Skip to content

129 Hydethorpe Road London SW12 0JF

26/00455/LDCPCertificate of Lawful Use proposedApproved
Outline / PiP

Approved on 22 July 2026

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

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.

Received
12 February 2026
Ward
Streatham Hill West & Thornton
Agent
50 Degrees North Ltd
  1. Received12 Feb
  2. Validated12 Feb
  3. Consult.
  4. Target9 Apr
  5. Decided22 Jul

Decided in 160 days (council typically 56)

About this application

This is an outline application for a dormer extension at 129 Hydethorpe Road London SW12 0JF. Lambeth has handled 400 applications of this type. This one was decided in 160 days, 15 weeks longer than Lambeth's typical decision time. There has been 1 other application at this address. In the past year there have been 53 applications across Streatham Hill West & Thornton. We hold 1,195 applications in total for the SW12 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
SW12 0JF
Application type
Certificate of Lawful Use proposed
Scale / size
Small

Planning application dates

Date validated
12 February 2026
Target decision date
9 April 2026

Applicant and agent

Agent
50 Degrees North Ltd
Agent address
The Hut Kew Road Richmond TW9 2AZ

Planning decision

Statutory period
56 days

Additional information

Comments
0
Documents
16

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.

Associated applications

  1. 2026
    12 Feb

    Replacement of existing rear extension with single storey ground floor L-shaped rear extension.

    ApprovedApplicationFiled alongside26/00454/FUL
  2. 2026
    12 Feb

    Application for Certificate of Lawful Development (Proposed) with respect to the erection of a rear dormer…

    This applicationApprovedOutline26/00455/LDCP

Source: Lambeth

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

Track this application

Get email alerts when there is a planning decision or status change.

Get email alerts near SW12

New planning applications delivered to your inbox daily.

Around this site

Discuss this application on r/PlanningPermissionUK

For applicants and trades

What's been approved on your street?

See what the council approved and refused near this address for the project you have in mind, and the rules that apply here.

Get The Signal Report