Planning application
17 Piermont Road London Southwark SE22 0LN
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
Construction of a ground floor single-storey rear and side extension and reconfiguration of existing side-return roof including replacement of existing Velux rooflights.
As published by the council, reference 26/AP/2339
Application record
- Reference
- 26/AP/2339
- Status
- Under consideration/assessment
- Received
- 5 Aug 2026
- Validated
- 6 Aug 2026
- Postcode
- SE22 0LN
Site history
Applications at this address on the Southwark register
This site has had 2 applications since 2020: 1 approved, 0 refused.
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20/AP/3692 Granted
17 Piermont Road London Southwark SE22 0LN
Certificate of lawful development (proposed) for the construction of a dormer roof extension at roof level over rear portion of main house and outrigger; installation of 3 x rooflights to front elevtion and 1x roof light to dormer.
Timeline
Dates from the published record
-
5 Aug 2026
Received by Southwark
-
6 Aug 2026
Validated
Checked as complete and ready for consideration.
-
9 Aug 2026
Added to PlanIndex
-
Decision
Awaiting decision
Decision expected by 1 October 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.
Southwark took a median of 52 days over the applications it decided in the last year.
What happens while it is decided
This application is with Southwark for determination, against a statutory target of eight weeks. Over the last year Southwark's median decision took 52 days. More in our guide to how long planning decisions take.
About this record
The published feed does not state which type of application this is; the register entry on Southwark's portal will say. Our guide explains the common types.
Nearby applications
Within 500 metres
-
17 Piermont Road London Southwark SE22 0LN
Certificate of lawful development (proposed) for the construction of a dormer roof extension at roof level over rear portion of main house and outrigger; installation of 3 x rooflights to front elevtion and 1x roof light to dormer.
Granted Lawful development Extension Loft or dormer 15 docs -
9 Piermont Green London Southwark SE22 0LW
Loft conversion including hip to gable extension and 2no roof lights in the front pitch and solar panels on rear roof top.
Granted Householder Extension Loft or dormer 30 docsDomestic -
9 Piermont Green London Southwark SE22 0LW
Certificate of lawfulness for a proposed loft conversion including hip to gable extension, insertion of two roof lights to the front pitch, insertion of two windows to side elevation, removal of chimney and installation of nine solar panels
Refused Lawful development Extension Loft or dormer +1 30 docs -
70 Upland Road London Southwark SE22 0DB
Retrospective application for construction of a garden room to be in residential use ancillary to the main dwelling house.
Granted Householder 11 docsSmall domestic -
70 Upland Road London Southwark SE22 0DB
Non material amendment of planning permission 22/AP/0941: Construction of ground and first floor extensions at the rear and off-street car parking.NMA sought: 1. to reduce the ground floor width so that is it in line with the building;2. change the materials;3. add windows to the side elevation;
Decided Conditions Extension Windows or glazing 8 docs -
70 Upland Road London Southwark SE22 0DB
Certificate of lawful development (existing) confirming lawfulness of a garden room located at the rear of the garden.
Granted Lawful development 8 docs