Best Fibre Broadband Deals in the UK (2026)

The best fibre broadband deals in the UK in 2026 start from around £20–£25/month for entry-level full fibre FTTP at 100–150Mbps on 24-month contracts. Gigabit deals (900Mbps+) are available from around £25–£55/month depending on provider and location. FTTP now covers 78% of UK premises (Ofcom, 2025), meaning most homes can access at least one full fibre provider.

Best Value Fibre Broadband Deals Under £30/Month

In April 2026, the most competitive entry-level full fibre deals come from a range of national and local providers. BT applied a £4/month price rise in April 2026, pushing its Full Fibre 100 to around £35/month. For better value, look at Cuckoo, which offers its C-150 (150Mbps) from £32/month on a 24-month contract — or from around £15.50/month for the first 6 months on a promotional deal. Hyperoptic covers over 870,000 homes and businesses, mostly in urban tower blocks, and has historically offered some of the cheapest gigabit deals. Zzoomm, an altnet serving around 30 UK towns, offers 200Mbps symmetric from £20/month on a 24-month deal. Always compare after any promotional period ends, as headline prices often increase from month 13 or at renewal.

Best Gigabit Fibre Broadband Deals (900Mbps+)

UK gigabit broadband coverage reached 87% of premises by early 2026. For homes in London, Community Fibre is consistently among the cheapest gigabit providers, with symmetrical 1Gbps deals and 92% customer satisfaction — one of the highest in the market. Hyperoptic similarly offers symmetric gigabit connections in its coverage area. For national coverage, Sky offers Full Fibre up to 2,500Mbps — the fastest widely available consumer package — though at a premium. Sky scored 82% for customer satisfaction in Ofcom's 2025 survey. FTTP connections overtook FTTC in Q3 2025 for the first time, with 11.56 million FTTP versus 10.60 million FTTC connections.

What to Look for in a Fibre Broadband Deal

When comparing fibre broadband deals, look beyond the headline monthly price. Key factors include: the contract length (12, 18, or 24 months — shorter contracts offer more flexibility but cost more); whether the price is fixed for the term or subject to annual rises; the upload speed (particularly important for working from home or gaming); whether a router is included; and any activation or set-up fees. Since January 2025, Ofcom banned major ISPs from using CPI+X pricing formulas for new contracts, making it easier to predict costs. However, providers can still apply fixed-amount annual increases — BT, Sky, EE, Plusnet, and TalkTalk all increased prices in April 2026. Providers like Zen Internet, Cuckoo, and several altnets advertise no mid-contract price rises, which is worth factoring into your comparison.

Fibre Broadband by Speed: What Do You Actually Need?

The average UK broadband speed was 223Mbps in 2025 (Ofcom), up sharply as FTTP adoption grew. For most households of two to four people, 100–300Mbps is more than adequate: Netflix 4K needs just 25Mbps per stream, video calls need around 8Mbps, and general web browsing uses less than 5Mbps. A 100Mbps connection can handle all of those simultaneously with headroom to spare. The case for gigabit broadband is strongest in large households with many simultaneous users, gamers who need low latency alongside high throughput, or home workers doing heavy file transfers and video production. For a two-person flat, a 150–300Mbps plan at the best available price often represents better value than a 900Mbps plan, even if the headline monthly difference is only £5–£10.

Compare Broadband Deals at Your Address

Full fibre availability varies by postcode. Enter your address on CompareFibre to see every provider available at your property — from national names like BT to local altnets like Community Fibre — with current prices and contract lengths side by side.

Frequently Asked Questions

What is the cheapest full fibre broadband deal in the UK?

Promotional pricing can push full fibre deals to £20/month or below for an introductory period. In April 2026, competitive deals include Zzoomm 200Mbps from £20/month (24-month), Gigaclear 300Mbps from £16/month (18-month promo), and Plusnet Full Fibre 74 from around £22/month. Use CompareFibre's checker for current deals at your postcode.

Is FTTP fibre broadband available at my address?

FTTP covers 78% of UK premises (Ofcom, 2025). The easiest way to check is to enter your postcode into CompareFibre, which shows all available full fibre providers at your address.

Are fibre broadband prices going up in 2026?

Yes. BT, Plusnet, EE, Sky, TalkTalk, and Vodafone all raised prices in April 2026, typically by £3–£4/month. Ofcom banned CPI+X pricing for new contracts in January 2025, so future rises must be a fixed pound amount rather than a percentage, making them easier to compare.

Related Guides

Cheap Broadband Deals · Gigabit Broadband Deals · Broadband Only Deals · Social Tariff Broadband Deals · BT Broadband Deals

Methodology

This guide is based on publicly available data from Ofcom, provider websites, and independent sources including ISPreview.co.uk, Thinkbroadband, and Point Topic. Pricing, speeds, and availability were verified in April 2026 and are subject to change. CompareFibre is editorially independent — providers do not pay for placement or influence our recommendations.