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Last updated: 13 March 2024

What Would Solar Panels for a 2000 sq. ft. Home Cost in the UK?

solar panels for 2000 sq ft home cost

The cost of solar panels is a major consideration for homeowners in the UK who are thinking about making the switch to solar energy. The upfront cost of solar panels can be significant, but the long-term savings on energy bills can make solar a worthwhile investment.

The benefits of having solar panels in the UK vary depending on a number of factors, including the cost of the system, the amount of electricity generated, and the price of electricity. This article focuses on the best solar panel options for UK homeowners. 

So if you're that homeowner wondering "How many solar panels do I need for a 4-bedroom house" (or any other house, really), you're in the right place.

Whether you are an environmental enthusiast, or already looking into solar panels for a new build or a rental property, this article will walk you through how to identify the best solar panel options. 

Household Quotes can help you find the best solar installer near you. Simply fill out our 30-second form and we’ll provide you with up to 4 quotes from experienced solar professionals. The quotes are free and non-binding. Click below to begin!

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Factors influencing solar panel cost

There's a lot you need to weigh before opting for a solar panel installation. And this is mainly about considering several crucial factors.

  • The brand and quality of solar panels. Higher-quality solar panels will typically be more expensive, but they will also be more efficient and have a longer lifespan.
  • Inverter type and costs. Inverters are used to convert the DC electricity generated by solar panels into AC electricity that can be used by your home. Inverters can be expensive, but they are an essential part of any solar panel system.
  • Installation and labor costs. Solar panel installation can be a complex process, so hiring a qualified solar installer is important. The cost of installation will vary depending on the size and complexity of your system, as well as the location of your home. Or if you're considering solar panels for a slate roof or metal roof, price considerations might be different as those materials need different approaches.
  • Potential need for roof repairs or reinforcements. If your roof is old or in poor condition, you may need to make repairs or reinforcements before installing solar panels.
  • Maintenance and cleaning. Solar panels require very little maintenance, but they should be cleaned regularly to remove dirt and debris. You can clean your solar panels yourself or hire a professional solar panel cleaner.

How much would a solar panel system cost?

The average cost of solar panels for a 2000-square-foot home in the UK ranges from £10,000 to £20,000. The price will vary depending on your home's size, the brand and quality of the solar panels, the type of inverter, and the cost of installation. Something that we don't discuss on this page, but could influence the total costs, are the costs of solar batteries.

The table below shows how much solar panels cost for a home of a certain square footage and how many solar panels are needed:

Home size (sq. ft.)Solar panel system costNumber of solar panels

It is important to note that these are just estimates. The actual cost of solar panels and the number of solar panels needed will vary depending on a number of factors, including the efficiency of the solar panels, the amount of sunlight your home receives, and your energy consumption habits.

If you are considering installing solar panels, it is important to consult with a qualified solar installer. They will be able to assess your needs and design a solar system that is right for your home.

Making such a large investment requires thorough research and the comparison of different offers, which can be very time-consuming if done alone. 

Household Quotes can help you find the solar panel system that fits your home and budget the best. By filling in the form above, you can get up to 4 free no-obligation quotes from our trustworthy suppliers, saving you time and money. Click the button below to begin.

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The cost of solar panels in the UK is typically measured in watts. A watt is a unit of power, and it is used to measure the amount of electricity that a solar panel can generate. The cost per watt of solar panels varies depending on the brand and quality of the panels.

To calculate the estimated cost of a solar panel system for your home, you will need to know the size of your system in watts. You can use a solar calculator to estimate the size of your system based on your electricity usage.


Once you know the size of your system in watts, you can multiply that number by the cost per watt to get an estimated cost for your system. For example, if you need a 5kW system and the cost per watt is £2.50, then the estimated cost of your system would be £12,500.

It's worth noting that most homeowners insurance policies in the UK will cover solar panels. However, you may need to increase your coverage limits to account for the value of your solar panel system.

How much can you earn back from selling back energy?

How can you use solar panels to your benefit? Well, the Smart Export Guarantee (SEG) is a UK government scheme that allows homeowners to earn money for the electricity they generate from their solar panels. Under the SEG, homeowners can sell their excess electricity back to their energy supplier at a predetermined rate.

There are a number of other financial incentives available to homeowners in the UK who are considering installing solar panels. These incentives can include grants, loans, and tax breaks.

Solar panels can help you to save money on your monthly electricity bills. The amount of savings you will see will depend on the size of your system and your electricity consumption. However, if you have too much electricity for your needs, you can even profit from that by selling it back to the grid. 

The amount of money you can earn back from selling back energy to the grid in the UK varies depending on a number of factors, including:

  • The amount of excess electricity you generate
  • The tariff you are on with your energy supplier
  • The time of day you export the electricity

Under the Smart Export Guarantee, energy suppliers are required to offer customers a tariff for exporting electricity back to the grid. However, the tariffs that suppliers offer vary widely. Some suppliers offer a fixed tariff, while others offer a variable tariff.

The fixed tariff will pay you a fixed amount per kWh of electricity that you export. The variable tariff will pay you a different amount per kWh of electricity that you export, depending on the wholesale price of electricity.

The time of day that you export the electricity also affects the amount of money you will earn. Energy suppliers typically pay higher tariffs for electricity that is exported during peak hours (5 p.m.-8 p.m.) than they do for electricity that is exported during off-peak hours.


On average, you can expect to earn between 5p and 12p per kWh of electricity that you export back to the grid. However, some suppliers offer tariffs that pay as much as 20p per kWh. For a more detailed calculation, you need professional help.

Prepare to spend hours researching which installers service your area, tediously calling up several of these local installers and then individually requesting quotes so that they can compare them. Doesn't sound like something you're ready to spend your precious free time on, right?

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