1930s semi-detached extensions in Wandsworth

Where in Wandsworth does a 1930s semi project actually get determined?

Every Wandsworth postcode district we draw in, the stock that dominates it and the authority that validates a 1930s semi project there. Wandsworth fees below are the statutory England rates for 2026, not 1930s semi project estimates.

How does a 1930s semi project differ street by street across Wandsworth?

Roof pitch, wall build-up and plot depth change every few Wandsworth streets, and each one changes what a 1930s semi project can achieve at that address.

• Clapham Junction (SW11) — a 1930s semi project in Clapham Junction starts from victorian terraces, mansion blocks, and Clapham Junction reads as Victorian terraces, transport hub. in SW11. Wandsworth Council assesses Clapham Junction 1930s semi projects against its own Clapham Junction character guidance, and the location plan we draw for Clapham Junction references Clapham Junction station.
• Battersea (SW8, SW11) — Victorian terraces, riverside regen at Power Station defines Battersea, where victorian terraces, new-build apartments set what a 1930s semi project can do. Any Battersea 1930s semi project is validated by Wandsworth Council, with Battersea Power Station the usual Battersea reference point on the site plan.
• Balham (SW12) — 1930s semi project work in Balham means victorian and edwardian terraces. Balham is Victorian and Edwardian terraces. Wandsworth Council decides the Balham application, and Balham High Road anchors the Balham location plan.
• Tooting (SW17) — Edwardian terraces, vibrant high street defines Tooting, where edwardian terraces set what a 1930s semi project can do. Any Tooting 1930s semi project is validated by Wandsworth Council, with Tooting Market the usual Tooting reference point on the site plan.
• Wandsworth Common (SW17, SW18) — a 1930s semi project in Wandsworth Common starts from victorian villas and terraces, and Wandsworth Common reads as Victorian villas around the common. in SW17. Wandsworth Council assesses Wandsworth Common 1930s semi projects against its own Wandsworth Common character guidance, and the location plan we draw for Wandsworth Common references Wandsworth Common.
• Earlsfield (SW18) — Victorian terraced streets defines Earlsfield, where victorian terraces set what a 1930s semi project can do. Any Earlsfield 1930s semi project is validated by Wandsworth Council, with Earlsfield station the usual Earlsfield reference point on the site plan.
• Putney (SW15) — Edwardian terraces, riverside defines Putney, where edwardian terraces, victorian villas, mansion blocks set what a 1930s semi project can do. Any Putney 1930s semi project is validated by Wandsworth Council, with Putney Bridge the usual Putney reference point on the site plan.

Does Wandsworth planning policy restrict a 1930s semi project?

Conservation areas covering Wandsworth: Wandsworth Council runs 45, and Nightingale Triangle, Wandsworth Common, Clapham Common West are the ones Wandsworth owners meet most. A 1930s semi project inside a Wandsworth conservation area loses permitted development, so the Wandsworth submission is a householder application at £548 decided in 8 weeks — not a £249 prior approval decided in 6 weeks. In Tonsley a 1930s semi project is judged on the street elevation first.

Article 4 and your Wandsworth 1930s semi project: Article 4 for HMO conversions covering the whole borough. At a SW11 address that matters twice over, because Wandsworth Council applies the direction unevenly across Wandsworth — we read the Wandsworth policies map for the exact SW11 address before quoting 1930s semi projects.

The building fabric around Wandsworth: 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 1930s semi project in Wandsworth is scoped against that stock first.

Which neighbouring authorities border Wandsworth?

• Richmond upon Thames — adjoining Wandsworth, with 72 conservation areas centred on SW13. A 1930s semi project on the far side of the Wandsworth line is determined by Richmond Council, so the Wandsworth quote for 1930s semi projects is checked against Richmond upon Thames guidance before it is issued.
• Hammersmith and Fulham — the Hammersmith and Fulham boundary runs against Wandsworth, so a 1930s semi project a street from Wandsworth is decided by Hammersmith & Fulham Council instead. Hammersmith and Fulham runs 45 conservation areas across W6 and its neighbours, which is why 1930s semi projects priced for Wandsworth are re-checked against Hammersmith and Fulham policy whenever the Wandsworth address sits on that edge.
• Westminster — the Westminster boundary runs against Wandsworth, so a 1930s semi project a street from Wandsworth is decided by Westminster City Council instead. Westminster runs 56 conservation areas across SW1 and its neighbours, which is why 1930s semi projects priced for Wandsworth are re-checked against Westminster policy whenever the Wandsworth address sits on that edge.
• Lambeth — cross the Wandsworth boundary and Lambeth Council takes the 1930s semi project instead, applying 64 conservation areas of its own around SE1. We re-price 1930s semi projects at the Wandsworth edge because Lambeth policy and Wandsworth policy rarely align on 1930s semi project depth.

Sources for this Wandsworth 1930s semi project 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.