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Architectural drawings in CR4

Mitcham — covered by Merton Council.

CR4 at a glance

Primary area
Mitcham
Borough
Merton
Planning authority
Merton Council
Conservation areas (borough)
28
Quote turnaround
Same day

Architectural planning drawings for a London project — architectural drawings
Services in CR4

Drawings for every CR4 property type

Questions about CR4

CR4 planning FAQ

What borough is CR4?

CR4 primarily covers Mitcham in Merton.

Do I need planning permission in CR4?

Decisions for CR4 are made by Merton 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 Merton: No.

What does it cost to get drawings in CR4?

Building regs from £950. We do not charge hourly. Free site survey across all CR4 addresses.

How long does a project take in CR4?

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. Merton Council timelines align with the national norm.

What housing stock dominates CR4?

Mitcham in CR4 is characterised by the housing stock of Merton — broadly victorian villas in wimbledon.

Boroughs covering CR4

Local authorities

Nearby postcodes in Merton

An architectural technologist checking a printed set of house drawings, marking a proposed elevation in red — architectural drawings in CR4
Every set is checked line by line against the validation checklist before it leaves the office.
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Which CR4 postcodes does this drawing package service cover?

Every CR4 postcode district we draw in, the stock that dominates it and the authority that validates a drawing package there. CR4 fees below are the statutory England rates for 2026, not drawing package estimates.

PostcodeAreaDominant stockWhat it means for a drawing package
CR4Mitcham1930s semi-detached, post-war estatesMitcham sits wholly inside CR4, so Merton Council validates every drawing package submitted from an CR4 address.
SW19Wimbledon / Colliers WoodVictorian villas, Edwardian terracesAdjoining district to CR4, also inside Merton for drawing package purposes.
SW20Raynes ParkVictorian villas, Edwardian terracesAdjoining district to CR4, also inside Merton for drawing package purposes.
SM4Morden1930s semi-detached, post-war flatsAdjoining district to CR4, also inside Merton for drawing package purposes.

Which CR4 neighbourhoods suit a drawing package best?

Roof pitch, wall build-up and plot depth change every few CR4 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 CR4?

CR4 (Mitcham) conservation designations: there are 28 across Merton Council, Wimbledon Common, Wimbledon Village, John Innes among them. Designation costs a CR4 (Mitcham) 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. John Innes is the CR4 (Mitcham) designation that most often changes a drawing package design.

No blanket Article 4 over CR4 (Mitcham): Merton Council has not withdrawn permitted development across CR4 (Mitcham), so a drawing package outside a CR4 (Mitcham) conservation area usually keeps it. The £274 Lawful Development Certificate is still the document a CR4 owner wants on file.

The building fabric around CR4 (Mitcham): Victorian villas in Wimbledon; Edwardian terraces in Tooting and Colliers Wood; 1930s semi-detached in Morden and Raynes Park; post-war flats in Mitcham. Wimbledon is heavily conservation-controlled; outer Merton (Morden, Mitcham) is permissive. A drawing package in CR4 (Mitcham) 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 Merton Council.

Who decides a drawing package on the edge of CR4?

Sources for this CR4 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 CR4
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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