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Property guide · Kensington and Chelsea

Victorian terrace extensions in Kensington and Chelsea

Bay-fronted two-storey terraces with side passage and rear garden. Most common London period stock.

Quick facts

Property type
Victorian terrace
Borough
Kensington and Chelsea
Planning authority
RBKC Planning
Article 4 in force
Yes
Conservation areas
38
Drawings from
£840

Victorian terrace stock in Kensington and Chelsea 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 Kensington and Chelsea postcodes does this Victorian terrace project service cover?

Every Kensington and Chelsea postcode district we draw in, the stock that dominates it and the authority that validates a Victorian terrace project there. Kensington and Chelsea fees below are the statutory England rates for 2026, not Victorian terrace project estimates.

PostcodeAreaDominant stockWhat it means for a Victorian terrace project
W10North Kensington / Ladbroke GroveVictorian terraces, post-war estatesNorth Kensington / Ladbroke Grove sits wholly inside W10, so RBKC Planning validates every Victorian terrace project submitted from an W10 address.
W11Notting Hill / Holland ParkVictorian stucco terracesA Victorian terrace project at an W11 address in Notting Hill / Holland Park is determined by RBKC Planning under its own Local Plan policies for Notting Hill / Holland Park.
SW1XKnightsbridge / BelgraviaRegency stucco terraces, listed buildingsKnightsbridge / Belgravia is split at SW1X. Either Westminster City Council or RBKC Planning can determine a Victorian terrace project here, so the SW1X address is checked against both policies maps first.
W14West Kensington / Barons CourtVictorian and Edwardian villasA Victorian terrace 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.
SW3Chelsea / BromptonGeorgian and Victorian terraces, listed buildingsSW3 covers Chelsea / Brompton only; RBKC Planning handles the Victorian terrace project, and Chelsea / Brompton case officers apply the SW3 conservation-area map.
SW5Earl's CourtStucco terraces, Edwardian mansion blocksSW5 covers Earl's Court only; RBKC Planning handles the Victorian terrace project, and Earl's Court case officers apply the SW5 conservation-area map.
SW7South Kensington / KnightsbridgeStucco terraces, mansion blocks, listed buildingsSW7 straddles a boundary: South Kensington / Knightsbridge addresses fall to RBKC Planning or Westminster City Council, so confirm which authority validates the Victorian terrace project before submitting SW7 drawings.
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 Victorian terrace project here, so the SW10 address is checked against both policies maps first.

What changes about a Victorian terrace project in each part of Kensington and Chelsea?

Roof pitch, wall build-up and plot depth change every few Kensington and Chelsea streets, and each one changes what a Victorian terrace project can achieve at that address.

How do conservation areas and Article 4 affect a Victorian terrace project in Kensington and Chelsea?

Kensington and Chelsea conservation designations: there are 38 across RBKC Planning, Chelsea, Notting Hill, Holland Park among them. Designation costs a Kensington and Chelsea owner the permitted-development route: a Victorian terrace project then needs a £258 householder application over 8 weeks, in place of the £120 prior approval route that takes 6 weeks. Earls Court is the Kensington and Chelsea designation that most often changes a Victorian terrace project design.

What Article 4 removes near Kensington and Chelsea: Article 4 Directions covering HMOs, office-to-residential, and basement developments — RBKC has some of the strictest basement policies in London. Before pricing a Victorian terrace project we check whether the SW3 address is inside the mapped area, because RBKC Planning draws the Kensington and Chelsea boundary street by street rather than across the whole of Kensington and Chelsea.

Digging below a Kensington and Chelsea property: RBKC's basement policy (post-2015) limits to single-storey under 50% of garden area; double-storey basements effectively prohibited in residential streets. Where a Victorian terrace project in Kensington and Chelsea involves excavation that is read beside the Party Wall etc. Act 1996, which needs two months notice for a Kensington and Chelsea dig within 3 m of a neighbour, and RBKC Planning expects the SW3 ground conditions addressed in the application.

Kensington and Chelsea housing stock: Grand white stucco Regency and Victorian terraces; red-brick Queen Anne mansions in Kensington; Edwardian mansion blocks; almost no post-war housing stock. Internationally wealthy residents; extensive listed building coverage; heritage and streetscape prioritised in every decision. Read that before choosing a Victorian terrace project route in Kensington and Chelsea — construction, not postcode, sets what is achievable. Victorian terrace projects in Kensington and Chelsea start at £840 on a fixed fee, or £1,750 for the Complete package covering both RBKC Planning submissions.

What happens if a Kensington and Chelsea property sits on a boundary?

Sources for this Kensington and Chelsea Victorian terrace 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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