33 Jermyn Street London SW1Y 6DN Data via plota.co.uk

26/04765/NMA - Non-material amendments Approved
Extensions & alterationsListed buildings

Proposal

Amendments to planning permission dated 27 June 2024 () for: Installation of new plant at roof level and creation of new roof terraces, refurbishment works to existing terraces, extension into lightwell, installation of new entrance on Jermyn Street and new doors on Church Place namely; to remove existing decorative mesh louvres to two openings on the seventh floor south façade and replace them with new windows to match the existing adjacent windows. Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
16 Jul 2026
✓
Approved
30 Jul 2026

Approved on 30 Jul 2026 · Delegated Decision · Last checked 6 Aug 2026

Documents 15

Decision & officer reports 2

PDF GRANT NON MATERIAL AMENDMENT Decision Notice · 30 Jul 2026 View ↗ PDF DELEGATED REPORT Report · 30 Jul 2026 View ↗

Plans & drawings 7

PDF PROPOSED - PLANNING Drawing · 23 Jul 2026 View ↗ PDF -PROPOSED PLANNING SEVENTH FLOOR Drawing · 23 Jul 2026 View ↗ PDF PROPOSED PLANNING SOUTH ELEVATION Drawing · 23 Jul 2026 View ↗ PDF PROPOSED - PLANNING - NON MATERIAL Drawing · 16 Jul 2026 View ↗ PDF DRAWING REGISTER - PLANNING Drawing · 16 Jul 2026 View ↗ PDF PROPOSED PLANNING SEVENTH FLOOR PLA Drawing · 16 Jul 2026 View ↗ PDF PROPOSED PLANNING SOUTH ELEVATION Drawing · 16 Jul 2026 View ↗

Application forms 2

PDF APPLICATIONFORMREDACTED Application Form · 16 Jul 2026 View ↗ PDF FEECALCULATION Background Papers · 16 Jul 2026 View ↗

Other documents 4

PDF ACK - NON-MATERIAL AMENDMENT Background Papers · 21 Jul 2026 View ↗ PDF RECEIPT OF APPLICATION Other · 20 Jul 2026 View ↗ PDF ATTACHMENTSUMMARY Background Papers · 16 Jul 2026 View ↗ PDF DP9 LTD LETTER 33JS NMA LETTER Background Papers · 16 Jul 2026 View ↗

All documents on the council site ↗

Site constraints 9

Grade II* listed: Simpsons
List entry 1226639 · 18 m from the pin · 38 more listed buildings within 150 m (2 Grade I, 8 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 38 with distances
Historic England ↗
St James's 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 2.5
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 ↗
Town centre: West End
A designated centre in the London Plan.
Shops, services and active frontages are protected in centres, and main town centre uses are steered here first.
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.
Also on the record
Registered park or garden 129 m away: St James's Square; Inside the City of Westminster built-up area.
Not affected
Outside flood zones 2 and 3 · Not green belt · No scheduled monument at the site

Checked on 11 September 2026. Historic England, the Environment Agency, Natural England 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
Non-material amendments
Postcode
SW1Y 6DN
Received
16 Jul 2026
Validated
16 Jul 2026
Ward
St James's
Case officer
Show
Target decision
13 Aug 2026
Decision
Application Permitted
Decision date
30 Jul 2026
Decision level
Delegated Decision
Applicant
Show
Agent
DP9 Limited

How this decision compares

Decided in 14 days from validation, 39 days faster than Westminster's median of 53 for extensions. Approved, as 87% of extensions here are.

62%decided within 8 weeks
87%approved
930decided 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 Aug 2026

Read the comments on the council site ↗

Consultation & key dates

Alt. reference
PP-15089660
Env. assessment
No

Historical activity at this location

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

This property

Previous applications at this address

2024
Amendments to planning permission dated (RN: 24/02610/FULL) for the: Installation of new…
24/06346/NMA
Within ~100m

Nearby activity

2025
Telecommunications Mast 81 - 84 Jermyn Street London
Removal of 6 existing antennas to be replaced with 8 new antennas (overall antenna height…
25/07465/FULL
2025
Sackville House 40 Piccadilly London W1J 0DR
Design changes within Sackville House in association with works approved under listed bui…
25/07392/LBC
2025
Pegasus House 37 - 43 Sackville Street London W1S 3EH
Creation of waste and cycle store at ground floor level, creation of associated ventilati…
25/06668/LBC
2025 Approved
36 Jermyn Street London SW1Y 6DN
Display of externally illuminated Christmas decorations and lighting measuring 0.75m x 3…
25/04947/ADV
2025 Approved
Sackville House 40 Piccadilly London W1J 0DR
Design changes within Sackville House in association with works approved under listed bui…
25/03918/LBC
2025 Approved
Princes House 38 Jermyn Street London SW1Y 6DN
Regulation 5 Notice of Intention to Install Fixed Line Broadband Apparatus to a Listed Bu…
25/05289/TELNOT
2025 Approved
Sackville House 40 Piccadilly London W1J 0DR
Display of non-illuminated hoarding on the footway along the Picadilly frontage measuring…
25/03916/ADV
2025
193 Piccadilly London W1J 9EU
Installation of one air conditioning condenser unit to the rear at ground floor level (re…
25/04818/FULL
2025
193 Piccadilly London W1J 9EU
Installation of one air conditioning condenser unit to the rear at ground floor level (re…
25/04819/LBC
2025
Ground Floor 4 - 5 Albany Courtyard W1J 0HF
Works to be carried out: -Carry out an overall crown reduction by reducing height and ave…
25/03316/TCA
2025
192 Piccadilly London W1J 9ET
Internal alteration and refurbishment of the existing retail unit and installation of new…
25/01091/LBC
2025
192 Piccadilly London W1J 9ET
Internal alteration and refurbishment of the existing retail unit, and installation of ne…
25/01090/FULL
2024
1 Albany Courtyard W1J 0HA
Installation of new vehicular and pedestrian entrance gates to the forecourt of The Alban…
24/05973/FULL
2024
Sackville House 40 Piccadilly London W1J 0DR
Updated scope of demolition within Sackville House, in association with works approved un…
24/05566/LBC
2024 Approved
95 Jermyn Street London SW1Y 6JE
Display of non-illuminated mesh and vinyl advertisements on hoardings measuring 2.44m x 0…
24/04433/ADV
2024
81 Jermyn Street London SW1Y 6JF
Internal and external refurbishment, comprising of works to the Jermyn Street entrance, D…
24/03521/FULL
2024
193 Piccadilly London W1J 9EU
Display of non illuminated yard flags suspended across the street on catenary wires along…
24/01996/ADV
2024 Approved
95 Jermyn Street London SW1Y 6JE
Replacement of one window to front elevation at third floor level.
24/00086/FULL
2024 Approved
St James's Church 197 Piccadilly London W1J 9ET
Magnolia (T1) - Remove two selected branches (dia <70mm) identified on the submitted phot…
24/01119/TCA
2024 Approved
St James's Church 197 Piccadilly London W1J 9ET
Raise mulberry (T9) to 2.5m over paving (pruning small diameter branches only, diameter u…
24/00554/TCA
2022 Approved
192 Piccadilly London W1J 9ET
Installation of motion device and associated works on the building facade.
22/04299/LBC
2022 Approved
197 Piccadilly London W1J 9LL
Display of four painted plinth artworks measuring 2.70m x 2.18m and two alien sculptures…
22/04448/ADV
2022 Approved
83 Jermyn Street London SW1Y 6JD
Display of externally illuminated fascia signs measuring 0.375m x 1.04 and 0.23 x 0.2m an…
22/05247/ADV
2022
36 Jermyn Street London SW1Y 6DN
Display of two illuminated canopy branchlight decorations and 14 off floor mounted decora…
22/05538/ADV
2022
St James's Church 197 Piccadilly London W1J 9ET
Erection of 3-storey extension to Piccadilly Building to east and south and addition of n…
22/05329/FULL
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