Planning application
31 Court Lane London Southwark SE21 7DH
Works: Extension Loft or dormer 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 L-shaped rear dormer extension with two rooflights, and installation of three rooflights on the main roof.
As published by the council, reference 26/AP/0492
Application record
- Reference
- 26/AP/0492
- Type
- Householder Application
- Status
- Granted
- Decision
- Granted As published: Householder - GRANTED
- Received
- 18 Feb 2026
- Validated
- 25 Feb 2026
- Decided
- 22 Apr 2026
- Ward
- Dulwich Village
- Parish
- Dulwich
- Decision by
- Delegated Panel - Simple
- Postcode
- SE21 7DH
Site history
Applications at this address on the Southwark register
This site has had 3 applications since 2021: 3 approved, 0 refused.
-
26/AP/0246 Granted
31 Court Lane London Southwark SE21 7DH
Construction of a single-storey outbuilding to the rear garden and bike shed
-
21/AP/1632 Granted
31 Court Lane London Southwark SE21 7DH
1x Scotch Pine - Thin crown by 20% including the removal of dead wood, the lifting of low branches and the necessary shortening of branches encroaching towards the property. Reduce height by up to 1.5m while retaining shape and prune branches at convenient growth points
Timeline
Dates from the published record
-
18 Feb 2026
Received by Southwark
-
25 Feb 2026
Validated
Checked as complete and ready for consideration.
-
22 Apr 2026
Decision issued: Householder - GRANTED
-
10 Aug 2026
Added to PlanIndex
Who's behind it
Company information only, from the register and Companies House
MSB Design Agent, a design practice registered in Godalming
Active · incorporated 2021 · Godalming
40 applications on PlanIndex · across 6 councils · 89% 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
24 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 22 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 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
-
31 Court Lane London Southwark SE21 7DH
1x Scotch Pine - Thin crown by 20% including the removal of dead wood, the lifting of low branches and the necessary shortening of branches encroaching towards the property. Reduce height by up to 1.5m while retaining shape and prune branches at convenient growth points
Granted Trees 4 docs -
31 Court Lane London Southwark SE21 7DH
Construction of a single-storey outbuilding to the rear garden and bike shed
Granted Householder 28 docsSmall domestic -
35 Court Lane London Southwark SE21 7DH
Construction of single storey ground floor rear and side extensions; loft conversion including new roof dormer extension along outrigger and rooflights. New windows on side elevation at ground floor level.
Granted Householder Extension Loft or dormer +2 18 docsSmall domestic -
25 Court Lane London Southwark SE21 7DH
T1. A Mulberry tree approximately 5m in height, Remove and the roots grubbed out.T2. A twin stemmed Ash tree approximately 15m in height, Crown thin by 20% including the removal of any dead wood and necessary re-shaping.
Granted Trees 9 docs -
23 Court Lane London Southwark SE21 7DH
T1 Flowering Crab tree approximately 6m in height, situated in the centre of the front garden. The tree is a little dense and wide spreading. Crown thin by 20% including the removal of dead wood and necessary shortening of branches encroaching towards the house. The height and basic shape should be retained. T2 False Acacia tree approximately 10m in height, situated on the left-hand side boundary of the rear garden. The tree is a little dense and wide spreading. Crown thin by 20% including the removal of dead wood and necessary shortening ofbranches encroaching towards the Magnolia tree in the adjoining garden of no.21. The height and basic shape should be retained.T3 Birch tree approximately 12m in height, situated on the right-hand side boundary midway down the rear garden. Crown thin by 25% including the removal of dead wood. The height and basic shape should be retained.
Granted Trees 6 docs -
21 Court Lane London Southwark SE21 7DH
T1 Magnolia Crown thin by 20% including the removal o f dead wood and necessary re-shaping. The heightand basic shape should be retained. Prune branches at convenient growthpoints, rather than an all-round reduction or pollarding.
Granted Trees 6 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.