Planning application
4 Isis Street SW18 3QN
Works: Extension 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 single storey rear and side infill extension.
As published by the council, reference 2026/1405
Application record
- Reference
- 2026/1405
- Type
- Householder
- Status
- Granted As published: FINAL DECISION
- Decision
- Granted As published: Approve with Conditions
- Received
- 14 Apr 2026
- Validated
- 28 Apr 2026
- Decided
- 8 Jun 2026
- Ward
- Wandsworth Common
- Decision by
- Delegated Standard
- Postcode
- SW18 3QN
Timeline
Dates from the published record
-
14 Apr 2026
Received by Wandsworth
-
28 Apr 2026
Validated
Checked as complete and ready for consideration.
-
8 Jun 2026
Decision issued: Approve with Conditions
-
10 Aug 2026
Added to PlanIndex
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 8 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 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
-
591 A Garratt Lane SW18 4ST
Alterations including erection of a dormer extension to main rear roof and extension above three storey back addition in connection with the conversion of 1 x 4 bedroom flat to 3 x 1 bedroom flats.
Granted Full applications New dwelling Extension +1 10 docs -
13 A Isis Street SW18 3QL
Alterations including erection of a mansard roof extension to main rear roof with French doors and safety railings and extension above two storey back addition.
Granted Full applications Extension Loft or dormer +1 14 docs -
24 Isis Street SW18 3QN
Alterations including erection of hip-to-gable roof extension with rear mansard.
Granted Lawful development Extension Loft or dormer 7 docs -
24 Isis Street SW18 3QN
Alterations including erection of roof extension above two storey back addition.
Granted Householder Extension 6 docsDomestic -
5 A Quinton Street SW18 3QR
Non-material amendment to planning permission dated 06/06/2024 ref 2024/0668 (Alterations including erection of mansard roof extension to main rear roof; erection of roof extension and formation of roof terrace with 1.7m glass safety surround above two storey back addition. Installation of external staircase to rear elevation provide access to garden.) to allow amendments to roof lights and raise the rear flat roof about 10cm to be same level as front flat roof, changes to roof terrace and other design changes
Refused Amendments Extension Loft or dormer 4 docs -
5 A Quinton Street SW18 3QR
Variation of condition 2 (in accordance with approved drawings) pursuant to planning permission dated 04/06/2024 ref 2024/0668 (Alterations including erection of mansard roof extension to main rear roof; erection of roof extension and formation of roof terrace with 1.7m glass safety surround above two storey back addition. Installation of external staircase to rear elevation provide access to garden.) to allow design changes including roof and fenestration changes as follows: flat roof now flush, removal of windows to the dormer side wall, increase in the size of the roof terrace, front roof slope to include one skylight and two skylights on the flat roof, face of the primary dormer wing previously slanted, now straight, amendments to external staircase dimensions.
Granted Amendments Extension Loft or dormer +1 6 docs
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.