Virgin Media M125 Fibre Broadband Package Explained

Virgin Media M125 fibre broadband is a mid-tier package with an average download speed of 132Mbps, priced from £22.99 a month on a 24-month term for new customers on Virgin Media’s own site (Virgin Media, August 2026). It runs on Virgin Media’s cable network, not the Openreach lines most other providers use, so availability depends on whether that cable reaches your postcode.

M125 sits at the bottom of Virgin Media’s speed range, which is why it carries the lowest headline price. The figure that catches most households out is the post-contract price, which steps up sharply once the 24-month deal ends. Free Price Compare sources these details from Virgin Media’s live pricing pages and cross-checks against Ofcom’s published broadband data.

Last updated: August 2026

Written by the Free Price Compare editorial team | Reviewed August 2026

What you get with M125 fibre broadband

Virgin Media M125 delivers an average download speed of 132Mbps and an average upload speed of around 20Mbps on Virgin Media’s cable network, with unlimited usage and no data caps. The package is sold on a 24-month minimum term, and Virgin Media includes its Hub router as standard. Broadband-only starts at £22.99 a month for new customers, and a version bundled with a Virgin Phone line starts at £30.99 a month (Virgin Media, August 2026). The cable network Virgin Media uses is separate from the Openreach network that carries most other providers’ fibre, which is why speeds, pricing and availability differ from a typical full-fibre deal.

Virgin Media’s cable connection is asymmetric, meaning downloads are far faster than uploads. That download-heavy balance suits most homes, since streaming, browsing and downloading pull data down rather than push it up. If you regularly upload large files, back up to the cloud continuously, or livestream, the 20Mbps upload is the number to weigh rather than the headline 132Mbps.

Broadband Deals Reviewed by James Ford, TV and Broadband Expert

M350 fibre broadband + phone

• New customers only
• Exclusive Access to Priority from O2
• Up to £300 Contract Buyout

362Mb average* speed

Unlimited Downloads

£0.00 Setup costs

24 Month contract

Weekend callsincluded

£36.99per month

Buy Now
or call 0800 977 5741

M250 fibre broadband + phone

• New customers only
• Exclusive Access to Priority from O2
• Up to £300 Contract Buyout

264Mb average* speed

Unlimited Downloads

£0.00 Setup costs

24 Month contract

Weekend callsincluded

£33.99per month

Buy Now
or call 0800 977 5741

M125 fibre broadband + phone

• New customers only
• Exclusive Access to Priority from O2
• Up to £300 Contract Buyout

132Mb average* speed

Unlimited Downloads

£0.00 Setup costs

24 Month contract

Weekend callsincluded

£31.99per month

Buy Now
or call 0800 977 5741

View All Broadband Deals

How much does M125 cost per month, and what happens after the contract ends?

M125 broadband-only costs £22.99 a month for 24 months and then steps up to £62 a month thereafter on Virgin Media’s own pricing (Virgin Media, August 2026). The bundle with a Virgin Phone line is £30.99 a month during the term, rising to a standard price currently around £70 a month afterwards. That post-contract jump is the single biggest cost most households overlook, because the introductory price nearly triples once the deal expires.

Third-party sellers sometimes list M125 at slightly different starting prices, such as around £26 a month on an 18-month term with no upfront charge, or with a bill credit that lowers the effective monthly cost. These promotional variations change often. The durable point is the structure: a low fixed price for the term, then a much higher standard rate. Set a calendar reminder for a month or two before your contract ends so you can renegotiate or switch before the standard price applies.

Compare current broadband deals

How do Virgin Media’s annual price rises work on M125?

For customers who joined Virgin Media from 9 January 2025, prices rise by a fixed amount each April rather than being linked to inflation, according to widely reported Virgin Media pricing terms. This replaced the older model that tied annual increases to a measure of inflation plus a set percentage. A fixed annual rise makes future costs easier to plan for, because you know the pound figure in advance rather than waiting on an inflation announcement each February.

Ofcom’s rules require broadband providers to state any in-contract price rises in pounds and pence at the point of sale, so the increase should be clearly shown before you commit. Check the exact figure on your order summary, since the amount and timing depend on when you joined and the specific terms you agreed. If a mid-contract rise applies and it was not made clear in pounds and pence, that is worth raising with the provider.

Is 132Mbps fast enough for my household?

132Mbps is fast enough for the large majority of UK households, comfortably supporting 4K streaming on more than one screen, video calls, online gaming and general browsing across several connected devices at the same time. Most everyday devices connect over Wi-Fi and each uses only a fraction of the total speed, so the number of gadgets in a home matters less than what they are all doing at once. A single 4K stream needs roughly 25Mbps, so 132Mbps leaves plenty of headroom for a busy household.

Where M125 can feel tight is a home with heavy simultaneous demand: several people streaming in 4K while someone uploads large files and a games console downloads a title in the background. In that scenario the 20Mbps upload, rather than the download speed, is more likely to be the limiting factor. For most families, couples and individuals, 132Mbps is more than adequate. If you have already read our guide to entry-level fibre packages, M125 sits a clear step above those in speed.

Not sure how much speed you need?

Check what different speeds actually support before you commit to a contract.

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Should I get M125 or upgrade to M250 for double the speed?

Choose M125 if you want the lowest price and 132Mbps covers your usage; choose M250 if a faster tier is available at a similar promotional price, because the value gap can be small. M250 roughly doubles the average download speed to around 264Mbps, and Virgin Media sometimes prices it close to M125 on introductory deals. When the monthly difference is only a few pounds, the extra speed can be worth it, particularly for homes with heavy simultaneous use.

The decision turns on the actual price gap at your address on the day you buy, not the tiers in the abstract. Compare the two intro prices and, just as importantly, the two post-contract prices before deciding. If M250 is barely more, the upgrade is easy to justify; if M125 is meaningfully cheaper and 132Mbps meets your needs, there is no reason to pay for speed you will not use. Our full write-up of the Virgin Media M250 package sets out the faster tier in detail.

See the faster M250 package

Is Virgin Media M125 available at my address?

Virgin Media M125 is only available where Virgin Media’s cable network reaches, which is a separate footprint from the Openreach network that carries most other providers. Gigabit-capable broadband, which includes Virgin Media’s cable, reached 89% of UK residential premises, according to Ofcom’s Connected Nations update (Spring 2026, data as of January 2026). Availability is postcode-specific, so the only reliable way to confirm is a postcode check.

If Virgin Media’s cable does not reach your home, you may still have full-fibre options on the Openreach network or from an independent provider. Full fibre is now available to 82% of UK homes, or 24.9 million premises, according to Ofcom’s Connected Nations update (Spring 2026, data as of January 2026). Running a postcode check across networks shows every option at your address, not just the cable ones, so you can compare like for like on speed and price.

Do you need line rental for M125 fibre broadband?

You do not need separate line rental for M125 broadband-only, because Virgin Media’s broadband runs over its cable network rather than a traditional phone line. The broadband-only price at £22.99 a month already includes everything needed for the connection, with no hidden line rental charge on top. A landline is optional and comes as the bundle with a Virgin Phone, which adds to the monthly cost.

The phone bundle includes line rental within its price, so the £30.99 a month M125 with Virgin Phone is broadband and a phone line combined, not broadband plus a separate line rental fee. If you never use a home phone, the broadband-only option is the cheaper and simpler choice. Adding a phone line only makes sense if you want a landline number.

Compare fibre packages across networks

Can I overlap my broadband switch to avoid losing connection?

You can usually keep your old connection running while your new one is set up, so you are not left offline during a switch, though the exact process depends on the networks involved. Since September 2024, One Touch Switch has let you change broadband or landline provider by contacting only the new provider, which then arranges the move; over 2 million customers used it between launch and the end of 2025 (Ofcom). Because Virgin Media runs on cable rather than Openreach, switching to or from Virgin can work differently from an Openreach-to-Openreach move.

To avoid a gap, do not cancel your existing service until your new one is confirmed as live and working. If you are moving from Virgin Media to an Openreach-based provider, the new line is installed separately, so a short overlap is straightforward. If you are switching within the same network, the new provider typically manages the handover for you. Checking your other network options first tells you which switch route applies.

• Virgin Media M250 Fibre Broadband: Fast Speeds for Homes
• Virgin Media Gig1 Fibre Broadband | 1,130 Mbps Speeds
• Sky Full Fibre 500 Broadband: Ultra-Fast Speeds
• Sky Full Fibre Gigafast Broadband: Ultra-Fast for Homes
• Vodafone Full Fibre 150 Broadband Packages

Information correct as of 5 August 2026. Prices, tariffs, policy details and providers change frequently, so please check the latest details before making a decision. This article is for general information only and does not constitute financial advice. Free Price Compare is authorised and regulated by the Financial Conduct Authority (FCA).