Solar Panels 0% VAT UK: How It Works and Who Qualifies

Do Solar Panels Qualify for 0% VAT in the UK?

Yes. Solar panels installed on a residential property in the UK qualify for 0% VAT since 1 April 2022, under the Finance Act 2022. This means you pay no VAT on either the solar panels themselves or the cost of their installation — provided both are contracted together as a single supply. On a typical 4kW system costing around £7,020, this saves approximately £1,404 compared to what 20% VAT would add. The saving is applied immediately at the point of purchase — there is no application or rebate process required.

This 0% rate is the single largest financial benefit available for solar panel installations in 2026, as there is currently no direct government capital grant for solar PV (unlike heat pumps, which qualify for the £7,500 BUS Grant). Understanding exactly what is and is not covered ensures you receive the full tax benefit on your installation.

What Is Covered by the 0% VAT Rate?

HMRC’s Notice 708/6 sets out which energy-saving materials (ESMs) qualify for the zero rate. For a solar PV installation, the following items are covered at 0% VAT when supplied and installed together under a single contract:

• Solar PV panels (monocrystalline, polycrystalline, or thin-film)
• Inverter (string inverter, microinverters, or hybrid inverter)
• Battery storage system — if installed at the same time as the panels, or as a combined supply
• Mounting and racking system (roof rails, brackets, fixings)
• DC and AC cabling forming part of the solar installation
• Generation meter and export meter
• System monitoring equipment (e.g. Solis, SolarEdge, Enphase monitoring devices)
• Installation labour — the full labour cost on a qualifying combined supply is zero-rated

The key principle established by HMRC is that the supply of the energy-saving material and its installation must be a single composite supply. When a solar installer provides panels, inverter, mounting, cabling, and fitting as a single package contract, the entire contract is zero-rated for VAT.

What Is Not Covered?

Some items connected to a solar installation do not automatically qualify for the zero rate:

Scaffolding charged as a separate contract by a third-party scaffolding company. If your installer arranges scaffolding as part of their overall contract, it may be treated as part of the zero-rated supply — but a separately invoiced scaffolding hire will attract standard VAT rates.

Standalone battery retrofit — if you already have solar panels and are adding a battery storage unit months or years later, HMRC’s position on whether this qualifies for 0% VAT is less clear-cut. At the time of writing, many installers are applying 0% VAT to battery retrofits on the basis that batteries are listed ESMs, but this remains an area where HMRC guidance continues to evolve.

Electrical consumer unit (fuse box) upgrades if invoiced separately from the solar installation — these would attract standard VAT.

Repairs and servicing of existing solar panels — standard 20% VAT applies.

How Much Does 0% VAT Save on Solar Panels?

The saving depends on the size and cost of your system. The table below illustrates the VAT impact across the most common system sizes for UK homes.

For a 4kW system — the most popular size for a 3–4 bedroom home in the London/Surrey area — the saving is approximately £1,404. If you add a 5kWh battery storage system at around £2,500 to the same contract, the total saving increases to approximately £1,900.

According to the Energy Saving Trust (2026), the average solar panel installation in the UK is a 4kW system, generating around 3,400 kWh per year for a south-facing roof in London. At the Ofgem April 2026 electricity price of 24.5p/kWh, that generation is worth approximately £833/year in avoided electricity costs and export earnings — so the VAT saving alone represents nearly two years’ worth of free electricity.

Adding Battery Storage: Stack the VAT Saving

If you are considering adding a battery storage system to your solar installation, combining it in the same contract as the panels maximises your VAT benefit. A 5–10kWh home battery (such as a GivEnergy or Tesla Powerwall 3) added to a 4kW solar installation could save an additional £400–£600 in VAT compared to installing it separately under a different contract.

Battery storage improves your self-consumption rate — the percentage of your solar generation that you actually use in your home rather than exporting. A 4kW system without battery storage typically achieves around 35–40% self-consumption. Adding a 10kWh battery can increase this to 55–65%, significantly boosting your bill savings.

For a full analysis of whether battery storage makes financial sense for your property, read our dedicated guide to solar battery storage and whether it is worth it in 2026.

Who Qualifies for the 0% VAT Rate?

The 0% VAT rate on solar panels applies to all residential UK homeowners — there is no means-test, income threshold, or property requirement. Renters may also benefit if their landlord is installing solar panels (and the landlord will pass savings to the tenant through reduced bills, for example through a license to occupy with all-inclusive energy).

Key eligibility requirements:

1. The installation must be in a dwelling — a property used as a private home
2. The supply must be by a VAT-registered installer
3. The solar panels (and related equipment) must be supplied together with installation under a single contract
4. The installation must be on a residential property in Great Britain (England, Scotland, Wales) — note that Northern Ireland has different VAT rules

Commercial properties (offices, shops, industrial units) do not qualify for the residential zero rate. Solar panels on a commercial roof attract 20% VAT — though VAT-registered businesses can usually reclaim input VAT.

How to Verify the VAT Rate on Your Solar Quote and Invoice

When you receive a quote or invoice for solar panel installation, verify the following:

1. VAT rate clearly stated: The quote should show 0% VAT or “Zero-rated — Energy Saving Materials (Finance Act 2022, s. 30 and Sch 7A)”
2. Single combined contract: Supply and installation should not be split into separate invoices with different VAT rates applied
3. Installer is VAT-registered: Check their VAT registration number at gov.uk/check-vat-number
4. All main components listed: Panels, inverter, mounting, cabling, and labour should all appear on one invoice

If a quote shows 20% VAT on a new residential solar installation, ask the installer for their legal justification. Since April 2022, there is no basis for charging 20% VAT on a qualifying residential solar PV supply and installation.

Will the 0% VAT Rate Remain After 2027?

The Finance Act 2022 introduced the zero rate as a five-year measure, initially set to expire on 31 March 2027. Subsequent government statements have indicated support for extending the measure beyond 2027, and the current (2026) political environment strongly favours continued support for domestic renewable energy installations. However, no permanent legislation has yet been passed. If you are planning a solar installation and wish to lock in the 0% rate, installation before March 2027 is the safest approach.

Local Context: Solar VAT in London and Surrey

Homeowners in the TW postcode area — Hampton, Twickenham, Richmond, Kingston, and Sunbury-on-Thames — qualify for the 0% VAT rate on solar installations under exactly the same rules as the rest of England. There are no regional variations.

London and Surrey properties do, however, tend to see higher installation labour costs than the national average, due to higher wages and more complex roof access requirements in densely built areas. The 0% VAT rate applies to all these costs, making it proportionally more valuable in higher-cost markets.

For a comprehensive overview of solar panel costs and savings in the UK, read our complete guide to solar panels for UK homeowners and our breakdown of solar panel costs in 2026.

How Electromatic Can Help

Electromatic M&E Ltd installs solar PV systems across London and the TW postcode area. All our quotations are provided as single combined supply and installation contracts, ensuring the 0% VAT rate applies to the full value of your installation. We work under MCS certification via our accredited umbrella partner, and we handle all the paperwork for grid connection and SEG registration.

If you are combining solar with a heat pump, we can install both in a single project — the heat pump element qualifies for 0% VAT and potentially the £7,500 BUS Grant (subject to eligibility), and the solar panels attract 0% VAT throughout.

Book your free home survey →

Call us: 07718 059 284 | Email: admin@electromatic.uk

Frequently Asked Questions

Are solar panels VAT-free in the UK?

Yes. Solar panels installed on a residential property in the UK qualify for 0% VAT since 1 April 2022. Both the panels and the installation cost are zero-rated when contracted together. This saves approximately £1,404 on a typical 4kW system compared to the 20% standard rate.

Does the 0% VAT apply to solar battery storage?

Yes — battery storage is listed as an energy-saving material under the Finance Act 2022 and qualifies for 0% VAT when supplied and installed on a qualifying residential property. The saving is most clearly applicable when the battery is installed at the same time as the solar panels under a combined contract.

Does scaffolding for solar installation attract VAT?

Scaffolding alone does not qualify as an energy-saving material. If a third-party scaffolding company invoices you separately for scaffold hire, this is likely to attract standard VAT. However, if scaffolding is provided by your installer as part of their overall installation contract, it may form part of the zero-rated composite supply. Confirm this with your installer before signing contracts.

I already have solar panels — can I add a battery at 0% VAT?

HMRC’s guidance on standalone battery retrofits is evolving. Many installers are applying 0% VAT to battery retrofits on the basis that batteries are listed ESMs, but this is not definitively confirmed by HMRC for all scenarios. Seek clarification from your installer and consider obtaining a letter from them stating their VAT position on the supply.

How long will the 0% VAT on solar panels last?

The Finance Act 2022 zero rate was introduced as a five-year measure running to March 2027. The government has indicated support for extending it, but no permanent legislation exists yet. The 0% rate is confirmed in force throughout 2026.

The information in this article is for general guidance only and does not constitute financial, legal, or technical advice. Energy savings estimates are based on typical UK household data from the Energy Saving Trust and Ofgem (April 2026 price cap). Actual savings depend on your property type, insulation levels, energy usage patterns, and electricity tariff. The Boiler Upgrade Scheme (BUS) grant of £7,500 is subject to eligibility criteria set by Ofgem — not all properties qualify. Electromatic M&E Ltd operates under MCS certification via an accredited umbrella partner. All installations comply with Building Regulations Part L and MCS standards. E&OE.

Last updated: April 2026 | Electromatic M&E Ltd, Company No. 13837345

Written by Electromatic M&E Ltd — ASHP & Solar installer, London & Surrey (electromatic.uk)