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House Extension Drawings · Willesden · Brent

House Extension Drawings in Willesden |

Willesden and the surrounding NW10 streets, near enough 30% below the London architect norm. Brent Council is the decision-maker for Willesden; the NW10 district sets the constraints.

What is house extension drawings in Willesden?

For a Willesden property, house extension drawings means survey-based Willesden drawings for a rear, side or wrap-around extension in NW10. Brent Council determines them under Brent Local Plan policy — they fix the Willesden depth against permitted-development limits, answer the 45-degree amenity test Brent Council applies, and locate the party wall on the victorian terraces.

House Extension Drawings in Willesden — the local dataset

Willesden postcode districts
NW10 — Willesden / Harlesden / Kensal Green
Local planning authority
Brent Council (London Borough of Brent)
Dominant Willesden stock
Victorian terraces, Edwardian terraces
Statutory householder fee
£548, decided in 8 weeks
Landmarks near the NW10 sites we survey
Willesden Green Tube
Article 4 Direction
In force across Brent
Willesden character
Victorian terraces, Edwardian
Conservation areas in Brent
22, including Kensal Green Conservation Area
Adjoining borough
Barnet — nearest peer area Sand's End
First-time approval rate
98% across our London caseload
Willesden page reviewed
August 2026

Rear and side infill extension on a London terrace — house extensions
Permission or permitted development?

Do I need house extension drawings in Willesden?

An Article 4 Direction applies across Brent, so check it before assuming Willesden permitted development survives. The Willesden setting is Victorian terraces, Edwardian, which shapes what passes near Willesden Green Tube. Conservation status changes the Willesden route entirely — Kensal Green being the usual case among the 22 designations in Brent. Whether a Willesden plot sits inside the boundary changes the whole route.

Knowing how Article 4 directions apply to your NW10 address is the first thing we establish. Everything on a Willesden scheme is measured from the victorian terraces outward. The borough policy layer over every NW10 address is set out on Brent planning. The Willesden survey then carries into loft conversion drawings in Willesden if the project runs on to construction.

L-shaped side-return and rear extension on a Victorian terrace, Willesden, submitted to Brent Council
L-shaped side-return and rear extension on a Victorian terrace, Willesden, submitted to Brent Council
Brent programme

How long does Brent Council take to decide?

The NW10 bottleneck is validation. London Borough of Brent needs one to two weeks, and a missing drawing resets it. Survey first: we measure the Willesden property in person, then draw the existing plans, sections and elevations from that data.

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.

After validation a Willesden application is allocated to an officer, who will visit the NW10 address. The Willesden pack is validated against London Borough of Brent requirements before submission.

Neighbour comment is what shapes most Willesden decisions; policy rarely decides alone. The Willesden survey records every opening, level change and structural wall.

Shared walls are the norm in Willesden; the notice period is not optional. Once consent is granted, architectural drawings follows for the NW10 property.

Building stock

What Willesden's housing stock means for your plans

Willesden is characterised by victorian terraces, edwardian terraces, concentrated across NW10 in the Willesden / Harlesden / Kensal Green area. The victorian terraces that dominates Willesden behaves differently from the borough average, and the drawings follow the building rather than a house type. In practice on a Willesden job, 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. That is the Willesden constraint Brent Council will look for. Ridge and eaves lines along Willesden streets are the reference Brent Council uses.

Going down in Willesden is assessed on ordinary grounds — NW10 ground conditions and drainage do more to shape the scheme than policy does. Because the Willesden survey is drawn properly once, planning permission for NW10 properties and building regulations drawings build on it rather than starting again.

What the Willesden drawing pack contains

Contents of the NW10 drawing pack:

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

Streets and landmarks we survey around Willesden

  • Kensal Green — frontages visible from the highway, so Kensal Green materials detail governs the Kensal Green elevation.
  • Dollis Hill — terraced rear elevations — the Dollis Hill party wall position is drawn first.
  • Brondesbury Park — closet wings that change how a rear extension meets the Brondesbury Park back addition.
  • Queen's Park — side returns where the 45-degree amenity test decides how far a Queen's Park extension goes.
  • Kensal Rise — roof profiles that set the ridge datum Brent Council measures a Kensal Rise dormer against.
  • Roundwood Park — roof profiles that set the ridge datum Brent Council measures a Roundwood Park dormer against.
  • Gladstone Park — closet wings that change how a rear extension meets the Gladstone Park back addition.
  • Wembley Park — frontages visible from the highway, so Kensal Green materials detail governs the Wembley Park elevation.
  • Willesden Green Tube — sightlines from here are part of the Brent Council character assessment.
  • Old Oak Common — it fixes the local datum a Willesden roof extension is judged against.
  • Willesden Jewish Cemetery — Brent Council weighs NW10 sightlines to it in the character assessment.

Getting to a Willesden survey

Surveyors travel to NW10 addresses from the studio; the nearest stations are Willesden Green station, File:Willesdengreenstation.jpg, File:Willesden Green, Dollis Hill. Appointments are booked in Willesden on weekdays and Saturdays, and the measured survey of a standard victorian terraces takes two to three hours.

Where Willesden sits

Willesden lies 5 miles (8 km) west north-west of Charing Cross, on Ordnance Survey grid reference TQ227846, inside the Brent East parliamentary constituency. That is the reference the Willesden site plan is drawn over. Source.

Practical detail for a Willesden submission: the closest stations to a NW10 site are Willesden Green station and File:Willesdengreenstation.jpg and File:Willesden Green and Dollis Hill; post town for the area is LONDON; dialling code 020. Site plans are drawn to the address as Brent Council holds it.

Willesden postcode coverage

From NW10 (Willesden / Harlesden / Kensal Green), shared with Park Royal, Harlesden, Kensal Green, Neasden, the Willesden process is the same but the constraints are not.

Streets and stations in Willesden

Work in Willesden clusters around Kensal Green, Dollis Hill, Brondesbury Park, Queen's Park, Kensal Rise, Roundwood Park, Gladstone Park and Wembley Park. most Willesden sites are within walking distance of Willesden Green station or File:Willesdengreenstation.jpg or File:Willesden Green.

Areas we cover around Willesden

Beyond Willesden we cover Sand's End (SW6), Ealing Broadway (W5), Acton (W3), Hanwell (W7), West Ealing (W13), Southall (UB1, UB2), and cross into Barnet. A consent granted a mile from Willesden Green Tube is not a precedent for the plot next to it.

House Extension Drawings in Willesden — rear extension plans laid out on site
Rear extension plans laid out on site — house extension drawings in Willesden.
Fees and statutory charges

How much do house extension drawings cost in Willesden?

Two Willesden jobs differ in price because of the victorian terraces and the Kensal Green designation, never because of hours booked.

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.

On a Willesden submission the statutory element is London Borough of Brent's, not ours. London planning approval-rate dataset · Brent planning · the London house extension drawings pillar page · house extension drawings in Sand's End.

Who draws your plans

MCIAT chartered technologists working across Brent

We are architectural technologists, MCIAT chartered, and every Willesden set carries that accountability. Where a Willesden case is borderline — a corner plot near Willesden Green Tube, a Kensal Green frontage, a flank wall hard onto a NW10 neighbour — we buy pre-application advice from Brent 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.

One visit to the NW10 property is all we need to quote properly. This Willesden page was reviewed in August 2026.

Willesden questions

House Extension Drawings in Willesden — common questions

When is house extension drawings required on a NW10 house?

Many NW10 projects do not. If the Willesden property is an unlisted house clear of Kensal Green, permitted development may cover it. An Article 4 Direction applies across Brent, so check it before assuming Willesden permitted development survives. Where a future sale is in view we still file a £274 certificate as evidence.

Which conservation area covers Willesden?

Of the 22 conservation areas in Brent, Kensal Green is the one that reaches Willesden stock most often. Inside it, expect reduced permitted development and a closer read of the Willesden Green Tube streetscape.

Is your Willesden service suited to period property?

Mostly victorian terraces, edwardian terraces, concentrated in NW10 (Willesden / Harlesden / Kensal Green). We measure each Willesden property with a laser rather than working from a sale particular, because the victorian terraces rarely matches its original drawings.

Which areas around Willesden do you cover?

Yes — Sand's End and the rest of Brent, plus the adjoining borough of Barnet. Willesden keeps its own page because the NW10 designations and the victorian terraces do not match what sits a mile away.

House Extension Drawings in Willesden — an L-shaped rear extension to a London terrace
An l-shaped rear extension to a london terrace — house extension drawings in Willesden.
Other packages in Willesden

Related drawings for NW10 properties

House Extension Drawings near Willesden

house extensions · Brent planning · the London house extension drawings pillar page

House Extension Drawings in Willesden

We survey Willesden free, quote the same day, and submit to Brent Council ourselves.

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