West Brompton / World's End — covered by RBKC Planning.
Planning permission drawings delivered by an MCIAT chartered team.
Building regulations drawings delivered by an MCIAT chartered team.
Loft conversion drawings delivered by an MCIAT chartered team.
House extension drawings delivered by an MCIAT chartered team.
Mansard roof extensions delivered by an MCIAT chartered team.
Garage conversion drawings delivered by an MCIAT chartered team.
Basement conversion drawings delivered by an MCIAT chartered team.
Structural calculations delivered by an MCIAT chartered team.
Measured building survey delivered by an MCIAT chartered team.
Party wall services delivered by an MCIAT chartered team.
Rear dormer drawings delivered by an MCIAT chartered team.


SW10 primarily covers West Brompton / World's End in Kensington and Chelsea. It also touches Hammersmith and Fulham.
Decisions for SW10 are made by RBKC Planning. Standard Permitted Development rules apply for most rear extensions and loft conversions on terraced and semi-detached houses, unless the property is in a conservation area, is listed, or sits under an Article 4 Direction. Article 4 in Kensington and Chelsea: Yes.
Building regs from £950. We do not charge hourly. Free site survey across all SW10 addresses.
From first call to planning decision: typically 12–14 weeks. Site survey week 1, design weeks 2–3, validation 1–2 weeks, statutory 8-week determination. RBKC Planning timelines align with the national norm.
West Brompton / World's End in SW10 is characterised by the housing stock of Kensington and Chelsea — broadly grand white stucco regency and victorian terraces.

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Every SW10 postcode district we draw in, the stock that dominates it and the authority that validates a drawing package there. SW10 fees below are the statutory England rates for 2026, not drawing package estimates.
| Postcode | Area | Dominant stock | What it means for a drawing package |
|---|---|---|---|
| SW10 | West Brompton / World's End | Georgian and Victorian terraces, listed buildings | A 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. |
| SW10 | Chelsea | Georgian and Victorian terraces, listed buildings | Chelsea sits inside SW10; drawing package proposals here are determined by RBKC Planning. |
| SW3 | Chelsea / Brompton | Georgian and Victorian terraces, listed buildings | Adjoining district to SW10, also inside Kensington and Chelsea for drawing package purposes. |
| SW5 | Earl's Court | Stucco terraces, Edwardian mansion blocks | Adjoining district to SW10, also inside Kensington and Chelsea for drawing package purposes. |
| SW7 | South Kensington / Knightsbridge | Stucco terraces, mansion blocks, listed buildings | Adjoining district to SW10, also inside Kensington and Chelsea for drawing package purposes. |
| SW6 | Fulham / Parsons Green | Victorian terraces, mansion blocks | Adjoining district to SW10, also inside Hammersmith and Fulham for drawing package purposes. |
| W6 | Hammersmith / Brackenbury Village | Victorian terraces, mansion blocks | Adjoining district to SW10, also inside Hammersmith and Fulham for drawing package purposes. |
| W12 | Shepherd's Bush / White City | Victorian and Edwardian terraces | Adjoining district to SW10, also inside Hammersmith and Fulham for drawing package purposes. |
| W14 | West Kensington / Barons Court | Victorian and Edwardian villas | Adjoining district to SW10, also inside Hammersmith and Fulham for drawing package purposes. |
Roof pitch, wall build-up and plot depth change every few SW10 streets, and each one changes what a drawing package can achieve at that address.
Conservation areas covering SW10 (West Brompton / World's End): RBKC Planning runs 38, and Holland Park, Earls Court, Kensington are the ones SW10 (West Brompton / World's End) owners meet most. A drawing package inside a SW10 (West Brompton / World's End) conservation area loses permitted development, so the SW10 (West Brompton / World's End) submission is a householder application at £548 decided in 8 weeks — not a £249 prior approval decided in 6 weeks. In Kensington a drawing package is judged on the street elevation first.
What Article 4 removes near SW10 (West Brompton / World's End): 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 SW10 address is inside the mapped area, because RBKC Planning draws the SW10 (West Brompton / World's End) boundary street by street rather than across the whole of SW10 (West Brompton / World's End).
SW10 (West Brompton / World's End) 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 SW10 (West Brompton / World's End) 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 SW10 ground and groundwater position set out.
The building fabric around SW10 (West Brompton / World's End): 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 SW10 (West Brompton / World's End) 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.
Conservation areas covering SW10 (West Brompton / World's End): Hammersmith & Fulham Council runs 45, and Parsons Green, Walham Green, Hammersmith Grove are the ones SW10 (West Brompton / World's End) owners meet most. A drawing package inside a SW10 (West Brompton / World's End) conservation area loses permitted development, so the SW10 (West Brompton / World's End) submission is a householder application at £548 decided in 8 weeks — not a £249 prior approval decided in 6 weeks. In Hammersmith Grove a drawing package is judged on the street elevation first.
What Article 4 removes near SW10 (West Brompton / World's End): Article 4 removes PD for HMO conversions; restrictions on ground-floor shop-to-residential in certain streets. Before pricing a drawing package we check whether the SW10 address is inside the mapped area, because Hammersmith & Fulham Council draws the SW10 (West Brompton / World's End) boundary street by street rather than across the whole of SW10 (West Brompton / World's End).
The building fabric around SW10 (West Brompton / World's End): 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. A drawing package in SW10 (West Brompton / World's End) 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 Hammersmith & Fulham Council.
Sources for this SW10 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.
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