3 Eccleston Street London SW1W 9LZ Data via plota.co.uk

26/05173/FULL - Full Planning Permission Application Approved
Admin / procedural

Proposal

Variation of condition 1 of planning permission dated 24 June 2025 (RN: ) for the: Removal of existing lift overrun and redundant roof equipment, installation of a new roof enclosure to house lift and staircase access to roof, installation of a pergola in association with the creation of a new roof terrace at fourth floor level. NAMELY, amendments to allow alteration to balustrade; and incorporation/ alteration of the ductwork. Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
31 Jul 2026
✓
Approved
20 Oct 2026

Approved on 20 Oct 2026 · Delegated Decision · Last checked 21 Oct 2026

Documents 19

Decision & officer reports 3

PDF GRANT OF FULL PP [PE] Decision Notice · 20 Oct 2026 View ↗ PDF DELEGATED REPORT Report · 20 Oct 2026 View ↗ PDF COVER LETTER - S73 TO PERMISSION 24-09005-FULL Background Papers · 31 Jul 2026 View ↗

Plans & drawings 8

PDF PROPOSED FOURTH FLOOR GA PLAN Drawing · 31 Jul 2026 View ↗ PDF PROPOSED FOURTH FLOOR GA PLAN (MARKUP REMOVED) Drawing · 31 Jul 2026 View ↗ PDF - PROPOSED UPPER ROOF PLAN Drawing · 31 Jul 2026 View ↗ PDF PROPOSED UPPER ROOF PLAN (MARKUP REMOVED) Drawing · 31 Jul 2026 View ↗ PDF PROPOSED SECTIONS Drawing · 31 Jul 2026 View ↗ PDF PROPOSED SECTIONS (MARKUP REMOVED) Drawing · 31 Jul 2026 View ↗ PDF PROPOSED ELEVATIONS Drawing · 31 Jul 2026 View ↗ PDF PROPOSED ELEVATIONS (MARKUP REMOVED) Drawing · 31 Jul 2026 View ↗

Application forms 1

PDF APPLICATIONFORMREDACTED Application Form · 31 Jul 2026 View ↗

Consultation & comments 1

PDF NEIGHBOUR NOTIFICATION LETTER (21D) Background Papers · 11 Aug 2026 View ↗

Other documents 6

PDF ACK-GENERAL LETTER (G/P/C) Background Papers · 11 Aug 2026 View ↗ PDF CNSLT-LA SOCIETY Background Papers · 11 Aug 2026 View ↗ PDF CNSLT-LA SOCIETY Background Papers · 11 Aug 2026 View ↗ PDF CNSLT-LA SOCIETY Background Papers · 11 Aug 2026 View ↗ PDF SITE NOTICE 21 OR 28 DAYS IF T&C APPL. Background Papers · 11 Aug 2026 View ↗ PDF RECEIPT OF APPLICATION Other · 4 Aug 2026 View ↗

All documents on the council site ↗

Site constraints 11

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 ↗
2 Article 4 directions
Article 4 Basement Development Permitted Rights Removed · Article 4 Direction Class E To C3 In Central Activities Zone. 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 ↗
National infrastructure project 399 m away: Thames Tideway Tunnel
The site is 399 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, 14 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 ↗
Central activities zone
The core of central London in the London Plan.
Offices, culture and the other strategic functions of the centre take priority over new housing here.
14 listed buildings within 150 m
Nearest: 126-158, Buckingham Palace Road, Grade II, 36 m away · 14 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 14 with distances
Historic England ↗
Opportunity area
Where the London Plan expects significant growth.
Boundaries are indicative and the borough holds the detailed plan.
Also on the record
Registered park or garden 168 m away: The Grosvenor Estate: Chester 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 2 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.

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Important details

Council
Westminster
Application type
Full Planning Permission Application
Postcode
SW1W 9LZ
Received
31 Jul 2026
Validated
31 Jul 2026
Ward
Knightsbridge & Belgravia
Case officer
Show
Target decision
20 Oct 2026
Decision
Application Permitted
Decision date
20 Oct 2026
Decision level
Delegated Decision
Agent
Newmark

Public comments

No public comments yet.

138 neighbours consulted · Last counted 21 Oct 2026

Read the comments on the council site ↗

Consultation & key dates

Alt. reference
PP-15018586
Planning Portal ref
PP-15018586
Comments by
9 Sept 2026
Site or press notice
19 Aug 2026
Env. assessment
No

Historical activity at this location

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

This property

Previous applications at this address

2025
Details, including photographs of samples and/or manufacturer specifications, of the faci…
25/08264/ADFULL
2025
Details, including photographs of samples and/or manufacturer specifications, of the faci…
25/06578/ADFULL
2025
Details, including photographs of samples and/or manufacturer specifications, of the faci…
25/06577/ADFULL
Within ~100m

Nearby activity

2025
20 Eaton Square London SW1W 9DD
G1 13 X Silver Birch Trees: Crown Reduction by 3m to heights and cut back by 2m from the…
25/07175/TCA
2025 Approved
Flat D 29 Eaton Square London SW1W 9DF
Minor internal alteration work, including new library joinery and redecoration throughout
25/05748/LBC
2025
Trees In Eaton Square London SW1W 9DA
T889 & T892 - Platanus x hispanica: Reduce crown by specified extent - At the request of…
25/07052/TPO
2025 Approved
15 Eaton Square London SW1W 9DD
Replacement intercom system.
25/05392/LBC
2025 Approved
22 Eaton Square London SW1W 9DE
Replacement intercom system.
25/05394/LBC
2025 Approved
18 - 19 Eaton Square London SW1W 9DD
Replacement intercom system.
25/05393/LBC
2025 Approved
Trees In Eaton Square London SW1W 9DA
1 x London plane (T228): Remove large Massaria branch approximately 180mm diameter and 4…
25/06069/TPO
2025 Approved
Trees In Eaton Square London SW1W 9DA
1 x Monterey cypress (T353): fell 1 x manna Ash (T704): Prune to clear lamp column by 1 m…
25/04341/TPO
2025 Approved
16 Eaton Mews South London SW1W 9HP
Creation of a roof terrace with glazed access hatch, rooflights and railings and installa…
25/03034/FULL
2025 Approved
Trees In Eaton Square London SW1W 9DA
T816 - Tilia x vulgaris (Common Lime): remove epicormic growth at base.
25/02235/TPO
2025
15 Eaton Square London SW1W 9DD
T782 - Prunus sp. (Cherry sp.): RAF - Reshape and rebalance crown - reducing the extensio…
25/01437/TCA
2025
Trees In Eaton Square London SW1W 9DA
T889 & T892 - Platanus x hispanica (London Plane): R00 - Reduce crown by specified extent…
25/00599/TPO
2024
Trees In Eaton Square London SW1W 9DA
1 x Snowy mespil T220 and 1 x Japanese cherry T262 - removal
24/07315/TDD
2024
Trees In Eaton Square London SW1W 9DA
Platanus x hispanica (London Plane) - RVL - Remove faulted limb(s): T228 - Lowest limb to…
24/05655/TPO
2024
Trees In Eaton Square London SW1W 9DA
T227 - Platanus x hispanica (London Plane):EW00 - End weight reduction, specified extent…
24/05240/TPO
2024
33 Eaton Square London SW1W 9DH
Construction of a rear single-storey extension, internal reconfiguration of the lower gro…
24/05120/FULL
2024
Trees In Eaton Square London SW1W 9DA
T190 Platanus x hispanica (London Plane)T191 Platanus x hispanica (London Plane)T198 Laur…
24/04329/TPO
2024
34 Eaton Square London SW1W 9DH
Replacement Portico Steps. (Linked with 24/03374/FULL)
24/03375/LBC
2024
34 Eaton Square London SW1W 9DH
Replacement Portico Steps. (Linked with 24/03375/LBC)
24/03374/FULL
2024
33 Eaton Square London SW1W 9DH
Replacement Portico Steps. (Linked to 24/03385/FULL)
24/03386/LBC
2021 Approved
Trees In Eaton Square London SW1W 9DA
North east garden 1 x cherry ( T773): fell
21/01518/TPO
2021 Approved
28 Eaton Mews South London SW1W 9HR
Installation of a single air condenser unit positioned on the roof terrace within a louvr…
21/00858/FULL
2020 Approved
Trees In Eaton Square London SW1W 9DA
1 x lime (T829): Remove epicormic basal growth. Reduce crown by up to 4 m to suitable red…
20/06876/TPO
2021 Approved
Flat C And D 25 Eaton Square London SW1W 9DF
Installation of internal secondary glazing to existing French doors.
21/00002/LBC
2020 Approved
Trees In Eaton Square London SW1W 9DA
1 x London plane (T194): Remove rubbing limb on east side which is rubbing on upper side…
20/06010/TPO
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