4 Marylebone Mews London W1G 8PY Data via plota.co.uk
Proposal
Internal refurbishment including replacement of glazing to windows, clerestory, rooflights, entrance door and sidelights and minor external alterations. [Linked to 26/04439/FULL] Data via plota.co.uk
Application progress
This application is under consideration - no decision has been issued yet. Plota predicted a decision around 14 Sept 2026; it is now day 73. The consultation period closed on 26 Aug 2026.
Documents 1
Other documents 1
Associated applications 2
- Listed buildingInternal refurbishment including replacement of glazing to windows, clerestory, rooflights…This application26/04440/LBC
Site constraints 7
Show the other 53 with distances
- 21 m28-32, Welbeck Street W1Grade II
- 43 m61 and 62, Wimpole Street W1Grade II
- 52 m43-45, Welbeck Street W1Grade II
- 52 m23 and 24, Welbeck Street W1Grade II
- 63 m67, Wimpole Street W1Grade II
- 63 m21 and 22, Welbeck Street W1Grade II
- 69 m45, New Cavendish Street W1Grade II
- 71 m24, Wimpole Street W1Grade II
- 72 m23, Wimpole Street W1Grade II
- 73 m58, Queen Anne Street W1Grade II
- 73 m56, Queen Anne Street W1Grade II
- 74 m69, Wimpole Street W1Grade II
- 75 m52 and 54, Queen Anne Street W1Grade II
- 77 m50, Queen Anne Street W1Grade II
- 78 m28, 29 and 29a, Wimpole Street W1Grade II
- 79 m48, Queen Anne Street W1Grade II
- 79 m70, Wimpole Street W1Grade II
- 82 m46, Queen Anne Street W1Grade II
- 83 m71, Wimpole Street W1Grade II
- 85 m18-20, Wimpole Street W1Grade II
- 87 m54-57, Wimpole Street W1Grade II
- 90 m48, Welbeck Street W1Grade II
- 95 m49, Welbeck Street W1Grade II
- 95 m17, Wimpole Street W1Grade II
- 99 m30, 30a, 30b and 31, Wimpole Street W1Grade II
- 100 m3-7, Bulstrode Street W1Grade II
- 100 m40, Queen Anne Street W1Grade II
- 104 m57, Queen Anne Street W1Grade II
- 106 m38, Queen Anne Street W1Grade II
- 112 m53, Wimpole Street W1Grade II
- 115 m14 and 16, New Cavendish Street W1Grade II
- 116 m33-36, Wimpole Street W1Grade II
- 116 m34, Queen Anne Street W1Grade II
- 117 m17, Welbeck Street W1Grade II
- 124 m37, Queen Anne Street W1Grade II
- 126 m74, Wimpole Street W1Grade II
- 127 m54, Welbeck Street W1Grade II
- 128 m51, Wimpole Street W1Grade II
- 129 m35, Queen Anne Street W1Grade II
- 131 m59, Harley Street W1Grade II
- 131 m28, Queen Anne Street W1Grade II
- 132 m1, Bentinck Street W1Grade II
- 135 m75-6, Wimpole StreetGrade II
- 135 m26, Queen Anne Street W1Grade II
- 136 m33, Queen Anne Street W1Grade II
- 139 mCrofton HouseGrade II
- 141 m13-16, Wimpole Street W1Grade II
- 142 m24, Queen Anne Street W1Grade II
- 142 m31, Queen Anne Street W1Grade II
- 144 m12-14, Welbeck Street W1Grade II
- 147 m65, Harley Street W1Grade II
- 147 m63, Harley StreetGrade II
- 149 m29, Queen Anne Street W1Grade II
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
- Listed Building Consent Application
- Postcode
- W1G 8PY
- Received
- 3 Jul 2026
- Validated
- 3 Jul 2026
- Ward
- Marylebone
- Case officer
- Show
- Target decision
- 28 Aug 2026
- Applicant
- Show
- Agent
- GCAD
Decision outlook
Day 73, past the statutory target. 88% of extensions in Westminster are decided within thirteen weeks, which runs to 2 Oct 2026; extensions of time are common, and the council need not decide on the day. Last seen undecided on 12 Sept 2026.
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 12 Sept 2026
Consultation & key dates
- Alt. reference
- PP-15060001
- Comments by
- 26 Aug 2026
- Site or press notice
- 5 Aug 2026
- Env. assessment
- No
Historical activity at this location
25 nearby applications on record - archival context, not part of the live application.
Nearby activity
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.
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4 Marylebone Mews London W1G 8PY
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