Solar Panels and Stamp Duty

Do solar panels affect stamp duty?

There is no specific stamp duty exemption for solar panels in the UK. If solar panels increase the property price by £5,000-£10,000, you pay stamp duty on the higher price. However: the stamp duty impact is minimal. Example: property at £300,000 vs £305,000 (with solar premium): extra stamp duty = £250 (5% of £5,000). But the solar saves £580-£1,100/yr — recovering that £250 in 3-5 months. For properties under the stamp duty threshold (£250,000 for most buyers): zero impact. Net result: solar panels are always worth more than any marginal stamp duty increase. The energy savings vastly outweigh the tax.