Planning application
15A Devonshire Terrace London W2 3DW
Works: Extension
Decided. The decision notice on the council portal carries the outcome in full, including any conditions.
Proposal
Erection of an infill extension to basement courtyard to form new bedroom and internal alterations. (Linked with 26/03577/LBC)
As published by the council, reference 26/03576/FULL
Application record
- Reference
- 26/03576/FULL
- Category
- Full applications
- Status
- Decided
- Received
- 1 Jun 2026
- Validated
- 17 Jul 2026
- Decided
- 11 Sep 2026
- Ward
- Lancaster Gate
- Postcode
- W2 3DW
Timeline
Dates from the published record
-
1 Jun 2026
Received by Westminster
-
17 Jul 2026
Validated
Checked as complete and ready for consideration.
-
11 Sep 2026
Decision issued
-
11 Sep 2026
Added to PlanIndex
Who's behind it
Company information only, from the register and Companies House
Agent on file, a design practice registered in Gunnislake
Trade members see who it is, their full track record, and every application they have filed.
See who's behind itAfter the decision
Westminster has decided this application; the outcome above is the register's own wording and the decision notice on the council portal carries the detail. More in our guide to what happens after a planning decision.
About full applications
A full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.
Nearby applications
Within 500 metres
-
20 Devonshire Terrace London W2 3DW
90% historically approved · decision due ~30 Sep
Replacement mechanical equipment to front vault an boiler flue upgrade; replacement front door; and associated works. (Linked to 26/00924/FULL)
Awaiting decision Heritage and listed buildings -
20 Devonshire Terrace London W2 3DW
87% historically approved · decision due ~30 Sep
Replacement mechanical equipment to front vault an boiler flue upgrade; replacement front door; and associated works. (Linked to 26/00925/LBC)
Awaiting decision Full applications -
Flat 1 17 Devonshire Terrace London W2 3DW
Internal cleaning and repairs to address water damage to affected walls and floors including removal and replacement of skirting boards and architrave; replacement of internal floor coverings with timber plank floor covering and ceramic floor tiles; works to internal solid walls to remove and replace ceramic wall tiles from en-suite bathroom; and redecorate walls, ceilings, joinery and pipework.
Granted 11 docs -
29 Upbrook Mews London W2 3HG
Details of a sample of the obscure glazing, detailed drawings of the privacy screen at roof level and details of a sample of the slate used to clad the front and rear roof slopes must be natural grey slate pursuant to condition 5,6 and 7 of planning permission dated 24th June 2024 (RN:25/02311/FULL)
Granted Full applications Windows or glazing 11 docs -
10 Upbrook Mews London W2 3HG
89% historically approved · decision due ~26 Aug
Details of sample of the obscure glazing pursuant to condition 5 of planning permission dated 18 April 2023 (RN: 22/07278/FULL)
Decided Windows or glazing -
Flat 9 121 Gloucester Terrace London W2 3HB
87% historically approved · decision due ~27 Aug
Installation of slimline double-glazed windows to the front and rear. Internal alterations. [Linked to 26/04228/LBC]
Awaiting decision Full applications Windows or glazing 21 docs
Other full applications
In Westminster
-
26/06207/FULL Awaiting decision
8 Moscow Road London W2 4BT
Installation of rooftop plant and a metal plant enclosure, together with associated external alterations including the demolition of 7 (no.) existing chimney stacks, levelling of the parapet between Nos. 8-14 Moscow Road, and the installation of a new riser conduit and restaurant duct to the rear elevation
-
26/06175/FULL Awaiting decision
66 Chepstow Road London W2 5BE
Replacement of front and rear windows with vacuum glazing and slightly narrower glazing bars; replacement of front and basement access doors with new front door, fanlight and frame (vacuum-glazed) and new (vacuum-glazed) basement access door. (Linked with 26/05852/LBC)
-
26/06069/FULL Awaiting decision
36 Shepherd Market London W1J 7QR
Redecoration of timber frame and associated works. (Linked with 26/06069/FULL & 26/06070/ADV)
-
26/06047/FULL Awaiting decision
27 Upper Berkeley Street London W1H 7QN
External alterations to the shopfront and facade comprising repainting of the facade, window frames, sills and doors in Dulux Trade Weathershield, 'Coral Pink', satin finish; installation of two Greenwich-style retractable fabric awnings, one to each elevation, each recessed within the existing fascia into a housing box, with fabric and metalwork colour finishes to be confirmed and awning supplier prior to installation; installation of a single non-illuminated projecting sign comprising a cherry powder-coated metal bracket and top support (colour finish to be confirmed) and a cherry red painted timber sign (colour matched to RAL 3018), fixed at 45 degrees to the corner of the shopfront fascia, with a fret-cut metal logo. (Linked to 26/05569/LBC)
-
26/06028/FULL Awaiting decision
81 South Audley Street London W1K 1JJ
Alterations to roof including reinstatement of roof profile, new roof light, installation of two air source heat pumps; replacement windows and conversion of rear ground floor window into door opening; and installing a glass roof to cover the existing rear yard to create a walk-on terrace. (Linked to 26/06029/LBC)