83 Chester Row London SW1W 8JL Data via plota.co.uk

26/05188/FULL - Full Planning Permission Application Pending
Extensions & alterations

Proposal

Erection of a rear ground floor infill extension, new front ground floor railings and gate, new handrails around rear first floor roof in connection with roof terrace, enlargement of roof hatch and installation of a plant enclosure at roof level. Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
31 Jul 2026
✓
Validated
19 Aug 2026
Decision
Expected by 14 Oct 2026

Under consideration

No decision has been issued yet. Plota predicts a decision between 9 Oct 2026 and 18 Oct 2026, from Westminster's recent extensions.

The consultation period closed on 23 Sept 2026.

Documents

View the documents on the council's website ↗

Site constraints 10

Belgravia 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 Basement Development Permitted Rights Removed. Named permitted development rights are withdrawn here.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.
In flood zones plus climate change
Inside the extent flood zones 2 and 3 could reach with climate change: the Central allowance for the 2080s on rivers, the Upper End allowance for sea level rise to 2125. From the sea. Defences are not counted.
The Environment Agency flood map for planning. Councils use it to decide when a flood risk assessment and the sequential test are needed. It is indicative and does not show whether a particular property will flood.
Flood map ↗
Archaeological priority area: City of Westminster APA 3.2
An assessment or field evaluation may be asked for before ground works.
The council or Historic England considers archaeology likely here. A desk-based assessment, and sometimes trial trenching, can be asked for with the application.
Air quality management area: Westminster 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 201 m away: Thames Tideway Tunnel
The site is about 201 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 187 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 ↗
26 listed buildings within 150 m of the postcode pin
Nearest: Church of St Mary, Grade II*, about 16 m from the postcode pin · 1 Grade I, 1 Grade II*, 24 Grade II
The site itself is not listed. Listed building consent is needed for work that affects the special interest of a listed building, inside or out, on top of planning permission. Setting can be a consideration for buildings nearby; there is no fixed radius.
Show all 26 with distances
Historic England ↗
Also on the record
Registered park or garden about 209 m away: The Grosvenor Estate: Eaton Square; Inside the City of Westminster built-up area; Public transport access: PTAL 6b (excellent), TfL 2023, for the 100 m square.
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.

Sales history 1

Last sold for £200,000 in November 1998. Flat or maisonette, leasehold.

26 November 1998£200,000New build

Sale prices from HM Land Registry's price paid record, matched to this application by its address.

Building

Floor area107 m² (1,152 sq ft)
Energy ratingD (57 out of 100), could reach B
PropertyMid-terrace house, 6 habitable rooms
BuiltBefore 1900
HeatingBoiler and radiators, mains gas
WallsSolid brick, as built, no insulation (assumed)

From the energy performance certificate lodged in November 2025, 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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Important details

Council
Westminster
Application type
Full Planning Permission Application
Postcode
SW1W 8JL
Received
31 Jul 2026
Validated
19 Aug 2026
Ward
Knightsbridge & Belgravia
Case officer
Show
Target decision
14 Oct 2026
Applicant
Show
Agent
Eleven 10 Architecture

Decision outlook

Day 51 of the 56-day target. Westminster usually decides extensions by day 55.

Day 515 days to the 56-day target
56%decided within 8 weeks
88%approved
1,674decided in the last year

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

Public comments

2comments received
1 objecting1 neutral

6 neighbours consulted · Last counted 7 Oct 2026

Read the comments on the council site ↗

Consultation & key dates

Alt. reference
PP-15096978
Planning Portal ref
PP-15096978
Comments by
23 Sept 2026
Site or press notice
2 Sept 2026
Env. assessment
No

Historical activity at this location

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

Within ~100m

Nearby activity

2025
20 Bourne Street London SW1W 8JR
Reduce overhanging branches by approx. 1.5m to the boundary. Lightly reshape remaining cr…
25/07981/TCA
2025
12 Bourne Street London SW1W 8JU
Fell G1 comprising 2 x Himalayan birch growing in raised planter to reflect approved redu…
25/06903/TCA
2025
17 Graham Terrace London SW1W 8JE
Replacement casement window on the second floor, including maintenance, overhauling, and…
25/06879/CLOPUD
2025 Approved
14A Caroline Terrace London SW1W 8JS
Refurbishment of the existing garden studio with new roof, new fenestration and new roofl…
25/04744/FULL
2025 Approved
70 Eaton Terrace London SW1W 8UA
Replacement of lower ground floor front entrance door and surround.
25/02085/LBC
2025 Approved
70 Eaton Terrace London SW1W 8UA
Replacement of lower ground floor front entrance door and surround
25/02084/FULL
2024
6 Caroline Terrace London SW1W 8JS
Minor works, removal of loft bathroom and associated window, formation of two shower room…
24/08717/FULL
2024
12 Bourne Street London SW1W 8JU
Glazed infill extension to the rear of the property at lower ground floor level.
24/08278/FULL
2024
12 Bourne Street London SW1W 8JU
Proposed rear extension.
24/07991/CLOPUD
2024 Approved
83 Bourne Street, LONDON, SW1W 8HQ
Replacement of glazing at rear lower ground level with full width timber framed glazing…
PP/24/06006
2024 Approved
83 Bourne Street, LONDON, SW1W 8HQ
FELL 1 x Ash (rear)
ARB/24/06324
2024 Approved
3 Caroline Terrace London SW1W 8JS
1 x London plane: lift low pendulous branches over gardens of 38/40 Chester Row by three…
24/04632/TCA
2024
59 Chester Row London SW1W 8JL
Variation of condition 1 of planning permission dated (RN 10th January 2023 (RN 22/07918/…
24/05417/FULL
2024
64 Bourne Street London SW1W 8JD
Lowering of floor level to two existing front vaults and associated alterations.
24/04762/FULL
2024 Withdrawn
85 Bourne Street, London, SW1W 8HF
Change of use of lower ground and ground floor from Class E to C3 use to form 2no. bedroo…
PA/24/02867
2023 Approved
87 Chester Row London SW1W 8JL
Use of ground, first and second floor levels as a single family dwellinghouse (Class C3)…
23/08701/FULL
2024 Approved
12 Caroline Terrace London SW1W 8JS
1 x cherry (rear): fell
24/00393/TCA
2024
16 Caroline Terrace London SW1W 8JT
Erection of a single storey second floor extension; installation of French doors at groun…
24/00577/FULL
2023
15 Caroline Terrace London SW1W 8JT
Erection of a single storey rear extension at lower ground floor level; extension of fron…
23/08708/FULL
2023
12 Bourne Street London SW1W 8JU
Erection of glazed infill extension to rear lower ground floor level.
23/08462/FULL
2020 Approved
15A Caroline Terrace London SW1W 8JT
Variation of Condition 1 of planning permission dated 07 April 2020 (RN: 20/00587/FULL) f…
20/02638/FULL
2020 Approved
14 Caroline Terrace London SW1W 8JS
Erection of a mansard roof extension, installation of two windows to the front elevation…
20/01847/FULL
2020
77 Chester Row London SW1W 8JL
Erection of a single storey extension at rear upper ground floor level.
20/03518/FULL
2020 Approved
70 Eaton Terrace London SW1W 8UA
Sealing a window in the party wall of the closet wing of 70 at first floor level. Removal…
20/02692/CLLB
2020
72 Eaton Terrace London SW1W 8TZ
Sealing a window in the party wall of the closet wing of 70 at first floor level which ov…
20/02693/CLLB
Westminster
Planning Authority Score
3.5/10
Below average
#221 of 296 councils
Relevant to this application:
Householder decisions

Westminster is slower than most councils at deciding householder applications, ranking #258 out of 296. Only 28% of applications have the time limit extended, well below the 41% national average - the council usually decides on time. Westminster is also one of the strictest councils - it refuses more householder applications than almost any other, with only 81% approved vs 90% nationally.

One of the strictest councils
only 81% approved vs 90% nationally
These figures are council-wide context, not a prediction for this application. View full council performance
Westminster decision statistics
Based on MHCLG data, the year to March 2026
86%
Overall approval rate
Below avg (87%) #201 of 296
81%
Householder approved
Below avg (90%) #277 of 296
44%
Decided in 8 weeks
Below avg (63%) #258 of 296
28%
Extended time limit
Below avg (41%) #46 of 296
83%
Minor dwellings approved
12 decided (1-9 homes)
67%
Major dwellings approved
3 decided (10+ homes)
81%
Change of use approved
133 decided
4,602
Total decisions
648 refused in the year to March 2026
Source: MHCLG planning statistics · See full council rankings

Sale prices: Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0.

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.