Palace Of Westminster St Margaret Street London SW1P 3JX Data via plota.co.uk
26/03264/CLLB - Cert of Law - Prposed works to LB
Approved
Proposal
Certificate of Lawfulness for proposed internal and external wall surveys and staircase surveys to inform the Restoration and Renewal Programme for the Palace of Westminster. Data via plota.co.uk
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Application progress
✓
Received
14 May 2026
✓
Approved
25 Jun 2026
Approved on 25 Jun 2026 · Delegated Decision · Last checked 7 Jul 2026
Documents 5
Application forms 1
Consultation & comments 1
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Important details
- Council
- Westminster
- Application type
- Cert of Law - Prposed works to LB
- Postcode
- SW1P 3JX
- Received
- 14 May 2026
- Validated
- 14 May 2026
- Ward
- St James's
- Case officer
- Show
- Target decision
- 25 Jun 2026
- Decision
- Application Permitted
- Decision date
- 25 Jun 2026
- Decision level
- Delegated Decision
- Applicant
- Show
- Agent
- Antonia May
Consultation & key dates
- Alt. reference
- CONFIDENTIAL
- Env. assessment
- No
Historical activity at this location
50 previous applications on record - archival context, not part of the live application.
This property
Previous applications at this address
2025
Withdrawn
Display of 3 lamp double sided digitally printed PVC column banners along St Margaret Str…
2025
Structural monitoring survey to inform the Restoration and Renewal Programme for the Pala…
2025
Proposed ceiling and floor void surveys to inform the Restoration and Renewal Programme f…
2024
Proposed ceiling and floor void surveys to inform the Restoration and Renewal Programme f…
2024
Approved
Archaeological Evaluation, comprising trial pits and geoarchaeological boreholes, to info…
2024
Ground investigation survey comprising boreholes on the River Terrace to inform the resto…
2024
Ground investigation survey comprising boreholes on the River Terrace to inform the resto…
2024
Approved
Ceiling and floor void surveys.
2023
Approved
Ground investigations survey comprising 3no. boreholes at the Palace of Westminster to in…
2022
Approved
Ground investigations survey including 18 boreholes
2022
Approved
Intrusive pull out tests to window surrounds and walls.
2022
Approved
Proposed structural intrusive surveys
2021
Approved
The opening up of lath and plaster ceilings in four locations across the Palace.
2021
Approved
Installation of CCTV cameras and access control devices to existing doors in various loca…
2020
Approved
Ground investigations associated with the Victoria Tower fabric safety and west perimeter…
2020
Approved
Installation of CCTV cameras and access control devices to existing doors in various loca…
2020
Approved
Installation of CCTV cameras and access control devices to existing doors in various loca…
2020
Approved
Installation of CCTV cameras and access control devices to existing doors in various loca…
2020
Approved
Installation of CCTV cameras and access control devices to existing doors in various loca…
2020
Approved
Creation of a service channel, trench under the existing Colonnade floor to facilitate El…
2018
Approved
Installation of access control (card reader) devices to four doors and automatically rele…
2016
Approved
Refurbishment and alteration to 'Elizabeth Tower', including installation of a lift and a…
2016
Approved
Refurbishment and alteration to 'Elizabeth Tower', including installation of a lift and a…
2016
Approved
Internal alterations.
2016
Approved
Display of 82 security signs and 2 directional signs measuring between 0.14m x 0.30m and…
Within ~100m
Nearby activity
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2025
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2024
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2024
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2023
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Variation of condition 1 of planning permission dated 11 September 2019 (RN: 19/05268/FUL…
2023
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Variation of condition 5 of planning permission dated 05 February 2019 (RN: 18/10486/FULL…
2022
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Facade gommage cleaning to the Portland Stone elevations of The Supreme Court building.
2022
Approved
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Masons Yard2 x London planes (T2898 and 2899): Reduce lower growth over St Margaret's Chu…
2021
Approved
St Margarets Church St Margaret Street London SW1P 3JX
2 x Indian bean trees (T3 and T4, opposite parliament by traffic lights): Reduce crowns t…
2016
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House Of Commons Palace Of Westminster Parliament Square London SW1A 0RS
External alterations to visitor waiting area including the removal of flat glass roof fro…
2016
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House Of Commons Palace Of Westminster Parliament Square London SW1A 0RS
External alterations to visitor waiting area including the removal of flat glass roof fro…
2020
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Abbey Garden Great College Street London SW1P 3RX
1 x London plane T1: Prune back from property by 3 m to suitable branch junctions to main…
2020
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Subway Parliament Street/Parliament Square London
Use of an area of land to the rear of Westminster Station Underground entrance/exit on th…
2019
Approved
Westminster Abbey Dean's Yard London SW1P 3PP
Provision of visitor access to the west front of the Westminster Abbey through the constr…
2019
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Westminster Abbey Dean's Yard London SW1P 3PP
Improvements to security of Canons' gardens by raising height of garden wall by 900mm and…
2019
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New Palace Yard London
6 x Indian bean trees: severance of roots of less than 25 mm diameter to a depth of up to…
2019
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Subway Parliament Street/Parliament Square London
Use of an area of land to the rear of Westminster Station Underground entrance/exit on th…
2018
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St Margarets Church St Margaret Street London SW1P 3JX
Reinstatement of historic clock to the north elevation of the tower.
2018
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New Palace Yard London
Installation of new outer gates and railings.
2019
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Westminster Abbey Dean's Yard London SW1P 3PP
Request for an Environmental Impact Assessment (EIA) Screening Opinion under Regulation 6…
2016
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Westminster Abbey Dean's Yard London SW1P 3PP
Variation of Condition 1 of planning permission dated 17 February 2015 (RN: 14/10310/FULL…
2016
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House Of Commons Palace Of Westminster Parliament Square London SW1A 0RS
Alterations to existing and provision of new security signage around the boundary of the…
2016
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Supreme Court Of The United Kingdom Parliament Square London SW1P 3BB
Installation of one new bronze plaque at the entrance hall of the ground floor.
2016
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Parliament Square London SW1P 3JX
Display of Dream Jar Sculpture measuring 800mm-1000mm by 1279mm-1840mm with three plaques…
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Use of the public highway for a temporary period of 49 days from 21 July 2016 to 7 Septem…
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 performance
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
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Palace Of Westminster St Margaret Street London SW1P 3JX
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