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Updated for the 2026/27 tax year.

Guide

Is It Worth Switching Broadband? Compare the Full Cost

A lower advertised monthly price is a reason to compare, not proof of a saving. Put switching, staying and waiting until the current contract ends on the same timeline before ordering.

By IsMyPayRight

Last reviewed

UK household broadband; check live quotes and your contract terms

Quick answer

Switching saves money only when the total cost of a suitable replacement, including switching costs and price rises, is lower than your realistic alternative over the same period. Check eligibility for a social tariff first, then get the current provider’s exit figure and written quotes.

On this page

First check the service you need and any social tariff

Write down the service you need: address availability, usable download and upload speeds, working from home, reliability, accessibility support and any landline number you need to keep. Check equipment such as a telecare alarm directly with its supplier before changing the connection. A cheaper unsuitable service is not an equivalent saving.

Check Ofcom’s social-tariff list before comparing ordinary deals. Certain benefit recipients may qualify; availability and eligibility vary. Check the individual tariff rather than assuming that employment prevents eligibility or that every provider offers the same terms.

Ask HR whether an existing discount or employer-funded connection is available, and read its conditions. Do not assume a home broadband bill is reimbursable or tax-free. The workplace benefits guide separates employer support from personal spending.

Build three realistic options over the same dates

  1. Stay: use your actual remaining prices and the out-of-contract price or a written renewal quote after the minimum term.
  2. Switch now: include the exit figure for the intended date, setup and the replacement’s complete price schedule.
  3. Wait, then switch: include current bills until the end date and an explicitly assumed replacement cost afterwards. Today’s offer may not still exist then.

Choose a shared horizon, such as the next 24 months. If a quote lasts only 18 months, include an explicit assumption for the remaining six; do not compare 18 payments with 24. Mark uncertain future renewal prices and test a higher-price case. Include any commitment extending beyond the comparison end date separately.

Use the written contract summary and price schedule. Ofcom’s contract checklist explains that contractual rises must be shown in pounds and pence with their timing. This does not mean every contract has a fixed price. Record the quote date, minimum term and each change date.

Worked example: £10 less a month becomes a £114 saving

Hypothetical quotes, not available offers. Compare 24 months starting on the switch date. Staying costs £38 a month throughout this illustration. Switching costs £28 for 12 months then £31 for 12 months, with an £80 exit charge and £10 setup fee. Assume no other costs, overlap, rewards or service differences.

Like-for-like 24-month illustration
CostStaySwitch now
First 12 months12 × £38 = £45612 × £28 = £336
Next 12 months12 × £38 = £45612 × £31 = £372
Exit and setup£0£80 + £10 = £90
Total£912£798

The saving is £114 over 24 months, an average £4.75 a month. The initial £10 price difference alone would overstate it. The £90 upfront costs are recovered after nine complete months at a £10 monthly difference, before the assumed rise. Actual payment dates can change when cash is needed.

If the exit charge were £200 instead of £80, switching would cost £918: £6 more than staying. If you expect to move or cancel early, calculate that scenario too. A long contract can outweigh a small saving.

Copy this full-cost worksheet

For each option, total every price stage, then add the relevant one-off costs. Use VAT-inclusive household prices. Keep bill credits separate until their eligibility and timing are clear.

Complete a column for stay, switch now and wait
Worksheet lineWhat to record
Recurring serviceEach monthly price × the exact number of bills at that price
Leaving costsDated exit charge; equipment charges if applicable
Starting costsInstallation, activation, delivery and required equipment
Other servicesChanged mobile, TV, calls or other bundle costs
OverlapOnly charges genuinely payable for simultaneous services
Total before rewardsAll the above, without counting the same charge twice
Rewards scenarioGuaranteed credits; uncertain cashback shown separately
Cash needed firstExit settlement, setup and first bill before any later reward

An exit charge may replace remaining service payments: do not automatically add both for the same cancelled period. Ask the provider what the figure covers. Include a TV or mobile discount lost by leaving, even if that bill comes from another account. Value a voucher only at what it actually replaces in your planned spending, not automatically at face value.

Arrange the switch without creating unnecessary overlap

Under Ofcom’s One Touch Switch process, contact the new provider to arrange the broadband switch; do not separately cancel the old service unless instructed for your situation. Read the switching information about charges and other services before proceeding.

Ofcom says the old provider cannot charge a notice period beyond the completed switch date under this process. If you choose to manage the switch yourself, notice and simultaneous-service costs can arise. Treat deliberate backup overlap separately; it is not an inevitable charge for every switch.

Confirm what happens to any TV subscription, provider email address, number and equipment. Follow return instructions and retain proof of postage. Read the cancellation rights and deadlines before ordering, particularly if installation is requested during a cancellation period.

When staying or waiting can be the better choice

Wait or renegotiate if exit costs exceed the savings, a renewal meets your needs for less, a move would make the new commitment unsuitable, or the replacement lacks required features. A lower total still may not be affordable if the first payment is too large. Compare the cash requirement with your payday plan.

Check whether a bundled saving can be beaten by separate suitable services using the mobile comparison guide. Do not buy a faster tier, TV package or extra SIM just to qualify for a discount on something you already have.

If payments are difficult, contact your provider about support and check official social tariffs before entering another contract. Save the quote and worksheet, then check the first bills against them. Count a recurring saving only once it is confirmed; a later cashback payment is not dependable monthly income. This is general comparison guidance, not a provider recommendation.

Ready to compare broadband deals? Collect these quotes first

Have your postcode, current bill, contract end date and dated exit figure ready. Check social-tariff eligibility first, then collect a renewal quote and at least one suitable alternative available at your address.

  1. Match the service you need, including speed, equipment and any landline requirements.
  2. Copy every monthly price stage and one-off fee into the worksheet above.
  3. Compare switching now with staying and waiting until the minimum term ends.
  4. Check the provider’s final contract summary and installation date before ordering.

Compare comparison-site results with direct-provider and existing-customer quotes. Check which providers are included and whether featured placements are sponsored. Save the quote date and terms: a headline price or reward alone does not establish the lowest suitable total cost.

What to check

  • Compare the same dates, suitable service and all price stages.
  • Include exit, setup, delivery and any genuine overlap costs once.
  • Keep unconfirmed cashback separate from the cost you must pay.
  • Check landline, alarm, accessibility and bundle requirements before switching.

What to do next

  • Find the minimum-term end date and request a dated exit-cost figure.
  • Collect a suitable new quote and a stay or renewal quote.
  • Complete the cost worksheet and check the first-bill cash requirement.

Try the tool

Check your payslip or model a change.

Use the checker if you already have a payslip. Use the calculator if you want to model take-home pay or salary-sacrifice changes before payday.

About this guide

Published by IsMyPayRight to help you understand pay and deductions. Guides use official reference material and practical examples, with AI assistance in content preparation.

This is general guidance, not a professional review of your circumstances. Read our editorial process and corrections information.

Methodology and sources

See how the calculations work, which sources they use, how results are tested, and which payroll details the estimates cannot verify.

Common questions

Is a cheaper monthly broadband price always a saving?
No. Add all price stages, exit charges, setup and changed bundle costs over the same dates. Compare a suitable service with staying or waiting. A lower monthly headline can still produce a higher total.
Should I cancel my old broadband myself?
For One Touch Switch, arrange the switch with the new provider and follow its instructions. Separately cancelling can interfere with the process. If you manage your own switch, check notice, timing and any genuine overlap charges.
Should I subtract cashback from the broadband cost?
Show the total before rewards first. Only include credits whose eligibility and timing are confirmed in the committed-cost comparison; show conditional cashback separately and budget to pay bills before it arrives.

Official sources

Official sources

Use these references to check the rules behind this guide. Check the tax year and your circumstances before applying an example to your own pay.