VAT on Solar Panels UK: 0% Rate Explained

You qualify for 0% VAT if: - The solar panels are installed on a residential property (house, flat, bungalow) - The property is your home or a residential rental property - The installation is carried out by a VAT-registered installer

You do NOT qualify for 0% VAT if: - The installation is on a commercial property (office, shop, warehouse) - You buy panels separately and install yourself (the 0% rate applies to the supply AND installation as a service) - The installer is not VAT-registered (they cannot charge VAT, but you miss the benefit of the zero rate)

Important detail: The 0% VAT applies to the entire installation package — panels, inverter, battery, mounting, wiring, scaffolding, and labour. Every component is zero-rated when supplied and installed together.

Source: HMRC VAT Notice 708/6; Finance Act 2022 Schedule 9A.

Savings comparison by system size:

| System | Price (0% VAT) | Price (20% VAT) | VAT Saving | |--------|---------------|----------------|------------| | 3kW | £5,000 | £6,000 | £1,000 | | 4kW | £6,750 | £8,100 | £1,350 | | 5kW | £8,000 | £9,600 | £1,600 | | 4kW + battery | £11,000 | £13,200 | £2,200 |

The VAT saving alone shortens payback by approximately 1–2 years. For a 4kW system, 0% VAT turns a 13-year payback into an 11-year payback.

Before the 0% rate: - Pre-April 2022: VAT was 5% on residential solar (reduced from 20% in 2019) - Pre-2019: VAT was 20% — solar was treated the same as any building work - The reduction to 0% was part of the government's net zero strategy

Source: HMRC; Finance Act 2022.

Current status (March 2026): The 0% VAT rate on residential solar and energy-saving materials is confirmed until at least 31 March 2027.

What happens after March 2027? - The government has not confirmed an extension beyond this date - The rate could: remain at 0%, revert to 5%, or change to another rate - Political pressure to maintain 0% is strong (net zero commitments, cost of living) - Industry bodies (Solar Energy UK, MCS) are lobbying for permanent 0% VAT

Should you wait? No. If the rate reverts to 5% or 20%, your installation cost increases by £250–£1,600. The savings you miss by waiting (£50–£90/month in lost generation) outweigh any risk of a small future price reduction.

Install now while 0% VAT is guaranteed. Even if VAT goes up later, your installation is locked in at 0%.

Source: Finance Act 2022; Solar Energy UK lobbying position.

The 0% VAT rate applies to a broader range of energy-saving materials when installed in a residential property:

• Solar panels (PV)
• Solar thermal panels
• Solar batteries / energy storage
• Heat pumps (air source and ground source)
• Insulation (loft, cavity wall, floor)
• Draught stripping
• Heating controls (smart thermostats, programmable timers)
• Wind turbines (domestic)
• Water turbines (domestic)
• Biomass boilers
• Micro-CHP (combined heat and power)
• Electric vehicle charge points

If you are installing solar alongside a battery, heat pump, or EV charger, the entire package benefits from 0% VAT.

Source: HMRC VAT Notice 708/6.