Cost of installing solar panels & battery storage in Sandwell

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Are you looking for the cost of solar panel system for your home in UK– get all the details in this blog.

When someone decides to go solar, the first thing comes in their mind is the cost.

Typically, Solar panels system cost from £5,700 up to £12,000 for residential installations.

The most common size is a 4kW solar panel system, which costs around £7,500 and will cover around 29 square meters of your roof.

The table below shows you everything you need to know.

The average cost of solar panels per kw system in UK


The average cost of solar panels per kw system in UK

System Size



Space on roof

Per year savings on electricity bills

Savings on electricity bills after 25 years

3kW Solar panel system



20 m² – 22 m²



4kW Solar panel system



27 m² – 29 m²



5kW Solar panel system



30 m² – 32 m²



6kW Solar panel system



41 m² – 43 m²



Solar panel system size

Solar panel system size

It comes in various sizes. The correct size is dependent on your home and electricity consumption. The larger system has higher installation cost. 4kW is an average system for the UK houses and it will cost around £7500.

The cost of adding a battery with solar system

The cost of adding the battery with solar system is between £2,500 to £8,000.

The larger battery can store more electricity but obviously cost more. The cost of Solar battery for a three-bedroom size house is up to £4500. You can save up to approximately £250 per year and increase the amount of electricity you get to use.

The cost of adding a battery with solar system
Type of Solar panels

Type of Solar panels

The power output of solar panels is dependent on its quality and efficiency. The three main types of solar panels used for domestic purposes are polycrystalline, monocrystalline, and thin film. Polycrystalline panel has the lowest cost it can cost from £0.90 to £1 per watt.

The process of installation

One more factor that affect the cost is the installation of panels. You need to hire a professional installer to install it and find the best solar panel company. If you go with the larger system on the roof, then you can generate more electricity. The average UK houses expect to pay £7500 for generating the appropriate level of power.
The process of installation

The Labour Cost

Usually, labour cost is including the price of installing solar panels and scaffolding. It can be changed based on the location, and it can cost up to £300 to £500 for per day.

How much you can save with solar panels?

The average-sized home in UK with a 4kW solar panel system can spend almost £7500 to £9000 on the system. It can cut your electricity bill 50% and save up to £300 to £700 annually. There are many benefits of solar panels. To know more about them. Click here.

The savings from solar depends on below factors:

  • Your annually electricity consumption
  • When your panels are in active mode, and you are using appliances
  • The efficiency of Solar panel type
  • The funding schemes of solar panels and you get an income from them
  • Type of electrical appliances
  • Lifestyle at home during the day

You can save more on your bills, but it will depend on how you are using your appliances (Fans, Washing Machine, Dishwasher etc.)


What is the cost for solar installation?

Solar panels usually cost between £5,500 to for domestic installations according to Energy survey.

Does the investment of Solar panels worthy?

Approximately you save up to 70% on electricity bills.

According to the government survey you can recover in the next 25 to 30 years so solar energy in the UK is worth it.

On an average how many solar panels are used to power a house in UK?

It totally depends on the consumption of electric appliances in the house. For example, 4 people in a house can consume up to 5kw in a month.

Do we get free electricity with solar panels?

Solar panel generate energy from the natural resources depending upon the climate of the area so, if you generate more solar power, you can even sell the excess energy back to the electricity provider.

What is the lifespan of solar panel in UK?

The approximate lifespan of solar panels range between 25-30 years.

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