Wimbledon / Colliers Wood — covered by Merton 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.


SW19 primarily covers Wimbledon / Colliers Wood in Merton. It also touches Wandsworth.
Decisions for SW19 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.
Building regs from £950. We do not charge hourly. Free site survey across all SW19 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. Merton Council timelines align with the national norm.
Wimbledon / Colliers Wood in SW19 is characterised by the housing stock of Merton — broadly victorian villas in wimbledon.

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Every SW19 postcode district we draw in, the stock that dominates it and the authority that validates a drawing package there. SW19 fees below are the statutory England rates for 2026, not drawing package estimates.
| Postcode | Area | Dominant stock | What it means for a drawing package |
|---|---|---|---|
| SW19 | Wimbledon / Colliers Wood | Victorian villas, Edwardian terraces | A drawing package in Wimbledon / Colliers Wood may land with Merton Council or Wandsworth Council — SW19 crosses the boundary, and the SW19 policies map decides it street by street. |
| SW19 | Wimbledon | Victorian villas, Edwardian terraces | Wimbledon sits inside SW19; drawing package proposals here are determined by Merton Council. |
| SW19 | Wimbledon Village | Georgian and Victorian villas | Wimbledon Village sits inside SW19; drawing package proposals here are determined by Merton Council. |
| SW19 | Colliers Wood | Edwardian terraces, post-war flats | Colliers Wood sits inside SW19; drawing package proposals here are determined by Merton Council. |
| SW19 | South Wimbledon | Edwardian terraces | South Wimbledon sits inside SW19; drawing package proposals here are determined by Merton Council. |
| SW20 | Raynes Park | Victorian villas, Edwardian terraces | Adjoining district to SW19, also inside Merton for drawing package purposes. |
| SM4 | Morden | 1930s semi-detached, post-war flats | Adjoining district to SW19, also inside Merton for drawing package purposes. |
| CR4 | Mitcham | 1930s semi-detached, post-war estates | Adjoining district to SW19, also inside Merton for drawing package purposes. |
| SW11 | Battersea / Clapham Junction | Victorian terraces, mansion blocks | Adjoining district to SW19, also inside Wandsworth for drawing package purposes. |
| SW12 | Balham | Victorian and Edwardian terraces | Adjoining district to SW19, also inside Wandsworth for drawing package purposes. |
| SW15 | Putney / Roehampton | Edwardian terraces, Victorian villas, mansion blocks | Adjoining district to SW19, also inside Wandsworth for drawing package purposes. |
| SW17 | Tooting / Earlsfield | Edwardian terraces | Adjoining district to SW19, also inside Wandsworth for drawing package purposes. |
Roof pitch, wall build-up and plot depth change every few SW19 streets, and each one changes what a drawing package can achieve at that address.
SW19 (Wimbledon / Colliers Wood) conservation designations: there are 28 across Merton Council, Wimbledon Village, John Innes, Mitcham Cricket Green among them. Designation costs a SW19 (Wimbledon / Colliers Wood) 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. Wimbledon Village is the SW19 (Wimbledon / Colliers Wood) designation that most often changes a drawing package design.
No blanket Article 4 over SW19 (Wimbledon / Colliers Wood): Merton Council has not withdrawn permitted development across SW19 (Wimbledon / Colliers Wood), so a drawing package outside a SW19 (Wimbledon / Colliers Wood) conservation area usually keeps it. The £274 Lawful Development Certificate is still the document a SW19 owner wants on file.
The building fabric around SW19 (Wimbledon / Colliers Wood): 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 SW19 (Wimbledon / Colliers Wood) 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.
SW19 (Wimbledon / Colliers Wood) conservation designations: there are 45 across Wandsworth Council, Magdalen Park, Nightingale Triangle, Wandsworth Common among them. Designation costs a SW19 (Wimbledon / Colliers Wood) 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. Tonsley is the SW19 (Wimbledon / Colliers Wood) designation that most often changes a drawing package design.
What Article 4 removes near SW19 (Wimbledon / Colliers Wood): Article 4 for HMO conversions covering the whole borough. Before pricing a drawing package we check whether the SW19 address is inside the mapped area, because Wandsworth Council draws the SW19 (Wimbledon / Colliers Wood) boundary street by street rather than across the whole of SW19 (Wimbledon / Colliers Wood).
The building fabric around SW19 (Wimbledon / Colliers Wood): Extensive Victorian terraced streets — the classic London side-return extension opportunity; Edwardian villas around the commons; 1930s semi-detached in Southfields. Family-oriented, high side-return extension and loft conversion rates; planning department experienced with Victorian terrace modifications. A drawing package in SW19 (Wimbledon / Colliers Wood) 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 Wandsworth Council.
Sources for this SW19 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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