UK Plug-In Solar Regulations
The complete, plain-English guide to UK plug-in solar regulations — updated every time the rules change.
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Is Plug-In Solar Legal in the UK? (2026)
Complete guide to plug-in solar legality in the UK. Covers regulations, permitted development rights, DNO notification, and safety standards.
Read the full legal guide →Key regulatory dates
How UK plug-in solar regulation has rolled out — and what's still pending.
- 24 Mar 2026Confirmed
Plug-in solar legalised. Government formally permits domestic plug-in PV.
- 15 Apr 2026Confirmed
BS 7671 Amendment 4 takes effect, defining safe install rules.
- Jul 2026 (est.)Expected
BSI product standard published — certifies DIY plug-and-play kits.
This unlocks plug-and-play.
- Summer 2026Expected
Certified kits land in UK shops. First BSI-stamped products available.