Loft Conversion Drawings in Southfields | From £1,225

An Article 4 Direction applies across Wandsworth, so check it before assuming Southfields permitted development survives. Southfields is 1930s semi-detached, grid plan; near Southfields station that context does most of the work in an officer report. Southfields sits close enough to Magdalen Park that designation should be checked at the outset, not after design. We plot the Southfields site against the designation before quoting.

Before drawing anything for Southfields, we check Article 4 directions against the SW18 boundary. On Southfields stock the constraint is physical before it is planning: the 1930s semi-detached fixes the rear wall line and the Southfields station roofline caps the ridge. The borough policy layer over every SW18 address is set out on Wandsworth planning. The Southfields survey then carries into architectural drawings in Southfields if the project runs on to construction.

Most Southfields delay happens before the clock starts: London Borough of Wandsworth takes one to two weeks to validate, and an incomplete pack goes to the back of the queue. Week one is a laser measured survey at your Southfields property; the existing plans are drawn from that survey, never from an estate agent's floorplan.

Statutory periods: 8 weeks from validation for a householder application, 13 weeks for a major scheme, 6 weeks for prior approval with a 21 days neighbour consultation, and 5 weeks for a full plans building control submission. A party structure notice requires one month notice and two months where excavation is involved.

Amendments during the Southfields determination are handled without a resubmission where possible. The set is checked against the London Borough of Wandsworth validation list before it goes in.

Objections on a Southfields case usually come from the immediate neighbours, not the wider SW18 area. Roof pitch and eaves height on a Southfields house are measured, not scaled off.

Party wall procedure runs alongside the Southfields application, not after it. Once consent is granted, planning permission follows for the SW18 property.

Southfields is characterised by 1930s semi-detached, edwardian terraces, concentrated across SW18 in the Wandsworth / Earlsfield / Southfields area. How the 1930s semi-detached in Southfields was built decides what can be opened up and where the load has to go. On SW18 plots specifically, edwardian roofs run deeper front-to-back, so an L-shaped dormer over the back addition usually yields a second bedroom as well as the shower room. That detail drives the SW18 construction sequence. A Southfields proposal that breaks the prevailing eaves line invites a refusal.

No borough-specific basement policy applies in Wandsworth, so subterranean work at a Southfields address is judged on amenity, drainage and structural grounds. One Southfields survey serves building regulations drawings for SW18 properties and house extension drawings too; we do not re-measure a SW18 property for each submission.

What the Southfields drawing pack contains

No add-ons later — the Southfields scope is set out here.

• existing roof plan and section for the Southfields property
• proposed dormer elevations
• volume calculation sheet
• staircase and head-height sections
• structural steel layout

Local landmarks that shape a Southfields application

• Chapman Square — front-to-back level changes that drive the Chapman Square section drawings.
• Southfields station — schemes visible from it get closer scrutiny in Wandsworth.
• Putney Bridge — the surrounding 1930s semi-detached takes its scale from it.

Getting to a Southfields survey

Surveyors travel to SW18 addresses from the studio; the nearest stations are Southfields, Clapham Junction, Putney Bridge, Vauxhall bus station. Appointments are booked in Southfields on weekdays and Saturdays, and the measured survey of a standard 1930s semi-detached takes two to three hours.

Where Southfields sits

Southfields lies 5.6 miles (9 km) south-west of Charing Cross, on Ordnance Survey grid reference TQ255735. The SW18 block plan is set out from that grid square. Source.

Practical detail for a Southfields submission: Southfields is served by Southfields and Clapham Junction and Putney Bridge and Vauxhall bus station; mail for Southfields routes via LONDON; dialling code 020. Site plans are drawn to the address as Wandsworth Council holds it.

Southfields postcode coverage

SW18 (Wandsworth / Earlsfield / Southfields), shared with Wandsworth Common, Earlsfield, Tonsleys — all within our Southfields survey radius.

Streets and stations in Southfields

Streets we survey in Southfields include Chapman Square. most Southfields sites are within walking distance of Southfields or Clapham Junction or Putney Bridge.

Areas we cover around Southfields

We take instructions from Paddington (W2), Victoria (SW1E, SW1W), Westbourne Green (W2, W9), Maida Vale (W9), Clapham Junction (SW11), Battersea (SW8, SW11) and everywhere between them and Southfields.

A Southfields quote moves on what the building is, not on how long we spend: the 1930s semi-detached, the party wall position, the Magdalen Park question.

Statutory application fees are set by regulation, not by the council: £548 householder, £610 for a new dwelling, £274 for a lawful development certificate, £249 for prior approval.

The statutory element is payable to London Borough of Wandsworth, not to us. London planning approval-rate dataset · Wandsworth planning · Loft Conversion Drawings London-wide · loft conversion drawings in Paddington.

Your Southfields drawings are produced under professional charter, not subcontracted out and rubber-stamped. Marginal SW18 sites get checked with Wandsworth Council first; a refusal costs far more than the advice fee.

Drawings are produced by chartered members of the Chartered Institute of Architectural Technologists (MCIAT), the professional body for technical design and building-regulations competence. First-time approval across our London caseload is 98%. Statutory fees shown are those in force in England in 2026 under the Town and Country Planning (Fees for Applications) Regulations. Confirm your local authority at gov.uk and submission requirements on the Planning Portal. Studio: 71–75 Shelton Street, London WC2H 9JQ.

Send the Southfields address; we will come back with the route and the fee. This Southfields page was reviewed in August 2026.