Last updated: March 27th, 2023 at 09:22 am

Solar thermal energy is becoming increasingly popular in the UK as more and more homeowners look for ways to reduce their energy bills and carbon footprint. While solar thermal systems are relatively simple and easy to maintain. Therefore, the cost of installation can vary widely depending on a number of factors. In this blog post, we’ll explore the factors that affect the cost of solar thermal installation in the UK.

Factors Affecting the Cost of Solar Thermal Installation:

Size of the System:

One of the biggest factors that affect the cost of a solar thermal system is the size of the system. The larger the system, the more expensive it is to install. The size of the system required for your home will depend on a number of factors, including the size of your home, your hot water demand, and your location.

Type of Panels:

The type of solar panels you choose will also affect the cost of installation. Flat plate collectors are the most common type of solar panel used in the UK and are generally the most cost-effective option. However, if you have limited roof space, you may need to consider using evacuated tube collectors, which are more expensive.

Orientation and Angle of the Panels:

The orientation and angle of the solar panels can also affect the cost of installation. In order to get the most out of your solar thermal system. The panels need to be installed at the correct angle and orientation. If your roof is not ideally oriented or angled, additional supports or mounting systems may be required, increasing the cost of installation.

Complexity of Installation:

The complexity of the installation process will also impact the cost. Cost will be higher if your roof is difficult to access or the installation requires additional structural work. Similarly, if your hot water system needs to be updated or modified to work with the solar thermal system, the cost will also increase.

Quality of the Installation:

Finally, the quality of the installation will also affect the cost. It’s important to work with a reputable and experienced solar thermal installer to ensure that your system is installed correctly and will perform efficiently. While working with a higher-quality installer may cost more upfront. Moreover, it can save you money in the long run by ensuring that your system is working at maximum efficiency.


The cost of solar thermal installation in the UK varies depending on a number of factors. including the size of the system, the type of panels used, the orientation and angle of the panels, the complexity of solar thermal installation, and the quality of the solar thermal installation. To get an accurate idea of the solar thermal installation for your home or business. It’s best to contact a reputable installer and get a quote based on your specific needs and circumstances. By doing your research and working with a reputable installer, you can ensure that you’re getting the best value for your money and that your solar thermal system will provide long-term energy savings and environmental benefits.

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