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Planning application

17 Piermont Road London Southwark SE22 0LN

Granted Southwark 26/AP/2339

Works: Extension Loft or dormer 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 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
Granted
Decision
Granted
Received
5 Aug 2026
Validated
6 Aug 2026
Ward
Dulwich Hill
Parish
Dulwich
Postcode
SE22 0LN

Site history

Applications at this address on the Southwark register

This site has had 2 applications since 2020: 2 approved, 0 refused.

  • 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.

    Decided 26 Jan 2021 Lawful development

Timeline

Dates from the published record

  1. 5 Aug 2026

    Received by Southwark

  2. 6 Aug 2026

    Validated

    Checked as complete and ready for consideration.

  3. 9 Aug 2026

    Added to PlanIndex

  4. 30 Sep 2026

    Status changed to Granted

    Previously Under consideration/assessment.

Documents

Plans, drawings, consultee responses and the officer's report

20 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 documents

What this grant of permission means

Southwark granted permission, 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 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 0.3 miles

  • 16 Piermont Road London Southwark SE22 0LN

    20/AP/1801 Submitted 2 Jul 2020 50 yards away

    Certificate of lawfulness (proposed) for mansard roof extension to rear of property, and above part of the rear outrigger, with two flush roof lights to front roof slope.

    Granted Lawful development Extension Loft or dormer 29 docs

  • 17 Piermont Road London Southwark SE22 0LN

    20/AP/3692 Submitted 15 Dec 2020 50 yards away

    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

    22/AP/2667 Submitted 25 Jul 2022 50 yards away

    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 docs
    Domestic

  • 9 Piermont Green London Southwark SE22 0LW

    22/AP/2666 Submitted 25 Jul 2022 50 yards away

    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

    26/AP/0542 Submitted 24 Feb 2026 100 yards away

    Retrospective application for construction of a garden room to be in residential use ancillary to the main dwelling house.

    Granted Householder 11 docs
    Small domestic

  • 70 Upland Road London Southwark SE22 0DB

    22/AP/0941 Submitted 9 Mar 2022 100 yards away

    Construction of ground and first floor extensions at the rear and off-street car parking.

    Granted Householder Extension 12 docs
    Domestic