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Property guide · Hammersmith and Fulham

Modern flat extensions in Hammersmith and Fulham

Purpose-built or converted flats with restricted PD rights. Internal-only alterations dominate.

Quick facts

Property type
Modern flat
Borough
Hammersmith and Fulham
Planning authority
Hammersmith & Fulham Council
Article 4 in force
Yes
Conservation areas
45
Drawings from
£840

Modern flat stock in Hammersmith and Fulham responds best to extensions that respect the existing rhythm. For Victorian and Edwardian period property, side returns and rear infill are routine. For 1930s suburban, single-storey rear and loft conversions dominate. We design to the block, not the brochure.

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Which postcode districts around Hammersmith and Fulham do we cover for modern flat project work?

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

PostcodeAreaDominant stockWhat it means for a modern flat project
SW6Fulham / Parsons GreenVictorian terraces, mansion blocksFulham / Parsons Green sits wholly inside SW6, so Hammersmith & Fulham Council validates every modern flat project submitted from an SW6 address.
W6Hammersmith / Brackenbury VillageVictorian terraces, mansion blocksA modern flat project at an W6 address in Hammersmith / Brackenbury Village is determined by Hammersmith & Fulham Council under its own Local Plan policies for Hammersmith / Brackenbury Village.
W12Shepherd's Bush / White CityVictorian and Edwardian terracesShepherd's Bush / White City sits wholly inside W12, so Hammersmith & Fulham Council validates every modern flat project submitted from an W12 address.
W14West Kensington / Barons CourtVictorian and Edwardian villasA modern flat project in West Kensington / Barons Court may land with Hammersmith & Fulham Council or RBKC Planning — W14 crosses the boundary, and the W14 policies map decides it street by street.
SW10West Brompton / World's EndGeorgian and Victorian terraces, listed buildingsSW10 straddles a boundary: West Brompton / World's End addresses fall to RBKC Planning or Hammersmith & Fulham Council, so confirm which authority validates the modern flat project before submitting SW10 drawings.

What changes about a modern flat project in each part of Hammersmith and Fulham?

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

Does Hammersmith and Fulham planning policy restrict a modern flat project?

How designation changes a Hammersmith and Fulham modern flat project: Hammersmith & Fulham Council maintains 45 conservation areas, including Fulham Palace Road, Parsons Green, Walham Green. Inside any of them a Hammersmith and Fulham modern flat project cannot rely on permitted development, and the route becomes a £258 householder application determined in 8 weeks rather than a £120 prior approval in 6 weeks. Hammersmith Grove sets the tone for Hammersmith and Fulham casework.

What Article 4 removes near Hammersmith and Fulham: Article 4 removes PD for HMO conversions; restrictions on ground-floor shop-to-residential in certain streets. Before pricing a modern flat project we check whether the SW6 address is inside the mapped area, because Hammersmith & Fulham Council draws the Hammersmith and Fulham boundary street by street rather than across the whole of Hammersmith and Fulham.

Hammersmith and Fulham housing stock: 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. Read that before choosing a modern flat project route in Hammersmith and Fulham — construction, not postcode, sets what is achievable. Modern flat projects in Hammersmith and Fulham start at £840 on a fixed fee, or £1,750 for the Complete package covering both Hammersmith & Fulham Council submissions.

Who decides a modern flat project on the edge of Hammersmith and Fulham?

Sources for this Hammersmith and Fulham modern flat project 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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