Planning application
298 Trinity Road SW18 3RG
Works: Extension Loft or dormer 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
Alterations including erection of mansard roof extension to main rear roof and erection of single storey rear/side extension.
As published by the council, reference 2025/4469
Application record
- Reference
- 2025/4469
- Type
- Householder
- Status
- Granted As published: FINAL DECISION
- Decision
- Granted As published: Approve with Conditions
- Received
- 11 Dec 2025
- Validated
- 16 Dec 2025
- Decided
- 11 Feb 2026
- Ward
- Wandsworth Common
- Decision by
- Delegated Standard
- Postcode
- SW18 3RG
Site history
Applications at this address on the Wandsworth register
This site has had 2 applications since 2025: 2 approved, 0 refused.
-
2026/0709 Granted
298 Trinity Road SW18 3RG
Details of arboricultural method statement and Tree Protection measures pursuant to conditions 6 and 7 planning permission dated 11/02/2026 ref 2025/4469 (Alterations including erection of mansard roof extension to main rear roof and erection of single storey rear/side extension.)
Timeline
Dates from the published record
-
11 Dec 2025
Received by Wandsworth
-
16 Dec 2025
Validated
Checked as complete and ready for consideration.
-
11 Feb 2026
Decision issued: Approve with Conditions
-
10 Aug 2026
Added to PlanIndex
Related applications
Cases linked to this one on the register
1 later application on the register refers to this one:
-
2026/0709 Granted
298 Trinity Road SW18 3RG
Details of arboricultural method statement and Tree Protection measures pursuant to conditions 6 and 7 planning permission dated 11/02/2026 ref 2025/4469 (Alterations including erection of mansard roof extension to main rear roof and erection of single storey rear/side extension.)
Documents
Plans, drawings, consultee responses and the officer's report
7 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.
Watch members (£5 a month) open the document list from here.
Open the documentsWhat this grant of permission means
Wandsworth granted permission on 11 February 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 householder applications
Householder applications cover work to an existing house and its garden, such as extensions, lofts and outbuildings, and cannot create a separate dwelling or change what the building is used for. More in our guide to planning application types.
Nearby applications
Within 0.3 miles
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298 Trinity Road SW18 3RG
Details of arboricultural method statement and Tree Protection measures pursuant to conditions 6 and 7 planning permission dated 11/02/2026 ref 2025/4469 (Alterations including erection of mansard roof extension to main rear roof and erection of single storey rear/side extension.)
Granted Full applications Extension Loft or dormer +1 5 docsSmall domestic -
294 Trinity Road SW18 3RG
Formation of a vehicular crossover; partial demolition and partial rebuild of the front boundary wall, formation of hardstanding and installation of vehicle turntable to the front garden.
Refused Householder Demolition 14 docsSmall domestic -
-
-
3 Henderson Road SW18 3RR
Alterations including erection of single-storey rear/side extension; erection of single-storey outbuilding. Excavation to enlarge basement including formation rear and front lightwell.
Granted Householder Extension 10 docsSmall domestic -
5 Henderson Road SW18 3RR
Alterations including installation of flat roof to existing ground floor rear/side extension and insertion of sliding patio doors in rear elevation; replacement of rear lightwell railings with flush metal grilles over.
Granted Householder Extension Windows or glazing 10 docsDomestic
Other householder applications
In Wandsworth
-
2025/3832 Refused
9 Frensham Drive SW15 3EB
Alterations including erection of mansard roof extension to main rear roof including raising the ridge by 200mm and erection of single-storey rear extension. Formation of roof terrace at first floor level with 1.7m high screen surround.
-
2026/3241 Withdrawn
2 Brightwell Crescent SW17 9AE
Removal of existing fence andf stub trunks of trees and the erection of a new fence with new landscaping.
-
2026/0948 Granted
40 Wakehurst Road SW11 6BY
Excavation to create an enlarge basement including formation of front and rear lightwells with grille over front lightwell.
-
2026/0923 Granted
42 A Bickersteth Road SW17 9SQ
Alterations including erection of mansard roof extension to main rear roof (with French doors and safety railings) and extension above part of two-storey back addition; Formation of roof terrace above two-storey back addition with 1.7m high screen surround. Installation of an external spiral staircase from first floor level to ground floor level.
-
2026/3222 Withdrawn
21 Gaskarth Road SW12 9NN
Erection of an extension to the main rear roof to provide access to a proposed roof terrace with a 1.7m high screen surround above part of the three-storey back addition.