1B Chester Row London SW1W 9JF Data via plota.co.uk

25/05281/FULL - Full Planning Permission Application Approved

Proposal

Extension at rear roof level, relocation of existing plant enclosure, simplification of roofscape including new roof maintenance access hatch. Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
29 Jul 2025
✓
Approved
24 Sept 2025

Approved on 24 Sept 2025 · Complex Delegated Decision · Last checked 30 Oct 2026

Documents 27

Decision & officer reports 2

PDF GRANT OF FULL PP [PE] Decision Notice · 24 Sept 2025 View ↗ PDF DELEGATED REPORT Report · 24 Sept 2025 View ↗

Statements & assessments 6

PDF PLANNING AND HERITAGE STATEMENT Background Papers · 11 Aug 2025 View ↗ PDF HOUSEHOLDER SUSTAINABLE DESIGN STATEMENT Background Papers · 29 Jul 2025 View ↗ PDF ENVIRONMENTAL NOISE ASSESSMENT - JULY 2025 Background Papers · 29 Jul 2025 View ↗ PDF DESIGN AND ACCESS STATEMENT Design and Access Statement · 29 Jul 2025 View ↗ PDF DAYLIGHT AND SUNLIGHT ASSESSMENT Daylight and Sunlight assessment · 29 Jul 2025 View ↗ PDF ADDENDUM TO DAYLIGHT AND SUNLIGHT ASSESSMENT 03-07-2025 Background Papers · 29 Jul 2025 View ↗

Plans & drawings 9

PDF PROPOSED SECOND FLOOR PLAN Drawing · 29 Aug 2025 View ↗ PDF PROPOSED ROOF PLAN Drawing · 29 Aug 2025 View ↗ PDF PROPOSED SECTION A-A Drawing · 29 Aug 2025 View ↗ PDF PROPOSED REAR ELEVATION Drawing · 29 Aug 2025 View ↗ PDF PROPOSED SECTION B-B Drawing · 29 Aug 2025 View ↗ PDF LOCATION PLAN Location Plan · 29 Jul 2025 View ↗ PDF SITE PLAN Drawing · 29 Jul 2025 View ↗ PDF EXISTING DRAWINGS Drawing · 29 Jul 2025 View ↗ PDF PROPOSED DRAWINGS Superseded document · 29 Jul 2025 View ↗

Application forms 2

PDF APPLICATION FORM Application Form · 29 Jul 2025 View ↗ PDF APPLICATION FORM REDACTED Application Form · 29 Jul 2025 View ↗

Consultation & comments 2

PDF OBJECTION Objection Comment · 1 Sept 2025 View ↗ PDF NEIGHBOUR NOTIFICATION LETTER (21D) Background Papers · 11 Aug 2025 View ↗

Other documents 6

PDF ACK-GENERAL LETTER (G/P/C) Background Papers · 11 Aug 2025 View ↗ PDF CNSLT-LA SOCIETY Background Papers · 11 Aug 2025 View ↗ PDF CNSLT-LA SOCIETY Background Papers · 11 Aug 2025 View ↗ PDF CNSLT-LA SOCIETY Background Papers · 11 Aug 2025 View ↗ PDF SITE NOTICE 21 OR 28 DAYS IF T&C APPL. Background Papers · 11 Aug 2025 View ↗ PDF ATTACHMENT SUMMARY Background Papers · 29 Jul 2025 View ↗

All documents on the council site ↗

Associated applications 2

Site constraints 9

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.
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 ↗
35 listed buildings within 150 m
Nearest: 65-79, Elizabeth Street Sw1, Grade II, 2 m away · 2 Grade II*, 33 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 35 with distances
Historic England ↗
National infrastructure project 336 m away: Thames Tideway Tunnel
The site is 336 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, 24 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 86 m away: The Grosvenor Estate: Chester Square
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
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 1 November 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 1

Last sold for £3,250,000 in January 2020. Other property, freehold.

31 January 2020£3,250,000Recorded as a transfer outside a standard sale

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

Building

Floor area216 m² (2,325 sq ft)
Energy ratingD (64 out of 100), could reach C
PropertyMid-terrace house, 7 habitable rooms
Built1900 to 1929
HeatingBoiler and underfloor heating, mains gas
WallsSolid brick, as built, partial insulation (assumed)

From the energy performance certificate lodged in May 2026, 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 9JF
Received
29 Jul 2025
Validated
29 Jul 2025
Ward
Knightsbridge & Belgravia
Case officer
Show
Target decision
25 Sept 2025
Decision
Application Permitted
Decision date
24 Sept 2025
Decision level
Complex Delegated Decision
Applicant
Show
Agent
AD Heritage Planning

How this decision compares

Decided in 57 days from validation, 19 days faster than Westminster's median of 76 for full applications. Approved, as 86% of full applications here are.

35%decided within 8 weeks
86%approved
2,198decided in the last year

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

Public comments

2comments received
2 objecting

9 neighbours consulted · Last counted 30 Oct 2026

Read the comments on the council site ↗

Consultation & key dates

Alt. reference
PP-14209543
Planning Portal ref
PP-14209543
Comments by
10 Sept 2025
Site or press notice
20 Aug 2025
Env. assessment
No

Historical activity at this location

35 previous applications on record - archival context, not part of the live application.

This property

Previous applications at this address

2025
Detailed drawings of new rear windows pursuant to condition 5 of planning permission date…
25/08340/ADFULL
2025
Detailed drawings of new rear windows pursuant to condition 5 of planning permission date…
25/07487/ADFULL
2024
Erection of a rear extension at upper first floor to add an additional bedroom, alteratio…
24/08272/FULL
2023 Approved
Details of the new sash window, the Juliet balcony and the string course pursuant to Cond…
23/04402/ADFULL
2023 Approved
Details of the new railings and gate pursuant to condition 4(iii) of planning permission…
23/04560/ADFULL
2023 Approved
Alterations to front of building consisting of installation of new sash window opening at…
23/02208/FULL
2021 Approved
External alterations to front facade including alterations to windows, removal of string…
21/01543/FULL
2021 Approved
Installation of rooftop plant in an acoustic and visual enclosure on a lower flat roof to…
21/01546/FULL
2021 Refused
Creation of a roof terrace at first floor level to the rear.
21/01544/FULL
2020 Withdrawn
Extension of basement floor; alterations to roof profile and rear facade, including new b…
20/06323/FULL
Within ~100m

Nearby activity

2025 Approved
50 - 52 Elizabeth Street London SW1W 9PB
Replacement of three existing extending/retractable awnings, with three new traditional p…
25/05789/LBC
2025
First Floor Flat 75 - 77 Elizabeth Street London SW1W 9PJ
Installation of replacement sashes within the existing box frames including new slimline…
25/07678/LBC
2025
First Floor Flat 75 - 77 Elizabeth Street London SW1W 9PJ
Installation of replacement sashes within the existing box frames including new slimline…
25/07677/FULL
2025 Approved
50 - 52 Elizabeth Street London SW1W 9PB
Replacement of three existing extending/retractable folding arm shop awnings, with three…
25/05788/FULL
2025 Approved
Flat G 54 Eaton Square London SW1W 9BE
Installation of secondary glazing to the front three living/ dining room windows at third…
25/06174/LBC
2025
54 Eaton Square London SW1W 9BE
Replacement doors and Windows
25/06993/LBC
2025
54 Eaton Square London SW1W 9BE
Replacement timber doors and windows to rear first floor level (Flat B). (Linked 25/06993…
25/06992/FULL
2025 Approved
58 Eaton Mews West London SW1W 9ET
T1 Palm tree: Fell to ground and treat stump.
25/05654/TCA
2025 Approved
81A Elizabeth Street London SW1W 9PG
Installation of an air conditioning unit at roof level and internal units in the second a…
25/04263/LBC
2025 Approved
81A Elizabeth Street London SW1W 9PG
Installation of an air conditioning unit at roof level.
25/04262/FULL
2025
48 Elizabeth Street London SW1W 9PA
Use of first and second floors as a self-contained dwelling (Class C3), installation of P…
25/05695/FULL
2025
27 South Eaton Place London SW1W 9EL
External alterations, erection of a rear extension to lower ground floor level, creation…
25/05385/LBC
2025
27 South Eaton Place London SW1W 9EL
External alterations, erection of a rear extension to lower ground floor level, creation…
25/05384/FULL
2025 Approved
13 Chester Row London SW1W 9JF
Installation of scaffold fixings, removal of defective stucco render, localised masonry r…
25/01922/LBC
2025
33 Chester Row London SW1W 9JE
Modification to existing fenestration, involving the enlargement of a window opening to a…
25/03556/FULL
2025
33 Chester Row London SW1W 9JE
Relocation of an existing condenser unit from the front lightwell to the vault; enlargeme…
25/03555/FULL
2025
13A South Eaton Place London SW1W 9ER
In-fill of 3 windows at third floor level of Chester Row and South Eaton Place facades an…
25/00449/CLOPUD
2025
49 Elizabeth Street London SW1W 9PP
Internal works at first, second and third floors in association with the use of all three…
25/00242/LBC
2025
49 Elizabeth Street London SW1W 9PP
Internal works at first, second and third floors in association with the use of all three…
25/00241/FULL
2024
33 Chester Row London SW1W 9JE
T1 - Olive Olea europaea. - Fell at ground level Non-native species, not visible from the…
24/08435/TCA
2020 Refused
24 Gerald Road London SW1W 9EQ
Demolition of existing rear extension and replacement with four storey extension with ter…
20/08290/LBC
2020 Refused
24 Gerald Road London SW1W 9EQ
Demolition of existing rear extension and replacement with four storey full width extensi…
20/08289/FULL
2021 Approved
61 Eaton Mews West London SW1W 9ET
Installation of replacement double glazed timber sash windows.
21/07291/FULL
2021 Approved
Henley House 1A South Eaton Place London SW1W 9ES
Internal alterations, including relocation of kitchen from ground floor to first floor; i…
21/05483/LBC
2021 Approved
Veterinary Clinic 55 Elizabeth Street London SW1W 9PP
Installation of a new internal wall and infill of an existing door opening.
21/07508/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.