Question 1

Does my roof need to face south for solar panels?

Accepted Answer

South is ideal but not essential. South-east and south-west facing roofs perform well. Even east and west facing roofs can generate meaningful solar energy.

Question 2

How accurate is this tool?

Accepted Answer

This tool uses Google's solar mapping data which analyses satellite imagery of your property. Results are indicative and a full site survey by an MCS-certified installer is recommended before proceeding.

Question 3

How much do solar panels cost in the UK?

Accepted Answer

A typical 4kW residential system costs between £5,000 and £8,000 including installation. Costs have fallen significantly and grants may be available to reduce this further.

Question 4

How much can I save with solar panels?

Accepted Answer

A typical UK home with a south-facing roof can save £800 to £1,200 per year on electricity bills, depending on system size and energy usage.

Question 5

What is the Smart Export Guarantee?

Accepted Answer

The SEG requires energy suppliers to pay you for excess solar electricity you export to the grid. Rates vary by supplier but are typically 4p to 15p per kWh.

Question 6

Do I need planning permission for solar panels?

Accepted Answer

Most residential solar panel installations in the UK fall under permitted development and do not require planning permission, provided certain conditions are met.