Cost guide
How much does a Solar hot water cost?
Thinking about solar hot water for your home? It's a wonderful way to enjoy free hot water from the sun, reducing your energy bills and helping the environment. This guide will give you a clear idea of the costs involved, so you can plan your budget with confidence. You'll soon be enjoying those warm, sunny showers!
Typical price
£4,000 to £6,000
What changes the price
Panel Size and Number
Larger systems or more panels will naturally cost a little more to install.
Hot Water Tank
You might need a new hot water cylinder with a coil suitable for solar thermal.
Roof Type and Access
Easy access to your roof can help keep installation costs down.
System Complexity
More advanced systems with extra features will usually be a higher investment.
Installation Time
Tricky installations or longer jobs can sometimes add to the total cost.
Plumbing Modifications
If your existing plumbing needs significant changes, this will affect the price.
Prices by region
| Region | Low | Typical | High |
|---|---|---|---|
| London | £4,500 | £6,000 | £7,500 |
| South East | £4,200 | £5,700 | £7,200 |
| South West | £4,000 | £5,500 | £7,000 |
| East of England | £4,000 | £5,500 | £7,000 |
| Midlands | £3,800 | £5,300 | £6,800 |
| North West | £3,800 | £5,300 | £6,800 |
| North East and Yorkshire | £3,700 | £5,200 | £6,700 |
| Scotland and Wales | £3,700 | £5,200 | £6,700 |
Questions people ask
How long does a solar hot water system last?
These systems are built to last a long time, often over 20 years. This means many years of enjoying free hot water from the sun.
Do I need planning permission?
Most solar hot water installations are considered 'permitted development'. However, it's always a good idea to double check, especially if you live in a conservation area or listed building.
Will it work on cloudy days?
Yes, your solar thermal system will still generate hot water on cloudy days. It just might not be quite as efficient as on a bright, sunny day.
What maintenance does it need?
Solar hot water systems usually require very little maintenance. An annual check by a professional can ensure everything is working perfectly.
Will it cover all my hot water needs?
Your solar hot water system will significantly reduce your reliance on traditional heating. Most homes will still use a backup water heater for very long cloudy spells or high demand.
Is my home suitable for solar hot water?
Most homes with a south facing roof are suitable. A certified installer can assess your specific property and advise you on the best solution.