343 real plans in the US, last updated 28 Oct 2026How we check

UK provider · deep dive

BT, plan by plan

BT offers broadband plans in the UK. Every plan in our data is below, with the real monthly cost worked out, not just the headline price.

Country
UK
Plans in our data
20
Real monthly range
£10.00 to £33.99
Contract terms
1 months, 24 months
A smiling woman works on a laptop at a desk in a bright home office lined with bookshelves.

Lowest real monthly cost here

£10.00/mo

Across 20 plans in our data, fees and promos included.

In short

We list 20 BT plans, match them to your postcode, and rank them by real monthly cost: from £10.00/mo.

Plans from BT

20 plans in our data

  • Lowest monthly here1-month contract

    BT Mobile 10GB

    Standard £10.00/mo · Nationwide

    £10.00/moSame price all 1 months
    £10.00 per month. Same price all 1 months.

    Offer

    • 10GB plan was £11, now £10
    Real monthly costPromo months, normal months and one-off fees added up, then divided by the months.£10.00/moover 1 months
  • 1-month contract

    BT Mobile 10GB

    Standard £10.00/mo · Nationwide

    £10.00/moSame price all 1 months
    £10.00 per month. Same price all 1 months.
    Real monthly costPromo months, normal months and one-off fees added up, then divided by the months.£10.00/moover 1 months
  • 1-month contract

    BT Mobile 30GB

    Standard £11.00/mo · Nationwide

    £11.00/moSame price all 1 months
    £11.00 per month. Same price all 1 months.

    Offer

    • Get double data, was 15GB
    Real monthly costPromo months, normal months and one-off fees added up, then divided by the months.£11.00/moover 1 months
  • 1-month contract

    BT Mobile 30GB

    Standard £11.00/mo · Nationwide

    £11.00/moSame price all 1 months
    £11.00 per month. Same price all 1 months.
    Real monthly costPromo months, normal months and one-off fees added up, then divided by the months.£11.00/moover 1 months
  • 1-month contract

    BT Mobile 60GB

    Standard £13.00/mo · Nationwide

    £13.00/moSame price all 1 months
    £13.00 per month. Same price all 1 months.

    Offer

    • Get double data, was 30GB
    Real monthly costPromo months, normal months and one-off fees added up, then divided by the months.£13.00/moover 1 months
  • 1-month contract

    BT Mobile 60GB

    Standard £13.00/mo · Nationwide

    £13.00/moSame price all 1 months
    £13.00 per month. Same price all 1 months.
    Real monthly costPromo months, normal months and one-off fees added up, then divided by the months.£13.00/moover 1 months
  • 1-month contract

    BT Mobile 150GB

    Standard £17.00/mo · Nationwide

    £17.00/moSame price all 1 months
    £17.00 per month. Same price all 1 months.

    Offer

    • Get double data, was 75GB
    Real monthly costPromo months, normal months and one-off fees added up, then divided by the months.£17.00/moover 1 months
  • 1-month contract

    BT Mobile 150GB

    Standard £17.00/mo · Nationwide

    £17.00/moSame price all 1 months
    £17.00 per month. Same price all 1 months.
    Real monthly costPromo months, normal months and one-off fees added up, then divided by the months.£17.00/moover 1 months
  • 24-month contract

    Fibre 1

    Standard £28.99/mo · Nationwide

    £28.99/moSame price all 24 months
    £28.99 per month. Same price all 24 months.

    Offer

    • Online exclusive: £0 activation fee
    Real monthly costPromo months, normal months and one-off fees added up, then divided by the months.£28.99/moover 24 months
  • 24-month contract

    Fibre 1

    Standard £28.99/mo · Nationwide

    £28.99/moSame price all 24 months
    £28.99 per month. Same price all 24 months.
    Real monthly costPromo months, normal months and one-off fees added up, then divided by the months.£28.99/moover 24 months
  • 24-month contract

    Fibre Essential

    Standard £28.99/mo · Nationwide

    £28.99/moSame price all 24 months
    £28.99 per month. Same price all 24 months.

    Offer

    • Online exclusive: £0 activation fee
    Real monthly costPromo months, normal months and one-off fees added up, then divided by the months.£28.99/moover 24 months
  • 24-month contract

    Fibre Essential

    Standard £28.99/mo · Nationwide

    £28.99/moSame price all 24 months
    £28.99 per month. Same price all 24 months.
    Real monthly costPromo months, normal months and one-off fees added up, then divided by the months.£28.99/moover 24 months

Showing the 12 lowest-priced of 20 plans. Plans are listed per area: enter your postcode to see the ones sold where you live.

Best for

3 picks from our data

Picked by the content engine from the BT plans above, using the same real monthly cost and allowances. It compares these plans with each other, not with the whole market.

Cheapest option
BT BT Mobile 10GB at 10.00 GBP/mo
Most data
BT BT Mobile 150GB with 150 GB
Fastest download speed
BT Full Fibre 900 at 900 Mbps

How pricing works in your area

1 area on record
A long row of brick terraced houses with chimney stacks under a cloudy sky.
Your postcode decides which plans are shown: offers are listed for regions, and only the ones listed for your area are ranked.

Each plan is listed for a region. When you search a postcode, we find its region and only rank the plans listed for it. Plans for other regions are left out, never just pushed down.

BT plans by region
RegionPlansLowest real monthly
No region restriction20£10.00/mo

The real monthly cost adds promo months, standard months and one-off fees, takes off guaranteed credits, and divides by the months in the term. Read the method. Region matching is not an address check: the provider confirms availability at checkout.

Search your postcode for broadband

What to watch for

11 things to check
Two people reading through printed contract paperwork at a grey table, with a pen, a smartphone and a tablet beside them.
Read the term, the price after the promo and any exit fee before you sign.
  • Mid-contract price rises are not included unless known. Check the provider's annual price change terms before you switch.
  • BT Mobile 10GB: 1-month fixed term. No early termination fee on record; check before you sign.
  • BT Mobile 30GB: 1-month fixed term. No early termination fee on record; check before you sign.
  • BT Mobile 60GB: 1-month fixed term. No early termination fee on record; check before you sign.
  • BT Mobile 150GB: 1-month fixed term. No early termination fee on record; check before you sign.
  • Fibre 1: 24-month fixed term. No early termination fee on record; check before you sign.
  • Fibre Essential: 24-month fixed term. No early termination fee on record; check before you sign.
  • Fibre 2: 24-month fixed term. No early termination fee on record; check before you sign.
  • Full Fibre 300: 24-month fixed term. No early termination fee on record; check before you sign.
  • Full Fibre 500: 24-month fixed term. No early termination fee on record; check before you sign.
  • Full Fibre 900: 24-month fixed term. No early termination fee on record; check before you sign.

Frequently asked questions

8 questions
Is BT BT Mobile 10GB on a fixed contract?
Yes, BT BT Mobile 10GB has a fixed contract length of 1 month.
Is BT BT Mobile 30GB on a fixed contract?
Yes, BT BT Mobile 30GB has a fixed contract length of 1 month.
Is BT BT Mobile 60GB on a fixed contract?
Yes, BT BT Mobile 60GB has a fixed contract length of 1 month.
Is BT BT Mobile 150GB on a fixed contract?
Yes, BT BT Mobile 150GB has a fixed contract length of 1 month.
Is BT Fibre 1 on a fixed contract?
Yes, BT Fibre 1 has a fixed contract length of 24 months.
Is BT Fibre Essential on a fixed contract?
Yes, BT Fibre Essential has a fixed contract length of 24 months.
Is BT Fibre 2 on a fixed contract?
Yes, BT Fibre 2 has a fixed contract length of 24 months.
Is BT Full Fibre 300 on a fixed contract?
Yes, BT Full Fibre 300 has a fixed contract length of 24 months.

Where broadband costs matter

Compare for the way you live

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Compare BT in your area

Is BT the cheapest broadband for your postcode?

Search your postcode and we rank BT against every other broadband listed for that area, on real monthly cost. Sponsored placements are labelled and never change the order.

Search your postcode →

A UK residential street of red-brick Victorian houses with bay windows, cars parked along the kerb and a 20 mph sign.
Plans are listed per region: your postcode decides which ones are ranked.