Covent Garden / Holborn — covered by Westminster City Council.
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.
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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.
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WC2B primarily covers Covent Garden / Holborn in Westminster. It also touches Camden.
Decisions for WC2B are made by Westminster City Council. 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 Westminster: Yes.
Building regs from £950. We do not charge hourly. Free site survey across all WC2B 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. Westminster City Council timelines align with the national norm.
Covent Garden / Holborn in WC2B is characterised by the housing stock of Westminster — broadly grand georgian and regency terraces in belgravia and pimlico.

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Every WC2B postcode district we draw in, the stock that dominates it and the authority that validates a drawing package there. WC2B fees below are the statutory England rates for 2026, not drawing package estimates.
| Postcode | Area | Dominant stock | What it means for a drawing package |
|---|---|---|---|
| WC2B | Covent Garden / Holborn | mixed Victorian and inter-war stock | WC2B straddles a boundary: Covent Garden / Holborn addresses fall to Westminster City Council or Camden Council, so confirm which authority validates the drawing package before submitting WC2B drawings. |
| NW8 | St John's Wood | Victorian villas, mansion blocks | Adjoining district to WC2B, also inside Westminster for drawing package purposes. |
| SW1A | Whitehall / Buckingham Palace | mixed stock | Adjoining district to WC2B, also inside Westminster for drawing package purposes. |
| SW1E | Victoria | Regency terraces, post-war flats | Adjoining district to WC2B, also inside Westminster for drawing package purposes. |
| SW1H | St James's Park | mixed stock | Adjoining district to WC2B, also inside Westminster for drawing package purposes. |
| N1C | King's Cross | Modern apartments, converted warehouses | Adjoining district to WC2B, also inside Camden for drawing package purposes. |
| N6 | Highgate | Georgian villas, Victorian and Edwardian semis | Adjoining district to WC2B, also inside Camden for drawing package purposes. |
| NW1 | Camden Town / Regent's Park | Victorian terraces, mansion blocks | Adjoining district to WC2B, also inside Camden for drawing package purposes. |
| NW3 | Hampstead / Belsize Park | Georgian and Victorian villas, listed buildings | Adjoining district to WC2B, also inside Camden for drawing package purposes. |
Roof pitch, wall build-up and plot depth change every few WC2B streets, and each one changes what a drawing package can achieve at that address.
Conservation areas covering WC2B (Covent Garden / Holborn): Westminster City Council runs 56, and Covent Garden, St John's Wood, Mayfair are the ones WC2B (Covent Garden / Holborn) owners meet most. A drawing package inside a WC2B (Covent Garden / Holborn) conservation area loses permitted development, so the WC2B (Covent Garden / Holborn) submission is a householder application at £548 decided in 8 weeks — not a £249 prior approval decided in 6 weeks. In Soho a drawing package is judged on the street elevation first.
WC2B (Covent Garden / Holborn) and Article 4: Multiple Article 4 Directions — office-to-residential restrictions, HMO conversions, retail to residential in shopping zones. A drawing package planned at a WC2B address is checked against that direction first; Westminster City Council publishes the WC2B (Covent Garden / Holborn) extent, and the WC2B line rarely follows the WC2B (Covent Garden / Holborn) boundary you would expect.
Digging below a WC2B (Covent Garden / Holborn) property: Westminster basement policy restricts to single-storey, typically under 50% of rear garden footprint; lightwells and rooflights strictly controlled in conservation areas. Where a drawing package in WC2B (Covent Garden / Holborn) involves excavation that is read beside the Party Wall etc. Act 1996, which needs two months notice for a WC2B (Covent Garden / Holborn) dig within 3 m of a neighbour, and Westminster City Council expects the WC2B ground conditions addressed in the application.
What WC2B (Covent Garden / Holborn) is built from: Grand Georgian and Regency terraces in Belgravia and Pimlico; Victorian and Edwardian mansion blocks; heritage-rich townhouses throughout; very high listed building density. Heritage-first planning approach; listed buildings on almost every street; basement and rear extension policies particularly strict. That mix decides the drawing package route in WC2B (Covent Garden / Holborn) more than the postcode does, and it is what a Westminster City Council case officer reads first. A householder application costs £548 paid to Westminster City Council direct, with 8 weeks to a decision once validated.
Conservation areas covering WC2B (Covent Garden / Holborn): Camden Council runs 40, and Camden Town, Fitzrovia, Hampstead are the ones WC2B (Covent Garden / Holborn) owners meet most. A drawing package inside a WC2B (Covent Garden / Holborn) conservation area loses permitted development, so the WC2B (Covent Garden / Holborn) submission is a householder application at £548 decided in 8 weeks — not a £249 prior approval decided in 6 weeks. In Bloomsbury a drawing package is judged on the street elevation first.
WC2B (Covent Garden / Holborn) and Article 4: Article 4 removes permitted development for HMO conversions (C3 to C4) across the borough, plus restrictions on basement extensions in 12 conservation areas. A drawing package planned at a WC2B address is checked against that direction first; Camden Council publishes the WC2B (Covent Garden / Holborn) extent, and the WC2B line rarely follows the WC2B (Covent Garden / Holborn) boundary you would expect.
Digging below a WC2B (Covent Garden / Holborn) property: Camden's basement policy (Policy A5) restricts single-storey basements to 50% of garden area; double-storey basements generally refused outside commercial zones. Where a drawing package in WC2B (Covent Garden / Holborn) involves excavation that is read beside the Party Wall etc. Act 1996, which needs two months notice for a WC2B (Covent Garden / Holborn) dig within 3 m of a neighbour, and Camden Council expects the WC2B ground conditions addressed in the application.
What WC2B (Covent Garden / Holborn) is built from: Victorian and Edwardian terraces, Georgian townhouses in Bloomsbury and Hampstead, post-war mansion blocks, modern developments in King's Cross. Creative, affluent in Hampstead and Primrose Hill; dense mixed-use around Camden Town and Kings Cross; academic character in Bloomsbury. That mix decides the drawing package route in WC2B (Covent Garden / Holborn) more than the postcode does, and it is what a Camden Council case officer reads first. A householder application costs £548 paid to Camden Council direct, with 8 weeks to a decision once validated.
Sources for this WC2B 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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