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Zone · Kensington and Chelsea

Architectural drawings in South Kensington and Chelsea

South Kensington and Chelsea at a glance

Neighbourhoods
Chelsea, South Kensington, World's End and Brompton
Typical property
Georgian and Victorian terraces, garden-square houses and mansion flats
Planning authority
RBKC Planning
Article 4 in borough
Yes
Conservation areas (borough)
38
Quote turnaround
Same day

Technical drawings reviewed on tablet — architectural drawings in Kensington & Chelsea
Where we draw in South Kensington and Chelsea

Which Kensington and Chelsea neighbourhoods does this cover?

This page covers the southern part of the borough — Chelsea, South Kensington, World's End and Brompton and the streets around them. The stock here is largely Georgian and Victorian terraces, garden-square houses and mansion flats, and we prepare drawings across every one of those types for RBKC Planning.

The south is heavily listed, with the Chelsea, Thurloe and Brompton conservation areas meaning most schemes need listed-building consent and are designed strictly to the period fabric — basements are a common but tightly-policed route to more space. Whichever route your address falls under, we confirm it free at the measured survey and design to match the southern Kensington and Chelsea streetscape — from period rear and side-return extensions to rear-dormer and mansard loft conversions.

Services in South Kensington and Chelsea

What we draw in South Kensington and Chelsea

Planning in Kensington and Chelsea

How does planning work across South Kensington and Chelsea?

Every application in South Kensington and Chelsea is decided by RBKC Planning. Householder applications carry a statutory 8-week determination; allow around 12–14 weeks from first call to decision once the measured survey, design and validation are included. We hold a 98% first-time approval rate across Kensington and Chelsea.

Article 4 Direction: Article 4 Directions covering HMOs, office-to-residential, and basement developments — RBKC has some of the strictest basement policies in London.

Basement policy: RBKC's basement policy (post-2015) limits to single-storey under 50% of garden area; double-storey basements effectively prohibited in residential streets.

An architectural technologist checking a printed set of house drawings, marking a proposed elevation in red — architectural drawings in South Kensington and Chelsea
Every set is checked line by line against the validation checklist before it leaves the office.

Which Kensington and Chelsea postcodes does this drawing package service cover?

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

PostcodeAreaDominant stockWhat it means for a drawing package
W10North Kensington / Ladbroke GroveVictorian terraces, post-war estatesA drawing package at an W10 address in North Kensington / Ladbroke Grove is determined by RBKC Planning under its own Local Plan policies for North Kensington / Ladbroke Grove.
W11Notting Hill / Holland ParkVictorian stucco terracesW11 covers Notting Hill / Holland Park only; RBKC Planning handles the drawing package, and Notting Hill / Holland Park case officers apply the W11 conservation-area map.
SW1XKnightsbridge / BelgraviaRegency stucco terraces, listed buildingsKnightsbridge / Belgravia is split at SW1X. Either Westminster City Council or RBKC Planning can determine a drawing package here, so the SW1X address is checked against both policies maps first.
W14West Kensington / Barons CourtVictorian and Edwardian villasWest Kensington / Barons Court is split at W14. Either Hammersmith & Fulham Council or RBKC Planning can determine a drawing package here, so the W14 address is checked against both policies maps first.
SW3Chelsea / BromptonGeorgian and Victorian terraces, listed buildingsSW3 covers Chelsea / Brompton only; RBKC Planning handles the drawing package, and Chelsea / Brompton case officers apply the SW3 conservation-area map.
SW5Earl's CourtStucco terraces, Edwardian mansion blocksEarl's Court sits wholly inside SW5, so RBKC Planning validates every drawing package submitted from an SW5 address.
SW7South Kensington / KnightsbridgeStucco terraces, mansion blocks, listed buildingsSouth Kensington / Knightsbridge is split at SW7. Either RBKC Planning or Westminster City Council can determine a drawing package here, so the SW7 address is checked against both policies maps first.
SW10West Brompton / World's EndGeorgian and Victorian terraces, listed buildingsA drawing package in West Brompton / World's End may land with RBKC Planning or Hammersmith & Fulham Council — SW10 crosses the boundary, and the SW10 policies map decides it street by street.

What changes about a drawing package 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 drawing package can achieve at that address.

How do conservation areas and Article 4 affect a drawing package in Kensington and Chelsea?

Conservation areas covering Kensington and Chelsea: RBKC Planning runs 38, and Kensington, Chelsea, Notting Hill are the ones Kensington and Chelsea owners meet most. A drawing package inside a Kensington and Chelsea conservation area loses permitted development, so the Kensington and Chelsea submission is a householder application at £548 decided in 8 weeks — not a £249 prior approval decided in 6 weeks. In Earls Court a drawing package is judged on the street elevation first.

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 drawing package 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.

Kensington and Chelsea below-ground policy: RBKC's basement policy (post-2015) limits to single-storey under 50% of garden area; double-storey basements effectively prohibited in residential streets. Any drawing package in Kensington and Chelsea that goes below existing foundations triggers two months notice under section 6 of the Party Wall etc. Act 1996, and RBKC Planning will want the SW3 ground and groundwater position set out.

The building fabric around Kensington and Chelsea: 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. A drawing package in Kensington and Chelsea is scoped against that stock first, because it decides whether the scheme runs as permitted development, a £274 Lawful Development Certificate, or a full £548 application to RBKC Planning.

Which neighbouring authorities border Kensington and Chelsea?

Sources for this Kensington and Chelsea drawing package 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.

South Kensington and Chelsea FAQs

South Kensington and Chelsea — your questions answered.

Direct answers to what homeowners in southern Kensington and Chelsea ask about drawings, permission and fees.

Do I need planning permission for an extension in South Kensington and Chelsea?

It depends on your exact address. Many single-storey rear and side-return extensions on unlisted houses in South Kensington and Chelsea fall under Permitted Development, but The south is heavily listed, with the Chelsea, Thurloe and Brompton conservation areas meaning most schemes need listed-building consent and are designed strictly to the period fabric — basements are a common but tightly-policed route to more space. Flats, listed buildings and conservation areas always need full planning, decided by RBKC Planning. Article 4 in the borough: Yes — check your address. We confirm exactly which route applies to your property, free, at the survey.

What kind of homes do you draw in South Kensington and Chelsea?

The southern half of Kensington and Chelsea — around Chelsea, South Kensington, World's End and Brompton — is characterised by Georgian and Victorian terraces, garden-square houses and mansion flats. We prepare planning and building-regulations drawings for every period represented here, designed to match the local streetscape and satisfy RBKC Planning.

How much do architectural drawings cost in South Kensington and Chelsea, and how long do they take?

RBKC Planning determines householder applications in 8 weeks; allow roughly 12–14 weeks end to end (survey, design, validation and determination). We hold a 98% first-time approval rate across Kensington and Chelsea.

More of Kensington and Chelsea

Other areas of Kensington and Chelsea

If your site sits close to the edge of the borough, it is worth checking the authority next door. Browse everything we do in North Kensington and Chelsea and All of Kensington and Chelsea.

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Architectural drawings in South Kensington and Chelsea — a London terraced street of the type we survey
A london terraced street of the type we survey — architectural drawings in South Kensington and Chelsea.

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