit worth it?
For most households, 150–300 Mbps is sufficient. Gigabit makes sense if you have 5+ heavy users, frequent large game downloads, 4K streaming on multiple TVs, home server, remote teams, or want future‑proofing. Otherwise, the jump from 300 Mbps → 1Gbps may not be noticeable.

Cost gap shrinking

300 Mbps = £32/mo · 1Gbps = £38/mo · diff £6/mo (£144 over 24mo). In competitive areas, gigabit is increasingly accessible.

Installation costs

Gigabit requires full fibre install. Typical £0–60, often free on 24‑month contracts. Engineer visit if fibre not already installed.

Hidden costs to watch
  • CPI‑linked annual rises (+3.9% common)
  • Router delivery fees
  • Equipment return policies
  • Early termination charges
  • Promotional price expiry
  • Wi‑Fi 6 router recommended
Who offers the cheapest?
London: Community Fibre often lowest (£25–35)
CityFibre areas: Vodafone / regional ISPs (£35–45 symmetrical)
Openreach‑only: BT, Sky, TalkTalk (£40–50, upload lower)
Virgin areas: Gig1 competitive, but upload 50–100
Cheaper isn't always better: Consider upload speed, contract flexibility, price rise clauses, customer support, router performance (Wi‑Fi 6 recommended). Absolute cheapest may not be best long‑term value.
FAQs
What is the cheapest gigabit broadband in the UK?In some London areas, 1Gbps from around £25–30/month. Nationally, £30–40 typical with Alt‑Nets.
Is gigabit available everywhere?No – only where full fibre or cable networks exist.
Does gigabit improve Wi-Fi?Only if your router and devices support high speeds.
Is 1Gbps necessary?For most households, 150–300 Mbps is sufficient.
Utility King approach: We check full fibre availability, compare symmetrical vs asymmetrical gigabit, total contract cost, all providers in your postcode – so you match speed to actual usage and avoid overpaying.

ready to find the cheapest gigabit?

If gigabit is available in your postcode, you may be able to upgrade to 1Gbps for only a few pounds more per month – or even less than your current deal. Comparing providers could save hundreds over your contract term.

Contact Utility King

We'll help you find 1Gbps broadband in your area.

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