21 Jacob's Well Mews London W1U 3DR Data via plota.co.uk
Proposal
Conversion of the existing garage to additional living accommodation in association with dwellinghouse (Class C3); replacement of the garage door to incorporate opaque glazed panel, and provision of two secure cycle parking spaces. Data via plota.co.uk
Application progress
Approved on 7 Apr 2026 · Delegated Decision · Last checked 19 Oct 2026
Documents 19
Decision & officer reports 2
Statements & assessments 1
Plans & drawings 6
Application forms 2
Consultation & comments 1
Other documents 7
Site constraints 10
Show all 40 with distances
- 21 m1-5, Spanish Place W1Grade II
- 42 m22-25, Manchester Square W1Grade II
- 43 mRoman Catholic Church of St James (Spanish Place)Grade II*
- 43 m6, George Street W1Grade II
- 51 mHertford HouseGrade II
- 51 m33-35, Thayer Street W1Grade II
- 54 mPresbytery to the Roman Catholic Church of St JamesGrade II
- 60 m24, George Street W1Grade II
- 61 m11, Hinde Street W1Grade II
- 62 m12, Hinde Street W1Grade II
- 64 mDurrant's HotelGrade II
- 64 m21, Bulstrode Street W1Grade II
- 64 mDrinking Fountain in the forecourt of Hertford House (The Wallace Collection)Grade II*
- 69 mChurch House to Hinde Street Methodist ChurchGrade II
- 69 m19, Bulstrode Street W1Grade II
- 76 mHinde Street Methodist ChurchGrade II
- 94 mForecourt Walls, Gate Piers and Railings to Hertford HouseGrade II
- 99 m26, MANCHESTER SQUARE W1 (See details for further address information)Grade II
- 100 mTrinity College of MusicGrade II
- 106 m1-3, Manchester Square W1Grade II
- 108 mK6 Telephone Kiosk, junction of Mandeville Place and Hinde Street, MaryleboneGrade II
- 112 m2, Hinde Street W1Grade II
- 116 m14 and 16, New Cavendish Street W1Grade II
- 117 mWestmoreland Arms Public HouseGrade II
- 117 m9, Bentinck Street W1Grade II
- 121 m51 and 52, Manchester Street W1Grade II
- 122 mCrofton HouseGrade II
- 122 m8, Bentinck Street W1Grade II
- 127 m4-7, Manchester Square W1Grade II
- 129 m49 and 50, Manchester Street W1Grade II
- 132 m3-7, Bulstrode Street W1Grade II
- 136 m47 and 48, Manchester Street W1Grade II
- 137 m1a, Duke Street W1Grade II
- 144 m7-11, Robert Adam StreetGrade II
- 145 m1, Duke Street W1Grade II
- 145 m43-45, Welbeck Street W1Grade II
- 147 m47A, MANCHESTER STREET W1 (See details for further address information)Grade II
- 148 m2-5, Fitzhardinge Street W1Grade II
- 149 m14-18, Fitzhardinge Street W1Grade II
- 149 m2a, Duke Street W1Grade II
Checked on 2 November 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 3
Last sold for £2,150,000 in November 2014. Terraced house, freehold.
More than one property is recorded at this address: HM Land Registry does not always give the flat or unit.
Sale prices from HM Land Registry's price paid record, matched to this application by its address.
Building
From the energy performance certificate lodged in March 2013, the latest held for this property. The building may have changed since. View the certificate
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
- W1U 3DR
- Received
- 26 Sept 2025
- Validated
- 26 Sept 2025
- Ward
- Marylebone
- Case officer
- Show
- Target decision
- 7 Apr 2026
- Decision
- Application Permitted
- Decision date
- 7 Apr 2026
- Decision level
- Delegated Decision
- Applicant
- Show
- Agent
- studio elle architecture
How this decision compares
Decided in 193 days from validation, 117 days slower than Westminster's median of 76 for full applications. Approved, as 86% of full applications here are.
Plota live figures for full applications decided by Westminster in the last twelve months, from validation. Westminster decision record →
Public comments
No public comments yet.
5 neighbours consulted · Last counted 19 Oct 2026
Consultation & key dates
- Alt. reference
- PP-14362399
- Planning Portal ref
- PP-14362399
- Comments by
- 5 Nov 2025
- Site or press notice
- 2 Oct 2025
- 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.
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
Energy performance: Energy performance certificates from the Energy Performance of Buildings Register, Ministry of Housing, Communities and Local Government. Contains public sector information licensed under the Open Government Licence v3.0. © Crown copyright 2026.
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21 Jacob's Well Mews London W1U 3DR
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