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Free 2026 London Planning Report — Side Return Extension Drawings in West Ealing W13

Loft conversion bedroom with skylights in a West Ealing W13 Edwardian home
West Ealing · W13 · Ealing

Side Return Extension Drawings in West Ealing W13

Fixed-fee, MCIAT-chartered side return extension drawings for West Ealing (W13) homeowners — London Borough of Ealing validation and local constraints handled from the start.

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In West Ealing (W13) we draw up planning and building-control packages for rear kitchen extensions, loft conversions and refurbishments on the district's Edwardian terraces and villas.

The St Stephen's and Ealing Green conservation areas mean side extensions and roof changes get closer scrutiny, so we check whether your address sits inside the boundary before choosing between permitted development and a full application.

Loft conversion bedroom with skylights in a West Ealing W13 Edwardian home
Isometric illustration of a West Ealing W13 home side return extension drawings design
Proposed floor plan
West Ealing W13

Planning in West Ealing (W13): what to know before you apply

There is no Article 4 direction on the W13 conservation areas, but conservation-area status still removes some permitted-development rights and adds design scrutiny. Homes outside the boundary often keep full rear-extension and loft PD allowances, which we confirm case by case.

Typical West Ealing housing stock

West Ealing is dominated by late-Victorian and Edwardian terraces and semi-detached villas laid out around Northfield Avenue and the St Stephen's streets, many with generous rear gardens suited to extensions.

Streets we regularly draw for in West Ealing

St Stephen's Road · St Stephen's Avenue · Craven Avenue · Cleveland Road

Side Return Extension Drawings for West Ealing (W13) homes: the package and the process

Every side return extension drawings we prepare for an West Ealing property is drawn to London Borough of Ealing’s validation standards and tuned to the W13 constraints above. Here is what the drawing package covers and how the process runs from first survey to approval.

Behind most London terraces sits a narrow side alley, a metre or so wide, running from the front boundary to the back garden. A side return extension builds into that alley at ground floor, pushing the kitchen wall out to line up with the rest of the house and topping the new space with a glazed or pitched roof — often the single biggest transformation available to a galley kitchen without touching the garden at all. Because the alley typically sits hard against next door's boundary wall, this is also the extension type most likely to involve your neighbour directly, both through the planning application and through the Party Wall process.

DrawingsDirect draws side return extensions for full planning, coordinates the Party Wall paperwork your neighbour will need to see, and produces the structural calculations for the beam that carries the new roof, all under one MCIAT-chartered team and one fixed fee. If you are also extending the rear at the same time, our Wraparound Extension page covers the combined project.

Do I need planning permission for a side return extension in London?

Permitted development rights for side extensions are narrower than for rear extensions: they generally cap the extension at a single storey, restrict its width to no more than half the width of the original house, and limit its height. In practice, a full-depth side return running the length of a Victorian or Edwardian terrace usually exceeds one or more of these limits, so most side return projects are drawn and submitted as a full householder planning application.

Conservation area status and Article 4 directions, common across inner London terraces, remove permitted development rights for side extensions entirely in many streets, reinforcing the need for a planning application. We check your property's status before drawing.

What does a side return extension involve?

A side return infills the alley at ground floor level, structurally opening the original flank wall of the kitchen into the new space so the two areas read as one room. Unlike a rear extension, which is bounded on three sides by your own garden, a side return is bounded on one long side by the neighbouring property, which shapes almost every decision in the design, from where the roof glazing sits to how deep the new foundations need to go.

  • New flank wall built out to align with the rear of the house, following the boundary line
  • Original external wall between kitchen and alley opened up and supported on a steel or glulam beam
  • Roof over the new space either glazed in full, glazed in a strip along the boundary for a 'light well' effect, or pitched and tiled to match the main roof
  • Kitchen re-planned across the combined footprint, often incorporating an island once the room widens
Side return project options
PackageWhat it coversTypical fee
Side return, planning onlyFull householder planning application drawings for the infillFull Planning pack ~£1,600–£2,400
Side return, planning + Building RegulationsAdds structural calculations, Party Wall drawings and construction detailPlanning + Building Regs pack ~£2,200–£3,850
Side return + rear extension (wraparound)Combines both extensions into one L-shaped ground floorsee Wraparound Extension Drawings
Measured survey onlyA measured existing floor-plan set for your own architect, surveyor or builderfrom £450

Also in West Ealing W13

Planning PermissionPlanning DrawingsArchitectural DrawingsBuilding Regulations DrawingsLoft Conversion DrawingsSide Return Extension Drawings across EalingSide Return Extension Drawings across London
FAQ

Side Return Extension Drawings in West Ealing W13 — FAQs

How much does a side return extension cost to design in London?+
Side return drawings start from £1,400. The final fee depends on whether you commission planning drawings alone or a combined planning and building regulations package with structural calculations, all fixed and agreed upfront.
Can I build a side return under permitted development?+
Rarely for a full-width, full-depth side return. Permitted development for side extensions is limited on width and storeys, and most Victorian and Edwardian terraces sit in conservation areas that remove these rights anyway, so a full planning application is the usual route. We still check your specific property first, since some semi-detached and detached houses outside conservation areas retain more generous side-extension allowances.
When do I need to serve Party Wall notice on my neighbour?+
Before work starts, and ideally once your drawings and structural design are settled, since the notice needs accurate dimensions. We can prepare the supporting drawings alongside your planning application so both processes run in parallel.
Do I need an architect for a side return extension?+
No. DrawingsDirect is an MCIAT-chartered architectural technologist practice, so you get the same council-accepted drawings as an architect, for a fixed fee typically around 30% lower, with structural calculations produced in-house.
How long does a side return extension take to design and approve?+
Drawings are typically ready around 7 days from survey. A householder planning application then has a statutory 8-week determination period, running alongside your Party Wall notice period.
Do I need planning permission for a rear extension in Ealing?+
Many Ealing semis and terraces keep permitted development rights for a single-storey rear extension, so a full application isn't always needed. But the borough-wide Article 4 direction on HMO conversions, and conservation areas such as Bedford Park and Pitshanger, remove or restrict those rights in places. We check your address against the designations first and, where it qualifies, confirm permitted development with a Lawful Development Certificate.
What extra control applies in Bedford Park?+
Bedford Park is one of West London's most tightly controlled conservation areas, with detailed control over materials, rooflines, windows and front elevations. A standard permitted-development dormer or cladding change usually won't apply; instead we design to the area's Arts-and-Crafts character and prepare a full householder application with the elevations and materials the council expects — the reliable route to approval there.
How long does Ealing Council take to decide a householder application?+
Ealing determines most householder applications within the statutory eight-week period once they are validated. The commonest cause of delay is a validation query over missing or inconsistent drawings, so we prepare Ealing submissions to the council's validation checklist — correctly scaled existing and proposed plans, elevations and a location plan — to avoid that back-and-forth.
Can you help with a loft conversion on a 1930s Ealing semi?+
Yes. Ealing's Metro-land semis in Perivale, Greenford and Northolt suit hip-to-gable and dormer loft conversions, which frequently qualify as permitted development on semi-detached homes within the volume limits. We confirm eligibility against those limits and any Article 4 or conservation constraint, then produce the planning and building-regulations drawings.
How much do planning drawings cost in Ealing?+
We work to a fixed fee agreed before we start, typically around 30% below an architect's charge for the same council-accepted drawings, with free redraws until Ealing grants approval. The exact figure depends on the project — a single-storey rear extension differs from a double-storey or a loft — so we quote once we understand your scheme rather than on an open-ended hourly basis.
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