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3.  Solar Grants UK 2026: ECO4, 0% VAT, Smart Export Guarantee 

# Solar Grants UK 2026: ECO4, 0% VAT, Smart Export Guarantee

The grants and incentives actually available to UK homeowners in 2026, with no marketing fluff.

MCS Certified Installers RECC Consumer Code 0% VAT on Solar Up to 25-Year Warranty Finance From 0% APR Rated 4.9 / 5 on Reviews 

Jump to a section in this guide 

## 0% VAT (everyone)

Since April 2022, residential solar, batteries and heat pumps in the UK attract 0% VAT (extended to March 2027). This is automatic — no application needed. It saves around 5% on a typical install.

## Smart Export Guarantee (everyone)

All UK households with grid-tied solar can sign up for the SEG and be paid for every kWh exported. Octopus Outgoing typically leads on rate; expect 5-15p/kWh depending on tariff.

## ECO4 (means-tested)

If you receive qualifying benefits (Universal Credit, Pension Credit, ESA, etc.) and your home has an EPC rating of D or worse, ECO4 grants can fund a substantial portion (sometimes 100%) of a solar install. We can check your eligibility in 5 minutes.

## Home Upgrade Grant (HUG2)

HUG2 supports low-income households not on the gas grid. In the South East this primarily covers rural Kent, Sussex Weald, Hampshire Downs and parts of Oxfordshire and the Isle of Wight. Where eligible, the grant can stack with ECO4 to fund insulation plus solar plus a heat pump in a single project. Administered by your local authority — we'll point you to the right application portal.

## Great British Insulation Scheme (GBIS)

Not a solar grant, but worth mentioning because it complements solar perfectly: GBIS funds loft and cavity wall insulation for eligible homes in council tax bands A-D. A well-insulated home needs less electricity for heating water and supplementary warmth, which means your solar self-consumption rate rises and the battery payback shortens.

## Local authority schemes

A handful of South East councils run their own zero-interest loan schemes for renewable installs — variously named Green Homes, Solar Together (a group-buying scheme run with iChoosr in Surrey, Hampshire, West Sussex and others), and county-level energy partnerships. The discount versus market price is typically 5-12%, with the trade-off that you have less choice over installer brand and timing.

## What ISN'T a grant

Anything described as a 'government rebate', 'green homes grant' (that scheme closed in 2021), 'free solar panels in exchange for roof rental' (the old Feed-in Tariff rent-a-roof model — economically poor for homeowners), or 'manufacturer-backed cashback' is marketing, not government policy. Real grants are listed on gov.uk and administered through Ofgem-accredited installers; if you can't find the scheme on a .gov.uk URL, treat the claim with scepticism.

## How to check eligibility

ECO4 and HUG2 both require a desktop check against benefit status, EPC rating and council tax band. We can run that check in about five minutes with a phone call. Smart Export Guarantee is simpler: any MCS-certified install up to 5 MW capacity qualifies; you choose a supplier (often Octopus, EDF, E.ON Next or British Gas), submit your MCS and DNO paperwork, and start being paid within 4-6 weeks of commissioning.

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## Services covered in this guide

[

Solar Finance

0% APR options on qualifying installs.





](/services/solar-finance)[

Solar Panel Installation

MCS-certified solar PV installs across the South East.





](/services/solar-panel-installation)[

Solar Battery Storage

Tesla, GivEnergy, Fox ESS and more — fully fitted, fully certified.





](/services/solar-battery-storage)[

Solar Panel Maintenance

Annual health checks that protect your investment.





](/services/solar-panel-maintenance)

Find a local installer

## Areas we cover in the South East

[

Solar installers in Kent

Maidstone · Canterbury · Ashford





](/solar-installers-kent)[

Solar installers in Surrey

Guildford · Woking · Cobham





](/solar-installers-surrey)[

Solar installers in Hampshire

Southampton · Portsmouth · Winchester





](/solar-installers-hampshire)[

Solar installers in West Sussex

Worthing · Crawley · Horsham





](/solar-installers-west-sussex)[

Solar installers in East Sussex

Brighton · Hove · Eastbourne





](/solar-installers-east-sussex)[

Solar installers in Berkshire

Reading · Bracknell · Slough





](/solar-installers-berkshire)

Explore the topic

## Keep exploring — calculators, services and local installers

Descriptive links across our calculators, guides, services and local installer areas — pick the next step that fits where you are.

Calculate

Run the numbers

-   [Solar savings & payback calculator Model annual bill savings and payback years ](/calculators)
-   [What size solar system do I need? Right-size your array to your usage ](/calculators)
-   [Battery storage ROI calculator See the extra savings a battery unlocks ](/calculators)
-   [EV home charging cost calculator Compare charging on solar vs the grid ](/calculators)

Services covered

Get this fitted

-   [Solar Finance 0% APR options on qualifying installs. ](/services/solar-finance)
-   [Solar Panel Installation MCS-certified solar PV installs across the South East. ](/services/solar-panel-installation)
-   [Solar Battery Storage Tesla, GivEnergy, Fox ESS and more — fully fitted, fully certified. ](/services/solar-battery-storage)
-   [Solar Panel Maintenance Annual health checks that protect your investment. ](/services/solar-panel-maintenance)

Keep reading

More UK solar guides

-   [Are Solar Panels Worth It in the UK in 2026? An honest, numbers-led look at solar economics, payback periods and RO ](/guides/are-solar-panels-worth-it-uk)
-   [Solar Panel Costs UK 2026: Real Prices, No Sales Spin What you should actually expect to pay for a residential solar system ](/guides/solar-panel-costs-uk)
-   [Solar Battery Costs UK 2026: Brands, Capacities, Payback What batteries cost in 2026, which brands lead, and how to size storag ](/guides/solar-battery-costs-uk)
-   [Solar Payback Period UK: 7-10 Years on Most Homes How to model solar payback honestly — and what drives it up or down. ](/guides/solar-payback-period-uk)

Find installers

Local installers we vet

-   [Solar installers in Kent Maidstone · Canterbury · Ashford ](/solar-installers-kent)
-   [Solar installers in Surrey Guildford · Woking · Cobham ](/solar-installers-surrey)
-   [Solar installers in Hampshire Southampton · Portsmouth · Winchester ](/solar-installers-hampshire)
-   [Solar installers in West Sussex Worthing · Crawley · Horsham ](/solar-installers-west-sussex)

### More guides

[

Are Solar Panels Worth It in the UK in 2026?

Read

](/guides/are-solar-panels-worth-it-uk)[

Solar Panel Costs UK 2026: Real Prices, No Sales Spin

Read

](/guides/solar-panel-costs-uk)[

Solar Battery Costs UK 2026: Brands, Capacities, Payback

Read

](/guides/solar-battery-costs-uk)

[All guides](/guides)

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Popular guides

-   [Are Solar Panels Worth It in the UK in 2026?](/guides/are-solar-panels-worth-it-uk)
-   [Solar Panel Costs UK 2026: Real Prices, No Sales Spin](/guides/solar-panel-costs-uk)
-   [Solar Battery Costs UK 2026: Brands, Capacities, Payback](/guides/solar-battery-costs-uk)
-   [Solar Payback Period UK: 7-10 Years on Most Homes](/guides/solar-payback-period-uk)
-   [Best Solar Batteries UK 2026: Honest Brand Comparison](/guides/best-solar-batteries-uk-2026)
-   [Solar Grants UK 2026: ECO4, 0% VAT, Smart Export Guarantee](/guides/solar-grants-uk-2026)
-   [All guides →](/guides)

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