40 Chester Row London SW1W 8JP Data via plota.co.uk

26/06451/FULL - Full Planning Permission Application Pending
Extensions & alterations

Proposal

Replacement of existing conservatory at rear ground floor level. (Linked with 26/06452/LBC) Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
21 Sept 2026
Decision
Expected by 16 Nov 2026

Under consideration

No decision has been issued yet. Plota predicts a decision between 11 Nov 2026 and 20 Nov 2026, from Westminster's recent extensions.

Documents 11

Statements & assessments 3

PDF HERITAGE STATEMENT Design and Access Statement · 21 Sept 2026 View ↗ PDF HERITAGE STATEMENT Heritage Statement · 21 Sept 2026 View ↗ PDF HOUSEHOLDER SUSTAINABLE DESIGN STATEMENT Background Papers · 21 Sept 2026 View ↗

Plans & drawings 5

PDF TYPICAL DETAILS Drawing · 21 Sept 2026 View ↗ PDF PROPOSED PLANS AND ELEVATIONS Drawing · 21 Sept 2026 View ↗ PDF EXISTING PLANS AND ELEVATIONS Drawing · 21 Sept 2026 View ↗ PDF BLOCK PLANS Location Plan · 21 Sept 2026 View ↗ PDF SITE LOCATION PLAN Location Plan · 21 Sept 2026 View ↗

Application forms 1

PDF APPLICATIONFORMREDACTED Application Form · 21 Sept 2026 View ↗

Other documents 2

PDF RECEIPT OF APPLICATION Other · 28 Sept 2026 View ↗ PDF DETAILS OF EXTERNAL MATERIALS Background Papers · 21 Sept 2026 View ↗

All documents on the council site ↗

Associated applications 2

Site constraints 10

Grade II listed: 34-44, Chester Row Sw1
List entry 1066273 · The pin is inside its outline · 30 more listed buildings within 150 m (2 Grade II*, 28 Grade II)
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 the other 30 with distances
Historic England ↗
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 Named permitted development rights are withdrawn here.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 244 m away: Thames Tideway Tunnel
The site is 244 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, 143 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 ↗
Also on the record
Registered park or garden 164 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. 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 3

Last sold for £4,650,000 in July 2026. Terraced house, freehold.

3 July 2026£4,650,000
14 November 2014£5,151,958
1 March 1995£922,000

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

Building

Floor area223 m² (2,400 sq ft)
Energy ratingD (60 out of 100), could reach C
PropertyMid-terrace house, 8 habitable rooms
BuiltBefore 1900
HeatingBoiler and radiators, mains gas
WallsSolid brick, as built, no insulation (assumed)

From the energy performance certificate lodged in June 2022, the latest held for this property. 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 8JP
Received
21 Sept 2026
Validated
21 Sept 2026
Ward
Knightsbridge & Belgravia
Case officer
Show
Target decision
16 Nov 2026
Applicant
Show
Agent
Vale Garden Houses Ltd

Decision outlook

Day 18 of the 56-day target. Westminster usually decides extensions by day 55.

Day 1838 days to the 56-day target
56%decided within 8 weeks
88%approved
1,675decided in the last year

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

Public comments

No public comments yet.

Last counted 6 Oct 2026

Read the comments on the council site ↗

Consultation & key dates

Alt. reference
PP-15213359
Planning Portal ref
PP-15213359
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
53 Eaton Terrace London SW1W 8TR
Replacement extensions at rear ground and first floor level with excavation of new baseme…
24/06103/FULL
2024
53 Eaton Terrace London SW1W 8TR
Replacement extensions at rear ground and first floor level with excavation of new baseme…
24/06104/LBC
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 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
2020 Withdrawn
72 Eaton Terrace London SW1W 8TZ
Installation of air conditioning unit affixed to chimney, erection of a two storey rear e…
20/06820/FULL
2020 Withdrawn
72 Eaton Terrace London SW1W 8TZ
Installation of air conditioning unit affixed to chimney, erection of a two storey rear e…
20/06821/LBC
2020 Approved
44 Chester Row London SW1W 8JP
Internal alterations at ground floor level.
20/04819/LBC
2020 Approved
65 Chester Row London SW1W 8JL
Rear ground floor extension, demolition and reconstruction of an enlarged closet wing at…
20/04876/FULL
2020 Approved
44 Chester Row London SW1W 8JP
Erection of replacement conservatory extension at rear lower ground floor level; replacem…
20/04818/LBC
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.

Freehold boundary: © Crown copyright and database rights 2026, HM Land Registry. Polygons © Crown copyright and database rights 2026 Ordnance Survey 100026316. Conditions of use

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.