What Article 4 restricts in Hammersmith and Fulham, how it affects extensions, lofts and HMOs, and how to plan around it.
Yes — Article 4 removes PD for HMO conversions; restrictions on ground-floor shop-to-residential in certain streets.
Article 4 removes specific Permitted Development rights — typically the right to convert a single dwelling (C3) to an HMO (C4), or office (B1) to residential (C3), without full planning permission. The right is removed only where the Direction applies.
Yes. Article 4 in most London boroughs targets HMO conversions and office-to-residential, not householder extensions. Standard rear extensions and loft conversions remain available under Permitted Development unless your property is in a conservation area or is listed.
Check the planning portal at Hammersmith & Fulham Council or call us — we look up the Article 4 status for your specific address before quoting.
If Article 4 applies and you build without planning, you face enforcement action: a retrospective application, a stop notice, or in serious cases an enforcement notice requiring reversal. Always check before starting.
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