Planning application
14 Derwent Grove London Southwark SE22 8EA
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
Loft conversion with hip-to-gable roof extension, a rear dormer set back 200mm from the eaves, two rooflights to the front roof slope, and associated chimney alterations
As published by the council, reference 25/AP/3608
Application record
- Reference
- 25/AP/3608
- Type
- Householder Application
- Status
- Granted
- Decision
- Granted As published: Householder - GRANTED
- Received
- 10 Dec 2025
- Validated
- 17 Dec 2025
- Decided
- 9 Feb 2026
- Ward
- Goose Green
- Parish
- Dulwich
- Decision by
- Delegated Panel - Simple
- Postcode
- SE22 8EA
Timeline
Dates from the published record
-
10 Dec 2025
Received by Southwark
-
17 Dec 2025
Validated
Checked as complete and ready for consideration.
-
9 Feb 2026
Decision issued: Householder - GRANTED
-
10 Aug 2026
Added to PlanIndex
Who's behind it
Company information only, from the register and Companies House
studio : MASS Agent
15 applications on PlanIndex · across 7 councils · 93% granted
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See their track recordDocuments
Plans, drawings, consultee responses and the officer's report
16 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 9 February 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.
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Construction of a hip-to-gable roof extension and L-shaped dormer extension, installation of 2no. rooflights to front roof slope and ground floor single-storey rear and side extension.
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First Floor Flat 61 Melbourne Grove London Southwark SE22 8RG
95% historically approved · decision due ~14 Dec
Roof extension and loft conversion to the first floor flat, including a 200mm ridge raise, hip-to-gable conversion with a lightweight slate-hung gable, rear dormer and loft-level extension above the retained pitched roof of the outrigger, removal of two rear chimney stacks on the property side, replacement of the roof covering with anthracite dark slates, three front rooflights, and a rear roof terrace with fixed obscure-glazed screening.
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31 Melbourne Grove London Southwark SE22 8RG
Demolition of existing single storey rear extension and the construction of a single storey rear and side infill extension with pyramid roofs; construction of a hip to gable rear dormer roof extension; replacement of existing garden shed with a single storey outbuilding; installation of 6x solar panels at first floor level
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5 Derwent Grove London Southwark SE22 8DZ
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Other householder applications
In Southwark
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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.
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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.
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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.
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26/AP/2533 Awaiting decision
28 Tyrrell Road London Southwark SE22 9NE
Construction of rear extension.
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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.