What does the new EU solar law mean for buildings?

The new law is set to require solar installations on buildings across the European Union. This means that solar installations must be integrated into building works, and public bodies must retroactively install PV on their buildings, entering into force gradually from 2026.

Do I need a building regulations approval for a PV system?

Building Regulations approval may require the product to have passed the wind uplift, water penetration and spread of flame tests (see section 2.1.1.2). These will usually be applicable only where the PV is integrated into the fabric of the building.

Will EU members have to install solar panels in public and non-residential buildings?

The legislation says that if technically and economically suitable, EU member states will have to deploy solar installations progressively in public and non-residential buildings, depending on their size.

Are there any UK standards relating to a PV installation?

While many UK standards apply in general terms, at the time of writing there is still relatively little which specifically relates to a PV installation. However, there are two documents which specifically relate to the installation of these systems that are of particular relevance:

What is a roof mounted photovoltaic system guidance?

The guidance refers only to the mechanical installation of roof mounted integrated and stand-off photovoltaic systems; it provides best practice guidance on installation requirements and does not constitute fixing instructions.

What are the requirements for a PV installation?

Virtually all domestic PV installations will fall under the scope of Part P. Part P requires the relevant Building Control department to be notified and approve the work. There are two routes to comply with the requirements of Part P: Notify the relevant Building Control department before starting the work.