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Planning application

16 Beaumont Mews London W1G 6EJ

Decided Westminster 26/03805/ADFULL

Works: Windows or glazing

Relates to 25/07149/FULL

Decided. The decision notice on the council portal carries the outcome in full, including any conditions.

Proposal

Details of new windows and doors; facing materials; plant screen; and sample of the glass intended for the rear elevation pursuant to Conditions 7, 8, 9 and 13 of planning permission dated 09 April 2026 (RN: 25/07149/FULL)

As published by the council, reference 26/03805/ADFULL

Application record

Reference
26/03805/ADFULL
Status
Decided
Received
10 Jun 2026
Validated
10 Jun 2026
Decided
5 Aug 2026
Postcode
W1G 6EJ

Site history

Applications at this address on the Westminster register

This site has had 6 applications since 2025: 2 approved, 0 refused.

  • 26/03548/FULL Awaiting decision

    16 Beaumont Mews London W1G 6EJ

    Variation of Condition 1 (approved plans) and Condition 2 (Code of Construction Practice) of planning permission 24/03039/FULL dated 19th February 2025 for the 'Excavation of single storey basement and demolition and replacement of the mews building with an additional mansard storey to provide additional residential floorspace including the installation of an air source heat pump at roof level (Class C3)'; namely to allow the development to be carried out in two phases and to secure the submission and approval of the Code of Construction Practice on a phase-specific basis. (Application under Section 73 of the Act).

    Submitted 29 May 2026 Full applications
  • 25/07662/ADFULL Granted

    16 Beaumont Mews London W1G 6EJ

    Details of a supplementary acoustic report pursuant to condition 12 of planning permission dated 19th February 2025 (RN 24/03039/FULL)

    Decided 23 Feb 2026 Full applications
  • 25/07149/FULL Granted

    16 Beaumont Mews London W1G 6EJ

    Variation of Conditions 1 of planning permission dated 19th February 2025 (RN: 24/03039/FULL) for, 'Excavation of single storey basement and the demolition and replacement of the mews building with an additional mansard storey to provide additional residential floorspace including the installation of an air source heat pump at roof level (Class C3)'; NAMELY, to allow the retention of the garage space together with associated amendments to the internal layout and external openings; omission of approved lightwell from the ground to basement level; alterations to fenestration to the front and rear elevations, and relocation of roof level plant. (Application under Section 73 of the Act).

    Decided 9 Apr 2026 Full applications
  • 25/07157/NMA Withdrawn

    16 Beaumont Mews London W1G 6EJ

    Amendments to planning permission dated 19 February 2025 (RN:24/03039/FULL) for excavation of single storey basement and the demolition and replacement of the mews building with an additional mansard storey to provide additional residential floorspace including the installation of an air source heat pump at roof level (Class C3). namely, to allow the addition of a condition to the addtiona of a condition allwoing the development to be carried in two phase. for the approved development to be implemented in two phases, with the basement construction deferred to a later stage.

    Decided 22 May 2026 Amendments
  • 25/05859/FULL Awaiting decision

    16 Beaumont Mews London W1G 6EJ

    Variation of conditions 1 and 13 of planning permission 19 February 2025 (RN: 24/03039/FULL) for the: 'Excavation of single storey basement and the demolition and replacement of the mews building with an additional mansard storey to provide additional residential floorspace including the installation of an air source heat pump at roof level (Class C3)'. Namely, to allow openable side hung windows instead of fixed-shut to the rear (Application under S73 of the Act).

    Submitted 19 Aug 2025 Full applications

Timeline

Dates from the published record

  1. 10 Jun 2026

    Received by Westminster

  2. 21 Jul 2026

    Added to PlanIndex

  3. 5 Aug 2026

    Decision issued

  4. 9 Aug 2026

    Status changed to Decided

    Previously Pending.

Cases linked to this one on the register

  • 25/07149/FULL Granted

    16 Beaumont Mews London W1G 6EJ

    Variation of Conditions 1 of planning permission dated 19th February 2025 (RN: 24/03039/FULL) for, 'Excavation of single storey basement and the demolition and replacement of the mews building with an additional mansard storey to provide additional residential floorspace including the installation of an air source heat pump at roof level (Class C3)'; NAMELY, to allow the retention of the garage space together with associated amendments to the internal layout and external openings; omission of approved lightwell from the ground to basement level; alterations to fenestration to the front and rear elevations, and relocation of roof level plant. (Application under Section 73 of the Act).

    Decided 9 Apr 2026 Full applications

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 this record

The published feed does not state which type of application this is; the register entry on Westminster's portal will say. Our guide explains the common types.

Nearby applications

Within 0.3 miles

  • 16 Beaumont Mews London W1G 6EJ

    25/07157/NMA Submitted 3 Oct 2025 50 yards away

    Amendments to planning permission dated 19 February 2025 (RN:24/03039/FULL) for excavation of single storey basement and the demolition and replacement of the mews building with an additional mansard storey to provide additional residential floorspace including the installation of an air source heat pump at roof level (Class C3). namely, to allow the addition of a condition to the addtiona of a condition allwoing the development to be carried in two phase. for the approved development to be implemented in two phases, with the basement construction deferred to a later stage.

    Withdrawn Amendments Loft or dormer Demolition 7 docs
    Small domestic

  • 16 Beaumont Mews London W1G 6EJ

    25/07662/ADFULL Submitted 22 Oct 2025 50 yards away

    Details of a supplementary acoustic report pursuant to condition 12 of planning permission dated 19th February 2025 (RN 24/03039/FULL)

    Granted Full applications 8 docs

  • 16 Beaumont Mews London W1G 6EJ

    26/03548/FULL Submitted 29 May 2026 50 yards away

    87% historically approved · decision due ~24 Jul

    Variation of Condition 1 (approved plans) and Condition 2 (Code of Construction Practice) of planning permission 24/03039/FULL dated 19th February 2025 for the 'Excavation of single storey basement and demolition and replacement of the mews building with an additional mansard storey to provide additional residential floorspace including the installation of an air source heat pump at roof level (Class C3)'; namely to allow the development to be carried out in two phases and to secure the submission and approval of the Code of Construction Practice on a phase-specific basis. (Application under Section 73 of the Act).

    Awaiting decision Full applications Loft or dormer Demolition 10 docs
    Small domestic

  • 16 Beaumont Mews London W1G 6EJ

    25/05859/FULL Submitted 19 Aug 2025 50 yards away

    87% historically approved · decision due ~14 Oct

    Variation of conditions 1 and 13 of planning permission 19 February 2025 (RN: 24/03039/FULL) for the: 'Excavation of single storey basement and the demolition and replacement of the mews building with an additional mansard storey to provide additional residential floorspace including the installation of an air source heat pump at roof level (Class C3)'. Namely, to allow openable side hung windows instead of fixed-shut to the rear (Application under S73 of the Act).

    Awaiting decision Full applications Loft or dormer Demolition +1 7 docs
    Small domestic

  • 16 Beaumont Mews London W1G 6EJ

    25/07149/FULL Submitted 3 Oct 2025 50 yards away

    Variation of Conditions 1 of planning permission dated 19th February 2025 (RN: 24/03039/FULL) for, 'Excavation of single storey basement and the demolition and replacement of the mews building with an additional mansard storey to provide additional residential floorspace including the installation of an air source heat pump at roof level (Class C3)'; NAMELY, to allow the retention of the garage space together with associated amendments to the internal layout and external openings; omission of approved lightwell from the ground to basement level; alterations to fenestration to the front and rear elevations, and relocation of roof level plant. (Application under Section 73 of the Act).

    Granted Full applications Loft or dormer Demolition +1 27 docs
    Small domestic

  • 33 - 34 Devonshire Street London W1G 6PY

    24/04424/AD7 Submitted 1 Jul 2024 50 yards away

    84% historically approved · decision due ~26 Aug

    Display for a temporary period of six months of a non-illuminated estate agent's board measuring 0.6m x 0.45m (Renewal Notice)

    Awaiting decision Advertising 6 docs