Holborn — 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.


WC1V primarily covers Holborn in Camden.
Decisions for WC1V 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 WC1V 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.
Holborn in WC1V is characterised by the housing stock of Camden — broadly victorian and edwardian terraces.

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Every WC1V postcode district we draw in, the stock that dominates it and the authority that validates a drawing package there. WC1V fees below are the statutory England rates for 2026, not drawing package estimates.
| Postcode | Area | Dominant stock | What it means for a drawing package |
|---|---|---|---|
| WC1V | Holborn | mixed Victorian and inter-war stock | WC1V covers Holborn only; Camden Council handles the drawing package. |
| N1C | King's Cross | Modern apartments, converted warehouses | Adjoining district to WC1V, also inside Camden for drawing package purposes. |
| N6 | Highgate | Georgian villas, Victorian and Edwardian semis | Adjoining district to WC1V, also inside Camden for drawing package purposes. |
| NW1 | Camden Town / Regent's Park | Victorian terraces, mansion blocks | Adjoining district to WC1V, also inside Camden for drawing package purposes. |
| NW3 | Hampstead / Belsize Park | Georgian and Victorian villas, listed buildings | Adjoining district to WC1V, also inside Camden for drawing package purposes. |
Roof pitch, wall build-up and plot depth change every few WC1V streets, and each one changes what a drawing package can achieve at that address.
How designation changes a WC1V (Holborn) drawing package: Camden Council maintains 40 conservation areas, including Bloomsbury, Camden Town, Fitzrovia. Inside any of them a WC1V (Holborn) drawing package cannot rely on permitted development, and the route becomes a £548 householder application determined in 8 weeks rather than a £249 prior approval in 6 weeks. Bloomsbury sets the tone for WC1V (Holborn) casework.
WC1V (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 WC1V address is checked against that direction first; Camden Council publishes the WC1V (Holborn) extent, and the WC1V line rarely follows the WC1V (Holborn) boundary you would expect.
WC1V (Holborn) below-ground policy: Camden's basement policy (Policy A5) restricts single-storey basements to 50% of garden area; double-storey basements generally refused outside commercial zones. Any drawing package in WC1V (Holborn) that goes below existing foundations triggers two months notice under section 6 of the Party Wall etc. Act 1996, and Camden Council will want the WC1V ground and groundwater position set out.
WC1V (Holborn) housing stock: 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. Read that before choosing a drawing package route in WC1V (Holborn) — construction, not postcode, sets what is achievable. Camden Council charges £548 for a householder application and has 8 weeks to determine it.
Sources for this WC1V 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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