Planning application
13-14 Devonshire Street London W1G 7AE
Works: Extension Windows or glazing
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Amendments to approved scheme (RN:10/02378/FULL) for temporary use of basement, ground, and first floors at Nos. 13 and 14 Devonshire Street and second floor at No.13 Devonshire Street as (Class D1) medical use. Permanent use of third and fourth floors at Nos. 13 and 14 Devonshire Street and second floor at No.14 Devonshire Street as medical use. Infill of rear lightwell with glazed roof at basement and ground. Installation of new plant equipment within enclosure at rear boundary at ground floor level. (Part of a land use swap with 18 Upper Wimpole Street and 20 Upper Wimpole Street), namely the formation of two doorways into rear basement lightwell.
As published by the council, reference 10/10084/NMA
Application record
- Reference
- 10/10084/NMA
- Type
- Non-material amendments
- Status
- Decided
- Decision
- Granted As published: Application Permitted
- Received
- 19 Nov 2010
- Validated
- 19 Nov 2010
- Decided
- 7 Dec 2010
- Ward
- Marylebone High Street
- Decision by
- Delegated Decision
- Postcode
- W1G 7AE
Site history
Applications at this address on the Westminster register
This site has had 4 applications since 2010: 4 approved, 0 refused.
-
11/05395/ADLBC Granted
13-14 Devonshire Street London W1G 7AE
Approval of details pursuant to Condition 4 of listed building consent dated 7 December 2010 (RN:10/10124), namely detailed drawings of the proposed doors.
-
10/07823/ADFULL Granted
13-14 Devonshire Street London W1G 7AE
Approval of details pursuant to Condition 9 (ii), partial 9 (iii) and partial 9 (iv) of planning permission dated 7 July 2010 (RN: 10/02378) namely, residential conversion works of 20 Upper Wimpole Street at ground and basement level. notification and site inspection in accordance with planning permission dated 16.1.2008 (RN: 08/09501/FULL).
-
10/03179/ADLBC Granted
13-14 Devonshire Street London W1G 7AE
Details of drawings of strong room door pursuant to Condition 4 (part) of listed building consent dated 16 February 2010 (RN: 09/09893).
Timeline
Dates from the published record
-
19 Nov 2010
Received by Westminster
-
7 Dec 2010
Decision issued: Application Permitted
-
29 Jul 2026
Added to PlanIndex
Who's behind it
Company information only, from the register and Companies House
ESA Planning Agent, a planning consultancy
11 applications on PlanIndex · across 2 councils · 100% granted
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See their track recordDocuments
Plans, drawings, consultee responses and the officer's report
5 documents on file for this application
A planning file usually holds the application form, drawings and site plans, consultee responses, the officer's report and the decision notice.
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Open the documentsWhat this grant of permission means
Westminster granted permission on 7 December 2010, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. More in our guide to what happens after a planning decision.
About amendment applications
An amendment application makes limited changes to a permission that already exists; anything beyond modest adjustment needs a fresh application. More in our guide to planning application types.
Nearby applications
Within 0.3 miles
-
13-14 Devonshire Street London W1G 7AE
Approval of details pursuant to Condition 4 of listed building consent dated 7 December 2010 (RN:10/10124), namely detailed drawings of the proposed doors.
Granted Conditions 4 docs -
13-14 Devonshire Street London W1G 7AE
Approval of details pursuant to Condition 9 (ii), partial 9 (iii) and partial 9 (iv) of planning permission dated 7 July 2010 (RN: 10/02378) namely, residential conversion works of 20 Upper Wimpole Street at ground and basement level. notification and site inspection in accordance with planning permission dated 16.1.2008 (RN: 08/09501/FULL).
Granted Full applications 3 docs -
13-14 Devonshire Street London W1G 7AE
Details of drawings of strong room door pursuant to Condition 4 (part) of listed building consent dated 16 February 2010 (RN: 09/09893).
Granted Conditions 5 docs -
12 Devonshire Street London W1G 7AB
100% historically approved · decision due ~6 Oct
T1 - London Plane (rear) - Large courtyard tree extending over adjacent buildings and gardens - Remove deadwood throughout crown - Carry out an aerial inspection of tree canopy to visually inspect for Massaria app and remove affected branches if found - Prune to clear client's building and ensure 2m clearance minimum.
Awaiting decision Trees -
17 Devonshire Street London W1G 7AG
Display for a temporary period of six months of a non-illuminated 'to let' board attached to the railings in front of the building at street level and measuring 0.6m x 0.45m.
Granted Advertising 3 docs -
Third Floor Flat 17 Devonshire Street London W1G 7AG
Approval of details pursuant to Condition 3 of planning permission dated 15 July 2010 (RN:09/07825); namely confirmation that works to convert the ground floor of 1A Upper Wimpole Street into residential accommodation in connection with the use of the ground, first and second floors of the building as a maisonette has been completed.
Granted Full applications 4 docs
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26/07459/NMA Awaiting decision
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Amendments to planning pemrission dated 10 October 2025 (RN: 25/01558/FULL) for the: Partial demolition, refurbishment and extension of the existing building to provide a sub-basement, basement, ground plus eight storey building; infilling and stepped rear extension; excavation of a new sub-basement level; installation of new plant equipment at basement and roof level; terraces at fourth, fifth, sixth, seventh and eighth floor levels; soft and hard landscaping; reprovision of car parking; new cycle parking facilities; and associated external works. Use of the building for retail and/or restaurant (Class E) on part ground floor and office (Class E) on all other floors. NAMELY, to allow alterations to the design of the ground floor frontages on Hanover Square and St George Street.
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26/07389/NMA Decided
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Amendments to planning permission dated 04 June 2025 (RN: 25/02022/FULL), NAMELY, amendment of Condition 4 to correct the property address from 9 Aldridge Road Villas to Flat 1 5 Grittleton Road.
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26/07377/NMA Awaiting decision
60 Ledbury Road London W11 2AJ
Amendments to planning permission dated 2nd October 2025 (RN 25/04018/FULL) for the Partial demolition, refurbishment, and erection of a mansard roof extension to form a new third floor with dormers to front, side and rear elevations; to form 6 flats (Class C3) on upper floors; external plant equipment and ductwork; lower ground floor excavation to increase floor to ceiling height; replacement windows; cycle parking and associated external alterations; use of the part ground floor and lower ground floor as retail and restaurant (Class E). Site includes 60-68 Ledbury Road) NAMELY, An amendment to the basement and ground floor drawing reference numbers; amendment to the description of development, in reference to restaurant and or retail use; and amendments to C
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26/07375/NMA Awaiting decision
77 Hereford Road London W2 5BB
Amendments to planning permission dated 4th August 2026 (RN 26/03970/FULL) for the Replacement of roof terrace access stair with glazed hatch, new timber decking and front and rear roof railings to roof terrace, with infilling side window of closet wing. NAMELY, Hinged hatch access substituted by sliding hatch.
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26/07312/NMA Awaiting decision
15 Rodmarton Street London W1U 8BL
Amendment to planning permission dated 5 May 2026 (26/00539/FULL) for: Erection of a single storey conservatory at rear ground floor level, use of the garage as internal living accommodation and installation of a new skylight at main roof level namely, to allow a reduction in the size of the rear orangery and alterations to its roof arrangement.