Flat 9, Moreton Mansions, 185 Old Brompton Road, London, SW5 0AN Data via plota.co.uk

PP/26/04875 - Planning Permission Consultation
Extensions & alterations

Proposal

Roof level alterations involving the formation of a modified roof pitch on the inside rear slope and the provision of four dormer windows to the rear roof slope Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
9 Sept 2026
Decision
Expected by 4 Nov 2026

Under consideration

No decision has been issued yet. Plota predicts a decision between 11 Nov 2026 and 23 Dec 2026, from Kensington and Chelsea's recent extensions.

The consultation period closed on 9 Oct 2026.

Documents

View the documents on the council's website ↗

Site constraints 10

The Boltons conservation area
Demolition needs planning permission and permitted development is restricted.
The council must give weight to preserving or enhancing the area's character and appearance. Not every council has published its boundaries as open data.
Council document ↗
Article 4 direction
Article 4 - No 100. Named permitted development rights are withdrawn here.
An Article 4 direction withdraws particular permitted development rights, so work that would normally need no application needs one here. Not every council has published its directions.
Tree preservation order
Consent is needed before work on protected trees.
Not every council has published its orders as open data, so no order shown is not proof there is none.
Air quality management area: Kensington and Chelsea AQMA
The council has declared the area as failing an air quality objective.
Schemes that add traffic, parking or combustion plant are assessed against the area's action plan and may need an air quality assessment.
Council record ↗
National infrastructure project about 940 m away: Thames Tideway Tunnel
The site is about 940 m from the project boundary. Waste water treatment, decided. The project page says whether consent was granted. Also within 2 km: London Strategic Heat Main Project (at pre-application, about 843 m).
Nationally significant infrastructure projects (power stations, electricity lines, pipelines, major roads and railways, harbours, airports and reservoirs) are consented by a Secretary of State under the Planning Act 2008, after an examination by the Planning Inspectorate, rather than by the council. The boundary is the one the Inspectorate consults on and can change as the scheme does. Projects are shown within 2 km of the site.
Planning Inspectorate project page ↗
Registered park or garden about 98 m away: The Boltons
Its setting is a consideration for work nearby.
Registered parks and gardens, battlefields, world heritage sites and protected wrecks are designated heritage assets: harm needs clear and convincing justification.
Historic England ↗
Also on the record
10 listed buildings within 150 m of the postcode pin; Inside the Kensington and Chelsea built-up area; Public transport access: PTAL 6a (excellent), TfL 2023, for the 100 m square; Designated open space about 7 m away.
Not affected
Outside flood zones 2 and 3 · Not green belt · No scheduled monument at the site

Checked on 6 October 2026. The pin for this application is the centre of its postcode rather than the building, so distances to nearby designations are measured from the postcode and can be out by the width of the postcode area. Historic England, the Environment Agency, Natural England, the Planning Inspectorate, Transport for London (public transport access levels, Powered by TfL Open Data, OGL v3.0, contains OS data © Crown copyright and database right 2025) and council datasets, Open Government Licence. A boundary can run through a site and the council holds the definitive record: confirm with the council before relying on this.

Building

Floor area68 m² (732 sq ft)
Energy ratingE (41 out of 100), could reach C
PropertyEnd-terrace flat, 3 habitable rooms
Built1900 to 1929
HeatingElectric storage heaters
WallsSolid brick, as built, no insulation (assumed)

From the energy performance certificate lodged in November 2024, the latest held for this property, matched to this application by its address. The building may have changed since. View the certificate

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Other new applications on this street

25 Aug 2026Pending

Flat 2, 324 Old Brompton Road, London, SW5 9JH

The proposal is for a vertical extension providing additional accommodation to t...

PP/26/04464
12 Aug 2026Pending

Beatrix House, 208 Old Brompton Road and Public Library, 210 Old Brompton Road, London, SW5 0BS

Refurbishment of the communal entrance frontage serving Beatrix House and Brompt...

PP/26/02474
16 Jun 2026Approved

Flat A, 139 Old Brompton Road, London, SW5 0LF

Repurposing and tanking of eastern vault to provide a shower room and WC/laundry...

PP/26/03240
27 May 2026Pending

145 Old Brompton Road, London, SW5 0LF

Demolition of two-storey rear extension; erection of replacement two-storey rear...

PP/26/02635

Nearby new applications

23 Oct 2026Pending

Flat A, 122 Finborough Road, London, SW10 9AQ

Demolition of rear WC and erection of infill rear extension to provide new exter...

PP/26/05646
23 Oct 2026Pending

2 Colbeck Mews, London, SW7 4LX

Insert three rooflights and one opening vent, replace glass roof with glass floo...

PP/26/05346
22 Oct 2026Pending

First Floor Flat, 24 Westgate Terrace, London, SW10 9BJ

Construction of 3.5m first floor rear extension

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22 Oct 2026Pending

Basement Flat, 24 Westgate Terrace, London, SW10 9BJ

Construction of single storey partial rear extension

PP/26/04543
22 Oct 2026Pending

102A Drayton Gardens, London, SW10 9RJ

Prune 1 x Lime (front)

ARB/26/05704
22 Oct 2026Pending

1 Boltons Place, London, SW5 0LP

Prune 2 x Magnolia and 1 x Turkey Oak

ARB/26/05696

Important details

Council
Kensington and Chelsea
Application type
Planning Permission
Postcode
SW5 0AN
Received
9 Sept 2026
Validated
9 Sept 2026
Ward
Redcliffe
Case officer
Show
Target decision
4 Nov 2026
Applicant
Show
Freehold owner
Show

Decision outlook

Day 50 of the 56-day target. Kensington and Chelsea usually decides extensions by day 83.

Day 5033 days to the predicted decision (day 83)
33%decided within 8 weeks
95%approved
1,441decided in the last year

Plota live figures for extensions decided by Kensington and Chelsea in the last twelve months, from validation. Kensington and Chelsea decision record →

Consultation & key dates

Comments by
9 Oct 2026

Historical activity at this location

25 nearby applications on record - archival context, not part of the live application.

Within ~100m

Nearby activity

2025 Withdrawn
1 and 2, The Boltons, London, SW10 9TB
***Withdrawn***Reversion of single dwellinghouse to 2no semi-detached dwellings, associat…
LB/25/06009
2025
1 and 2, The Boltons, London, SW10 9TB
Reversion of single dwellinghouse to 2no semi-detached dwellings, associated internal alt…
PP/25/06008
2025 Approved
2 Cresswell Gardens, London
FELL 1 x Golden Rain (rear)
ARB/25/01863
2025 Approved
1 & 2 The Boltons, London, SW10 9TB
Investigative trial pits to help inform detailed design for proposed refurbishment and al…
LB/25/01213
2024 Approved
3 Boltons Place, London, SW5 0LP
Erection of pergola in rear garden
PP/24/08220
2024 Approved
2 Cresswell Gardens, London, SW5 0BJ
Prune 1x Golden Rain Tree
ARB/24/08465
2024 Approved
3 Boltons Place, LONDON, SW5 0LP
Prune 9 x London Planes (front)
ARB/24/07504
2024 Approved
3 Boltons Place, LONDON, SW5 0LP
Landscaping proposals
PP/24/05138
2024 Approved
9 Gledhow Gardens, LONDON, SW5 0BL
Prune 1 x unspecified tree (rear)
ARB/24/05701
2024 Approved
171 Old Brompton Road, LONDON, SW5 0AN
Removal of fixed rooflights, roof lantern and roof hatch access and roof coverings; creat…
PP/24/03511
2024 Approved
171 Old Brompton Road, LONDON, SW5 0AN
Removal of ground floor metal deck rear and staircase to lower ground floor terrace. Crea…
PP/24/03471
2024 Withdrawn
3 Boltons Place, LONDON, SW5 0LP
Landscaping proposals
PP/24/03196
2024 Approved
183 Old Brompton Road, LONDON, SW5 0AN
New floor finishes to front and back gardens; demolition of boundary fence towards commun…
PP/24/01114
2024 Approved
Flats 1-5, 176 Old Brompton Road, London, SW5 0BA
Joint Decision and Verification Order required to allocate a new street number to Flats 1…
SNN/24/01168
2023 Approved
The Telephone Exchange Site, Boltons Place, London SW5 0LP
Removal of condition 9 (The garage accommodation shown on the approved drawings shall be…
PP/23/08372
2023 Approved
Bousfield Primary School, South Bolton Gardens, LONDON, SW5 0DJ
Install jasmine green screen with irrigation system to boundary wall with Old Brompton Ro…
PP/23/06717
2023 Approved
Bousfield Primary School, South Bolton Gardens, LONDON, SW5 0DJ
Install jasmine green screen with irrigation system to boundary wall with Old Brompton Ro…
LB/23/06718
2023 Approved
3 Cresswell Gardens, London, SW5 0BJ
Addition of new roof access with glazed elevations, front having a timber screen, and use…
PP/23/06260
2022 Approved
Maisonette Basement to First, 3 Gledhow Gardens, London, SW5 0BL
Enlarge garden area at lower ground floor; installation of structural retaining walls to…
PP/22/02219
2023 Withdrawn
173 Old Brompton Road, London, SW5 0AN
Extension of back patio of basement flat; raising of back patio of raised ground floor of…
PP/23/02361
2018 Approved
Flat 2, 13 Bolton Gardens, LONDON, SW5 0AL
Placement of heating condenser (and acoustic enclosure) on outside terrace of First Floor…
PP/18/05386
2018 Approved
Flat 4, 2 Cresswell Gardens, LONDON, SW5 0BJ
Creation of atrium at roof terrace level retaining internal stair access to terrace.
PP/18/05289
2018 Approved
Flat 1, 9 Cresswell Gardens, LONDON, SW5 0BJ
Replacement of windows and external glazed doors with white painted double glazed timber…
PP/18/04315
2018 Approved
1 Boltons Place, LONDON, SW5 0LP
Construction of pergola for seating within garden; and final planting works to make good…
PP/18/02966
2018 Approved
3 Boltons Place, LONDON, SW5 0LP
Prune row of London plane (front entrance driveway)
ARB/18/03586
Kensington and Chelsea
Planning Authority Score
5.1/10
Average
#144 of 296 councils
Relevant to this application:
Householder decisions

Kensington and Chelsea ranks #174 out of 296 councils for householder decision speed. Householder applications are slightly more likely to be approved here (94%) than the national average (90%).

These figures are council-wide context, not a prediction for this application. View full council performance
Kensington and Chelsea decision statistics
Based on MHCLG data, the nine months to December 2025
93%
Overall approval rate
Above avg (87%) #58 of 296
94%
Householder approved
Above avg (90%) #110 of 296
61%
Decided in 8 weeks
Below avg (63%) #174 of 296
40%
Extended time limit
Below avg (41%) #152 of 296
94%
Minor dwellings approved
455 decided (1-9 homes)
87%
Change of use approved
53 decided
1,839
Total decisions
135 refused in the nine months to December 2025
Source: MHCLG planning statistics · See full council rankings

Energy performance: Energy performance certificates from the Energy Performance of Buildings Register, Ministry of Housing, Communities and Local Government. Contains public sector information licensed under the Open Government Licence v3.0. © Crown copyright 2026.

Freehold owner: Information produced by HM Land Registry. © Crown copyright 2026. Source: HM Land Registry, UK and overseas companies that own property in England and Wales, September 2026 release.