Create a one-page bill map
List energy, water, council tax, broadband, mobile plans, insurance, mortgage or rent, subscriptions and regular finance payments. Record the monthly or annual amount, payment date, contract end date, notice period and any exit fee. Use a full year of statements so annual renewals and seasonal costs are not missed.
Review contracts before usage
For broadband and mobile, check whether an introductory period has ended, whether the household uses the speed or data allowance being paid for, and whether handset finance is separate from airtime. For insurance, compare equivalent cover, excesses and exclusions. For energy, distinguish the unit rate and standing charge from the amount collected by direct debit.
Then examine avoidable use
Look for heating or hot-water schedules that no longer match the household routine, devices or subscriptions nobody uses, duplicate protection, and food or travel habits that create repeated waste. Small changes matter most when they are repeatable and do not undermine health, safety or essential comfort.
Use official help when bills are difficult
If payments are becoming unmanageable, contact the provider early and use current sources such as Citizens Advice, MoneyHelper, GOV.UK and the relevant regulator. Eligibility and schemes change, so check live official information rather than relying on an old article or social-media claim.
Local information
Household circumstances change the answer
A family working from home may value reliable broadband more than the lowest headline price; a rural household may have fewer network choices; a flat may include some costs within a service charge; and a prepayment customer will use a different energy routine. Compare solutions against the household you actually run.
Household bill questions
Which bill should I review first?
Start with the nearest renewal or the largest unexplained increase. Contract end dates often create a natural opportunity, but urgent arrears or payment difficulty should be addressed immediately with the provider and an impartial support service.
Does the cheapest price always save money?
No. Exit charges, setup fees, cover levels, service quality, contract length and actual household needs can change the result. Compare the full offer rather than one headline figure.
Am I required to switch after entering?
No. Entry is free and there is no obligation to switch after receiving your personalised comparison.
Enter the £20,000 Cash Giveaway
Enter the free £20,000 Giveaway by 31 August 2027. As part of your entry, we’ll also send you a personalised household savings comparison using the information you provide. There is no obligation to switch. Eligibility and full draw details apply.
Common questions
Where should I start with a household budget review?
Start with your regular household payments and annual costs. Check what you use, what each service costs and when contracts end before deciding whether to make changes.
What should I check before switching a service?
Compare equivalent services, including contract length, exit fees and any benefits you currently use. Keep essential insurance and other cover in place.
How do I enter the £20,000 Giveaway?
Use the Enter button to visit the main 20K website, read the current eligibility requirements and complete the entry form.
Useful guides from 20K
Geographical guide
Win £20,000 Cash in Glasgow
Working families
Money-Saving Ideas for Working Families
Household savings
How to Reduce Household Bills in the UK

