Basement extension and staircase relocation at 1-3 Seymour Walk, Kensington, London SW10
Summary of planning committee decision
Decided by Kensington And Chelsea Planning Applications Committee on 8 Sept 2026.
The site and surroundings
The property comprises two linked three-storey buildings used as one dwellinghouse in The Boltons Conservation Area.
“/PP/26/03224:2 · Three or more objections were received during the consultation period and the recommendation is to grant. 3.The site and its surroundings 3.1 1 – 3 Seymour Walk comprises two adjacent, three storey buildings, internally linked and in use as a single dwellinghouse. The site is located on the western side of Seymour Walk. 3.2The site is located within The Boltons Conservation Area. It is not listed.”
Officer report
Speakers at the meeting
No speakers addressed the committee on this application.
The committee vote
Members unanimously agreed to grant planning permission with the conditions in section 9 of the officer report.
“Resolved unanimously: that planning permission be granted with the conditions at section 9 of the officer report.”
Minutes
The decision
Planning permission was granted for the basement extension and staircase relocation, subject to the stated conditions.
“Description of Development: Extension of existing basement within rear garden to include the relocation of existing staircase to rear of site.”
Minutes
Conditions on the permission
The permission required controls covering construction traffic, construction practice, structural safety, drainage, landscaping and unexpected contamination.
“4.Code of Construction Practice No development shall commence until: A) An Appendix A Checklist and Site Construction Management Plan (SCMP) for the development have both been submitted to, and approved in writing, by the Council’s Construction Management Team, and then B) Copies of the approved Checklist and Plan, and their written approval, have been submitted to the local planning authority to be placed on the property record.”
“10.Trees and landscaping – Details required No development shall commence until a scheme of landscaping, to include all existing trees and shrubs and proposed trees shrubs and paths and their surfacing materials, has been submitted to and approved in writing by the local planning authority, and the development shall only be carried out and maintained in accordance with the details so approved.”
Officer report
Sources
- Kensington And Chelsea Planning Applications Committee minutes, 8 September 2026
- Agenda and papers (council website)
Source: Plota analysis of Kensington And Chelsea's committee minutes and officer report. Quotations are the council's own words; headings and summaries are Plota's.
Committee decisions and nationwide planning applications, in one API
The Plota API returns planning applications from every council we cover, each with its decision, whether a committee or officers decided it, and the committee date. Build it into your own tools.
See the API →At the meeting
- Council
- Kensington And Chelsea
- Date
- Tuesday 8 September 2026
- Recommendation
- Officers recommended approval
- Committee decided
- Approved
- Vote
- Unanimous
- Public speakers
- None
- Minutes
- The council's minutes
- Meeting
- Agenda and papers (council website)
- Application
- View application →
- All decisions
- Kensington And Chelsea committee decisions →
This committee's year
212 decisions in the 12 months to this meeting, 11 against officer advice.
Source: Plota analysis of the committee's minutes.