Skip to content

29 Mariette Way Wallington SM6 9NL

DM2025/01475Householder ApplicationApproved
Householder

Approved on 24 February 2026

Council decision: Application GrantedDelegated (officer decision)

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

Erection of a single storey side extension, including an eco log burner flue to rear at ground floor, and a new boundary treatment with associated landscaping.

Received
28 November 2025
Decision level
Delegated (officer decision)
Public comments
1
Ward
South Beddington & Roundshaw
Agent
March In Design
  1. Received28 Nov
  2. Validated28 Nov
  3. Consult.
  4. Target27 Feb
  5. Decided24 Feb

Decided in 88 days (council typically 56)

About this application

This is a full planning application for a single storey side extension at 29 Mariette Way Wallington SM6 9NL. Sutton has handled 679 applications of this type. This one was decided in 88 days, 5 weeks longer than Sutton's typical decision time. The site is in a conservation area. There are no previous applications recorded at this address. In the past year there have been 67 applications across South Beddington & Roundshaw. We hold 612 applications in total for the SM6 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
SM6 9NL
Application type
Householder Application
Scale / size
Medium

Planning application dates

Date validated
28 November 2025
Consultation expiry
14 February 2026
Target decision date
27 February 2026

Applicant and agent

Agent
March In Design
Agent address
508 Whitby House 26 Marsh Wall London East Sussex E14 9AX

Planning decision

Statutory period
91 days

Publicity

Site notice end
14 February 2026

Additional information

Documents
15
Constraints
8

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.

Source: Sutton

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

Track this application

Get email alerts when there is a planning decision or status change.

Get email alerts near SM6

New planning applications delivered to your inbox daily.

Around this site

Discuss this application on r/PlanningPermissionUK

For applicants and trades

What's been approved on your street?

See what the council approved and refused near this address for the project you have in mind, and the rules that apply here.

Get The Signal Report