UK Plug-In Solar Regulations
The complete, plain-English guide to UK plug-in solar regulations — updated every time the rules change.
Start here
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 published, defining safe install rules. Transition period begins.
- 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.
- 15 Oct 2026Confirmed
BS 7671 Amendment 4 transition period ends — mandatory compliance for all new electrical installation work.
Regulation guides
01
BS 7671 Amendment 4: What It Means for Plug-In Solar
Plain-English guide to BS 7671 Amendment 4 - the 2026 wiring regulations update that makes plug-in solar possible in the UK.
Read guide →02
How to Notify Your DNO About Plug-In Solar (G98 Guide)
Step-by-step guide to G98 notification — who to notify, what you need, and which DNO covers your area.
Read guide →03
The UK Plug-In Solar Consultation: What It Says and How to Respond Before 30 June
DESNZ's plug-in solar consultation closes 30 June 2026. We decode every section, explain what it means for buyers, and give you template responses to submit in 5 minutes.
Read guide →04
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 guide →