House alterations and basement at 40 Portland Road, Kensington, London W11
Summary of planning committee decision
Decided by Kensington And Chelsea Planning Applications Committee on 6 Oct 2026.
The site and its setting
The property is a three-storey terraced house on Portland Road in the Norland Conservation Area and is not listed.
“/PP/26/03172:2 It is recommended the Committee grants planning permission with the conditions listed in Section 8 of this report. 2.Reason for committee consideration • Three or more objections were received during the consultation period and the recommendation is to grant. • At the request of Councillor Stephanie Petit 3.The site and its surroundings 3.1 40 Portland Road is a three-storey terraced property located on the eastern side of Portland Road.”
Officer report
Earlier planning history
An application for a second-floor infill side extension was granted in 2007.
“The relevant planning history is set out below: ReferenceDescriptionDecision PP/06/03151Erection of a second-floor infill side extension. Granted (05.02.2007) 5.Main policies and strategies relevant to the decision The development plan 5.1The main planning considerations applying to the site and the associated policies are: Local PlanNorland Neighbourhood Plan…”
Officer report
Why officers recommended approval
Officers considered the design sympathetic, the basement compliant, and impacts on the conservation area, neighbours, drainage and highways acceptable with conditions.
“/PP/26/03172:1 THE ROYAL BOROUGH OF KENSINGTON AND CHELSEA PLANNING APPLICATIONS COMMITTEE 06/10/2026 REPORT BY THE DIRECTOR, PLANNING AND PLACE Application: PP/26/03172 Agenda Item: N079 Address:40 Portland Road, LONDON, W11 4LG Proposal: Proposed part demolition; alterations to two-storey rear outrigger; new basement; lower ground floor rear extension; rear wall and side infill extensions; roof alterations with new rear rooflights; new boundary treatment works; and various…”
“The Council's Flood Risk Officer has reviewed the proposal and raises no objection, and conditions will secure appropriate drainage and construction management measures. 1.3The proposal would not result in unacceptable impacts on neighbouring residential amenity in terms of outlook, daylight, sunlight, privacy or sense of enclosure.”
Officer report
Consultation responses
Transport, flooding, contamination and arboricultural consultees raised no objection subject to conditions, while environmental health recommended construction controls.
“Other consultees and organisations ConsulteeComment Where in the report this is considered Director of Transportation and Highways No objection, subject to condition6.31 – 6.33 Flooding Officer No objection, subject to compliance condition 6.3 Director of Environmental Health (Land contamination) No objection, subject to condition6.4 Director of Environmental Health (Air quality) No objection, recommend pre-commencement condition for Small Scale Dust Management Plan.”
Officer report
The committee’s decision
Permission was granted in accordance with the recommendation, subject to an additional condition requiring approved facing materials and samples.
“Details GRANTED, in accordance with the recommendation, subject to new additional condition and informative.”
“Facing Materials and Sample Prior to the commencement of any above-ground works, details and samples of all external facing materials to be used in the development shall be submitted to and approved in writing by the Local Planning Authority.”
Minutes
Additional requirements
Before above-ground works, materials and brick sample panels must be approved, and the applicant is encouraged to keep neighbours informed during construction.
“The applicant is strongly encouraged to maintain regular communication with neighbouring residents and local residents’ associations throughout the construction period. Residents should be kept appropriately informed of the programme and timing of works, including any activities likely to result in additional noise, traffic or other disturbance.”
Minutes
Councillors at the meeting
- Anne CyronVice-ChairConservative
- Sam MackoverVice-ChairConservative
- Aarien AretiConservative
Source: Plota analysis of the council's record of attendance; parties from the council's list of councillors.
Sources
- Kensington And Chelsea Planning Applications Committee minutes, 6 October 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.
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See the API →At the meeting
- Council
- Kensington And Chelsea
- Date
- Tuesday 6 October 2026
- Recommendation
- Officers recommended approval
- Committee decided
- Approved
- Councillors
- 3Conservative 3Show councillors
- Minutes
- The council's minutes
- Meeting
- Agenda and papers (council website)
- Application
- View application →
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- Kensington And Chelsea committee decisions →
This committee's year
215 decisions in the 12 months to this meeting, 12 against officer advice.
Source: Plota analysis of the committee's minutes.