Planning application
42 Holmdene Avenue London Southwark SE24 9LF
Works: Extension Loft or dormer
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Certificate of lawfulness (proposed) for the installation of photovoltaic solar panels onto the flat roof of a previously consented loft conversion and sloped outrigger
As published by the council, reference 26/AP/0658
Application record
- Reference
- 26/AP/0658
- Type
- Certificate of Lawful Dev. - Proposed
- Status
- Granted
- Decision
- Certificate of Lawfulness Prop- GRANTED
- Received
- 5 Mar 2026
- Validated
- 13 Mar 2026
- Decided
- 14 Apr 2026
- Ward
- Dulwich Village
- Parish
- Dulwich
- Decision by
- Delegated - GOLD
- Postcode
- SE24 9LF
Site history
Applications at this address on the Southwark register
This site has had 2 applications since 2025: 1 approved, 0 refused.
-
25/AP/3217 Awaiting decision
42 Holmdene Avenue London Southwark SE24 9LF
Construction of a rear dormer extension and the addition of 3no. roof lights to front roof slope.
Timeline
Dates from the published record
-
5 Mar 2026
Received by Southwark
-
13 Mar 2026
Validated
Checked as complete and ready for consideration.
-
14 Apr 2026
Decision issued: Certificate of Lawfulness Prop- GRANTED
-
10 Aug 2026
Added to PlanIndex
Who's behind it
Company information only, from the register and Companies House
Agent on file
17 applications on PlanIndex · across 6 councils · 100% 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
8 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 14 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 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 500 metres
-
42 Holmdene Avenue London Southwark SE24 9LF
95% historically approved · decision due ~30 Dec
Construction of a rear dormer extension and the addition of 3no. roof lights to front roof slope.
Awaiting decision Householder Extension Loft or dormer 8 docsDomestic -
41 Hollingbourne Road London Southwark SE24 9NB
Demolition of existing rear part of outrigger and construction of a single storey wrap around extension.
Granted Householder Extension Demolition 13 docsSmall domestic -
49 Holmdene Avenue London Southwark SE24 9LB
95% historically approved · decision due ~14 Nov
Construction of L-shaped dormer extension to rear roof slope, and addition of 3no. roof windows to front roof slope.
Awaiting decision Householder Extension Loft or dormer +1 10 docsDomestic -
23 Hollingbourne Road London Southwark SE24 9NB
Certificate of Lawfulness (Existing) for the existing lawful use of the entire property as a single dwellinghouse within Use Class C3.
Granted Lawful development 20 docsDomestic -
55 Hollingbourne Road London Southwark SE24 9NB
Rear dormer extension over main roof slope and over outrigger.
Granted Lawful development Extension Loft or dormer 15 docs -
55 Hollingbourne Road London Southwark SE24 9NB
Construction of an L-shaped dormer extension at second-floor level over the existing rear roof planes, to provide additional residential accommodation. The works include raising the roof ridge by 330mm. Installation of Velux Cabrio Balcony window and rooflight to front roof slope.
Granted Householder Extension Loft or dormer +1 23 docsDomestic
Other lawful development applications
In Southwark
-
26/AP/1316 Granted
Seavington House Champion Hill London Southwark SE5 8DN
Certificate of lawfulness (proposed) to confirm excavation works carried out on the site in the form of trial pits constitute a material operation under the Town and Country Planning Act 1990 and therefore represent lawful commencement of the approved planning permission 22/AP/0174.
-
26/AP/1420 Granted
40 Strathnairn Street London Southwark SE1 5BL
Certificate of lawfulness (proposed) for construction of a ground floor rear extension and a rear dormer.
-
26/AP/1618 Granted
252 Barry Road London Southwark SE22 0JS
Certificate of lawful development (proposed) for the construction of a rear dormer extension.
-
26/AP/1577 Granted
Residence Inn By Marriott London Bridge 201-211 Long Lane London SE1 4PN
Certificate of lawfulness (proposed) for undertaking of facade remedial works to remove combustible cladding materials and replace with a like-for-like non-combustible cladding with no change to the outer aesthetics of the building.
-
26/AP/1509 Withdrawn
Railway Arch 101 Rockingham Street London Southwark SE1 6PD
Certificate of lawfulness (proposed) for confirmation of implementation of planning permission 22/AP/3065: Change of use of the railway arch at 101 Rockingham Street from Use Class B8 (Storage/Distribution) to Use Classes E (Commercial, Business and Service) and F2 (Local Community) and a new glazed facade to the exterior including 2x extractor fans.