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21 St James Avenue Sutton SM1 2TQ

DM2026/00265PA Householder Rear ExtensionRefused
Householder

Refused on 7 April 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

Prior Approval for a single storey rear extension projecting from the rear of the original house by 6m.

Received
3 March 2026
Public comments
1
Ward
Sutton West & East Cheam
Agent
Dimensions- Planning&Architecture
  1. Received3 Mar
  2. Validated3 Mar
  3. Consult.31 Mar
  4. Target14 Apr
  5. Decided7 Apr

Decided in 35 days (council typically 56)

About this application

This is an outline application for a single storey rear extension at 21 St James Avenue Sutton SM1 2TQ. Sutton has handled 404 applications of this type. This one was decided in 35 days, 3 weeks quicker than Sutton's typical decision time. The site is in a conservation area. There have been 2 other applications at this address. In the past year there have been 83 applications across Sutton West & East Cheam. We hold 845 applications in total for the SM1 postcode area.

82% of outline 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 2TQ
Application type
PA Householder Rear Extension
Scale / size
Small

Planning application dates

Date validated
3 March 2026
Consultation expiry
31 March 2026
Neighbour consultation end
31 March 2026
Target decision date
14 April 2026

Applicant and agent

Agent
Dimensions- Planning&Architecture
Agent address
Unit 7 Hawthorn Business Park 165 Granville Road London NW2 2AZ United Kingdom

Planning decision

Statutory period
42 days

Additional information

Documents
24
Constraints
9

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • 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 (22)

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, 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. 2026
    3 Mar

    Prior Approval for a single storey rear extension projecting from the rear of the original house by 6m

    RefusedHouseholderFiled alongsideDM2026/00264
  2. 2026
    3 Mar

    Prior Approval for a single storey rear extension projecting from the rear of the original house by 6m.

    This applicationRefusedOutlineDM2026/00265

Source: Sutton

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

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