Planning application
DM2026/00375
Helena House 348 - 352 High Street Sutton SM1 1PX
Proposal
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.
As published by the council, reference DM2026/00375
Timeline
Dates from the published record
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23 Mar 2026
Received by Sutton
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20 Apr 2026
Decision issued: Application Granted
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25 Jul 2026
Added to PlanIndex
What a grant of permission means
The process from here
Permission has been granted, usually subject to conditions listed on the decision notice, some of which must be discharged before work starts. The decision notice on the council portal sets out exactly what was approved.
Work must normally begin within three years of the decision or the permission lapses. Neighbours cannot appeal a grant; challenging one means judicial review of how the decision was made, within tight time limits.
About amendments applications
How this application type works
An amendment application changes a permission that already exists. Non-material amendments cover small adjustments with no wider effect, while minor material amendments, usually made by varying a condition, allow modest design changes without a fresh application. Anything beyond that needs a new permission, so the scope here is deliberately narrow.
Nearby applications
Within 500 metres
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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.
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DM2021/02537 Decided
Telecommunication Mast 33554 Helena House 348 - 352 High Street Sutton SM1 1PU
Removal and replacement of 3no. antennas with 3no. new antennas, the re location of 3no. existing antennas, the removal and replacement of 4no. cabinets with 3no. new cabinets, and ancillary works thereto. (PM/CTIL_141504 23)
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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.
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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.
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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)
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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.
Other amendments applications
In Sutton
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DM2026/00880 Awaiting decision
33 Clarendon Road And 26 Elgin Road Wallington SM6 8QX
Application to vary condition 1 (Approved Plans) of planning permission Ref: DM2024/01763 for the 'Demolition of existing garages and erection of two attached three storey dwellings with accommodation at basement and loft levels and erection of a three storey side extension at lower ground, ground and first floor level, a part one, part two storey rear extension at basement and ground level, alterations to front, rear and flank fenestrations and increase in roof height including conversion of loft space involving dormer extensions to front, side and rear and rooflights to front and flank roofslopes to provide seven self contained residential units. Provision of private and shared amenity spaces, refuse and cycle stores, car parking spaces, associated landscaping and reduction in width of the vehicular access to and from Elgin Road', to allow for the erection of a single storey rear extension.
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DM2026/00783 Granted
122 - 124 Beddington Lane Beddington CR0 4YZ
Non material amendment to approved application DM2025/00266 which allowed the 'Demolition of the existing buildings, erection of a warehouse, storage building, welfare building, weighbridge office, sprinkler pump and control room, sprinkler tanks, relocation of electrical substation and provision of new boundary treatments, access gates, parking spaces and cycle storage for use of the site as a waste transfer and recycling station,' to provide a front extension to facilitate sprinkler valve room, increase substation footprint, enlargement of sprinkler pump room, provision of external staircases to rear and vehicle access gate to front, relocation of welfare building, replacement of two sprinkler tanks with one tank, removal of high windows to rear, alteration and relocation of shutter doors, alteration to parking layout and solar panel layout and alterations to cladding colour.
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DM2026/00637 Granted
70 West Street Carshalton SM5 2PR
Retention of detached garage.
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DM2026/00746 Granted
Elm Grove Estate 216 - 220 High Street Sutton SM1 1NU
Non material amendment to approved application DM2025/01068 which allowed the ''Approval of reserved matters to determine the access, appearance, landscaping, layout and scale pursuant to outline approval DM2024/00392 (subject to S73 under ref. DM2025/00952) for development including demolition of existing buildings and structures within Elm Grove Estate and erection of new buildings to provide residential floorspace (Class C3) and Class E; retention, refurbishment and rear extension of 216-220 High Street to provide town centre (Class E), community (Class F2), sui generis (drinking establishment) and residential floorspace (Class C3); new pedestrian and vehicular access; associated amenity space, open space, public realm and landscaping; car and cycle parking spaces; plant; refuse storage; servicing; other works incidental to the proposed (phased) development; and Phase 0 enabling preliminary works in the form of demolition of two existing bungalows and four terraced houses on-site along with details to discharge Condition 16 (Matters Reserved), Condition 17 (Fire Strategy), Condition 23 (Surface Water Drainage), Condition 24 (Flood Resilience), Condition 26 (Circular Economy Statement), Condition 28 (Site Wide Energy Strategy), Condition 29 (Overheating Assessment) and Condition 34 (Whole Life Carbon Statement). '' to allow for changes to the building design, alterations to fenestrations and the cycle store.
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DM2026/00740 Granted
Former Victoria House 388 Malden Road Cheam Sutton SM3 8HY
Non material amendment to approved application DM2021/02555 which allowed the ''Application for full planning permission for comprehensive mixed-use redevelopment comprising: erection of a part four (4) part seven (7) storey mixed use building with 74 residential units (Use Class C3) in a mix of 1 and 2 bedroomed flats (including affordable units) and up to 256sq.m. of commercial floor space (Flexible Use Class E(a-f) / F1(a-b) / F2(a-b), together with the provision of associated landscaping, cycle spaces, car parking spaces, formation of new and amended vehicular access off Church Hill Road, public realm improvements and other ancillary works.'' to change the description to ''Application for full planning permission for comprehensive mixed-use redevelopment comprising: erection of a mixed use building with residential units (Use Class C3) and commercial floor space (Flexible Use ClassE (a-f) / F1 (a-b) / F2 (a-b), together with the provision of associated landscaping, cycle spaces, car parking spaces, formation of new and amended vehicular access off Church Hill Road, public realm improvements and other ancillary works.