91 Gloucester Place London W1U 6JG Data via plota.co.uk

26/06080/CLEUD - Certificate of Lawfulness (existing) Pending
Admin / procedural

Proposal

Certificate of lawfulness for an existing use or development to confirm that the development authorised by full planning permission ref. & listed building consent (RN ) has lawfully commenced as a result of the works evidenced. Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
7 Sept 2026
Decision
Expected by 2 Nov 2026

Under consideration

No decision has been issued yet. A decision is expected by 2 Nov 2026.

Documents 8

Plans & drawings 1

PDF LOCATION_PLAN Drawing · 7 Sept 2026 View ↗

Application forms 2

PDF APPLICATIONFORMREDACTED Application Form · 7 Sept 2026 View ↗ PDF FEECALCULATION Background Papers · 7 Sept 2026 View ↗

Other documents 5

PDF RECEIPT OF APPLICATION Other · 14 Sept 2026 View ↗ PDF ATTACHMENTSUMMARY Background Papers · 7 Sept 2026 View ↗ PDF PHOTOGRAPHIC EVIDENCE - 91 GP Background Papers · 7 Sept 2026 View ↗ PDF COVER LETTER Background Papers · 7 Sept 2026 View ↗ PDF CLIENT LETTER Background Papers · 7 Sept 2026 View ↗

All documents on the council site ↗

Associated applications 4

  • Part of

    FullApprovedcouncil archive

    Conditions 5 awaiting decision

  • FullApprovedcouncil archive

Site constraints 9

Grade II listed: 83-97, Gloucester Place W1
List entry 1289316 · The pin is inside its outline · 58 more listed buildings within 150 m (58 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 58 with distances
Historic England ↗
Portman Estate 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 Named permitted development rights are withdrawn here.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.
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 ↗
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
National infrastructure project 409 m away: London Strategic Heat Main Project, at pre-application; Inside the City of Westminster built-up area; Public transport access: PTAL 6b (excellent), TfL 2023, for the 100 m square; Heritage at risk 84 m away: 94 and 100, Gloucester Place.
Not affected
Outside flood zones 2 and 3 · Not green belt · No scheduled monument at the site

Checked on 6 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.

Sales history 1

Last sold for £8,963,977 in June 2023. Terraced house, freehold.

15 June 2023£8,963,977Recorded as a transfer outside a standard sale

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

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Important details

Council
Westminster
Application type
Certificate of Lawfulness (existing)
Postcode
W1U 6JG
Received
7 Sept 2026
Validated
7 Sept 2026
Ward
Marylebone
Case officer
Show
Target decision
2 Nov 2026
Agent
Firstplan Ltd
Freehold owner
Show

Public comments

No public comments yet.

71 neighbours consulted · Last counted 5 Oct 2026

Read the comments on the council site ↗

Consultation & key dates

Alt. reference
PP-14941673
Planning Portal ref
PP-14941673
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

2022 Approved
Erection of a single storey rear extension at ground floor level and the removal of the 1…
22/08386/LBC
2022 Approved
Erection of a single storey rear extension at ground floor level to extend a dwelling (Cl…
22/08385/FULL
2021 Approved
Structural repair to second floor and remedial work to the first floor ceiling.
21/00629/LBC
Within ~100m

Nearby activity

2025 Approved
28 Dorset Street London W1U 8AR
Variation of Condition 1 of planning permission dated 22nd May 2024 (RN:23/07147/FULL) fo…
25/06073/FULL
2025
70 Gloucester Place London W1U 8HP
Waterproofing of underpavement vaults using cavity membrane system.
25/08176/LBC
2025
Flat 2 70 Gloucester Place London W1U 8HP
Internal alterations including refurbishments; replacement of sound insulation within the…
25/07932/LBC
2025 Refused
Flat 2 70 Gloucester Place London W1U 8HP
Creation of new opening between the kitchen and living room, new non load bearing partiti…
25/04362/LBC
2025 Approved
75 Gloucester Place London W1U 8JP
Minor external repairs to the original roof, elevations and windows, DOFF cleaning of mas…
25/04516/LBC
2025
90 Gloucester Place London W1U 6HS
Installation of external plant equipment, internal air conditioning units, and the runnin…
25/06362/LBC
2025
90 Gloucester Place London W1U 6HS
Installation of external plant equipment and associated external alterations. (Linked to…
25/06361/FULL
2025 Approved
Flat 11 99 Gloucester Place London W1U 6JL
Installation of bio-bidet on the existing WC at second floor level.
25/04214/LBC
2025
14 Upper Montagu Street London W1H 2PD
Installation of an ASHP in the rear courtyard and minor internal alterations to the build…
25/04687/LBC
2025
14 Upper Montagu Street London W1H 2PD
Installation of an ASHP in the rear courtyard and installation of slimiline double glazed…
25/04686/FULL
2025
7 Montagu Mews North London W1H 2JU
Demolition of existing dwelling and replacement with a new three bedroom dwelling (Class…
25/04369/FULL
2025 Approved
90 Gloucester Place London W1U 6HS
Display for a temporary period of six months of a non-illuminated 'to let' board attached…
25/00368/AD7
2025
111 Gloucester Place London W1U 6JP
Repair and retile concrete front entrance steps. (Linked with 25/00175/FULL)
25/00176/LBC
2025
111 Gloucester Place London W1U 6JP
Alterations to the front entrance steps and entrance flooring. (Linked with 25/00176/LBC)
25/00175/FULL
2025
85 Gloucester Place London W1U 6JE
Renewal of existing communal area balustrading from first to fifth floor.
25/00042/LBC
2024
Ground Floor Flat 5 Montagu Place London W1H 2ES
Internal Alterations to include refurbishment of existing apartment.
24/05442/LBC
2024 Approved
Flat 98 2-4 Montagu Mansions London W1U 6LF
Replacement of existing windows including French doors at front and rear third floor leve…
24/00158/FULL
2024
71 Gloucester Place London W1U 8JW
Internal upgrades, repair and extension of a Georgian Townhouse; replacement of redundant…
24/05291/LBC
2024
71 Gloucester Place London W1U 8JW
Internal upgrades, repair and extension of a Georgian Townhouse; replacement of redundant…
24/05290/FULL
2024 Approved
Flat 14 Montagu Court 27 - 29 Montagu Square London W1H 2LG
Installation of a condenser unit at main roof level within an acoustic enclosure.
24/02627/FULL
2018 Withdrawn
103 Gloucester Place London W1U 6JN
Variation of Condition 1 of listed building consent dated 25 April 2017 (RN: 17/00609) fo…
18/05414/LBC
2018 Withdrawn
103 Gloucester Place London W1U 6JN
Variation of Condition 1 of planning permission dated 25 April 2017 (RN: 17/00618) for Al…
18/05413/FULL
2018 Refused
12 Upper Montagu Street London W1H 2PB
Internal and external alterations to building.
18/04250/LBC
2018 Approved
4 Montagu Place London W1H 2ES
Amendments to rooflight compromising removal of the existing damaged rooflight so it can…
18/04534/LBC
2018 Refused
74 Gloucester Place London W1U 6HH
Display for a temporary period of six months of a non-illuminated estate agent board atta…
18/03953/AD7
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

Freehold owner: Information produced by HM Land Registry. © Crown copyright 2026. Source: HM Land Registry, UK and overseas companies that own property in England and Wales, September 2026 release.