Flat 1 8 Upper Montagu Street London W1H 2PB Data via plota.co.uk
Proposal
Replacement of existing windows with timber slimline double-glazed windows, including two bay windows, and replacement of lower ground floor French doors with a double-glazed casement window. (Linked to 26/04890/LBC) Data via plota.co.uk
Application progress
This application is under consideration - no decision has been issued yet. Plota predicted a decision around 5 Oct 2026; it is now day 76.
Documents 32
Statements & assessments 3
Plans & drawings 27
Application forms 1
Other documents 1
Associated applications 2
- FullReplacement of existing windows with timber slimline double-glazed windows, including two bay…This application26/04889/FULL
Site constraints 6
Show the other 65 with distances
- 6 m10, Upper Montagu Street W1Grade II
- 20 m12-16, Upper Montagu Street W1Grade II
- 27 m30, Montagu Square W1Grade II
- 29 m7-11, Upper Montagu Street W1Grade II
- 34 m13, Upper Montagu Street W1Grade II
- 35 m18 and 20, Upper Montagu Street W1Grade II
- 35 m4 and 5, Montagu Place W1Grade II
- 45 m15-19, Upper Montagu Street W1Grade II
- 54 m105A, CRAWFORD STREET W1 (See details for further address information)Grade II
- 54 m1-3, Montagu Place W1Grade II
- 58 m33 and 34, Montagu Square W1Grade II
- 64 m112 and 113, Crawford Street W1Grade II
- 68 m35, Montagu Square W1Grade II
- 70 m13, Montagu Place W1Grade II
- 72 m114 and 115, Crawford Street W1Grade II
- 75 m36, Montagu Square W1Grade II
- 78 m83-97, Gloucester Place W1Grade II
- 79 m24-26, Montagu Square W1Grade II
- 81 m116 and 117, Crawford Street W1Grade II
- 83 m28, Upper Montagu Street W1Grade II
- 87 m37-39, Montagu Square W1Grade II
- 96 m14 and 15, Crawford Street W1Grade II
- 97 m23, Montagu Square W1Grade II
- 99 m2, Wyndham Place W1Grade II
- 99 m25-37, Upper Montagu Street W1Grade II
- 100 m40, Montagu Square W1Grade II
- 101 m1A, BRYANSTON SQUARE W1 (See details for further address information)Grade II
- 104 m20-22, Montagu Square W1Grade II
- 105 m3-6, Wyndham Place W1Grade II
- 106 m41, Montagu Square W1Grade II
- 111 mDuke of Wellington Public HouseGrade II
- 111 m118, CRAWFORD STREET W1 (See details for further address information)Grade II
- 113 m72-76, Gloucester Place W1Grade II
- 115 m47, York Street W1Grade II
- 116 m45, York Street W1Grade II
- 117 m43, York Street W1Grade II
- 119 m49, York Street W1Grade II
- 119 m39 and 41, York Street W1Grade II
- 120 m42 and 43, Montagu Square W1Grade II
- 120 m99-111, Gloucester Place W1Grade II
- 123 m51-57, York Street W1Grade II
- 123 m23, Dorset Street W1Grade II
- 124 m7 AND 7A, WYNDHAM PLACE W1 (See details for further address information)Grade II
- 126 mWater Pump at North End of Central GardenGrade II
- 126 m44, Montagu Square W1Grade II
- 126 m19, Montagu Square W1Grade II
- 127 m29-37, York Street W1Grade II
- 127 m26, Dorset Street W1Grade II
- 130 m27, Dorset Street W1Grade II
- 130 m42-70, Gloucester Place W1Grade II
- 131 m14-16, Wyndham Place W1Grade II
- 132 m45, Montagu Square W1Grade II
- 133 mSt Marleybone Western National SchoolGrade II
- 133 m120, Crawford Street W1Grade II
- 134 m18, Montagu Square W1Grade II
- 135 m94, CRAWFORD STREET W1 (See details for further address information)Grade II
- 139 m46, Montagu Square W1Grade II
- 141 m54-54a, York Street W1Grade II
- 141 m52, York Street W1Grade II
- 141 m25,25a and 26, Bryanston Square W1Grade II
- 142 m42-50, York Street W1Grade II
- 147 m37, Crawford Street W1Grade II
- 149 m13-17, Montagu Square W1Grade II
- 150 m8, Wyndham Place W1Grade II
- 150 m94-104, Gloucester Place 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.
Sales history 2
Last sold for £755,000 in April 2006. Flat or maisonette, leasehold.
Sale prices from HM Land Registry's price paid record, matched to this application by its address.
Every application in Westminster - and every UK council - as a live feed, an API, or a bulk CSV export.
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Important details
- Council
- Westminster
- Application type
- Full Planning Permission Application
- Postcode
- W1H 2PB
- Received
- 21 Jul 2026
- Validated
- 21 Jul 2026
- Ward
- Marylebone
- Case officer
- Show
- Target decision
- 15 Sept 2026
- Applicant
- Show
- Agent
- Openeight Ltd
Decision outlook
Day 76, past the statutory target. 84% of extensions in Westminster are decided within thirteen weeks, which runs to 20 Oct 2026; extensions of time are common, and the council need not decide on the day. Last seen undecided on 3 Oct 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.
14 neighbours consulted · Last counted 3 Oct 2026
Consultation & key dates
- Alt. reference
- PP-15100090
- Env. assessment
- No
Historical activity at this location
27 previous applications on record - archival context, not part of the live application.
Previous applications at this address
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.
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
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Flat 1 8 Upper Montagu Street London W1H 2PB
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