Wandsworth's borough-wide Article 4 removes HMO permitted-development rights. SW18's dense Victorian terraces in Earlsfield and the Tonsleys are classic side-return and loft territory and mostly outside conservation areas, while the larger villas around Wandsworth Common often fall inside the Wandsworth Common or Magdalen Park conservation areas.


Working across the whole borough rather than just this area? See planning drawings in Wandsworth.
Planning drawings for Wandsworth start by establishing whether your scheme is Permitted Development, needs a Lawful Development Certificate, or full planning from Wandsworth Council. On SW18's victorian terraced houses across earlsfield and the, the recurring questions are roof additions, rear and side-return extensions, and alterations within Wandsworth Common, Magdalen Park, Tonsley. We draw existing and proposed plans, elevations and a site location plan to the council's validation checklist for Wandsworth Town, Earlsfield, Southfields, The Tonsleys, Wandsworth Common.
Across Wandsworth Town, Earlsfield, Southfields, The Tonsleys, Wandsworth Common in SW18, the dominant property is victorian terraced houses across earlsfield and the 'tonsleys', edwardian villas around wandsworth common, and riverside new-build flats along the wandle delta at wandsworth town. That stock shapes what planning permission drawings looks like here: the right approach for a period terrace differs from a mansion-block flat or a new-build, and Wandsworth Council judges each on design quality and neighbour impact. We survey the specific Wandsworth property, confirm the planning route — Permitted Development, a Lawful Development Certificate, or full planning — and draw a council-ready set tailored to the SW18 streetscape.
Housing stock in SW18: Victorian terraced houses across Earlsfield and the 'Tonsleys', Edwardian villas around Wandsworth Common, and riverside new-build flats along the Wandle delta at Wandsworth Town.
Within the district: Wandsworth Town, Earlsfield, Southfields, The Tonsleys, Wandsworth Common.
Conservation areas: Wandsworth Common, Magdalen Park, Tonsley. Inside these, most external work needs full planning and a Heritage Statement.
Getting around SW18: Earlsfield and Wandsworth Town (South Western Railway), Southfields (District line).
Regeneration: Wandsworth falls within or beside the Wandsworth Town / Wandle Delta regeneration, which shapes local planning policy and design expectations.
Property values: approx £700k, £1.5m for houses, £850k for flats (Land Registry, 2024), a useful gauge of the build value an extension or loft adds in SW18.
Borough character: Family-oriented, high side-return extension and loft conversion rates; planning department experienced with Victorian terrace modifications.
A chartered technologist visits and laser-measures every room. Typically 60–90 minutes on site.
Drafted in Revit or AutoCAD at 1:100 or 1:50. Fully annotated and council-ready.
Unlimited revisions until you approve. Shadow studies for committee-sensitive applications.
Site location plan, block plan, Design & Access Statement where required.
We lodge the application with Wandsworth Council and pay statutory fees directly.
Every officer query, consultation response and amendment handled through to determination.
Single planning or building-regs submission.
Planning + building regs + structural.
Listed, conservation or complex sites.

Mostly yes. The grid of two-storey Victorian terraces across Earlsfield and the Tonsleys in SW18 is well suited to single-storey rear and side-return extensions under Permitted Development, decided by Wandsworth Council. The borough-wide Article 4 only affects HMO conversions, not standard householder extensions. We confirm your street is outside the Wandsworth Common and Magdalen Park conservation areas before relying on PD.
Yes — the main ones are Wandsworth Common, Magdalen Park and Tonsley. The villa streets nearest the common are the most likely to be covered, while the bulk of the Earlsfield and Southfields terraced grid sits outside. Inside these conservation areas, loft dormers, rendering and replacement windows need full planning. We map your exact address against the Wandsworth conservation layer first.
The larger semi-detached and detached Edwardian villas around Wandsworth Common often take a hip-to-gable conversion combined with a rear dormer, giving a full extra floor with two bedrooms. Smaller Earlsfield terraces usually take a rear or L-shaped dormer. Conservation-area villas need full planning and a sensitive design that keeps the front and side roof slopes legible from the street.
With Wandsworth property at approx £700k, £1.5m for houses, £850k for flats (Land Registry, 2024), the professional drawing fee is a small fraction of the value the work adds to SW18's victorian terraced houses across earlsfield and the. Wandsworth Council charges its own statutory application fee on top (currently £548 for a householder planning application, £610 for a full application). We quote the drawings as one fixed price and the free site survey covers every SW18 address.
For a SW18 project across Wandsworth Town, Earlsfield, Southfields, The Tonsleys, Wandsworth Common, expect roughly 3–4 weeks from instruction to submission: week 1 the measured survey, weeks 2–3 the drawings and your revisions, then validation and the statutory determination by Wandsworth Council (8 weeks for a householder application). We carry the Wandsworth application through every officer query to the decision.
Wandsworth (SW18) sits primarily in Wandsworth, so applications are decided by Wandsworth Council. Conservation areas within SW18 include Wandsworth Common, Magdalen Park, Tonsley, where full planning and a Heritage Statement are required. We confirm the planning route for your exact address before quoting.
Almost always. Any structural work behind planning permission drawings in Wandsworth — new openings, steel beams, loft floors, foundations — needs Building Regulations approval covering structure (Part A), fire escape (Part B) and insulation (Part L), submitted to Wandsworth Council Building Control or an approved inspector. On SW18's typically terraced and semi-detached stock, a Party Wall notice to adjoining neighbours is normally required before the steelwork. We coordinate both as part of the Complete package.
In value terms, yes. With Wandsworth (SW18) property at approx £700k, £1.5m for houses, £850k for flats (Land Registry, 2024), a well-designed extension or loft typically returns more than it costs in added floor area and sale value. The bigger risk is an unapproved or non-compliant scheme — which is why council-ready drawings and a clean Building Control sign-off matter on SW18 homes.
Householders often approach us after a neighbour used a different council. Our full range is set out for SW4, SW11, SW12, SW15, SW16, SW17 and SW19.
Pick a slot that suits you. No obligation and no sales pressure, just straight answers on your planning route.
Every SW18 postcode district we draw in, the stock that dominates it and the authority that validates a planning drawing set there. SW18 fees below are the statutory England rates for 2026, not planning drawing set estimates.
| Postcode | Area | Dominant stock | What it means for a planning drawing set |
|---|---|---|---|
| SW18 | Wandsworth / Earlsfield / Southfields | Victorian villas and terraces | A planning drawing set at an SW18 address in Wandsworth / Earlsfield / Southfields is determined by Wandsworth Council under its own Local Plan policies for Wandsworth / Earlsfield / Southfields. |
| SW18 | Wandsworth Common | Victorian villas and terraces | Wandsworth Common sits inside SW18; planning drawing set proposals here are determined by Wandsworth Council. |
| SW18 | Earlsfield | Victorian terraces | Earlsfield sits inside SW18; planning drawing set proposals here are determined by Wandsworth Council. |
| SW18 | Southfields | 1930s semi-detached, Edwardian terraces | Southfields sits inside SW18; planning drawing set proposals here are determined by Wandsworth Council. |
| SW18 | Tonsleys | Victorian terraces | Tonsleys sits inside SW18; planning drawing set proposals here are determined by Wandsworth Council. |
| SW11 | Battersea / Clapham Junction | Victorian terraces, mansion blocks | Adjoining district to SW18, also inside Wandsworth for planning drawing set purposes. |
| SW12 | Balham | Victorian and Edwardian terraces | Adjoining district to SW18, also inside Wandsworth for planning drawing set purposes. |
| SW15 | Putney / Roehampton | Edwardian terraces, Victorian villas, mansion blocks | Adjoining district to SW18, also inside Wandsworth for planning drawing set purposes. |
| SW17 | Tooting / Earlsfield | Edwardian terraces | Adjoining district to SW18, also inside Wandsworth for planning drawing set purposes. |
Roof pitch, wall build-up and plot depth change every few SW18 streets, and each one changes what a planning drawing set can achieve at that address.
Conservation areas covering SW18 (Wandsworth / Earlsfield / Southfields): Wandsworth Council runs 45, and Tonsley, Magdalen Park, Nightingale Triangle are the ones SW18 (Wandsworth / Earlsfield / Southfields) owners meet most. A planning drawing set inside a SW18 (Wandsworth / Earlsfield / Southfields) conservation area loses permitted development, so the SW18 (Wandsworth / Earlsfield / Southfields) submission is a householder application at £548 decided in 8 weeks — not a £249 prior approval decided in 6 weeks. In Wandsworth Common a planning drawing set is judged on the street elevation first.
Article 4 and your SW18 (Wandsworth / Earlsfield / Southfields) planning drawing set: 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 planning drawings.
What SW18 (Wandsworth / Earlsfield / Southfields) is built from: 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. That mix decides the planning drawing set route in SW18 (Wandsworth / Earlsfield / Southfields) more than the postcode does, and it is what a Wandsworth Council case officer reads first. A householder application costs £548 paid to Wandsworth Council direct, with 8 weeks to a decision once validated.
Sources for this SW18 planning drawing set 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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Local values run approx £700,000–£1.5m for houses, £450,000–£850,000 for flats. Source: Land Registry, 2024.
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