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157 Trinity Road SW17 7HJ

2025/3884Application for Full PermissionApproved
Full

Approved on 13 March 2026

Council decision: Approve with ConditionsDelegated (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

Alterations including erection of single-storey rear/side extension with solar panels above flat roof; Excavation to form basement with rear lightwell; Replacement of front door and rear window with French doors and safety balustrade at first floor; Formation of roof terrace with 1.7m high surrounding obscure-glazed screening and installation of perimeter railings to main flat roof; Repaving of driveway and erection of new boundary treatment to front garden with pedestrian and vehicle gates and all associated works.

Received
28 October 2025
Decision level
Delegated (officer decision)
Ward
Trinity
  1. Received28 Oct
  2. Validated5 Dec
  3. Consult.1 Jan
  4. Target
  5. Decided13 Mar

Decided in 98 days (council typically 56)

About this application

This is a full planning application for a side extension at 157 Trinity Road SW17 7HJ. Wandsworth has handled 3,005 applications of this type. This one was decided in 136 days, 11 weeks longer than Wandsworth's typical decision time. The site is in the Wandsworth Common conservation area. There has been 1 other application at this address. In the past year there have been 108 applications across Trinity. We hold 1,578 applications in total for the SW17 postcode area.

91% of full applications at London Borough of Wandsworth 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.Planning something similar? See what gets approved on your street

Application details

Postcode
SW17 7HJ
Application type
Application for Full Permission
Development type
C4 - House in Multiple Occupation
Scale / size
Small

Planning application dates

Date validated
5 December 2025
Consultation expiry
1 January 2026
Consultation start
4 December 2025
Consultation end
1 January 2026
Last date for comments
1 January 2026
Application expires
13 January 2026
Permission expires
13 March 2029

Planning decision

Statutory period
39 days

Publicity

First advertised
11 December 2025
Site notice start
11 December 2025

Additional information

Documents
12

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • Conservation area: Wandsworth Common
  • Flood zone 1: Low probability (rivers and sea)

Not published by this council, so not checked: Article 4 directions. Ask the council if these matter.

Possibly incomplete for this council: tree preservation orders.

Also checked, none recorded (21)

flood storage areas, listed buildings, 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. 2025
    28 Oct

    Alterations including erection of single-storey rear/side extension with solar panels above flat roof…

    This applicationApprovedFull2025/3884
  2. 2025
    27 Oct

    Alterations in connection with conversion of House of Multiple Occupation to single dwelling house (Class C3).

    RefusedApplication for Full PermissionFiled alongside2025/3859

Source: Wandsworth

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

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