How Much Do Solar Panels Cost in the UK?
One of the first questions most homeowners ask is how much solar panels actually cost.
The answer depends on system size, roof layout, access, inverter choice and whether battery storage is included, but for most homes the cost is significant enough that it is worth understanding what drives the price.
A proper quote should be based on the roof, the electrical installation and the household's energy use — not just a generic package price.
Last updated: April 2026
Typical Solar Panel Costs in the UK
As a rough guide, a typical domestic solar PV installation in the UK often falls into the following ranges:
- Small system: around £5,500 to £7,000
- Average family home system: around £6,100 to £9,000
- Larger domestic system: around £9,000 to £12,000 or more
These are broad guide prices only. The final figure depends on the equipment chosen and how straightforward the installation is.
What Affects the Cost of Solar Panels?
Two houses can have very different solar prices even if they look similar from the road.
The main factors include:
- Number of panels and total system size
- Panel brand and power output
- Inverter type
- Roof shape, height and access
- Scaffolding requirements
- Consumer unit and electrical work
- Bird protection or other add-ons
This is why online price estimates are useful as a starting point, but not as a substitute for a proper survey and itemised quotation.
How Much Does Battery Storage Add?
If you add battery storage, the cost rises significantly.
As a rough guide, many homeowners should expect battery storage to add several thousand pounds to the overall project cost depending on the size of the battery, the inverter arrangement and whether the battery is being installed alongside new solar or added later.
If you want a more detailed breakdown, read our guide on solar battery storage cost in the UK.
Is VAT Included?
Solar installations currently benefit from reduced VAT treatment in the UK, which has helped make systems more affordable than they would otherwise be.
This is worth bearing in mind when comparing older online price guides with current quotations.
Should You Choose the Cheapest Quote?
Not necessarily.
A cheaper quote may leave out important parts of the job such as better mounting systems, compliant protection, improved cable routing, bird protection, or the electrical work needed to integrate the system properly.
Solar is not just about fitting panels to a roof. It is an electrical installation that needs to be designed and commissioned correctly.
What Makes a Solar Quote Good Value?
A good solar quote should clearly explain:
- System size and expected generation
- Panel and inverter specification
- Mounting system details
- Electrical work included
- Any DNO notification or approval required
- Warranty and handover documentation
Good value is not just about the lowest number. It is about getting a system that is safe, sensibly designed and suitable for the property.
Are Solar Panels Still Worth the Cost?
For many households, yes.
Although the upfront cost is significant, solar panels can reduce imported electricity and provide savings for many years. Whether they are worth it depends on the roof, household electricity use and whether the system is sized properly.
For a broader view, read our article on Is Solar Worth It in the UK?.
Solar Installation Costs in Worthing and West Sussex
Speedy Fit installs solar PV and battery systems across Worthing and West Sussex, providing quotations based on the actual property, electrical installation and likely energy usage.
If you want a realistic price for your home, get in touch for a quote. The quickest way is to send your postcode along with a few photos of the roof, meter position and consumer unit.