Planning application
126 - 134 Baker Street London W1U 6SH
Works: New dwelling Extension Windows or glazing Major scheme
Read from the description, not a valuation. How we read the register
Decided. The decision notice on the council portal carries the outcome in full, including any conditions.
Proposal
Amendments to planning permission dated 10th November 2015 (RN:15/07396/FULL) for Erection of three storey extension at the rear of the building at second, third and fourth floor level and use of enlarged second to fourth floors as 11 flats (Class C3). Installation of plant within existing roof top plant room and plant within existing stairwell at roof level. Installation of photovoltaic panels and living roof at roof level and new entrance doors at ground floor level. Namely, changes to the extension at the rear of the building to alter the external appearance from a brick finish to a render finish, removal of two windows to side elevation to the extension to the rear of the building, replacement of existing retained windows to rear elevation (in lieu of installation of secondary internal glazing) and amending the wording of Condition 3 to enable the relocation of the cycle store to ground floor level.
As published by the council, reference 26/04634/NMA
Application record
- Reference
- 26/04634/NMA
- Category
- Amendments
- Status
- Decided
- Received
- 10 Jul 2026
- Validated
- 10 Jul 2026
- Postcode
- W1U 6SH
Site history
Applications at this address on the Westminster register
This site has had 2 applications since 2026.
-
26/06191/ADFULL Awaiting decision
126 - 134 Baker Street London W1U 6SH
Details of the mechanical ventilation system pursuant to condition 12 of planning permission dated 18th February 2026 (RN: 24/04852/FULL).
Timeline
Dates from the published record
-
10 Jul 2026
Received by Westminster
-
21 Jul 2026
Added to PlanIndex
-
11 Sep 2026
Status changed to Decided
Previously Pending.
After 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 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
-
126 - 134 Baker Street London W1U 6SH
89% historically approved · decision due ~5 Nov
Details of the mechanical ventilation system pursuant to condition 12 of planning permission dated 18th February 2026 (RN: 24/04852/FULL).
Awaiting decision -
128 Baker Street London W1U 6TZ
Display of externally illuminated fascia and projecting signs.
Granted Advertising 6 docs -
128 Baker Street London W1U 6TZ
Display of externally illuminated fascia sign and internally-illuminated projecting sign.
Refused Advertising 5 docs -
128 Baker Street London W1U 6TZ
Installation of new entrance doors and cladding to entrance pilasters.
Granted Full applications 10 docs -
6 Porter Street London W1U 6DD
Details of sample of the proposed stonework material pursuant to Condition 2 of planning permission dated 28 July 2009 (RN:09/03735).
Granted Full applications 2 docs -
6 Porter Street London W1U 6DD
Details of sample of the proposed stonework material pursuant to Condition 2 of planning permission dated 28 July 2009 (RN:09/03735).
Refused Full applications 2 docs
Other amendment applications
In Westminster
-
26/06251/NMA Awaiting decision
19 Cumberland Street London SW1V 4LS
Amendments to planning permission dated 20th March 2026 (RN:25/08960/FULL) for Lower ground floor rear infill extension with terrace above, replacement of rear first floor conservatory, new roof level rear single dormer with access to third floor roof terrace, alterations to windows and external refurbishment, namely the change of conservatory gable roof to a flat GRP roof.
-
26/06201/NMA Awaiting decision
Almack House 28 King Street St James's London SW1Y 6QW
Amendments to planning permission dated 16th April 2026 (RN:26/01487/FULL) for Installation of a mechanical plant at lower ground floor and installation of two grilles to two lower ground floor windows, namely change to approved grille.
-
26/06212/NMA Awaiting decision
10 - 11 Lancaster Gate London W2 3LH
Amendment to Condition 12 (Whole Life Carbon) of planning permission dated 19th April 2024 (RN 23/04044/FULL) for Change of use from hotel to residential use (Class C3) with associated internal alterations to create 11 new units and external alterations comprising reconfiguration and recladding of the rear extension and restoration of the existing building. Namely to include additional requirement to evidence and justify where benchmarks cannot be achieved, consider mitigation measures and if none, evidence that all mitigation measures have been exhausted. (Linked with RN 26/06213/ADFULL)
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26/06211/NMA Awaiting decision
15 Portland Place London W1B 1PT
Amendments to planning permission dated 21th July 2022 (RN:22/03521/FULL) for Variation of condition 5 of planning permission dated 11th April 2018 (17/10815/FULL) for the Use of the building for a temporary period of 20 years as a medical use (Use Class D1) personal to OM Tower LLP. Namely, to amend condition 3.
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26/06199/NMA Awaiting decision
33 - 35 Praed Street London W2 1NR
Amendments to planning permission dated 24th Septmebr 2024 (RN:24/03287/FULL) for Use of lower ground and ground floors as supermarket with ancillary bakery (Class E); Use of first, second and third floors as aparthotel with 19 bedrooms (Class C1); Installation of plant machinery and solar thermal panels at roof level, Replacement of windows; and associated external alterations. Namely, Introduction of two shawarma grill machines in the supermarket area at ground floor level; the introduction of a new canopy to provide ventilation for the two shawarma grill machines; and amendments to the ventilation design for the lower ground floor bakery canopy extract.