Bloomsbury / Mount Pleasant — covered by Camden 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.
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.


WC1X primarily covers Bloomsbury / Mount Pleasant in Camden. It also touches Islington.
Decisions for WC1X are made by Camden 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 Camden: Yes.
Building regs from £950. We do not charge hourly. Free site survey across all WC1X 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. Camden Council timelines align with the national norm.
Bloomsbury / Mount Pleasant in WC1X is characterised by the housing stock of Camden — broadly victorian and edwardian terraces.

Pick a slot that suits you. No obligation and no sales pressure, just straight answers on your planning route.
Every WC1X postcode district we draw in, the stock that dominates it and the authority that validates a drawing package there. WC1X fees below are the statutory England rates for 2026, not drawing package estimates.
| Postcode | Area | Dominant stock | What it means for a drawing package |
|---|---|---|---|
| WC1X | Bloomsbury / Mount Pleasant | mixed Victorian and inter-war stock | WC1X straddles a boundary: Bloomsbury / Mount Pleasant addresses fall to Camden Council or Islington Council, so confirm which authority validates the drawing package before submitting WC1X drawings. |
| N1C | King's Cross | Modern apartments, converted warehouses | Adjoining district to WC1X, also inside Camden for drawing package purposes. |
| N6 | Highgate | Georgian villas, Victorian and Edwardian semis | Adjoining district to WC1X, also inside Camden for drawing package purposes. |
| NW1 | Camden Town / Regent's Park | Victorian terraces, mansion blocks | Adjoining district to WC1X, also inside Camden for drawing package purposes. |
| NW3 | Hampstead / Belsize Park | Georgian and Victorian villas, listed buildings | Adjoining district to WC1X, also inside Camden for drawing package purposes. |
| N1 | Islington / Hoxton | Georgian and early Victorian terraces | Adjoining district to WC1X, also inside Islington for drawing package purposes. |
| N5 | Highbury | Victorian terraces, mansion blocks | Adjoining district to WC1X, also inside Islington for drawing package purposes. |
| N7 | Holloway / Tufnell Park | Victorian villas and terraces | Adjoining district to WC1X, also inside Islington for drawing package purposes. |
| N19 | Archway / Tufnell Park | Victorian terraces, post-war flats | Adjoining district to WC1X, also inside Islington for drawing package purposes. |
Roof pitch, wall build-up and plot depth change every few WC1X streets, and each one changes what a drawing package can achieve at that address.
Conservation areas covering WC1X (Bloomsbury / Mount Pleasant): Camden Council runs 40, and Camden Town, Fitzrovia, Hampstead are the ones WC1X (Bloomsbury / Mount Pleasant) owners meet most. A drawing package inside a WC1X (Bloomsbury / Mount Pleasant) conservation area loses permitted development, so the WC1X (Bloomsbury / Mount Pleasant) submission is a householder application at £548 decided in 8 weeks — not a £249 prior approval decided in 6 weeks. In Primrose Hill a drawing package is judged on the street elevation first.
Article 4 and your WC1X (Bloomsbury / Mount Pleasant) drawing package: Article 4 removes permitted development for HMO conversions (C3 to C4) across the borough, plus restrictions on basement extensions in 12 conservation areas. At a WC1X address that matters twice over, because Camden Council applies the direction unevenly across WC1X (Bloomsbury / Mount Pleasant) — we read the WC1X (Bloomsbury / Mount Pleasant) policies map for the exact WC1X address before quoting architectural drawings.
Digging below a WC1X (Bloomsbury / Mount Pleasant) 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 WC1X (Bloomsbury / Mount Pleasant) involves excavation that is read beside the Party Wall etc. Act 1996, which needs two months notice for a WC1X (Bloomsbury / Mount Pleasant) dig within 3 m of a neighbour, and Camden Council expects the WC1X ground conditions addressed in the application.
The building fabric around WC1X (Bloomsbury / Mount Pleasant): 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. A drawing package in WC1X (Bloomsbury / Mount Pleasant) 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 Camden Council.
Conservation areas covering WC1X (Bloomsbury / Mount Pleasant): Islington Council runs 40, and Clerkenwell, Angel, Barnsbury are the ones WC1X (Bloomsbury / Mount Pleasant) owners meet most. A drawing package inside a WC1X (Bloomsbury / Mount Pleasant) conservation area loses permitted development, so the WC1X (Bloomsbury / Mount Pleasant) submission is a householder application at £548 decided in 8 weeks — not a £249 prior approval decided in 6 weeks. In Canonbury a drawing package is judged on the street elevation first.
Article 4 and your WC1X (Bloomsbury / Mount Pleasant) drawing package: Article 4 Direction covering the whole borough removes permitted development rights for HMO conversions (C3 to C4). Separate Article 4 for office-to-residential in key areas. At a WC1X address that matters twice over, because Islington Council applies the direction unevenly across WC1X (Bloomsbury / Mount Pleasant) — we read the WC1X (Bloomsbury / Mount Pleasant) policies map for the exact WC1X address before quoting architectural drawings.
The building fabric around WC1X (Bloomsbury / Mount Pleasant): Georgian and early Victorian terraces, Victorian bye-law housing, 1930s mansion blocks, converted industrial buildings in Clerkenwell and Farringdon. Densely terraced, gentrified; strong conservation area coverage; active planning department. A drawing package in WC1X (Bloomsbury / Mount Pleasant) 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 Islington Council.
Sources for this WC1X 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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