Quick links
- Understanding your electricity bill
- Average electricity usage for a four-bedroom house
- Why your electricity bill isn’t average
- How to calculate your own electricity bill
- How your four-bedroom home compares
- Practical ways to reduce your electricity bill
- Budgeting for a busy home
Knowing the average electricity bill is a great starting point for budgeting. Averages also help you to spot if you’re overusing, so you can start looking for opportunities to reduce your electricity usage.
However, averages are just that: average. Each home will have a different bill based on usage, location, tariff, and the property's energy efficiency.
A four-bedroom house could house a family of two adults with children, or it could be 4 adults in a house share. They’re obviously going to use different amounts of energy, and their bills will reflect this. Your circumstances impact your usage and how much you pay.
Your monthly payment is based off what your supplier thinks you’ll used based on the number of people in your home, and its size. You can end up with a final bill or a rebate at the end of your contract if you’ve used more or less than you’ve paid for.
For example:
- A high-consumption household in a four-bedroom home can expect to pay around £1,328 per year for electricity, that’s roughly £111 per month on direct debit.
- This is based on Ofgem’s figures for a typical high-usage home, which consumes around 4,100 kWh of electricity annually.
Larger homes naturally use more energy, with more rooms to heat, more appliances running, and more people living there.
In this guide, we’re focusing specifically on electricity, including average bills for a 4-bed home, what makes bills “above average,” and how to lower your utility bills.
Understanding your electricity bill
Get to know your bill, then you can start bringing it down with smart budgeting and small habit changes.
Every electricity bill is made up of two factors:
- Cost per kWh (kilowatt hour): The price per unit of electricity
- Standing charges: A fixed daily fee covering supplier costs
The Energy Price Cap
The Energy Price Cap sets a limit on how much suppliers can charge for gas and electricity, helping keep standard variable tariffs fairly priced.
In practice, it caps the price per unit and the standing charge, and it’s reviewed every three months to reflect changes in wholesale energy costs. For the latest figures, check Ofgem’s Energy Price Cap page.
The price cap applies to your bills if you pay by:
- Standard credit (payment made when you get your electricity and gas bill).
- Direct debit.
- Prepayment meter.
- Economy 7 (E7) meter
The Energy Price Cap does not limit your total bill; it limits the cost per unit of energy and the daily standing charges. So, the more electricity you use, the more you’ll pay.
Is your four-bedroom house’s electricity bill higher than average? It could be for any of the following reasons:
- Higher energy usage: The price cap doesn’t limit your total bill, so if you use more energy than the average household, your bill can still go above the cap.
- Property type: Different homes use different amounts of energy. For example, a four-bedroom house with two adults and two kids will likely use less electricity than a house share of young professionals.
- Tariff type: The price cap only applies to standard variable tariffs and prepayment meters. If you’re on a fixed-rate deal, your prices aren’t subject to Ofgem’s cap.
- Additional costs: Your bill may also include taxes, levies, and supplier fees on top of your standing charge and usage.
Average electricity usage for a four-bedroom house
Ofgem splits the average electricity bill into three categories: low usage (a one-bed flat or a small house with 1–2 people), medium usage (a standard three-bed home), and high usage (4+ bedroom home; 4 to 5 people).
So, the typical usage for a four-bedroom house is likely in the ‘high usage’ category.
Average electricity usage for a four-bedroom property (4-5 people) when paying by direct debit:
- Annual: 4,100 kWh
- Monthly: ~342 kWh
- Daily: ~11.2 kWh
How much is that in reality?
Here are some examples of appliances and their usage:
- A typical kettle uses approximately 0.11 kWh to heat 1 litre of water.
- A dishwasher typically uses 1.2–1.5 kWh per full cycle.
- A washing machine uses 2.1 kW per 60-minute cycle.
- A microwave uses around 0.8 kWh per hour, or roughly 0.13 kWh for a 10-minute reheat.
Your family’s lifestyle and usage will impact whether you’re “average” or above/below. For example a 4-adult household with people working from home will use more energy than a family home where everybody is out all day.
Worried about above-average electricity bills? The choice you make will impact what you pay, for example:
- Drying clothes with a tumble dryer, electric airer, or by turning up the heating.
- Taking baths instead of quick showers, which use far more hot water (and energy).
- Working from home with the heating on versus being out all day with everything switched off.
Why your electricity bill isn’t average
There are so many reasons why your electricity bill might not align with Ofgem’s averages.
Ultimately, your bill is based on what you use, and The Energy Price Cap only caps the price you pay per unit of energy, and for standing charges, not your total outgoing.
Here are some reasons why your bill might be above average:
Tariffs
The price cap only applies to households on standard variable tariffs and prepayment meters. Fixed-rate tariffs are not covered by the Price Cap as they stay fixed while the cap changes every quarter.
Home size
Bigger homes are typically more expensive to run, although you can mitigate this with energy-saving changes like LED lightbulbs and turning off devices when you leave the room.
Your usage habits
If you use more than the average amount of electricity, then your bill will be higher. For example, if you work from home, your bill will be higher than that of a family of four who are out all day.
Future price changes
The Price Cap is updated every three months and is based on various economic and environmental factors. The most recent figures are just a guide, and you should avoid making any future predictions until the cap is announced (usually a few weeks before it comes into play).
Where you live
The cost of electricity varies across the UK. Some places (like North Wales and the Mersey) have higher-than-average electricity costs due to factors such as transport costs, challenging terrain, and population density. Meanwhile, Southern Scotland has the lowest average electricity bills.
How you pay
Your payment method will affect how much you pay.
- Monthly direct debit is the cheapest because the supplier is guaranteed payment and they’ll pass on the savings to you.
- Paying via pre-payment or upon receipt of your bill is typically more expensive.
- Some suppliers allow you to add card details to your account, but your payment will fail if you lose your card, or it expires, which makes it easy to fall into arrears.
Additional costs
On top of your usage and standing charges, you might still pay a little extra due to taxes, levies, or supplier fees.
How to calculate your own electricity bill
Your bill shows exactly how much electricity you’ve used in kWh, along with your standing charges. If you have a smart meter, you can also check your usage in real time, which is useful for spotting energy drains.
Depending on your supplier, bills can be calculated monthly, quarterly, or even annually, even if you make monthly direct debit payments. That means your own calculations might not always match what you pay each month, especially when averaged out over the year.
How to calculate your electricity bill:
- Download your latest bill from your online account, or check your smart meter for up-to-date kWh usage.
- Check your rates. If your last bill covered a previous quarter, remember your unit rate or standing charges might have changed under the Price Cap.
- Work it out: (Total kWh used × Unit rate in £) + (Number of days × Standing charge in £) = Your bill.
What about Unlimited Energy?
Use a lot of power? High usage homes benefit the most from our Unlimited Energy tariff, which means you pay the same for electricity, no matter how much you use.
Get a quote for Unlimited Energy as part of a bill package.
How your four-bedroom home compares
No two households are the same. Even your neighbour in a similar home might have a different bill to yours if you use more electricity.
You can’t compare the electricity usage of a couple living in a small flat with a family with young children in a two-bed semi.
The average usage for a four-bed home is likely to fall under Ofgem’s "High" (4,100 kWh) usage category, depending on your habits.
Here are the average electricity bills for low, medium, and high usage properties:
|
Usage Level |
Household Size |
Annual Usage (kWh) |
Approx. Annual Cost |
Approx. Monthly Cost |
|
Low |
Flat / 2-bed |
1,800 kWh |
~£670/yr |
~£56/mo |
|
Medium |
3-bed home |
2,700 kWh |
~£960/yr |
~£80/mo |
|
High |
5-bed home |
4,100 kWh |
~£1,328/yr |
~£111/mo |
Practical ways to reduce your electricity bill
Using less energy is the single best way to cut down your electricity bills, since you pay for what you use. Need tips? Take a look at our easy energy saving guide and energy saving myths.
Here are some energy-saving tips to get you started:
- Get a smart meter: It shows your real-time energy use, making it easier to spot which appliances are using the most power.
- Use smart plugs: Control devices remotely and set timers. You can even track the energy use of specific devices.
- Switch to LED bulbs: They use around 80% less electricity than halogens and last much longer.
- Turn off appliances at night: “Vampire energy” may be overstated, but lots of devices on standby can still add up in a large household. Switch them off fully whenever possible.
- Coordinate appliance use: In bigger families, staggering things like showers, tumble-dryer loads, and cooking times can help avoid peak-time usage and reduce overall demand.
- Set shared household habits: Simple routines make a noticeable difference when several people pitch in.
Looking to make your property more sustainable? Here are some ways to invest in your home:
- Install a heat pump: For every unit of electricity they use, they can produce three to four units of heat in return.
- Insulate your home: Good insulation keeps warmth in for longer, reducing the need for electric heaters, heated blankets, and other plug-ins.
- Add solar panels: With enough sunlight, you can generate your own electricity and sometimes even send excess energy back to the grid, helping offset your overall usage.
Budgeting for a busy home
Understanding the average electricity bill for a four-bedroom home gives you a solid starting point, but you’ll only work out your real costs when living day to day.
Bigger families, more rooms, busy schedules, and different habits all shape your final bill.
By keeping an eye on your usage, you can bring your monthly costs down without sacrificing comfort.
If you’d prefer a simpler way to stay on top of everything, One Utility Bill bundles your bills into one fixed monthly payment, so you can focus on running your home, not daily admin.
Get a quote today and take one more job off your list.