Helena House 348 - 352 High Street Sutton SM1 1PX

This site has had 11 applications since 2021: 6 approved, 1 refused.

• CLC2026/00139 Awaiting decision

  Helena House 348 - 352 High Street Sutton SM1 1PX

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

  Submitted 28 Jul 2026
• DM2026/00506 Granted

  Helena House 348 - 352 High Street Sutton SM1 1PX

  Application to vary condition 6 of planning permission Ref: DM2022/01530 for the ''Prior Approval change of use from Class E (Office) to Class C3 (Dwellings) on the second to fifth floors providing 27 self contained units.'' to allow for alterations to the fifth floorplan.

  Decided 30 Jun 2026 Amendments
• DM2026/00375 Granted

  Helena House 348 - 352 High Street Sutton SM1 1PX

  Non material amendment to approved application DM2022/01530 which allowed the 'Prior Approval change of use from Class E (Office) to Class C3 (Dwellings) on the second to fifth floors providing 27 self contained units' to change informative 1 (Approved Plans) to a condition.

  Decided 20 Apr 2026 Amendments
• DM2026/00155 Granted

  Helena House 348 - 352 High Street Sutton SM1 1PX

  Non material amendment to approved application DM2022/01530 which allowed the 'Prior Approval change of use from Class E (Office) to Class C3 (Dwellings) on the second to fifth floors providing 27 self contained units', to amend the proposal to read as 'Prior Approval change of use from Class E (Office) to Class C3 (Dwellings) on the second to fifth floors providing self contained residential units'.

  Decided 9 Mar 2026 Amendments
• DM2026/00147 Granted

  Helena House 348 - 352 High Street Sutton SM1 1PX

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

  Decided 12 May 2026 Full applications
• DM2025/01390 Awaiting decision

  Helena House 348 - 352 High Street Sutton SM1 1PX

  Application to vary condition 1 (Approved plans) and condition 2 (Occupation) of planning permission Ref: DM2024/00476 for the 'Prior Approval in relation to the erection of 2 new floors to provide 12 self contained residential units and parking', to allow for alterations to roof stairwell and, front and rear fenestrations.

  Submitted 6 Nov 2025 Amendments
• DM2025/01162 Awaiting decision

  Helena House 348 - 352 High Street Sutton SM1 1PX

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

  Submitted 11 Sep 2025 Outline
• DM2023/01424 Granted

  Helena House 348 - 352 High Street Sutton SM1 1PX

  Temporary mast with associated cabinet equipment cabinet as illustrated on the enclosed drawings. (NTQ 38652)

  Decided 13 Sep 2023 Outline
• DM2023/00393 Granted

  Helena House 348 - 352 High Street Sutton SM1 1PX

  Erection of single storey rear extension, provision of cycle and refuse stores and alteration to fenestrations.

  Decided 13 Sep 2023 Full applications
• DM2021/02062 Refused

  Helena House 348 - 352 High Street Sutton SM1 1PX

  Prior Approval in relation to the erection of 2 new floors to provide 12 self contained residential units.

  Decided 4 Mar 2022 Outline

1. 15 May 2025

   Received by Sutton

2. 3 Jul 2025

   Decision issued: Response Issued

3. 5 Sep 2026

   Added to PlanIndex

Sutton has decided this application; the outcome above is the register's own wording and the decision notice on the council portal carries the detail. More in our guide to what happens after a planning decision.

This application deals with conditions on an existing permission, supplying the details a condition requires or asking to vary or remove one, without reopening the permission itself. More in our guide to planning application types.

• Helena House 348 - 352 High Street Sutton SM1 1PX

  DM2026/00147 Submitted 5 Feb 2026 2m away

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

  Granted Full applications 42 docs

• Helena House 348 - 352 High Street Sutton SM1 1PX

  DM2025/01162 Submitted 11 Sep 2025 3m away

  92% historically approved · decision due ~6 Nov

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

  Awaiting decision Outline 36 docs

• 348-352 Helena House High Street Sutton SM1 1PX

  DM2021/00899 Submitted 30 Apr 2021 5m away

  Change of use of the existing building from Class E (office) to C3 (residential) to provide 25 self contained residential units and flexible Class E/F uses at ground floor, alterations to fenestrations, removal of unused plant equipment to roof, associated car/disabled parking spaces, cycle/refuse storage and landscaping.

  Refused Full applications 61 docs

• Helena House 348 - 352 High Street Sutton SM1 1PX

  DM2025/01390 Submitted 6 Nov 2025 6m away

  91% historically approved · decision due ~2 Jun

  Application to vary condition 1 (Approved plans) and condition 2 (Occupation) of planning permission Ref: DM2024/00476 for the 'Prior Approval in relation to the erection of 2 new floors to provide 12 self contained residential units and parking', to allow for alterations to roof stairwell and, front and rear fenestrations.

  Awaiting decision Amendments 21 docs

• Helena House 348 - 352 High Street Sutton SM1 1PX

  DM2023/00393 Submitted 9 Mar 2023 14m away

  Erection of single storey rear extension, provision of cycle and refuse stores and alteration to fenestrations.

  Granted Full applications Extension 39 docs
  Small domestic

• Helena House 348 - 352 High Street Sutton SM1 1PX

  DM2026/00155 Submitted 9 Feb 2026 15m away

  Non material amendment to approved application DM2022/01530 which allowed the 'Prior Approval change of use from Class E (Office) to Class C3 (Dwellings) on the second to fifth floors providing 27 self contained units', to amend the proposal to read as 'Prior Approval change of use from Class E (Office) to Class C3 (Dwellings) on the second to fifth floors providing self contained residential units'.

  Granted Amendments 5 docs

• CLC2026/00110 Decided

  Elm Grove Estate 216 - 220 High Street Sutton SM1 1NU

  Application to clear condition 37 (Acoustic Report) of approved application DM2025/00952.

  25 Jun 2026 Conditions
• CLC2025/00160 Decided

  Land Rear Of 35-39 Park Hill (Would Be Known As 1-3 Hale Gardens) Carshalton SM5 3SD

  Application to clear condition 11 (drainage and flood risk management measures), 12 (water efficiency calculator), 13 (cycle storage), 14 (landscaping and boundary treatments), 15 (waste and refuse storage), 16 (as-built energy statements), 17 (road markings and signage) and 23 (parking arrangements) of approved application C2017/78477.

  7 Oct 2025 Conditions
• CLC2026/00074 Decided

  1-3 High Street Sutton SM1 1DF

  Application to clear condition 14 (statement of conformity) condition 25 (SDB) and condition 28 (Landscaping) of approved application DM2020/00217.

  8 May 2026 Conditions
• CLC2026/00109 Decided

  Elm Grove Estate 216 - 220 High Street Sutton SM1 1NU

  Application to clear condition 33 (Dust Management Plan) of approved application DM2025/00952.

  25 Jun 2026 Conditions
• CLC2026/00082 Decided

  41 Staines Avenue North Cheam SM3 9BQ

  Application to clear condition 4 (Solar PV Details) and 9 (Wildlife and Nesting) of approved application DM2024/01584.

  18 May 2026 Conditions