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13 Gubyon Avenue London SE24 0DU

25/04011/LDCPCertificate of Lawful Use proposedApproved
Outline / PiP

Approved on 10 March 2026

Council decision: Grant PermissionDelegated (officer decision)

Approximate site (title boundary)
Boundary © HM Land Registry, © Ordnance Survey · details

This information is subject to Crown copyright and database rights 2026 and is reproduced with the permission of HM Land Registry. The polygons (including the associated geometry, namely x, y co-ordinates) are subject to Crown copyright and database rights 2026 Ordnance Survey AC0000851063. Conditions of use.

Proposal

Certificate of Lawful Development (Proposed) with respect to the erection of a rear dormer roof extension over existing rear outrigger with solar panels, extension to the rear parapet along the outrigger with the adjoining property and alteration to the existing front rooflight.

Received
29 December 2025
Decision level
Delegated (officer decision)
Ward
Herne Hill Loughborough Junction
Agent
The Gentleman Architect Ltd
  1. Received29 Dec
  2. Validated29 Dec
  3. Consult.
  4. Target23 Feb
  5. Decided10 Mar

Decided in 71 days (council typically 56)

About this application

This is an outline application for a dormer extension at 13 Gubyon Avenue London SE24 0DU. Lambeth has handled 400 applications of this type. This one was decided in 71 days, 2 weeks longer than Lambeth's typical decision time. There are no previous applications recorded at this address. In the past year there have been 98 applications across Herne Hill Loughborough Junction. We hold 1,062 applications in total for the SE24 postcode area.

81% of outline applications at London Borough of Lambeth were approved. Across all application types, the council typically decides in about 8 weeks (median).

Based on decided applications received in the last 3 years.See what's approved near your address

Application details

Postcode
SE24 0DU
Application type
Certificate of Lawful Use proposed
Scale / size
Small

Planning application dates

Date validated
29 December 2025
Target decision date
23 February 2026

Applicant and agent

Agent
The Gentleman Architect Ltd
Architect profile
THE GENTLEMAN ARCHITECT LTD
Agent address
69C Goodrich Road London SE22 0EQ

Planning decision

Statutory period
56 days

Additional information

Comments
0
Documents
3
Constraints
1

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • Flood zone 1: Low probability (rivers and sea)
Also checked, none recorded (24)

flood storage areas, conservation areas, listed buildings, Article 4 directions, tree preservation orders, green belt, scheduled monuments, World Heritage Sites, World Heritage Site buffer zones, registered parks and gardens, registered battlefields, Heritage at Risk entries, nutrient neutrality catchments, national parks, National Landscapes, SSSIs, Special Areas of Conservation, Special Protection Areas, Ramsar sites, ancient woodland, national nature reserves, local nature reserves, heritage coasts and brownfield registers.

A guide only, from official open data; it is not a planning search. Flood zones cover rivers and sea, not surface water.

Data © Crown copyright and others · sources and licences

Contains public sector information from planning.data.gov.uk (MHCLG and local planning authorities), licensed under the Open Government Licence v3.0. © Crown copyright and database right 2026.

© Historic England 2026. Contains Ordnance Survey data © Crown copyright and database right 2026. The Historic England GIS Data contained in this material was obtained on 2026-11-03. The most publicly available up to date Historic England GIS Data can be obtained from HistoricEngland.org.uk.

© Natural England copyright. Contains Ordnance Survey data © Crown copyright and database right 2026.

© Environment Agency copyright and/or database right 2026. All rights reserved. Flood Map for Planning, Open Government Licence v3.0.

Contains Ordnance Survey data © Crown copyright and database right 2026.

Source: Office for National Statistics licensed under the Open Government Licence v.3.0. Contains OS data © Crown copyright and database right 2026.

Source: Lambeth

Contains public sector information from the Planning London Datahub, licensed under the Open Government Licence v3.0.

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