With the 0% VAT relief on solar installations scheduled to end on 31st March, waiting to upgrade your property could cost you hundreds of pounds extra in added tax.
Don't wait to secure your installation date and lock in maximum savings before the tax rules change.
If you have been thinking about installing solar panels or battery storage, you might have heard discussions about potential changes to VAT. Understanding how tax incentives work—and when they end—is crucial to getting the best possible return on your investment.
In April 2022, the UK Government introduced a temporary tax incentive: a 0% VAT rate on the supply and installation of energy-saving materials (ESMs), including residential solar PV systems and battery storage.
This zero-rate incentive was designed as a time-limited 5-year window. Under current legislation, this 0% VAT rate is scheduled to end on 31 March.
Unless the government explicitly extends the legislation in an upcoming budget, VAT on residential solar installations is set to revert to 5% (or potentially up to the standard 20% rate depending on future policy decisions).
A VAT change directly impacts the total upfront price of a new renewable energy system.
On a typical domestic solar PV and battery setup, even a jump from 0% back to 5% adds hundreds of pounds to the total installation cost—while a shift toward standard-rate VAT would add thousands.
| System Type | Estimated Cost (0% VAT) | Estimated Cost (if 5% VAT returns) | Estimated Cost (if 20% VAT returns) |
|---|---|---|---|
| Small Domestic Array (approx. 4kW) | £6,000 | £6,300 | £7,200 |
| Standard Domestic System + Battery (approx. 6kW) | £9,500 | £9,975 | £11,400 |
| Large Residential System + High-Cap Battery | £14,000 | £14,700 | £16,800 |
(Note: Figures are indicative averages for residential installations including parts and labour.)
A common misconception is that paying a deposit or signing a contract locks in the tax rate.
Under HMRC guidelines, VAT is determined by the date the work is completed and invoiced, not when you sign the quote.
If VAT changes on 1 April, any system installed after midnight on 31 March will automatically be subject to the higher tax rate—regardless of when the enquiry was made.
When tax changes or government incentive deadlines approach, demand for solar installations rises sharply across the UK. This seasonal rush creates three main bottlenecks for property owners:
Installation Schedules: Local installers quickly fill their calendars months ahead of major policy deadlines.
Grid Connection Approvals: DNO (Distribution Network Operator) approvals for larger solar and battery setups can take several weeks to process before work can begin.
Component Supply: High demand nationwide can cause lead-time delays on popular inverters, solar panels, and battery models.
Waiting until the start of the new year to inquire risks missing out on available installation slots before the deadline.
At In2gr8ted Solutions, we recommend starting your project early to guarantee your installation is fully operational well ahead of any potential VAT changes.
Beat the end-of-tax-year rush and lock in your installation date today.
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