Notting Hill / Holland Park — 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.


W11 primarily covers Notting Hill / Holland Park in Kensington and Chelsea.
Decisions for W11 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 W11 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.
Notting Hill / Holland Park in W11 is characterised by the housing stock of Kensington and Chelsea — broadly grand white stucco regency and victorian terraces.

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Every W11 postcode district we draw in, the stock that dominates it and the authority that validates a drawing package there. W11 fees below are the statutory England rates for 2026, not drawing package estimates.
| Postcode | Area | Dominant stock | What it means for a drawing package |
|---|---|---|---|
| W11 | Notting Hill / Holland Park | Victorian stucco terraces | W11 covers Notting Hill / Holland Park only; RBKC Planning handles the drawing package. |
| W11 | Notting Hill | Victorian stucco terraces | Notting Hill sits inside W11; drawing package proposals here are determined by RBKC Planning. |
| W11 | Holland Park | Victorian and Edwardian villas | Holland Park sits inside W11; drawing package proposals here are determined by RBKC Planning. |
| SW3 | Chelsea / Brompton | Georgian and Victorian terraces, listed buildings | Adjoining district to W11, also inside Kensington and Chelsea for drawing package purposes. |
| SW5 | Earl's Court | Stucco terraces, Edwardian mansion blocks | Adjoining district to W11, also inside Kensington and Chelsea for drawing package purposes. |
| SW7 | South Kensington / Knightsbridge | Stucco terraces, mansion blocks, listed buildings | Adjoining district to W11, also inside Kensington and Chelsea for drawing package purposes. |
| SW10 | West Brompton / World's End | Georgian and Victorian terraces, listed buildings | Adjoining district to W11, also inside Kensington and Chelsea for drawing package purposes. |
Roof pitch, wall build-up and plot depth change every few W11 streets, and each one changes what a drawing package can achieve at that address.
W11 (Notting Hill / Holland Park) conservation designations: there are 38 across RBKC Planning, Kensington, Chelsea, Notting Hill among them. Designation costs a W11 (Notting Hill / Holland Park) owner the permitted-development route: a drawing package then needs a £548 householder application over 8 weeks, in place of the £249 prior approval route that takes 6 weeks. Earls Court is the W11 (Notting Hill / Holland Park) designation that most often changes a drawing package design.
What Article 4 removes near W11 (Notting Hill / Holland Park): 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 W11 address is inside the mapped area, because RBKC Planning draws the W11 (Notting Hill / Holland Park) boundary street by street rather than across the whole of W11 (Notting Hill / Holland Park).
Digging below a W11 (Notting Hill / Holland Park) 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 drawing package in W11 (Notting Hill / Holland Park) involves excavation that is read beside the Party Wall etc. Act 1996, which needs two months notice for a W11 (Notting Hill / Holland Park) dig within 3 m of a neighbour, and RBKC Planning expects the W11 ground conditions addressed in the application.
W11 (Notting Hill / Holland Park) 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 drawing package route in W11 (Notting Hill / Holland Park) — construction, not postcode, sets what is achievable. RBKC Planning charges £548 for a householder application and has 8 weeks to determine it.
Sources for this W11 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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