Planning application
15 Thornton Road London Lambeth SW12 0JX
Works: Extension Loft or dormer Windows or glazing
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Application for a Certificate of Lawful Development (Proposed) with respect to the erection of a rear roof extension, incorporating a juliet balcony with the addition of three roof lights to the front roof slope and a side obscured window.
As published by the council, reference 26/01067/LDCP
Application record
- Reference
- 26/01067/LDCP
- Type
- Certificate of Lawful Use proposed
- Status
- Decided
- Decision
- Granted As published: Grant Permission
- Received
- 2 Apr 2026
- Validated
- 2 Apr 2026
- Decided
- 21 May 2026
- Ward
- Streatham Hill West & Thornton
- Decision by
- Delegated Decision
- Postcode
- SW12 0JX
Timeline
Dates from the published record
-
2 Apr 2026
Received by Lambeth
-
21 May 2026
Decision issued: Grant Permission
-
25 Jul 2026
Added to PlanIndex
Documents
Plans, drawings, consultee responses and the officer's report
16 documents on file for this application
- OFFICER'S REPORT
- REDACTED
- PROPOSED GROUND FLOOR PLAN
- PROPOSED ROOF TOP PLAN
- EXISTING GROUND FLOOR PLAN
- EXISTING LOFT FLOOR PLAN
- EXISTING SECTION AND ELEVATIONS
- PROPOSED FIRST FLOOR PLAN
- PROPOSED SECTION AND ELEVATIONS
- COMMUNITY INFRASTRUCTURE LEVY - COMPLETED FORM
- EXISTING/PROPOSED SITE BLOCK PLANS
- HOUSEHOLDER AND OTHER MINOR EXTENSIONS IN FLOOR ZONES
- EXISTING ROOF PLAN
- EXISTING FIRST FLOOR PLAN
- PROPOSED LOFT FLOOR PLAN
- THE LOCATION PLAN
Watch members (£5 a month) open the document list from here.
Open the documentsWhat this grant of permission means
Lambeth granted permission on 21 May 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 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 0.3 miles
-
6 Queensville Road London SW12 0JJ
Certificate of Lawfulness (proposed) with respect to the erection of a rear dormer and installation new replacement rooflight to the front roof slope.
Granted Lawful development Loft or dormer 9 docs -
Land adjacent To 2 Queensville Road London SW12 0JJ
Approval of details pursuant to conditions 6 (Noise Impact Assessment and air source heat pump), 9 (photovoltaic array), 10 (water efficiency), 11 (as built SAP calculations) and 12 (hard and soft landscaping strategy) of planning permission ref: 24/00047/VOC (Variation of condition 2 (The position of the approved dwelling) of planning permission ref: 22/01228/FUL (Demolition of the existing garages and erection of a single storey dwellinghouse, along with associated cycle storage, refuse storage, landscaping and boundary treatment.) Granted on 16.06.2023) granted on 22.05.2024.
Granted Conditions Demolition 13 docsSmall domestic -
126 Atkins Road London SW12 0AN
93% historically approved · decision due ~5 Nov
T32 - 1x Ash tree - Remove major deadwood. Crown reduce height and spread 2-3m branch lengths to re-shape at lower height
Awaiting decision Trees 2 docs -
126 Atkins Road London SW12 0AN
To remove 1 x Oak tree (T1) to rear of the property. Reason: the tree has been implicated in causing structural movement to an adjacent property (15 Queensville Road, SW12 0JL).
Granted Trees 8 docs -
126 Atkins Road London SW12 0AN
Reconfiguration of internal layout to all floors, replacement of doors throughout and decoration and refurbishment and upgrades to services.
Granted Heritage and listed buildings 39 docs -
126 Atkins Road London SW12 0AN
Replacement bicycle, scooter and buggy storage, new plant enclosure, minor car park works, landscaping and playspace works, entrance gates, removal of window grilles, new handrails and fencing.
Granted Heritage and listed buildings Windows or glazing 16 docs
Other lawful development applications
In Lambeth
-
26/01071/LDCP Withdrawn
36 Elms Road London Lambeth SW4 9EX
Certificate of Lawful Development (Proposed) with respect to the erection of side and rear 'box' roof extensions including a side roof light and removal of a chimney.
-
26/02276/LDCP Awaiting decision
10 Leake Street London SE1 7NN
Certificate of Lawful Development (Proposed) with respect to temporary infilling and smoothing of the existing ramp area at Elizabeth House to facilitate the demolition and construction works at 10 Leake Street authorised by the planning permission ref: 25/02199/FUL.
-
26/00455/LDCP Granted
129 Hydethorpe Road London SW12 0JF
Application for Certificate of Lawful Development (Proposed) with respect to the erection of a rear dormer roof extension and installation of new rooflights to the front roof slope.
-
26/01485/LDCP Granted
88 Ballater Road London SW2 5QP
Application for a Certificate of Lawful Development (Proposed) with respect to erection of a rear dormer roof extension and installation of 2 x rooflights to existing roof at front elevation and 1 x rooflight to existing rear outrigger roof
-
26/01478/LDCP Refused
142 Rosendale Road London SE21 8LG
Certificate of Lawful Development (Proposed) with respect to the deconversion of existing three self-contained flats into one single dwellinghouse.