Can you mount solar panels on a wall?

Yes. A sunny wall can take a flush (vertical) or angled bracket. Angled mounts generate more but catch more wind. The critical factor is fixing into something structural with fittings rated for the load.

Are wall-mounted solar panels less efficient?

A flush, vertical wall mount produces less than an angled one because it doesn't track the sun's height as well. An angled frame on a south-facing wall can perform well.

Mounting & placement

Wall-mounted solar panels: a practical guide

A sunny external wall can be a good home for a plug-in solar panel — out of the way, secure and often south-facing. The key is choosing a bracket that suits both the panel and the wall, and fixing it so it stays put.This guide covers the options and the safety points. For the full set of approaches, see the mounting systems hub.

Written and edited by Christopher Panteli

Last reviewed 21 June 2026

Christopher is the founder and editor of MyPlugInSolar. He oversees the site’s research standards, data tools and editorial process. He is not an electrician or solar installer, and specialist technical claims are sourced from official documentation or reviewed by appropriately qualified professionals.

Flush versus angled wall mounts

A flush mount holds the panel vertically against the wall — tidy and low-profile, but vertical panels generate less. An angled frame tilts the panel out toward the sun for more output, at the cost of a larger, more wind-exposed fixing. The output trade-off is the same as elsewhere — see solar panel direction and angle.

Fixing into different walls

The wall's construction decides the right fixings. Solid brick or block can usually take appropriate masonry fixings; cavity walls, rendered or clad walls, and timber-framed walls each need a different, suitable approach so the load is carried by something structural, not just a surface layer.

Identify the wall type before choosing fixings.
Use fixings rated for the panel weight and wind load.
Avoid fixing only into render, cladding or a single skin where that won't carry the load.

Safety and wind loading

A panel on a wall, especially angled out, catches significant wind. If the fixing fails, it can fall on people below. This is not a place to improvise.

Safety and compliance

Wall fixing and wind loading are safety-critical. Use brackets and fixings appropriate to your wall and panel, follow the manufacturer's instructions, and consult a suitably qualified professional where the wall type or wind exposure is uncertain or where failure could injure someone.

Permissions and the legal position

Fixing to an external wall may need permission on flats or shared buildings (landlord and freeholder permission) and can touch planning permission in some cases, particularly on listed buildings. Plug-in solar is also not yet legal to use in the UK — see the legal status.

Frequently asked questions

Can you mount solar panels on a wall?: Yes. A sunny wall can take a flush (vertical) or angled bracket. Angled mounts generate more but catch more wind. The critical factor is fixing into something structural with fittings rated for the load.
Are wall-mounted solar panels less efficient?: A flush, vertical wall mount produces less than an angled one because it doesn't track the sun's height as well. An angled frame on a south-facing wall can perform well.

Sources

1. BS 7671 Requirements for Electrical Installations (IET Wiring Regulations) — Institution of Engineering and Technology

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