Plug-in solar
Plug-In Solar Planning Permission in the UK: When You Need It
In England most plug-in solar needs no planning permission since 27 August 2026, within set limits. Listed buildings, conservation areas, Scotland and Wales.
Key facts
- Since 27 August 2026, England's permitted development rules name plug-in solar explicitly, under SI 2026/896.
- On a house in England, panels on a wall, balcony or roof enclosure may project up to 0.4 metres, or 0.2 metres where that wall or balcony abuts a highway.
- Plug-in solar on a listed building, on a wooden wall, balcony or enclosure, or on timber cladding is outside permitted development in England.
- Ground-mounted plug-in solar at a house may be up to 2 metres high within 5 metres of the boundary, and 1 metre if it also sits in front of the house.
- Scotland and Wales made no plug-in-specific change; their existing domestic solar rules allow 1 metre and 20 centimetres of projection respectively.
In England, plug-in solar on a house or in its garden usually needs no planning permission. Since 27 August 2026, permitted development rules name plug-in solar: panels on a wall or balcony may project 0.4 metres (0.2 metres beside a highway), ground stands have height limits, and listed buildings and anything wooden are excluded. Scotland and Wales made no plug-in-specific change.
The short answer by nation
Planning is devolved, so the answer depends on where you live. The electrical rules that legalised plug-in solar apply across Great Britain; the planning rules do not.
| England | Scotland | Wales | |
|---|---|---|---|
| Plug-in-specific planning rules | Yes, since 27 August 2026 (SI 2026/896) | No | No |
| General rights for solar on homes | GPDO 2015, Part 14, Classes A and B | GPDO 1992 as amended, Class 6HA (since 24 May 2024) | GPDO 1995 as amended, Part 40, Class A |
| Projection limit from a wall | 0.4 m on a house, 0.2 m if abutting a highway | 1 m | 20 cm |
| Balconies and railings mentioned | Yes, balconies and roof enclosures | No | No |
| Listed buildings | Excluded | Excluded | Curtilage buildings excluded; listed building consent needed |
| Extra limits in conservation areas | Yes | Yes | Yes |
Northern Ireland is not covered by the electrical rules yet, so plug-in solar is not lawful to use there regardless of planning; see is plug-in solar legal in the UK.
England: what changed on 27 August 2026
The Town and Country Planning (General Permitted Development) (England) (Amendment) Order 2026 was made on 29 July 2026 and came into force with the electrical rules on 27 August 2026. Its explanatory memorandum is candid that plug-in panels “may already be permitted” under the existing solar rights; the order adds flexibility for houses and new fire safety limits for everyone.
It defines plug-in solar as solar photovoltaics intended for connection to the home’s electricity installation through a standard plug and socket, and makes clear that “solar PV” includes it. It also defines a roof enclosure to include a balustrade, railing or parapet on a roof. No formal consultation was held, to speed implementation, and the government said no separate planning guidance was planned.
Panels on a house wall, balcony or roof (Class A)
For a house (a “dwellinghouse” in planning terms), these are the limits as of November 2026:
| Where the panels go | Permitted development limit |
|---|---|
| Wall, balcony or roof enclosure | Projects no more than 0.4 m from its plane |
| Same, where it abuts a highway | Projects no more than 0.2 m |
| Pitched roof | No more than 0.2 m beyond the roof slope, and not above the ridge (chimneys excluded) |
| Flat roof | No more than 0.6 m above the highest part of the roof (chimneys excluded) |
| Conservation area or World Heritage Site | Not on a wall, balcony or roof enclosure fronting a highway |
| Any wooden wall, balcony or enclosure, or timber cladding | Not permitted |
| Listed house, or a building within its curtilage | Not permitted |
| Scheduled monument | Not permitted |
The memorandum explains the numbers. The limit rose from 0.2 to 0.4 metres so that panels can be tilted towards the optimum angle; it stayed at 0.2 metres next to a highway to reduce the risk of panels blowing into the road. The timber exclusion is there to limit fire spread.
The existing Class A conditions still apply: equipment must, so far as practicable, be sited to minimise its effect on the external appearance of the building and the amenity of the area, and be removed as soon as reasonably practicable once it is no longer needed.
Panels on a stand in the garden (Class B)
Free-standing panels within the curtilage of a house, such as a frame on a lawn or patio, fall under Class B. The order relaxed it for houses:
| Rule for stand-alone solar at a house | Before 27 August 2026 | Since 27 August 2026 |
|---|---|---|
| Number of stand-alone installations | One | No limit |
| Within 5 m of the boundary | Not permitted | Permitted (except in a World Heritage Site), up to 2 m high |
| Within 5 m of the boundary and in front of the house | Not permitted | Permitted, up to 1 m high |
| Maximum height elsewhere | 4 m | 4 m |
| Conservation area, nearer a highway than the house | 2 m | 2 m |
| Total panel area | 9 m² | 9 m² |
| Longest dimension | 3 m | No limit |
Two further rules apply. Plug-in solar may not be fixed to a wooden fence, gate, wall or other enclosure. And where a stand within 5 metres of the boundary sits on protected “article 2(3)” land, which includes conservation areas, you must first apply to the council to decide whether its prior approval is needed for the appearance. A typical one- or two-panel kit covers about 2 to 4 square metres, well inside the 9 square metre limit.
Flats and blocks of flats
The order changed little for blocks of flats beyond adding the listed-building and timber exclusions, and the general solar limits for a block remain in place. Most flat-dwellers also need the freeholder’s consent, which is a bigger hurdle than planning. Our guide to plug-in solar in a flat covers leases, fire rules and planning for blocks.
Listed buildings and conservation areas
Listed buildings. Plug-in solar on a listed building, or on a building within its curtilage, is outside permitted development in England and outside Scotland’s Class 6HA. Separately, listed building consent is required for works that affect the character of a listed building as a building of special interest: in England and Wales under section 7 of the Planning (Listed Buildings and Conservation Areas) Act 1990, and in Scotland under its own equivalent legislation. Carrying out such works without consent is a criminal offence. A free-standing panel in the garden of a listed house may also need permission, because the curtilage is protected. Talk to the council’s conservation officer before buying.
Conservation areas. Permitted development still applies, but panels on a wall, balcony or roof enclosure that fronts a highway are excluded in England, and ground stands nearer the highway than the house are limited to 2 metres. Scotland and Wales exclude the principal elevation and walls fronting a road.
Article 4 directions. A council can withdraw permitted development rights in a defined area with an Article 4 direction. If you live in a conservation area or a planned estate, check the council’s website or ask the planning department whether one applies to solar equipment.
Scotland: Class 6HA
Scotland widened its permitted development rights for solar on homes from 24 May 2024. Class 6HA allows solar PV on a dwelling as long as it does not protrude more than 1 metre from an external wall, roof plane, ridge or chimney. It does not apply to listed buildings, buildings in their curtilage or World Heritage Sites, and in a conservation area it excludes the principal elevation and any side elevation fronting a road. Equipment no longer needed must be removed as soon as reasonably practicable.
The class says nothing specific about balconies or railings. As of 3 November 2026 we found no Scottish Government statement applying it to plug-in kits, and Burges Salmon noted in September 2026 that Scotland had not introduced equivalent changes. A wall-mounted kit on a house is very likely within Class 6HA; for a railing or a tenement, ask the council before you rely on it.
Wales: Part 40, Class A
Wales permits solar PV on a dwellinghouse, or a building within its curtilage, under Part 40 of its own permitted development order as amended in 2012. The Welsh order defines dwellinghouse to include a building consisting wholly of flats. Panels on a wall or pitched roof may not protrude more than 20 centimetres beyond its plane, nor rise above the highest part of the roof. In a conservation area or World Heritage Site they may not go on a wall forming the principal or side elevation that fronts a highway. Panels must, so far as practicable, be sited to minimise their effect on appearance and amenity, and be removed when no longer needed.
Twenty centimetres is tight for a tilted panel; a vertical panel on wall brackets usually fits, a tilted one often will not. The Welsh rules do not mention balconies. We found no plug-in-specific change in Wales as of 3 November 2026.
How to check before you install
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Confirm your nation and building type. House or flat, listed or not, and whether you are in a conservation area, a National Park or a World Heritage Site. Councils publish conservation area maps, and the national heritage list for your nation shows listed buildings.
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Measure the projection. Hold the panel at the angle you want and measure from the wall or balcony front to the furthest point; our guide to mounting a panel on a balcony railing covers bracket types. Compare it with the limit: 0.4 or 0.2 metres in England for a house, 1 metre in Scotland, 20 centimetres in Wales.
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Check the surface. Anything wooden rules out permitted development in England, and the government’s product specification separately bans timber balconies and timber or composite cladding everywhere.
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Check for an Article 4 direction. Look on the council’s planning pages or ask the duty planner.
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If in doubt, ask in writing. Councils in England and Wales issue a Lawful Development Certificate and Scottish councils a Certificate of Lawfulness, confirming that a proposal needs no planning application. There is a fee, but it gives you a record.
Planning is only one of four permissions
The government’s announcement of 26 August 2026 lists the permissions to check before you buy: landlord permission, building owner or freeholder permission, planning permission and listed building consent. Planning is often the easiest. If you rent, see plug-in solar for renters. The product rules add their own restrictions, such as no timber balconies and no buildings undergoing cladding remediation, which apply whatever the planning position.
Next steps
Frequently asked questions
Do I need planning permission for plug-in solar?
In England, usually not. Since 27 August 2026, plug-in solar on a house or its garden is permitted development within limits on projection and height, unless the house is listed, the panels go on timber, or the site is in a protected area with extra limits. Scotland and Wales have their own rules and no plug-in-specific change.
Do I need planning permission for a solar panel on my balcony?
On a house in England, a balcony-mounted panel is permitted development if it projects no more than 0.4 metres from the balcony, or 0.2 metres if the balcony abuts a highway, and the balcony is not wooden. Flats have separate limits, and the freeholder's consent is a separate question.
Can I put plug-in solar on a listed building?
Not under permitted development. Plug-in solar on a listed building, or on a building within its curtilage, needs planning permission and may need listed building consent, which applies across Great Britain. Works affecting a listed building's character without consent are a criminal offence, so ask the council first.
Do I need planning permission for plug-in solar in a conservation area?
Often not, but with tighter limits. In England, panels may not go on a wall, balcony or roof enclosure that fronts a highway, ground-mounted panels nearer the highway than the house are limited to 2 metres, and some ground installations near the boundary need prior approval. Check for an Article 4 direction too.
Do I need planning permission for a plug-in solar panel in my garden?
In England, a ground stand at a house is permitted development if the panels total no more than 9 square metres and keep within height limits: 4 metres in general, 2 metres within 5 metres of the boundary and 1 metre within 5 metres of the boundary in front of the house. Panels must not be fixed to a wooden fence, gate or wall.
Is plug-in solar permitted development in Scotland and Wales?
Neither has made a plug-in-specific change. Their existing permitted development rights for domestic solar cover panels on dwellings, with a 1 metre projection limit in Scotland and 20 centimetres in Wales, but say nothing about balcony railings. Ask your council if your installation is unusual.
Can the council make me remove plug-in solar?
Yes, if it is not permitted development and has no planning permission, the council can take enforcement action. Permitted development rights also carry a condition that equipment no longer needed for generation is removed as soon as reasonably practicable.
Sources
- Town and Country Planning (General Permitted Development) (England) (Amendment) Order 2026 (SI 2026/896)
- Explanatory Memorandum to SI 2026/896
- Town and Country Planning (General Permitted Development) (Scotland) Amendment Order 2024 (SSI 2024/102)
- Town and Country Planning (General Permitted Development) (Amendment) (Wales) Order 2012 (WSI 2012/1346)
- Planning (Listed Buildings and Conservation Areas) Act 1990, section 7
- Households can save as plug-in solar panels come to market (26 August 2026)
- Plug-in Solar Device Interim Product Specification, version 2.0, July 2026
- Plug-in solar arrives in the UK: what landlords and property owners need to know (4 September 2026)
This guide is general information, not legal, tax or electrical advice. Your utility, state and local code have the final say.