How much will a domestic solar water heating system cost?

A typical domestic solar water heating (solar thermal) in the UK will cost between £2,500 and £5,000, including installation and the cost of a new twin coil hot water cylinder.

A big part of this cost is for plumbing and scaffolding, so you can sometimes save money by installing SWH while carrying out repair work – or by integrating SWH in the construction of a new building.

The Energy Saving Trust have some guide prices for solar water heating available in the Solar Water Heating section of their website.

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