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Architectural drawings in SW18

Wandsworth / Earlsfield / Southfields — covered by Wandsworth Council.

SW18 at a glance

Primary area
Wandsworth / Earlsfield / Southfields
Borough
Wandsworth
Planning authority
Wandsworth Council
Article 4 in force
Yes
Conservation areas (borough)
45
Quote turnaround
Same day

London terraced street — typical residential housing for architectural drawings
Services in SW18

Drawings for every SW18 property type

Questions about SW18

SW18 planning FAQ

What borough is SW18?

SW18 primarily covers Wandsworth / Earlsfield / Southfields in Wandsworth.

Do I need planning permission in SW18?

Decisions for SW18 are made by Wandsworth 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 Wandsworth: Yes.

What does it cost to get drawings in SW18?

Building regs from £950. We do not charge hourly. Free site survey across all SW18 addresses.

How long does a project take in SW18?

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. Wandsworth Council timelines align with the national norm.

What housing stock dominates SW18?

Wandsworth / Earlsfield / Southfields in SW18 is characterised by the housing stock of Wandsworth — broadly extensive victorian terraced streets — the classic london side-return extension opportunity.

Boroughs covering SW18

Local authorities

Nearby postcodes in Wandsworth

An architectural technologist checking a printed set of house drawings, marking a proposed elevation in red — architectural drawings in SW18
Every set is checked line by line against the validation checklist before it leaves the office.
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Which SW18 postcodes does this drawing package service cover?

Every SW18 postcode district we draw in, the stock that dominates it and the authority that validates a drawing package there. SW18 fees below are the statutory England rates for 2026, not drawing package estimates.

PostcodeAreaDominant stockWhat it means for a drawing package
SW18Wandsworth / Earlsfield / SouthfieldsVictorian villas and terracesSW18 covers Wandsworth / Earlsfield / Southfields only; Wandsworth Council handles the drawing package.
SW18Wandsworth CommonVictorian villas and terracesWandsworth Common sits inside SW18; drawing package proposals here are determined by Wandsworth Council.
SW18EarlsfieldVictorian terracesEarlsfield sits inside SW18; drawing package proposals here are determined by Wandsworth Council.
SW18Southfields1930s semi-detached, Edwardian terracesSouthfields sits inside SW18; drawing package proposals here are determined by Wandsworth Council.
SW18TonsleysVictorian terracesTonsleys sits inside SW18; drawing package proposals here are determined by Wandsworth Council.
SW11Battersea / Clapham JunctionVictorian terraces, mansion blocksAdjoining district to SW18, also inside Wandsworth for drawing package purposes.
SW12BalhamVictorian and Edwardian terracesAdjoining district to SW18, also inside Wandsworth for drawing package purposes.
SW15Putney / RoehamptonEdwardian terraces, Victorian villas, mansion blocksAdjoining district to SW18, also inside Wandsworth for drawing package purposes.
SW17Tooting / EarlsfieldEdwardian terracesAdjoining district to SW18, also inside Wandsworth for drawing package purposes.

Which SW18 neighbourhoods suit a drawing package best?

Roof pitch, wall build-up and plot depth change every few SW18 streets, and each one changes what a drawing package can achieve at that address.

Does SW18 planning policy restrict a drawing package?

SW18 (Wandsworth / Earlsfield / Southfields) conservation designations: there are 45 across Wandsworth Council, Nightingale Triangle, Wandsworth Common, Clapham Common West among them. Designation costs a SW18 (Wandsworth / Earlsfield / Southfields) 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 SW18 (Wandsworth / Earlsfield / Southfields) designation that most often changes a drawing package design.

Article 4 and your SW18 (Wandsworth / Earlsfield / Southfields) drawing package: Article 4 for HMO conversions covering the whole borough. At a SW18 address that matters twice over, because Wandsworth Council applies the direction unevenly across SW18 (Wandsworth / Earlsfield / Southfields) — we read the SW18 (Wandsworth / Earlsfield / Southfields) policies map for the exact SW18 address before quoting architectural drawings.

The building fabric around SW18 (Wandsworth / Earlsfield / Southfields): 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 SW18 (Wandsworth / Earlsfield / Southfields) 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.

What happens if a SW18 property sits on a boundary?

Sources for this SW18 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 SW18
The planning set that goes to the council through the Planning Portal: proposed elevations, plans, and the OS location plan with your site outlined.
Further reading

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