Planning application
103 St Elmo Road London W12 9DY
Works: Extension Loft or dormer Small domestic
Read from the description, not a valuation. How we read the register
Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.
Proposal
Single storey side/rear (wraparound) extension; first floor rear extension; rear roof extension; rear outrigger roof extension; and installation of two rooflights to the front roofslope
As published by the council, reference 261190HH
Application record
- Reference
- 261190HH
- Type
- Householder
- Status
- Pending Consideration
- Received
- 18 Mar 2026
- Validated
- 18 Mar 2026
- Ward
- Southfield
- Postcode
- W12 9DY
Site history
Applications at this address on the Old Oak and Park Royal Development Corporation register
This site has had 2 applications since 2026.
-
263003CONS Awaiting decision
103 St Elmo Road London W12 9DY
Single storey side/rear (wraparound) extension; first floor rear extension; rear roof extension; rear outrigger roof extension; and installation of two rooflights to the front roof slope. (Out of Borough)
Timeline
Dates from the published record
-
18 Mar 2026
Received by Old Oak and Park Royal Development Corporation
-
3 Aug 2026
Added to PlanIndex
-
Decision
Awaiting decision
Decision expected by 13 May 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.
Old Oak and Park Royal Development Corporation took a median of 55 days over the applications it decided in the last year.
Documents
Plans, drawings, consultee responses and the officer's report
17 documents on file for this application
A planning file usually holds the application form, drawings and site plans, consultee responses, the officer's report and the decision notice.
Watch members (£5 a month) open the document list from here.
Open the documentsWhat happens while it is decided
This application is with Old Oak and Park Royal Development Corporation for determination, against a statutory target of eight weeks. Over the last year Old Oak and Park Royal Development Corporation decided householder applications in a median of 59 days. More in our guide to how long planning decisions take.
About householder applications
Householder applications cover work to an existing house and its garden, such as extensions, lofts and outbuildings, and cannot create a separate dwelling or change what the building is used for. More in our guide to planning application types.
Nearby applications
Within 0.3 miles
-
103 St Elmo Road London W12 9DY
89% historically approved · decision due ~13 May
Single storey side/rear (wraparound) extension; first floor rear extension; rear roof extension; rear outrigger roof extension; and installation of two rooflights to the front roofslope
Awaiting decision Householder Extension Loft or dormer 17 docsSmall domestic -
111 St Elmo Road London W12 9DY
Erection of a rear roof extension to main roofslope; roof extension to rear outrigger; and installation of three rooflights to front roofslope.
Granted Extension Loft or dormer 6 docs -
38 St Elmo Road, London, W12 9DX
98% historically approved · decision due ~21 Sep
Replacement of existing single glazed timber framed windows with new double glazed timber framed windows to the front, rear and right side elevations; replacement of existing single glazed timber framed door with new double glazed timber framed door at lower ground floor level to the rear elevation.
Awaiting decision Full applications Windows or glazing 20 docs -
46 St Elmo Road, London, W12 9DX
Erection of a rear extension at first floor level, on top of the existing back addition; installation of a door to rear elevation at second floor level and erection of glass screening around flat roof at second floor level in connection with its use as a terrace.
Refused Full applications Extension 15 docs -
46 St Elmo Road, London, W12 9DX
Erection of a single storey rear extension at lower ground floor level; erection of an extension to the side of the existing back addition at upper ground floor level; erection of glass screening around part of the flat roof at upper ground floor level in connection with its use as a terrace.
Refused Full applications Extension 19 docsSmall domestic -
44A St Elmo Road London W12 9DX
98% historically approved · decision due ~5 Feb
Erection of a single storey timber outbuilding with a pitched roof to the rear of the rear garden.
Awaiting decision Full applications 13 docsSmall domestic
Other householder applications
In Old Oak and Park Royal Development Corporation
-
262218HH Granted
67 Woodfield Road Ealing W5 1SR
Rear roof extension; installation of a rooflight on the rear roof slope; and associated internal and external alterations
-
261961HH Granted
28 Ludlow Road Ealing W5 1NY
Replacement of existing single glazed windows and doors with double glazed and internal amendments
-
261866HH Granted
33 Carlton Road Chiswick W4 5DY
Single-storey side and rear extension; extension to the rear roof to form a second floor above the existing outrigger (including the construction of a new wall along the side elevation to support the structure); installation of one rooflight within the existing rear roof dormer; alterations to fenestration involving the replacement of an existing rear window with a door; and Formation of a new window and door opening associated with a porch canopy in the side elevation at ground-floor level.
-
262779HH Refused
14 Summit Road Northolt UB5 5HJ
Two storey side extension; part single, part two storey rear extension (following demolition of existing single-storey rear extension); alteration of roof from hip to gable end; rear roof extension incorporating a Juliet balcony and installation of three rooflights to front roofslope
-
262778HH Refused
406 Lady Margaret Road Southall UB1 2NL
Part single, part two-storey side/rear extension (following demolition of existing single-storey side extension); front porch extension (following demolition of existing front porch); alteration of roof from hip to gable end; rear roof extension, and installation of two rooflights to front roofslope