Planning application
17 Piermont Road London Southwark SE22 0LN
Works: Extension Loft or dormer
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
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.
As published by the council, reference 20/AP/3692
Application record
- Reference
- 20/AP/3692
- Type
- Certificate of Lawful Dev. - Proposed
- Status
- Granted
- Decision
- Granted As published: Certificate of Lawfulness Prop- GRANTED
- Received
- 15 Dec 2020
- Validated
- 16 Dec 2020
- Decided
- 26 Jan 2021
- Ward
- Dulwich Hill
- Parish
- Dulwich
- Decision by
- Delegated Panel - Trees
- 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.
-
26/AP/2339 Granted
17 Piermont Road London Southwark SE22 0LN
Construction of a ground floor single-storey rear and side extension and reconfiguration of existing side-return roof including replacement of existing Velux rooflights.
Timeline
Dates from the published record
-
15 Dec 2020
Received by Southwark
-
16 Dec 2020
Validated
Checked as complete and ready for consideration.
-
26 Jan 2021
Decision issued: Certificate of Lawfulness Prop- GRANTED
-
4 Aug 2026
Added to PlanIndex
Who's behind it
Company information only, from the register and Companies House
Turner Architects Ltd Agent, an architecture practice registered in London
Active · incorporated 2013 · London
41 applications on PlanIndex · across 8 councils · 81% granted
Trade members see everything this firm has filed, how it was decided, and get an email the day it files again.
See their track recordDocuments
Plans, drawings, consultee responses and the officer's report
15 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.
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Open the documentsWhat this grant of permission means
Southwark granted permission on 26 January 2021, 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 lawful development applications
A lawful development certificate is a legal determination that existing or proposed works do not need planning permission; the merits of the scheme are not considered. More in our guide to planning application types.
Nearby applications
Within 0.3 miles
-
16 Piermont Road London Southwark SE22 0LN
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
Construction of a ground floor single-storey rear and side extension and reconfiguration of existing side-return roof including replacement of existing Velux rooflights.
Granted Extension Loft or dormer 20 docsSmall domestic -
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 -
86 And 87 St Aidans Road London Southwark SE22 0RW
96% historically approved · decision due ~28 Oct
Details of condition 10 (Refuse Storage) as required by planning permission ref. 25/AP/1726 dated ref. 12/02/2026 for 'Amalgamation of maisonette flats to into a 3 bedroom house and demolition of existing 2 storey extension for the construction of a new build 3 bedroom house'.
Awaiting decision Conditions New dwelling Extension +1 4 docs -
86 And 87 St Aidans Road London Southwark SE22 0RW
96% historically approved · decision due ~28 Oct
Details of condition 9 (Detailed Drawings Of A Hard And Soft Landscaping) as required by planning permission ref. 25/AP/1726 dated ref. 12/02/2026 for 'Amalgamation of maisonette flats to into a 3 bedroom house and demolition of existing 2 storey extension for the construction of a new build 3 bedroom house'.
Awaiting decision Conditions New dwelling Extension +1 5 docs
Other lawful development applications
In Southwark
-
26/AP/2574 Awaiting decision
23 Alberta Street London Southwark SE17 3SF
Certificate of lawfulness (proposed) for construction of a rear dormer and the installation of 1x rooflight to the front roofslope.
-
26/AP/2509 Awaiting decision
Newington Gardens Harper Road London Southwark SE1
Certificate of Lawfulness (proposed) for improvement works to the playground at Newington Gardens to include the removal of current playground equipment and installation of new accessible equipment.
-
26/AP/1673 Granted
Flat 67 Benbow House 24 New Globe Walk London Southwark SE1 9DS
Certificate of Lawful Development to replace existing external doors with new thermally improved doors
-
26/AP/1909 Granted
6 Ethnard Road London Southwark SE15 1RU
Certificate of lawfulness (proposed) for a loft conversion with rear dormer
-
26/AP/2486 Awaiting decision
84 Croxted Road London Southwark SE21 8NP
Certificate of lawfulness (proposed) for the formation of a moveable structure (as defined under the Caravan Site Act) that can be separated into 2 sections and removed from the rear garden by crane. Refer to the following drawings: 318 SP 00 (PD) 318 SP 01 (PD) 318 SP 101 (PD) 318 GS 01 (PD) 318 GS 02 (PD)