Battersea / Clapham Junction — covered by Wandsworth 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.


SW11 primarily covers Battersea / Clapham Junction in Wandsworth.
Decisions for SW11 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.
Building regs from £950. We do not charge hourly. Free site survey across all SW11 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. Wandsworth Council timelines align with the national norm.
Battersea / Clapham Junction in SW11 is characterised by the housing stock of Wandsworth — broadly extensive victorian terraced streets — the classic london side-return extension opportunity.

Pick a slot that suits you. No obligation and no sales pressure, just straight answers on your planning route.
Every SW11 postcode district we draw in, the stock that dominates it and the authority that validates a drawing package there. SW11 fees below are the statutory England rates for 2026, not drawing package estimates.
| Postcode | Area | Dominant stock | What it means for a drawing package |
|---|---|---|---|
| SW11 | Battersea / Clapham Junction | Victorian terraces, mansion blocks | A drawing package at an SW11 address in Battersea / Clapham Junction is determined by Wandsworth Council under its own Local Plan policies for Battersea / Clapham Junction. |
| SW11 | Clapham Junction | Victorian terraces, mansion blocks | Clapham Junction sits inside SW11; drawing package proposals here are determined by Wandsworth Council. |
| SW11 | Battersea | Victorian terraces, new-build apartments | Battersea sits inside SW11; drawing package proposals here are determined by Wandsworth Council. |
| SW12 | Balham | Victorian and Edwardian terraces | Adjoining district to SW11, also inside Wandsworth for drawing package purposes. |
| SW15 | Putney / Roehampton | Edwardian terraces, Victorian villas, mansion blocks | Adjoining district to SW11, also inside Wandsworth for drawing package purposes. |
| SW17 | Tooting / Earlsfield | Edwardian terraces | Adjoining district to SW11, also inside Wandsworth for drawing package purposes. |
Roof pitch, wall build-up and plot depth change every few SW11 streets, and each one changes what a drawing package can achieve at that address.
How designation changes a SW11 (Battersea / Clapham Junction) drawing package: Wandsworth Council maintains 45 conservation areas, including Clapham Common West, Tonsley, Magdalen Park. Inside any of them a SW11 (Battersea / Clapham Junction) 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. Clapham Common West sets the tone for SW11 (Battersea / Clapham Junction) casework.
SW11 (Battersea / Clapham Junction) and Article 4: Article 4 for HMO conversions covering the whole borough. A drawing package planned at a SW11 address is checked against that direction first; Wandsworth Council publishes the SW11 (Battersea / Clapham Junction) extent, and the SW11 line rarely follows the SW11 (Battersea / Clapham Junction) boundary you would expect.
SW11 (Battersea / Clapham Junction) housing stock: 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. Read that before choosing a drawing package route in SW11 (Battersea / Clapham Junction) — construction, not postcode, sets what is achievable. Wandsworth Council charges £548 for a householder application and has 8 weeks to determine it.
Sources for this SW11 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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