Planning application
51 Calton Avenue London Southwark SE21 7DF
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Replace exiting timber framed outbuilding and hardstanding with new insulated timber framed outbuilding to be used for purposes ancillary to the main home.
As published by the council, reference 26/AP/0030
Application record
- Reference
- 26/AP/0030
- Type
- Householder Application
- Status
- Granted
- Decision
- Granted As published: Householder - GRANTED
- Received
- 7 Jan 2026
- Validated
- 8 Jan 2026
- Decided
- 13 Mar 2026
- Ward
- Dulwich Village
- Parish
- Dulwich
- Decision by
- Delegated Panel - Complex
- Postcode
- SE21 7DF
Site history
Applications at this address on the Southwark register
This site has had 2 applications since 2021: 2 approved, 0 refused.
-
21/AP/3895 Granted
51 Calton Avenue London Southwark SE21 7DF
(T1) Dead Willow: Monolith / pollard to a height of 4m, leaving stubs for a feature (T2) Apple: crown thin by 20%, crown reduce and reshape by 30% - tree is dying (one limb almost completely dead) - will try to retain tree for another two years then replant with a high amenity species. Height from 5.8m to 4m N from 1.9m to 1.5m E from 2.2m to 1.5m S from 2.0m to 1.5m W from 2.3m to 1.5m (T3) Cherry: remove dying stem affected by bacterial canker and remove any remaining deadwood from rest of tree.
Timeline
Dates from the published record
-
7 Jan 2026
Received by Southwark
-
8 Jan 2026
Validated
Checked as complete and ready for consideration.
-
13 Mar 2026
Decision issued: Householder - GRANTED
-
10 Aug 2026
Added to PlanIndex
Who's behind it
Company information only, from the register and Companies House
eDEN Garden Rooms Ltd Agent, registered in Stoke-On-Trent
Active · incorporated 2012 · Stoke-On-Trent
14 applications on PlanIndex · across 10 councils · 100% 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
19 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 documentsWhat this grant of permission means
Southwark granted permission on 13 March 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 householder applications
Householder applications cover work to an existing house and its garden, such as extensions, lofts and outbuildings, and cannot create a separate dwelling or change what the building is used for. More in our guide to planning application types.
Nearby applications
Within 0.3 miles
-
51 Calton Avenue London Southwark SE21 7DF
(T1) Dead Willow: Monolith / pollard to a height of 4m, leaving stubs for a feature (T2) Apple: crown thin by 20%, crown reduce and reshape by 30% - tree is dying (one limb almost completely dead) - will try to retain tree for another two years then replant with a high amenity species. Height from 5.8m to 4m N from 1.9m to 1.5m E from 2.2m to 1.5m S from 2.0m to 1.5m W from 2.3m to 1.5m (T3) Cherry: remove dying stem affected by bacterial canker and remove any remaining deadwood from rest of tree.
Granted Trees 8 docs -
55 Calton Avenue London Southwark SE21 7DF
Proposed works to replace the existing conservatory with a new single storey side infill extension; increase the height of the rear outrigger roof to create a new bedroom within the attic space, with associated roof lights. The reconfiguration of the outrigger's first floor window and door to the terrace, and the replacement of the second floor rear dormer with a wider dormer window. Window replacements to front, rear and side elevations.
Granted Householder Extension Loft or dormer +1 30 docsSmall domestic -
55 Calton Avenue London Southwark SE21 7DF
99% historically approved · decision due ~16 Dec
Works to tree in a conservation area: Lime (T1) - crown reduce Reduce height by 3m from 11m to 8m. Reduce lateral spread by 3m from 10m to 7m. Reduction to shape canopy, pruning to suitable points and maintaining natural aesthetic. There are a number of dead limbs and die back in the canopy. The general physiological condition appears to be declining. It is hoped that the reduction will promote healthier growth. The tree will tolerate the pruning as specified above.
Awaiting decision Trees 5 docs -
57 Calton Avenue London Southwark SE21 7DF
99% historically approved · decision due ~27 Nov
Willow (T1) - Reduction in height by 2m, from 10m to 8m, reduction in lateral spread by 2m, from 9m to 7m, reduction to shape canopy, pruning to suitable points and maintaining natural aesthetic Cordyline (T2) - fell tree approximately 8m in height
Awaiting decision Trees 8 docs -
61 Calton Avenue London Southwark SE21 7DF
Raising of the existing outrigger roof by approx. 1050mm, to provide additional floorspace on the Second Floor. A new sash window matching the existing windows will replace the small existing window of the outrigger and two rooflights are added to the outrigger roof. The existing dormer on the rear elevation is proposed to be widened by approx. 700mm with two new sash windows to match the existing. The new dormer roof will be finished with roof tiles that will match the existing.The proposed works also include a new conservatory infill extension to the Ground Floor and the Crittall -type glazed conservatory extension will have a matching glazed roof to provide further sunlight into the Ground Floor space. The existing rooflight and double doors to the side of the proposed conservatory will be replaced with a Crittall-type rooflight and double doors, respectively, to match the proposed conservatory.
Granted Householder Extension Loft or dormer +2 32 docsSmall domestic -
39 Calton Avenue London Southwark SE21 7DF
T1 - Medium Bay tree on LHS of rear garden. Tree is causing excessive shading and needs to be maintained at a significantly smaller size. Crown reduce by 50%. T2 - Umbrella Pine on RHS of garden. Tree is causing excessive shading to Japanese Acer under canopy and should be removed to allow space for this to grow. Section fell to ground level.
Granted Trees 7 docs
Other householder applications
In Southwark
-
26/AP/2158 Granted
7 Alma Grove London Southwark SE1 5PY
Erection of a rear ground floor side extension with a framed glass roof and bi-folding rear doors. Replacement of windows and door. Alterations to external facade.
-
26/AP/2601 Awaiting decision
49 Henshaw Street London Southwark SE17 1PE
Demolition of existing rear extension and construction of part single, part two storey rear extension and erection of roof terrace on main roof with balustrades and glazed access hatch.
-
26/AP/2545 Awaiting decision
76 Shenley Road London Southwark SE5 8NQ
Construction of a single storey side and rear extension to the rear; construction of a rear dormer roof extension over the main roofslope and the installation of 3x rooflights to the front roofslope.
-
26/AP/2533 Awaiting decision
28 Tyrrell Road London Southwark SE22 9NE
Construction of rear extension.
-
26/AP/2517 Awaiting decision
65 Calton Avenue London Southwark SE21 7DF
Construction of a ground-floor side-rear extension with terrace reinstated above; alterations to the rear outrigger, including raising the eaves and ridge, removal of the chimney stack, replacement windows, and installation of two rooflights; enlargement of the existing rear dormer; erection of bin and bike stores in the front garden, together with new landscaping and a front boundary wall; installation of an EV charger to front elevation and removal of existing front porch door; removal of existing garden buildings and erection of a shed, sauna and pergola in the rear garden, together with new landscaping and decking.