Planning application
20 Birchwood Avenue Wallington SM6 7EN
Works: Extension Loft or dormer Windows or glazing Small domestic
Read from the description, not a valuation. How we read the register
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Erection of single storey rear extension, conversion of loft space involving alterations to existing roofline, a dormer extension at rear, a window to flank roofslope and rooflights to front roofslope.
As published by the council, reference DM2025/01295
Application record
- Reference
- DM2025/01295
- Type
- Certificate of Proposed Use
- Status
- Application Granted
- Decision
- Application Granted
- Received
- 15 Oct 2025
- Validated
- 15 Oct 2025
- Decided
- 9 Dec 2025
- Ward
- Wallington North
- Decision by
- Delegated Decision
- Postcode
- SM6 7EN
Site history
Applications at this address on the Sutton register
This site has had 4 applications since 2025: 4 approved, 0 refused.
-
DM2026/00294 Granted
20 Birchwood Avenue Wallington SM6 7EN
Prior Approval for a single storey rear extension projecting from the rear of the original house by 3.8m.
-
DM2026/00293 Granted
20 Birchwood Avenue Wallington SM6 7EN
Conversion of loft space involving alterations to existing roofline, a dormer extension at rear, a window to flank roofslope and rooflights to front roofslope.
-
DM2025/01296 Granted
20 Birchwood Avenue Wallington SM6 7EN
Prior Approval for a single storey rear extension projecting from the rear of the original house by 5m.
Timeline
Dates from the published record
-
15 Oct 2025
Received by Sutton
-
9 Dec 2025
Decision issued: Application Granted
-
13 Aug 2026
Added to PlanIndex
Who's behind it
Company information only, from the register and Companies House
Agent on file, a design practice
58 applications on PlanIndex · across 16 councils · 77% granted
Trade members see who it is, their full track record, and every application they have filed.
See who's behind itDocuments
Plans, drawings, consultee responses and the officer's report
8 documents on file for this application
A planning file usually holds the application form, drawings and site plans, consultee responses, the officer's report and the decision notice.
Trade members open them from here.
Open the documentsWhat this grant of permission means
Sutton granted permission on 9 December 2025, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. More in our guide to what happens after a planning decision.
About outline applications
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.
Nearby applications
Within 500 metres
-
20 Birchwood Avenue Wallington SM6 7EN
Prior Approval for a single storey rear extension projecting from the rear of the original house by 5m.
Granted Householder Extension 8 docsSmall domestic -
20 Birchwood Avenue Wallington SM6 7EN
Prior Approval for a single storey rear extension projecting from the rear of the original house by 3.8m.
Granted Householder Extension 10 docsSmall domestic -
20 Birchwood Avenue Wallington SM6 7EN
Conversion of loft space involving alterations to existing roofline, a dormer extension at rear, a window to flank roofslope and rooflights to front roofslope.
Granted Outline Extension Loft or dormer +1 10 docs -
28 Birchwood Avenue Wallington SM6 7EN
Erection of a single storey rear extension and the demolition of existing garage.
Granted Householder Extension Demolition 15 docsSmall domestic -
23 Birchwood Avenue Wallington SM6 7EN
Conversion of loft space involving alterations to existing roofline, a dormer extension at rear, a window to flank roofslope and rooflights to front roofslope.
Granted Outline Extension Loft or dormer +1 9 docs -
11 Birchwood Avenue Wallington SM6 7HE
Erection of a single storey side and rear extension.
Granted Householder Extension 13 docsSmall domestic
Other outline applications
In Sutton
-
DM2026/00454 Refused
1 Cotswold Way Worcester Park KT4 8LL
Erection of annexe to side.
-
DM2026/00803 Granted
88 St Philips Avenue Worcester Park KT4 8LA
Erection of a single storey rear extension and an outbuilding.
-
DM2026/00675 Granted
3 Selwood Road Sutton SM3 9JU
Erection of a single storey rear extension.
-
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.
-
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.