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Side return extension · Hammersmith and Fulham

Side return extension in Hammersmith and Fulham

Specialist side return extension drawings. MCIAT chartered. Hammersmith & Fulham Council-experienced.

Quick facts

Service
Side return extension
Parent service
House Extensions
Planning authority
Hammersmith & Fulham Council
Article 4
Yes

Completed house extension project in London — house extensions in Hammersmith & Fulham
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Side return extension in Hammersmith and Fulham — rear extension plans laid out on site
Rear extension plans laid out on site — side return extension in Hammersmith and Fulham.

Which postcode districts around Hammersmith and Fulham do we cover for side return work?

Every Hammersmith and Fulham postcode district we draw in, the stock that dominates it and the authority that validates a side return there. Hammersmith and Fulham fees below are the statutory England rates for 2026, not side return estimates.

PostcodeAreaDominant stockWhat it means for a side return
SW6Fulham / Parsons GreenVictorian terraces, mansion blocksFulham / Parsons Green sits wholly inside SW6, so Hammersmith & Fulham Council validates every side return submitted from an SW6 address.
W6Hammersmith / Brackenbury VillageVictorian terraces, mansion blocksW6 covers Hammersmith / Brackenbury Village only; Hammersmith & Fulham Council handles the side return.
W12Shepherd's Bush / White CityVictorian and Edwardian terracesShepherd's Bush / White City sits wholly inside W12, so Hammersmith & Fulham Council validates every side return submitted from an W12 address.
W14West Kensington / Barons CourtVictorian and Edwardian villasWest Kensington / Barons Court is split at W14. Either Hammersmith & Fulham Council or RBKC Planning can determine a side return here, so the W14 address is checked against both policies maps first.
SW10West Brompton / World's EndGeorgian and Victorian terraces, listed buildingsWest Brompton / World's End is split at SW10. Either RBKC Planning or Hammersmith & Fulham Council can determine a side return here, so the SW10 address is checked against both policies maps first.

How does a side return differ street by street across Hammersmith and Fulham?

Roof pitch, wall build-up and plot depth change every few Hammersmith and Fulham streets, and each one changes what a side return can achieve at that address.

Does Hammersmith and Fulham planning policy restrict a side return?

Conservation areas covering Hammersmith and Fulham: Hammersmith & Fulham Council runs 45, and Walham Green, Hammersmith Grove, Brackenbury Village are the ones Hammersmith and Fulham owners meet most. A side return inside a Hammersmith and Fulham conservation area loses permitted development, so the Hammersmith and Fulham submission is a householder application at £548 decided in 8 weeks — not a £249 prior approval decided in 6 weeks. In Fulham Palace Road a side return is judged on the street elevation first.

Hammersmith and Fulham and Article 4: Article 4 removes PD for HMO conversions; restrictions on ground-floor shop-to-residential in certain streets. A side return planned at a SW6 address is checked against that direction first; Hammersmith & Fulham Council publishes the Hammersmith and Fulham extent, and the SW6 line rarely follows the Hammersmith and Fulham boundary you would expect.

What Hammersmith and Fulham is built from: Victorian and Edwardian terraces — particularly two-storey bay-fronted terraces south of the river in Fulham and Parsons Green; mansion blocks along main roads. Suburban-feel residential streets with strong conservation area coverage; well-established mansard precedents on many terraces. That mix decides the side return route in Hammersmith and Fulham more than the postcode does.

Which neighbouring authorities border Hammersmith and Fulham?

Sources for this Hammersmith and Fulham side return page: borough policies maps and conservation-area registers (2025–26), Royal Mail postcode district boundaries, the Town and Country Planning (Fees for Applications) (England) Regulations, the Town and Country Planning (General Permitted Development) (England) Order 2015 as amended, and the Party Wall etc. Act 1996.

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Side return extension in Hammersmith and Fulham — an L-shaped rear extension to a London terrace
An l-shaped rear extension to a london terrace — side return extension in Hammersmith and Fulham.

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