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Helena House 348 - 352 High Street Sutton SM1 1PX

DM2026/00147Full ApplicationApproved
Full

Approved on 12 May 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

Retention and completion of part change of use of first-fifth floors to Class C3 (Residential) involving alterations to fenestrations.

Received
5 February 2026
Public comments
1
Ward
Sutton North
  1. Received5 Feb
  2. Validated12 Feb
  3. Consult.
  4. Target9 Apr
  5. Decided12 May

Decided in 89 days (council typically 56)

About this application

This is a full planning application for a change of use at Helena House 348 - 352 High Street Sutton SM1 1PX. Sutton has handled 679 applications of this type. This one was decided in 96 days, 6 weeks longer than Sutton's typical decision time. The site is in a conservation area. There have been 6 other applications at this address. In the past year there have been 77 applications across Sutton North. We hold 845 applications in total for the SM1 postcode area.

88% of full applications at London Borough of Sutton 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
SM1 1PX
Application type
Full Application
Scale / size
Small

Planning application dates

Date validated
12 February 2026
Consultation expiry
25 March 2026
Target decision date
9 April 2026

Applicant and agent

Agent address
c/o Savills 33 Margaret Street London W1G 0JD United Kingdom

Planning decision

Statutory period
56 days

Publicity

Site notice end
25 March 2026

Additional information

Documents
38
Constraints
70

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • Brownfield land register: Helena HouseRegister site at or near this address
  • 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, conservation 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 and heritage coasts.

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
    9 Feb

    Non material amendment to approved application DM2022/01530

    ApprovedNon-material amendmentFiled alongsideDM2026/00155
  2. 2026
    5 Feb

    Retention and completion of part change of use of first-fifth floors to Class C3 (Residential) involving…

    This applicationApprovedFullDM2026/00147

Planning history at this site

11 other applications at this property, newest first.

  1. 2026
    28 Jul

    Application to clear condition 5 (Cycle Store) of approved application DM2026/00506

    PendingDischarge of conditionsCLC2026/00139
  2. 2026
    5 May

    Application to vary condition 6 of planning permission Ref: DM2022/01530

    ApprovedVariation of conditions (s73)DM2026/00506
  3. 2026
    7 Apr

    Application to vary condition 1 (Approved plans) and condition 2 (Occupation) of planning permission Ref…

    ApprovedVariation of conditions (s73)DM2025/01390
  4. 2026
    23 Mar

    Non material amendment to approved application DM2022/01530

    ApprovedNon-material amendmentDM2026/00375
  5. 2025
    11 Sep

    Prior Approval for change of use of first-fifth floors from Use Class E to residential use providing 33 self…

    RefusedApplicationDM2025/01162
  6. 2025
    15 May

    Application to clear condition 4 (construction logistics plan) of approved application DM2023/01269

    Comment IssuedDischarge of conditionsCLC2025/00078

Source: Sutton

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

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