How Much Does Three Cost in the UK?
Three offers UK mobile plans starting at approximately £8 per month for SIM-only with 4GB data. Three is known for competitive unlimited data pricing. According to Three, the network serves over 10 million UK customers. Three and Vodafone are merging in 2025-2026, which may affect future pricing and coverage.
| Plan Type | Typical Monthly Cost | Contract |
|---|---|---|
| SIM-only (4GB) | £8–£12 | 12 or 24 months |
| SIM-only (unlimited) | £16–£24 | 12 or 24 months |
| Pay Monthly + phone | £25–£60+ | 24 or 36 months |
| Pay As You Go | From £10 top-up | No contract |
Three's unlimited data plans are typically £5-10 cheaper than EE's equivalent. Three includes 5G at no extra cost on all plans where available.
Compare all options on our UK Telecoms subscriptions page.
Does Three Auto-Renew?
Yes, Three contracts roll onto a 30-day term after the minimum period at the same or adjusted rate. Three notifies you before your contract ends. Check in the My Three app.
How to Cancel Three in the UK
- Text PAC to 65075 (keep your number) or STAC to 75075 (lose your number)
- Give the code to your new provider
- Switch happens within 1 working day
Early termination during the minimum term requires paying remaining months.
See also our guides to EE UK subscription and Vodafone UK subscription.
Is Three Worth It in 2026?
Three offers the best value for unlimited data in the UK. Coverage can be weaker in rural areas compared to EE, but urban coverage is strong.
| Pros | Cons |
|---|---|
| Cheapest unlimited data plans | Rural coverage weaker than EE |
| 5G included at no extra cost | Network speeds slower than EE in tests |
| Go Roam in 71 destinations | Three/Vodafone merger creates uncertainty |
| Good value phone contracts | Customer service scores lower than EE |
| 30-day rolling plans available | Indoor coverage can be patchy |
EE is faster and has better coverage but costs more. Giffgaff offers similar value on O2's network without contracts. Three is the best choice for budget-conscious users who want unlimited data.
Track Your Three Subscription with Prunely
Prunely lets you add your Three contract to track when your minimum term ends. Set reminders to renegotiate or switch. Track alongside all subscriptions — no bank connection needed. Prunely is free for up to 5 subscriptions.
Frequently Asked Questions
How much does Three cost per month?
Three SIM-only starts at approximately £8/month. Unlimited data costs £16-24/month. Phone contracts start at £25+/month. Prices vary by data allowance and contract length.
Is Three merging with Vodafone?
Yes. Three and Vodafone are merging, expected to complete in 2025-2026. The combined network will be the UK's largest. Existing contracts will be honoured. Future pricing and branding are not yet confirmed.
Can I leave Three at any time?
After your minimum term, yes — text PAC to 65075. During the minimum term, early termination fees apply (remaining monthly charges). After the minimum term, you can switch with 30 days' notice.
Does Three have 5G?
Yes. Three's 5G covers major UK cities and is expanding. 5G is included on all plans at no extra cost. Check coverage at your location on the Three coverage checker.
Is Three good for rural areas?
Three's rural coverage is weaker than EE and O2. Check the Three coverage checker for your specific location before switching. 4G coverage reaches approximately 97% of the UK population.