Plug-in solar · Your home
Balcony solar in the UK: what you can and can’t do
You can put plug-in solar on some balconies, but not all. The kit, the building and whoever owns it all have to say yes. Here’s how to check yours.
By Mike · Updated 5 October 2026 · 8 min read
Can I put plug-in solar on my balcony?
Often, yes. But an approved kit isn’t enough on its own.
Balcony solar panels have been legal in England, Scotland and Wales since 27 August 2026, as long as the kit is an approved plug-in solar kit. The government says the panels can go on “some balconies”. Not all of them.
That’s the catch. A kit can be approved and still be wrong for your balcony. Its instructions have to allow a balcony at your height. The building has to be a suitable one. And whoever owns the building has to agree.
Northern Ireland isn’t covered by these rules yet.
It depends on
The kit’s instructions
What the balcony is made of
How high up you are
Who owns the building
House or flat
Which UK nation
The law
Is balcony solar legal in the UK?
Yes, in England, Scotland and Wales, if the kit is approved. The rules changed on 27 August 2026.
The kit has to be listed as compliant on the official register. How to check a kit is compliant
It’s solar only. Kits with a built-in battery aren’t covered.
It can feed no more than 800W into your home at once.
One kit per home. A flat with its own fuse box counts as its own home.
You register it online before, or when, you switch it on.
Northern Ireland: the new rules don’t apply there yet. Check with NIE Networks before you buy or plug anything in.
For the full picture, see Is plug-in solar legal in the UK?
The name
Is balcony solar the same as plug-in solar?
Yes. “Balcony solar” is plug-in solar that happens to be on a balcony. It’s the same kind of kit, and the same rules apply.
What changes on a balcony is everything around the kit: what it’s fixed to, how high up it is, and who owns the building. That’s what the rest of this page is about.
One warning. A listing that says “balcony solar” isn’t proof the kit is approved, or that it’s meant for a balcony. Check the exact model, not the name.
Your building
Is your building ruled out?
The official rules say a plug-in solar kit must not be fitted to certain surfaces and buildings, because of fire risk. It’s about what the panel is fixed to, not about balconies in general.
A timber balcony
Timber cladding: wooden boards covering the outside of the building
Certain cladding panels: aluminium or metal composite (ACM, MCM) and high-pressure laminate (HPL)
A building that’s having, or is due to have, cladding or building-safety repair work, or has fire-safety restrictions on its outside walls
Not sure what your balcony, or the wall behind it, is made of? Ask the building’s owner, freeholder or managing agent before you buy. The kit’s own instructions will tell you to do the same.
Two more things that are down to you
Don’t fix a panel to a wall, or any other part of the building, that divides your home from next door’s.
Keep the balcony door and any escape route clear, and don’t fit panels where they could help a fire spread to a neighbour.
England also has a separate planning rule about wooden balconies. That’s covered under planning permission below.
The kit
Does the kit allow balcony mounting?
Not every approved kit does. “Compliant” means the kit passed the official product checks. It doesn’t mean it suits a balcony, or your balcony.
Every approved kit has to come with instructions that tell you:
Where it can be mounted, for example on a balcony railing, a wall or the ground
The highest it can be fitted above the ground
What it mustn’t be fixed to
How much of a gap to leave behind the panel
There’s no single height limit in the rules. Each kit has its own, so check the figure for the exact kit against how high your balcony is. If the instructions don’t cover your set-up, that kit isn’t the one for your balcony.
Fixing it on
Use the mount made for the kit. Cable ties, rope, straps, tape or bungee cords on their own aren’t allowed.
It has to be removable, and it mustn’t damage the building or let water in.
Don’t alter the kit, or fit it in a way the instructions don’t cover.
Some kits are sold without a mount. If so, ask the seller which mount the maker’s instructions allow for a balcony before you buy.
Permissions
The checks that have to line up
Several different things have to be right, and they’re decided by different people. Passing one doesn’t pass the others.
The kit is approved. It’s listed as compliant on the official register.
Its instructions allow your set-up. A balcony, at your height, on your kind of railing.
The building isn’t ruled out. No timber balcony, none of the cladding types above, no fire-safety works.
The owner agrees. That’s your landlord, freeholder or managing agent. If you own your house outright, it’s you.
Planning permission. Whether you need to apply depends on where you live, and whether it’s a house or a flat.
Listed building consent. Only if the building is listed. It’s separate from planning permission.
Then you register it. Online, in a few minutes. How to register plug-in solar
So an approved kit still needs the owner’s yes. And the owner’s yes doesn’t settle planning.
If you rent, or own a flat
The plug-in solar rules don’t give you a right to put one up. The government says the decision is one for landlords, freeholders and councils, and has encouraged them to look at each request on its merits.
Planning
Do I need planning permission for a balcony panel?
It depends where you live, and whether your home is a house or a flat.
Where
The short version
England, a house
Usually no application, if the panel sticks out no more than 40cm from the balcony railing (20cm beside a road or pavement) and nothing it’s fixed to is wooden
England, a flat
The planning rules for flats don’t mention balcony railings, so ask your council before you fit one
Scotland
Scotland’s guidance doesn’t mention plug-in solar or balconies. The general rules for home solar panels apply, so ask your council
Wales
The same: general rules for home solar, with nothing on balconies. People in flats are told to ask their council
Northern Ireland
The plug-in solar rules don’t apply yet
Listed buildings and conservation areas have tighter rules everywhere. If the building is listed, don’t fix anything to it until the council has told you whether you need listed building consent.
The limits, the wooden rule and the detail for each nation are in Do I need planning permission for plug-in solar?
Plugging in
Getting it to a socket
This is the bit people forget. The kit’s own lead has to reach a suitable wall socket, and you can’t use an extension lead to get there.
No extension leads, cable reels or multi-way adaptors.
A socket out on the balcony has to be a proper weatherproof outdoor one, rated IP55 or better.
With some kits, the small box that turns the panel’s power into mains electricity (the inverter) can sit indoors, with the panel’s cable brought inside. Only do that the way the instructions show.
If the lead won’t reach a suitable socket, adding one is a job for an electrician.
Electrical Safety First and the Institution of Engineering and Technology both recommend having your home’s electrics checked by an electrician before you buy. Do I need an electrician for plug-in solar?
Output
How much electricity will balcony solar panels make?
Less than the same panel tilted towards the sun. Hung upright on a south-facing railing, it makes about a quarter less electricity over a year.
800W of panels, facing south
Upright on a railing
Tilted at 35°
London
about 590 kWh
about 820 kWh
Manchester
about 520 kWh
about 710 kWh
Glasgow
about 510 kWh
about 680 kWh
Modelled electricity in a year, with no shade, rounded to the nearest 10. These are estimates from the European Commission’s PVGIS solar model, not WattVerdict measurements.
Facing east or west: an upright panel makes about half of what a tilted, south-facing one does.
In midwinter: an upright, south-facing panel makes slightly more than a tilted one, because the sun is low.
Shade matters most. These figures don’t allow for the balcony above, the railing itself or nearby buildings. Any of them can cut the total a lot.
Watch your balcony through a sunny day before you buy. And remember this is electricity made, not money saved: it only cuts your bill when your home is using power at the same time. How much electricity does 800W plug-in solar generate?
Buying
Choosing a balcony solar kit
We don’t rank “best balcony kits”. We can’t yet confirm, kit by kit, which ones their makers allow on a balcony or at what height, and we won’t guess.
Here’s how to narrow it down yourself:
Start with compliant kits and prices. Every kit on Best plug-in solar kits is listed as compliant and has a price we’ve checked.
Look at the mounting line. It shows what mount comes with each kit, if any.
Then read the maker’s instructions for that exact kit. Do they allow your kind of balcony, at your height?
A kit with “balcony” in its name, or balcony brackets in the box, still needs that last check.
Already have a model in mind? Look it up on Compare to see whether it’s listed as compliant.
Before you buy
Your checklist
01
Look at your balcony
What is it made of, and the wall behind it? Which way does it face, and what shades it?
02
Ask the owner
If you rent or own a leasehold flat, ask your landlord, freeholder or managing agent.
03
Ask the council
Check whether you need planning permission, and whether the building is listed or in a conservation area.
04
Find your socket
Can the kit’s own lead reach a suitable socket, with no extension lead?
05
Pick an approved kit
Check the exact model is listed as compliant on the official register.
06
Read its instructions before you pay
Look for balcony mounting, the maximum height and what it mustn’t be fixed to.
07
Register it
Do it online before, or when, you switch it on.
Good to know
Common questions
I rent. Can my landlord say no?
Yes. The plug-in solar rules don’t give you a right to install one. The government says the decision is a matter for landlords, freeholders and councils, and has encouraged them to consider each request on its merits.
I own my flat. Do I still need permission?
You may well do. The official rules say it’s up to you to get any permission needed from the freeholder or managing agent. Check your lease, then ask before you fix anything to the building.
Is there a height or floor limit?
Not a single one. Each kit’s instructions give its own maximum height. See Does the kit allow balcony mounting?
Can every flat in a block have one?
The limit is one kit per home, and each flat with its own fuse box counts as its own home. Every flat still needs the building owner’s permission, and the same checks on the building apply.
Can I just stand the panel on the balcony floor?
Only if the kit’s instructions cover that way of mounting it. It still has to be held by the maker’s mount, and the same checks on the building, the owner’s permission and the socket apply.
Will it affect my insurance?
It might. The official rules say you’re responsible for checking, before you fit it, whether it affects your home insurance and any insurance covering the building. In a flat, that means asking whoever insures the block as well.
Has WattVerdict tested kits on a balcony?
No. The electricity figures on this page are modelled estimates, not results from our own testing.
Sources
Where this information comes from
Plug-in Solar Device Interim Product Specification, version 2.0
Department for Energy Security and Net Zero, July 2026. Where kits mustn’t be fitted, what makers must say about mounting and height, sockets, permissions and insurance.
legislation.gov.uk, in force 27 August 2026. The regulations that made approved plug-in solar legal in England, Scotland and Wales.
Households can save as plug-in solar panels come to market
GOV.UK, 26 August 2026. The government’s statement on balconies and on permission from landlords, freeholders and councils.
The Town and Country Planning (General Permitted Development) (England) (Amendment) Order 2026
legislation.gov.uk, in force 27 August 2026. England’s planning rules for plug-in solar, including balcony railings on houses and the wooden rule.
General Permitted Development Order 2015, Schedule 2, Part 14
legislation.gov.uk. England’s full rules for home solar on houses and flats.
Planning Circular 1/2024: householder permitted development rights
gov.scot. Scotland’s rules for solar panels on homes.
Planning permission: solar panels
GOV.WALES. The Welsh Government’s guidance for homes.
Planning (Listed Buildings and Conservation Areas) Act 1990, section 7
legislation.gov.uk. The rule that work affecting a listed building’s character needs consent. Scotland and Wales have their own equivalent laws.
Energy Networks Association. The official registration portal, including the one-kit-per-home limit.
Electrical Safety First. Its advice on electrician checks and extension leads.
Plug-in solar PV rollout begins, but not all homes will be suitable, says the IET
Institution of Engineering and Technology, 27 August 2026. Its advice to have your home’s electrics assessed by an electrician first.
PVGIS — Photovoltaic Geographical Information System
European Commission Joint Research Centre. The solar model behind our figures (version 5.3).
Sources checked 5 October 2026.
Related questions
Your home
Do I need planning permission for plug-in solar? →
The limits, the wooden rule and each nation’s rules.
Ready to look at kits?
See compliant kits and current prices
Every kit is listed as compliant on the official register, with a price we’ve checked. Then read the maker’s instructions for balcony mounting before you buy.