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
• CLC2025/00078 Decided

  Helena House 348 - 352 High Street Sutton SM1 1PX

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

  Decided 3 Jul 2025 Conditions
• 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. 11 Sep 2025

   Received by Sutton

2. 13 Aug 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 6 November 2025, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

   Sutton took a median of 56 days over the applications it decided in the last year.

This application is with Sutton for determination, against a statutory target of eight weeks. Over the last year Sutton decided outline applications in a median of 55 days. More in our guide to how long planning decisions take.

An outline application tests the principle of developing a site, holding back details such as appearance and landscaping as reserved matters for later approval. More in our guide to planning application types.

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

  DM2026/00147 Submitted 5 Feb 2026 1m 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

  CLC2025/00078 Submitted 15 May 2025 3m away

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

  Decided Conditions 7 docs

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

  DM2025/01390 Submitted 6 Nov 2025 4m 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

• 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

  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

  DM2023/01424 Submitted 8 Sep 2023 14m away

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

  Granted Outline 2 docs

• DM2026/00454 Refused

  1 Cotswold Way Worcester Park KT4 8LL

  Erection of annexe to side.

  9 Apr 2026 Outline
• DM2026/00803 Granted

  88 St Philips Avenue Worcester Park KT4 8LA

  Erection of a single storey rear extension and an outbuilding.

  2 Jul 2026 Outline
• DM2026/00675 Granted

  3 Selwood Road Sutton SM3 9JU

  Erection of a single storey rear extension.

  3 Jun 2026 Outline
• DM2026/00607 Granted

  42 The Gallop Sutton SM2 5RY

  Conversion of loft space involving alterations to existing roofline, a dormer extension at rear, a window to flank roofslope and rooflights to front roofslope.

  15 May 2026 Outline
• DM2026/00689 Granted

  180 Bridgewood Road Worcester Park KT4 8XU

  Conversion of loft space involving alterations to existing roofline, a dormer extension at rear, a window to flank roofslope and rooflights to front roofslope.

  4 Jun 2026 Outline