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Architectural drawings in W1W

Fitzrovia / Great Portland Street — covered by Westminster City Council.

W1W at a glance

Primary area
Fitzrovia / Great Portland Street
Borough
Westminster
Planning authority
Westminster City Council
Article 4 in force
Yes
Conservation areas (borough)
56
Quote turnaround
Same day

Architectural technologist reviewing planning drawings — architectural drawings in London
Services in W1W

Drawings for every W1W property type

Questions about W1W

W1W planning FAQ

What borough is W1W?

W1W primarily covers Fitzrovia / Great Portland Street in Westminster.

Do I need planning permission in W1W?

Decisions for W1W 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.

What does it cost to get drawings in W1W?

Building regs from £950. We do not charge hourly. Free site survey across all W1W addresses.

How long does a project take in W1W?

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.

What housing stock dominates W1W?

Fitzrovia / Great Portland Street in W1W is characterised by the housing stock of Westminster — broadly grand georgian and regency terraces in belgravia and pimlico.

Boroughs covering W1W

Local authorities

Nearby postcodes in Westminster

An architectural technologist checking a printed set of house drawings, marking a proposed elevation in red — architectural drawings in W1W
Every set is checked line by line against the validation checklist before it leaves the office.
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Where in W1W does a drawing package actually get determined?

Every W1W postcode district we draw in, the stock that dominates it and the authority that validates a drawing package there. W1W fees below are the statutory England rates for 2026, not drawing package estimates.

PostcodeAreaDominant stockWhat it means for a drawing package
W1WFitzrovia / Great Portland Streetmixed Victorian and inter-war stockFitzrovia / Great Portland Street sits wholly inside W1W, so Westminster City Council validates every drawing package submitted from an W1W address.
NW8St John's WoodVictorian villas, mansion blocksAdjoining district to W1W, also inside Westminster for drawing package purposes.
SW1AWhitehall / Buckingham Palacemixed stockAdjoining district to W1W, also inside Westminster for drawing package purposes.
SW1EVictoriaRegency terraces, post-war flatsAdjoining district to W1W, also inside Westminster for drawing package purposes.
SW1HSt James's Parkmixed stockAdjoining district to W1W, also inside Westminster for drawing package purposes.

Which W1W neighbourhoods suit a drawing package best?

Roof pitch, wall build-up and plot depth change every few W1W streets, and each one changes what a drawing package can achieve at that address.

How do conservation areas and Article 4 affect a drawing package in W1W?

W1W (Fitzrovia / Great Portland Street) conservation designations: there are 56 across Westminster City Council, Covent Garden, St John's Wood, Mayfair among them. Designation costs a W1W (Fitzrovia / Great Portland Street) 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. Covent Garden is the W1W (Fitzrovia / Great Portland Street) designation that most often changes a drawing package design.

What Article 4 removes near W1W (Fitzrovia / Great Portland Street): Multiple Article 4 Directions — office-to-residential restrictions, HMO conversions, retail to residential in shopping zones. Before pricing a drawing package we check whether the W1W address is inside the mapped area, because Westminster City Council draws the W1W (Fitzrovia / Great Portland Street) boundary street by street rather than across the whole of W1W (Fitzrovia / Great Portland Street).

Digging below a W1W (Fitzrovia / Great Portland Street) 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 W1W (Fitzrovia / Great Portland Street) involves excavation that is read beside the Party Wall etc. Act 1996, which needs two months notice for a W1W (Fitzrovia / Great Portland Street) dig within 3 m of a neighbour, and Westminster City Council expects the W1W ground conditions addressed in the application.

What W1W (Fitzrovia / Great Portland Street) 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 W1W (Fitzrovia / Great Portland Street) 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.

What happens if a W1W property sits on a boundary?

Sources for this W1W 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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A printed planning application drawing set — proposed elevations, floor plans and the os location plan with the site outlined in red — architectural drawings in W1W
The planning set that goes to the council through the Planning Portal: proposed elevations, plans, and the OS location plan with your site outlined.
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