Planning application
21 St James Avenue Sutton SM1 2TQ
Works: Extension Loft or dormer
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Erection of a part one, part two storey rear extension involving relocation of the entrance. Conversion of loft space involving alterations to existing roofline, a dormer extension at rear and rooflights to front roofslope.
As published by the council, reference DM2026/00321
Application record
- Reference
- DM2026/00321
- Type
- Certificate of Proposed Use
- Status
- Application Granted
- Decision
- Application Granted
- Received
- 12 Mar 2026
- Validated
- 19 Mar 2026
- Decided
- 29 Jun 2026
- Ward
- Sutton West & East Cheam
- Decision by
- Delegated Decision
- Postcode
- SM1 2TQ
Site history
Applications at this address on the Sutton register
This site has had 4 applications since 2026: 2 approved, 2 refused.
-
DM2026/00524 Granted
21 St James Avenue Sutton SM1 2TQ
Prior Approval for two single storey rear extensions projecting from the rear of the original house by 4m and 3.01m.
-
DM2026/00265 Refused
21 St James Avenue Sutton SM1 2TQ
Prior Approval for a single storey rear extension projecting from the rear of the original house by 6m.
-
DM2026/00264 Refused
21 St James Avenue Sutton SM1 2TQ
Prior Approval for a single storey rear extension projecting from the rear of the original house by 6m
Timeline
Dates from the published record
-
12 Mar 2026
Received by Sutton
-
19 Mar 2026
Validated
Checked as complete and ready for consideration.
-
29 Jun 2026
Decision issued: Application Granted
-
27 Jul 2026
Added to PlanIndex
Who's behind it
Company information only, from the register and Companies House
Dimensions- Planning&Architecture Agent, an architecture practice
281 applications on PlanIndex · across 23 councils · 65% granted
Trade members see everything this firm has filed, how it was decided, and get an email the day it files again.
See their track recordDocuments
Plans, drawings, consultee responses and the officer's report
27 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 29 June 2026, 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
-
21 St James Avenue Sutton SM1 2TQ
Prior Approval for a single storey rear extension projecting from the rear of the original house by 6m.
Refused Householder Extension 25 docsSmall domestic -
21 St James Avenue Sutton SM1 2TQ
Prior Approval for a single storey rear extension projecting from the rear of the original house by 6m
Refused Householder Extension 25 docsSmall domestic -
21 St James Avenue Sutton SM1 2TQ
Prior Approval for two single storey rear extensions projecting from the rear of the original house by 4m and 3.01m.
Granted Householder Extension 25 docsSmall domestic -
17 St James Avenue Sutton SM1 2TQ
Erection of a single storey rear extension and alterations to side elevation.
Granted Householder Extension 5 docsSmall domestic -
27 St James Avenue Sutton SM1 2TQ
Erection of a single storey rear extension.
Granted Householder Extension 19 docsSmall domestic -
45 Norman Road Sutton Surrey SM1 2TB
Erection of a single storey side extension.
Granted Householder Extension 5 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.