020 7864 7245 [email protected] WhatsApp
House Extension Drawings · Nightingale Triangle · Wandsworth

House Extension Drawings in Nightingale Triangle |

MCIAT chartered extension plans for Nightingale Triangle and the wider SW12 area, around 30% below typical London architect rates. The authority for Nightingale Triangle is Wandsworth Council; the policy is the Wandsworth Local Plan; the address sits in SW12.

What is house extension drawings in Nightingale Triangle?

A Nightingale Triangle owner needs house extension drawings because they are survey-based Nightingale Triangle drawings for a rear, side or wrap-around extension in SW12. they fix the Nightingale Triangle depth against permitted-development limits, answer the 45-degree amenity test Wandsworth Council applies, and locate the party wall on the edwardian terraces and villas, and Wandsworth Council applies the Wandsworth Local Plan to the SW12 site.

House Extension Drawings in Nightingale Triangle — the local dataset

Nightingale Triangle postcode districts
SW12 — Balham
Local planning authority
Wandsworth Council (London Borough of Wandsworth)
Dominant Nightingale Triangle stock
Edwardian terraces and villas
Statutory householder fee
£548, decided in 8 weeks
Landmarks near the SW12 sites we survey
Nightingale Lane
Article 4 Direction
In force across Wandsworth
Nightingale Triangle character
Edwardian conservation area
Conservation areas in Wandsworth
45, including Magdalen Park Conservation Area
Adjoining borough
Richmond upon Thames — nearest peer area Colliers Wood
First-time approval rate
98% across our London caseload
Nightingale Triangle page reviewed
August 2026

Completed house extension project in London — house extensions
Local planning context

Do I need house extension drawings in Nightingale Triangle?

An Article 4 Direction applies across Wandsworth, so check it before assuming Nightingale Triangle permitted development survives. Being Edwardian conservation area, Nightingale Triangle rewards schemes that sit quietly beside Nightingale Lane. Conservation status changes the Nightingale Triangle route entirely — Magdalen Park being the usual case among the 45 designations in Wandsworth. Every Nightingale Triangle enquiry starts with that check.

Every SW12 job starts with checking Article 4 directions street by street. What can be built on a Nightingale Triangle plot is decided by the edwardian terraces and villas — the original rear wall position first, the Nightingale Lane roofline second. The borough policy layer over every SW12 address is set out on Wandsworth planning. The Nightingale Triangle survey then carries into loft conversion drawings in Nightingale Triangle if the project runs on to construction.

Drawing set for edwardian terraces and villas in Nightingale Triangle — proposed rear extension plan and section
Drawing set for a edwardian terraces and villas in Nightingale Triangle — proposed rear extension plan and section for a edwardian terraces and villas
How long it runs

How long does Wandsworth Council take to decide?

Allow one to two weeks of London Borough of Wandsworth validation on any SW12 application. We start with a full laser survey of the Nightingale Triangle address so the existing set is dimensionally right before anything proposed is drawn.

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.

Officer queries on a Nightingale Triangle application come to us, not to you. Each SW12 drawing carries the address, scale, north point and revision.

Objections on a Nightingale Triangle case usually come from the immediate neighbours, not the wider SW12 area. The Nightingale Triangle existing set is accurate to the millimetre where it matters.

Serve party wall notices early where SW12 neighbours share a flank wall — on Nightingale Triangle terraces they nearly always do. Once consent is granted, architectural drawings follows for the SW12 property.

SW12 housing stock

What Nightingale Triangle's housing stock means for your plans

Nightingale Triangle is characterised by edwardian terraces and villas, concentrated across SW12 in the Balham area. What the edwardian terraces and villas in Nightingale Triangle allows is a construction question first and a planning question second, and the survey answers it. Reading that across to Nightingale Triangle stock: edwardian plots here are wider, so a wraparound picking up both the side return and the rear is normally achievable within the 4 m detached / 3 m attached limits. That detail drives the SW12 construction sequence. Case officers at Wandsworth Council look first at whether a SW12 scheme keeps the eaves and ridge line of the Nightingale Triangle row.

Subterranean SW12 work needs a structural case as much as a planning one. planning permission for SW12 properties and building regulations drawings build on the existing Nightingale Triangle survey data.

What the Nightingale Triangle drawing pack contains

The drawing schedule for a Nightingale Triangle project runs as follows.

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

Local landmarks that shape a Nightingale Triangle application

  • Nightingale Lane — it fixes the local datum a Nightingale Triangle roof extension is judged against.

Where Nightingale Triangle sits

Nightingale Triangle postcode coverage

Nightingale Triangle work spans SW12 (Balham), shared with Balham, with the SW12 boundary setting which designations bite.

Streets and stations in Nightingale Triangle

Areas we cover around Nightingale Triangle

Nightingale Triangle sits in a patch that also takes in Colliers Wood (SW19), South Wimbledon (SW19), Kingston (KT1, KT2), Surbiton (KT5, KT6), New Malden (KT3), Chessington (KT9), and we work all of it as far as the Richmond upon Thames boundary.

House Extension Drawings in Nightingale Triangle — a flat-roof rear extension with rooflights
A flat-roof rear extension with rooflights — house extension drawings in Nightingale Triangle.
Price and statutory fees

How much do house extension drawings cost in Nightingale Triangle?

Price differences between Nightingale Triangle projects come from the fabric — the edwardian terraces and villas, level changes, and any Magdalen Park heritage requirement.

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.

None of the London Borough of Wandsworth statutory fee reaches us on a Nightingale Triangle job. London planning approval-rate dataset · Wandsworth planning · house extension drawings across London · house extension drawings in Colliers Wood.

Who signs the drawings

MCIAT chartered technologists working across Wandsworth

An MCIAT chartered technologist takes the Nightingale Triangle project from survey to decision. Where a Nightingale Triangle case is borderline — a corner plot near Nightingale Lane, a Magdalen Park frontage, a flank wall hard onto a SW12 neighbour — we buy pre-application advice from Wandsworth Council rather than gamble the statutory 8 weeks.

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.

The first step for a Nightingale Triangle owner is a measured survey, not a design. This Nightingale Triangle page was reviewed in August 2026.

Nightingale Triangle questions

House Extension Drawings in Nightingale Triangle — common questions

When is house extension drawings required on a SW12 house?

Not for every Nightingale Triangle project. Where the house is unlisted and clear of Magdalen Park, permitted development may cover the work. An Article 4 Direction applies across Wandsworth, so check it before assuming Nightingale Triangle permitted development survives.

Which conservation area covers Nightingale Triangle?

Check Magdalen Park first. Wandsworth designates 45 areas, and Nightingale Triangle sits against that one most often.

Is your Nightingale Triangle service suited to period property?

Mainly edwardian terraces and villas in Nightingale Triangle, all of it laser-measured before design.

Is Nightingale Triangle the only area you cover?

Yes — Colliers Wood and the rest of Wandsworth, plus the adjoining borough of Richmond upon Thames. Nightingale Triangle keeps its own page because the SW12 designations and the edwardian terraces and villas do not match what sits a mile away.

House Extension Drawings in Nightingale Triangle — a two-storey extension with a balcony
A two-storey extension with a balcony — house extension drawings in Nightingale Triangle.
Other packages in Nightingale Triangle

Related drawings for SW12 properties

House Extension Drawings near Nightingale Triangle

house extensions · Wandsworth planning · house extension drawings across London

House Extension Drawings in Nightingale Triangle

Book a free Nightingale Triangle survey — same-day quote, MCIAT chartered throughout.

Get my quote

Found this useful? Share it

Copies the headline and the link, ready to paste anywhere — helpful if you are planning an extension with a neighbour, builder or architect.