Planning application
143 Downton Avenue London SW2 3TX
Works: Extension Loft or dormer
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Certificate of Lawful Development (Proposed) with respect to the erection of a hip to gable roof extension together with the erection of a rear dormer with and installation of 3x rooflights to the front roofslope.
As published by the council, reference 26/01964/LDCP
Application record
- Reference
- 26/01964/LDCP
- Status
- Decided
- Decision
- Granted As published: Grant Permission
- Received
- 3 Jul 2026
- Validated
- 3 Jul 2026
- Decided
- 18 Aug 2026
- Ward
- Streatham Hill East
- Postcode
- SW2 3TX
Timeline
Dates from the published record
-
3 Jul 2026
Received by Lambeth
-
28 Jul 2026
Added to PlanIndex
-
18 Aug 2026
Decision issued: Grant Permission
-
23 Aug 2026
Status changed to Decided
Previously Awaiting decision.
Who's behind it
Company information only, from the register and Companies House
A.S Construction & Structural Engineering Agent, a construction firm
28 applications on PlanIndex · across 9 councils · 93% 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
5 documents on file for this application
- THE LOCATION PLAN
- PROPOSED FLOOR PLANS
- EXISTING FIRST FLOOR AND ROOF PLAN
- EXISTING ELEVATIONS
- PROPOSED ELEVATIONS AND DORMER CALCULATION
Watch members (£5 a month) open the document list from here.
Open the documentsWhat this grant of permission means
Lambeth granted permission on 18 August 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 this record
The published feed does not state which type of application this is; the register entry on Lambeth's portal will say. Our guide explains the common types.
Nearby applications
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Application for Certificate of Lawful Development (Proposed) with respect to erection of a hip to gable roof extension and a rear dormer roof extension together with installation of two rooflights to the front roof slope.
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Granted Lawful development Extension 5 docsSmall domestic -
129 Cricklade Avenue London Lambeth SW2 3HF
Certificate of Lawful development (proposed) with respect to erection of hip to gable roof extension and rear dormer extension with three front rooflights.
Granted Extension Loft or dormer