House Extension Drawings in Tonsleys |

An Article 4 Direction applies across Wandsworth, so check it before assuming Tonsleys permitted development survives. The Tonsleys setting is Victorian conservation area, which shapes what passes near Tonsley Hill. Where a Tonsleys property sits inside Wandsworth Common or Clapham Common West — two of Wandsworth's 45 designations — permitted development narrows and a full Wandsworth Council submission is usually quicker. Designation status for the SW18 address is established first.

How Article 4 directions apply to your Tonsleys street is settled at survey stage, not after submission. The victorian terraces governs the numbers on a Tonsleys site: rear wall, eaves, and how far a ridge can rise beside Tonsley Hill. The borough policy layer over every SW18 address is set out on Wandsworth planning. The Tonsleys survey then carries into loft conversion drawings in Tonsleys if the project runs on to construction.

Before Wandsworth Council determines anything, London Borough of Wandsworth has to validate the Tonsleys submission — one to two weeks, longer if a plan is missing. Everything begins by measuring the Tonsleys property properly — openings, levels, structure — before a proposal exists.

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 Tonsleys determination are handled without a resubmission where possible. You get the full Tonsleys set as PDFs, plus CAD on request.

London Borough of Wandsworth weighs material objections only — a Tonsleys neighbour disliking the design is not one. The Tonsleys existing set is accurate to the millimetre where it matters.

Shared walls are the norm in Tonsleys; the notice period is not optional. Once consent is granted, architectural drawings follows for the SW18 property.

Tonsleys is characterised by victorian terraces, concentrated across SW18 in the Wandsworth / Earlsfield / Southfields area. Tonsleys is not uniform, but the victorian terraces recurs often enough across SW18 that the structural pattern is predictable once measured. Translated to the victorian terraces here: the side-return infill is the classic move on these Victorian terraces — 3 m of permitted development depth plus the width of the original side passage. We resolve it before the Tonsleys design is fixed. Because Tonsleys rows are consistent, the proposed elevation is drawn with neighbours on it.

No borough-specific basement policy applies in Wandsworth, so subterranean work at a Tonsleys address is judged on amenity, drainage and structural grounds. A Tonsleys survey done once feeds planning permission for SW18 properties and building regulations drawings later.

What the Tonsleys drawing pack contains

The drawing schedule for a Tonsleys project runs as follows.

• existing and proposed ground-floor plans for the Tonsleys property
• proposed rear elevation
• long section through the extension
• site and block plans
• party wall position drawing

Local landmarks that shape a Tonsleys application

• Tonsley Hill — schemes visible from it get closer scrutiny in Wandsworth.

Where Tonsleys sits

Tonsleys postcode coverage

Tonsleys work spans SW18 (Wandsworth / Earlsfield / Southfields), shared with Wandsworth Common, Earlsfield, Southfields, with the SW18 boundary setting which designations bite.

Streets and stations in Tonsleys

Areas we cover around Tonsleys

Besides Tonsleys: Coombe (KT2, KT3), Richmond (TW9, TW10), Twickenham (TW1, TW2), Kew (TW9), Barnes (SW13), East Sheen (SW14), plus Richmond upon Thames across the border.

A Tonsleys quote moves on what the building is, not on how long we spend: the victorian terraces, the party wall position, the Wandsworth Common 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.

Those statutory fees go to London Borough of Wandsworth on submission. London planning approval-rate dataset · Wandsworth planning · our London house extension drawings service · house extension drawings in Coombe.

Tonsleys work is issued under MCIAT charter, the technical-design and building-regulations qualification. Not every Tonsleys scheme is clear-cut. Where Wandsworth Common or the Tonsley Hill setting is in play, Wandsworth Council pre-application advice comes before the SW18 submission.

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.

We survey Tonsleys properties within a few days of instruction. This Tonsleys page was reviewed in August 2026.