Planning application
20 Harlescott Road London Southwark SE15 3BZ
Works: Extension Small domestic
Read from the description, not a valuation. How we read the register
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Construction of a single storey ground floor wraparound rear extension.
As published by the council, reference 26/AP/0394
Application record
- Reference
- 26/AP/0394
- Type
- Householder Application
- Status
- Granted
- Decision
- Householder - GRANTED
- Received
- 10 Feb 2026
- Validated
- 12 Feb 2026
- Decided
- 7 Apr 2026
- Ward
- Peckham Rye
- Parish
- Peckham And Nunhead
- Decision by
- Delegated Panel - Simple
- Postcode
- SE15 3BZ
Site history
Applications at this address on the Southwark register
This site has had 2 applications since 2026: 2 approved, 0 refused.
-
26/AP/0307 Granted
20 Harlescott Road London Southwark SE15 3BZ
Certificate of lawfulness (proposed) for conversion of Loft including formation of rear dormer and outrigger with skylights to front roof slope.
Timeline
Dates from the published record
-
10 Feb 2026
Received by Southwark
-
12 Feb 2026
Validated
Checked as complete and ready for consideration.
-
7 Apr 2026
Decision issued: Householder - GRANTED
-
10 Aug 2026
Added to PlanIndex
Who's behind it
Company information only, from the register and Companies House
Agent on file, a design practice registered in Dartford
16 applications on PlanIndex · across 4 councils · 67% granted
Trade members see who it is, their full track record, and every application they have filed.
See who's behind itDocuments
Plans, drawings, consultee responses and the officer's report
11 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.
Trade members open them from here.
Open the documentsWhat this grant of permission means
Southwark granted permission on 7 April 2026, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. More in our guide to what happens after a planning decision.
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 500 metres
-
20 Harlescott Road London Southwark SE15 3BZ
Certificate of lawfulness (proposed) for conversion of Loft including formation of rear dormer and outrigger with skylights to front roof slope.
Granted Lawful development Extension Loft or dormer 9 docs -
22 Harlescott Road London Southwark SE15 3BZ
95% historically approved · decision due ~6 Jan
Certificate of lawful development (proposed) for a roof dormer over the main roof slope, a dormer over the existing rear projection and alterations to the existing ground floor outrigger. Please refer to supporting documents for details.
Awaiting decision Lawful development Extension Loft or dormer 11 docs -
22 Harlescott Road London Southwark SE15 3BZ
95% historically approved · decision due ~8 Jan
Construction of a roof dormer, over the rear pitch of the main roof, a dormer over the existing rear projection and alterations to the existing ground floor rear extension.
Awaiting decision Householder Extension Loft or dormer 18 docsDomestic -
6 Harlescott Road London Southwark SE15 3BZ
Construction of a L-shaped dormer loft extension to the rear with a ridge line raise of 500mm and installation of 2no rooflights to the front roof slope.
Granted Householder Extension Loft or dormer 14 docsDomestic -
20 Limesford Road London Southwark SE15 3BX
Erection of a single-storey side infill extension to the rear.
Granted Householder Extension 22 docsSmall domestic -
220 Ivydale Road London Southwark SE15 3BU
Construction of an L-shaped rear dormer over the main roof and outrigger roof, including ridge height raise by 400mm, removal of the outrigger chimney, and insertion of 3no. rooflights to the front slope of the main roof and one upward facing rooflight on the main dormer flat roof.
Granted Householder Extension Loft or dormer +1 12 docsDomestic
Other householder applications
In Southwark
-
26/AP/0707 Granted
33 Abbotswood Road London Southwark SE22 8DJ
Construction of a rear dormer extension and ground floor rear extension.
-
26/AP/0784 Granted
60 Grove Park London Southwark SE5 8LF
Refurbishment of the property including replacement of glazing with thermally efficient conservation windows templated after originals, construction of a single-storey rear extension, a loft extension, minor internal partition alterations, and removal of external soil vent pipes.
-
26/AP/1488 Granted
15 Canon Beck Road London Southwark SE16 7DJ
Loft conversion including the insertion of 2 no. rooflights to the front roof slope; conversion of the existing garage to a habitable room with an associated window to replace the existing garage door on the front elevation, installation of an Air Source Heat Pump and other alterations to the rear elevation fenestration at ground floor level.
-
26/AP/0971 Granted
86 Henslowe Road London Southwark SE22 0AS
Retrospective planning permission for alterations to front garden layout including a front porch with projecting canopy, alterations to window apertures and fenestration, provision of cycle and refuses stores, along with hard and soft landscaping. new bin store and raised porch roof and revisions to front elevation fenestration.
-
26/AP/1519 Granted
61 Tyrrell Road London Southwark SE22 9NE
Construction for a rear and side wrap around ground floor extension