Planning application
17 Alleyn Park London Southwark SE21 8AU
Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.
Proposal
Certificate of Lawful Development (Proposed) for Installation of Air Source Heat Pump
As published by the council, reference 25/AP/2585
Application record
- Reference
- 25/AP/2585
- Type
- Certificate of Lawful Dev. - Proposed
- Status
- Under consideration/assessment
- Received
- 10 Sep 2025
- Validated
- 11 Sep 2025
- Ward
- Dulwich Wood
- Parish
- Dulwich
- Postcode
- SE21 8AU
Timeline
Dates from the published record
-
10 Sep 2025
Received by Southwark
-
11 Sep 2025
Validated
Checked as complete and ready for consideration.
-
10 Aug 2026
Added to PlanIndex
-
Decision
Awaiting decision
Decision expected by 6 November 2025, 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.
Who's behind it
Company information only, from the register and Companies House
Agent on file, an architecture practice registered in London
10 applications on PlanIndex · across 3 councils
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
7 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 happens while it is decided
This application is with Southwark for determination, against a statutory target of eight weeks. Over the last year Southwark decided lawful development applications in a median of 50 days. More in our guide to how long planning decisions take.
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
-
15 Alleyn Park London Southwark SE21 8AU
100% historically approved · decision due ~4 Nov
T01 - Purple leaved Cherry Plum, approx. 10m high - Crown lift to 3.5m above ground level. Reduce southern limb (over driveway) by up to 3m back to closest growth point to tie in with canopy. Reduction of rest of canopy by up to 1m back to closest growth point to reshape. Reason - To provide sufficient clearance to property. T02 - Yew, approx. 4m high - Fell to ground level and remove all arisings. Reason - Self-seeded tree, growing into fence and Cherry Plum tree.
Awaiting decision Trees 8 docsSmall domestic -
15 Alleyn Park London Southwark SE21 8AU
Demolish existing rear ground floor extension and replace with new single-storey rear ground floor extension; Alterations to:- location of front door, roof profile of existing garage, garage opening; Installation of roof lights and Oriel window; Replace existing windows and increase size of dormer window.
Granted Householder Extension Loft or dormer +2 25 docsSmall domestic -
13 Alleyn Park London Southwark SE21 8AU
5 Day Notice T1 - Lime Tree to remove dead, damaged and diseased wood only (TPO Zone - area type)
Granted Trees 7 docs -
23 Alleyn Park London Southwark SE21 8AU
95% historically approved · decision due ~1 Oct
Demolition of existing property with a replacement detached dwelling.
Awaiting decision New dwelling Demolition 38 docsDomestic -
11 Alleyn Park London Southwark SE21 8AU
95% historically approved · decision due ~16 Sep
Five day notification for tree works: Removal of dead conifer.
Decided Trees -
75 Alleyn Road London Southwark SE21 8AD
REVISED SPECIFICATION:T1. A Beech tree approximately 10m in height, situated in a central location on the front boundary with Alleyn Road. Low branches to be lifted to provide a clearance of 3m from ground level including the removal of dead wood. T2. A Cherry tree approximately 6m in height, situated in the front left-hand corner adjacent to Alleyn Road. Remove one dead branch over the driveway and necessary re-shaping. The height and basic shape should be retained.T3. A Rowan tree approximately 7.5m in height, situated on the right-hand side boundary of the rear garden close to a Yew tree. Remove by felling at ground level. Plant replacement tree as recommended by the Dulwich Estate. T4. Two purple Plum trees approximately 10m in height, situated close together near the bottom of the rear garden. Crown thin by 20% including the removal of dead wood and water shoots. The height and basic shape should be retained. T5. A Cypress tree approximately 12m in height, situated in the bottom left-hand corner of the rear garden. Reduce in height by up to 2m.
Granted Trees 9 docs
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.