10 Buckingham Gate London SW1E 6LA Data via plota.co.uk

26/06921/FULL - Full Planning Permission Application Pending
Extensions & alterationsListed buildingsSolar & renewablesUtility infrastructure

Proposal

Replacement of window with door, installation of external platform lift and associated entrance alterations; alterations to windows and doors; installation of air source heat pumps, photovoltaic panels and associated plant at roof level; installation of ventilation equipment; and associated works. (Linked with 26/06922/LBC) Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
9 Oct 2026
Decision
Expected by 4 Dec 2026

Under consideration

No decision has been issued yet. Plota predicts a decision between 29 Nov 2026 and 8 Dec 2026, from Westminster's recent extensions.

Documents

View the documents on the council's website ↗

Associated applications 2

Site constraints 12

Grade II listed: Duchy of Cornwall Office
List entry 1357251 · The pin is inside its outline · 18 more listed buildings within 150 m (4 Grade I, 2 Grade II*, 12 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 18 with distances
Historic England ↗
Flood zone 3, rivers and sea
High chance: a 1 in 100 or greater annual chance from rivers, or 1 in 200 from the sea. Any development here needs a flood risk assessment. Defences are not counted.
The Environment Agency flood map for planning. Homes in zone 3 must also pass the sequential test. Surface water flooding is a separate map.
Flood map ↗
Birdcage Walk 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 Named permitted development rights are withdrawn here.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 ↗
Registered park or garden 33 m away: Buckingham Palace
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 ↗
Habitat network: Network Enhancement Zone 2
Where habitat is joined up enough to work as a network. Context, not a constraint on its own.
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.
National infrastructure project 831 m away: Thames Tideway Tunnel
The site is 831 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, 366 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
Inside the City of Westminster built-up area; Public transport access: PTAL 6b (excellent), TfL 2023, for the 100 m square.
Not affected
Not green belt · No scheduled monument at the site

Checked on 15 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.

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23 Sept 2026Approved

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Important details

Council
Westminster
Application type
Full Planning Permission Application
Postcode
SW1E 6LA
Received
9 Oct 2026
Validated
9 Oct 2026
Ward
St James's
Case officer
Show
Target decision
4 Dec 2026
Applicant
Show
Agent
Newmark

Decision outlook

Day 19 of the 56-day target. Westminster usually decides extensions by day 55.

Day 1937 days to the 56-day target
56%decided within 8 weeks
88%approved
1,688decided 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.

24 neighbours consulted · Last counted 23 Oct 2026

Read the comments on the council site ↗

Consultation & key dates

Alt. reference
PP-15113462 - CONFIDENTIAL
Env. assessment
No

Historical activity at this location

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

This property

Previous applications at this address

2024
Details of removal of paint, a detailed assessment of the underlying masonry and written…
24/02131/ADFULL
2024 Approved
Details of paint removal pursuant to Condition 4 of listed building consent dated 5 Febru…
24/01894/ADLBC
2024
Detailed method statement for paint removal pursuant to Condition 4 (A) of planning permi…
24/01325/ADFULL
2023 Approved
Repair works to the external elevations and the roof, including paint removal, works to t…
23/03837/FULL
Within ~100m

Nearby activity

2025 Approved
20 Buckingham Gate London SW1E 6LB
Regulation 5 Notice of Intention to Install Fixed Line Broadband Apparatus to a Listed Bu…
25/06215/TELNOT
2025 Approved
Buckingham Palace The Mall London SW1A 1AA
Existing basement door opening for WC refurbishment works.
25/04171/LBC
2025
63 Catherine Place London SW1E 6DY
Use of the building as four flats (Class C3) and alterations to lower ground floor front…
25/02939/FULL
2025
Buckingham Palace The Mall London SW1A 1AA
Fire alarm installation within the West Wing.
25/00088/LBC
2024
Buckingham Palace The Mall London SW1A 1AA
Replacement of two fire curtains and associated works at ground floor.
24/07842/LBC
2024
4 - 5 Buckingham Gate London SW1E 6JP
Use of the Building as an Embassy (sui generis) and associated external and internal alte…
24/06734/FULL
2024
4 - 5 Buckingham Gate London SW1E 6JP
Use of the Building as an Embassy (sui generis) and associated external and internal alte…
24/06735/LBC
2024
Buckingham Palace The Mall London SW1A 1AA
Infill of existing Lightwell to form 2 no. new lifts to provide access to all levels. Pro…
24/06086/LBC
2024
Buckingham Palace The Mall London SW1A 1AA
Trench remedials within Zones 3.3, 4.1 and 4.2 at basement level of the North Wing
24/06075/LBC
2024 Approved
3 Buckingham Mews London SW1E 6NR
Erection of new mansard roof extension at front of building; installation of plant within…
24/00419/FULL
2023 Approved
Buckingham Palace The Mall London SW1A 1AA
Display of two non-illuminated fascia signs measuring approximately 4.7m x 0.15m and 0.87…
23/08854/ADV
2023 Approved
Buckingham Palace The Mall London SW1A 1AA
132 Cherry: Remove damaged limb at 3m214 Cherry: Fell due to condition218 Holly: Fell to…
23/08606/TCA
2023 Approved
Buckingham Palace The Mall London SW1A 1AA
Services replacement in the South Wing; internal layout changes. (Linked with 23/00240/FU…
23/00241/LBC
2023 Approved
Buckingham Palace The Mall London SW1A 1AA
Services replacement in the South Wing. (Linked with 23/00241/LBC)
23/00240/FULL
2023
Buckingham Palace The Mall London SW1A 1AA
Alterations at Basement level, namely amendments to the distribution of electrical servic…
23/06375/LBC
2023 Approved
6 Buckingham Mews London SW1E 6NR
Variation of Condition 1 of planning permission dated 12 December 2022 (RN: 22/03987/FULL…
23/04870/FULL
2023 Approved
16 Buckingham Gate London SW1E 6LB
Alterations and repairs to roof.
23/04341/LBC
2023 Approved
Buckingham Palace The Mall London SW1A 1AA
Installation of condenser units and associated minor extension of existing maintenance wa…
23/00325/LBC
2023 Approved
16 Stafford Place London SW1E 6NP
1x magnolia (T1, rear): crown reduce to the previous reduction points by up to 2 m
23/03174/TCA
2023 Approved
Buckingham Palace The Mall London SW1A 1AA
Internal alterations including: formation of new vertical services riser in Lightwell 3…
23/00105/LBC
2016 Approved
Buckingham Palace Buckingham Gate London SW1E 5HE
Minor modifications to cabinets within Glass and China Pantry and Glass and China Store.
16/02337/LBC
2016 Approved
Basement 22 Buckingham Gate London SW1E 6PB
Change of use of part of lower ground floor of 21 Buckingham Gate as residential accomoda…
16/01277/FULL
2016 Approved
21 Buckingham Gate London SW1E 6LS
Erection of lift overrun.
16/01272/FULL
2016 Approved
Queens Gallery And Royal Kitchen Buckingham Palace The Mall London SW1A 1AA
Display of Dream Jar Sculpture measuring 800mm wide x 1000mm deep by 1279mm to 1840mm hig…
16/04936/ADV
2016 Approved
Wellington Barracks Buckingham Gate London SW1E 6LB
Installation of air conditioning plant with associated screening at ground floor level to…
16/02043/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