Can you put solar on an older house?

Yes, you can install solar on an older house. The idea that panels only work on new builds is a myth. Most residential solar in Europe sits on existing roofs, many of them decades old. What matters is not the age of the house but the condition of the roof and the electrical setup, and both of those are checked before any installation.

So why do people think it needs a new house?

The myth comes from a fair concern. Panels are meant to stay up for around 25 years, so it makes sense to put them on a roof that can last that long too. That does not require a new house. It requires a sound roof. A structure that is solid and in good repair is a good candidate, whatever its age.

What makes an older roof suitable?

• The roof structure is sound and can carry the added weight
• The covering (tiles, sheet or membrane) has plenty of service life left
• There is enough unshaded area with a reasonable orientation
• The electrical panel can be brought up to standard where needed

If a roof is near the end of its life, the honest advice is often to renew the covering first, then mount the panels. That avoids taking the array down in a few years to redo the roof underneath. A good contractor will tell you this openly rather than sell you an install that causes trouble later.

How do you know where your roof stands?

With a proper site assessment. A qualified team looks at the structure, the covering, shading and the electrical panel, then tells you plainly whether the roof is ready or needs work first. A SunVolt Club membership includes a professional energy assessment with a written report in 48 hours, so you get a clear answer instead of a guess.

The bottom line is reassuring. Older houses are not shut out of solar. Most simply need a straightforward check to confirm the roof is up to the job, and many pass it without any issue at all.