Cutting your energy bills advice guides

Top tips on cutting your energy bills, from using your heating controls effectively to managing your energy use, to help you save money.

11 articles

Use our home energy planning tool for a more energy efficient home

Access the information you need to reduce your energy bills and prepare for a greener future by making your property more energy efficient

27 June 2025

What is the energy price cap?

The energy price cap decreased by 7% on 1 July 2025. Here's how it works and whether it applies to your bills.

1 July 2025

Energy tariffs explained

Find out the difference between energy tariffs to understand which is best for you.

1 July 2025

How to estimate your energy use

Find out how to work out how much gas and electricity you use, and therefore how much it will cost

1 July 2025

Is a prepayment energy meter right for you?

What you need to know about prepayment meters for energy, including how much it costs

1 July 2025

How to save on your energy bill

Save hundreds of pounds on your energy bill with our practical money-saving tips.

Gas and electricity meters explained

Gas and electricity meters - find out the differences between smart meters, prepayment meters, Economy 7 meters and standard meters, and how to read them. Plus what you need to know about them to save money.

23 June 2025

How much your appliances cost to run

Which? reveals the running costs for tumble dryers, dishwashers, fridge freezers and other appliances, plus tips to reduce your energy bills at home

23 May 2025

Time of use tariffs explained

Find out the difference between time of use energy tariffs to help you understand which is best for you.

2 April 2025

Are energy monitors the best way to measure your power usage?

What is an energy monitor and how is it different from a smart meter? Our expert advice explains the benefits of a power monitor, typical prices and how to buy one

3 February 2025

Which? unveils Home Energy Planning Service to help households reduce bills and go green

In a groundbreaking move, consumer champion Which? has launched a unique, free home energy planning service designed to give households the confidence and knowledge they need to cut energy costs and prepare for a greener, more sustainable future.

30 September 2024