25 Chester Square London SW1W 9HS

This site has had 2 applications since 2026.

• 26/02294/ADFULL Awaiting decision

  25 Chester Square London SW1W 9HS

  Details of York and Portland stone pursuant to condition 11 of planning permission dated 24 November 2023 (RN: 23/06222/FULL) [Linked to 26/02423/ADLBC]

  Submitted 7 Apr 2026 Full applications

1. 7 Apr 2026

   Received by Westminster

2. 21 Jul 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 2 June 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

   Westminster took a median of 65 days over the applications it decided in the last year.

This application is with Westminster for determination, against a statutory target of eight weeks. Over the last year Westminster decided condition discharge and variation applications in a median of 42 days. More in our guide to how long planning decisions take.

This application deals with conditions on an existing permission, supplying the details a condition requires or asking to vary or remove one, without reopening the permission itself. More in our guide to planning application types.

• 25 Chester Square London SW1W 9HS

  26/02294/ADFULL Submitted 7 Apr 2026 50 yards away

  87% historically approved · decision due ~2 Jun

  Details of York and Portland stone pursuant to condition 11 of planning permission dated 24 November 2023 (RN: 23/06222/FULL) [Linked to 26/02423/ADLBC]

  Awaiting decision Full applications 5 docs

• Open Space Centre Of Chester Square London SW1W 9HS

  26/02594/TPO Submitted 20 Apr 2026 50 yards away

  100% historically approved · decision due ~15 Jun

  T156 - London Plane: Massaria Climbing Inspection report shows early stage Massaria on a large limb - Removal required

  Awaiting decision Trees 9 docs

• Chester Square London

  26/03538/TPO Submitted 29 May 2026 50 yards away

  100% historically approved · decision due ~24 Jul

  T146 - Prunus cerasifera 'Pissardii': Reduce faulted limb(s) - reducing the branches at 2 - 2.5 m to the west and to the east with Phellinus sp. fungal brackets by 1 - 1.5 m, to reduce loading and minimise the potential for branch failure onto footpaths and seating. Final cuts to be made at suitable pruning points, leaving furnishing growth to minimise visual impact.

  Awaiting decision Trees 4 docs

• Chester Square London

  26/04472/TPO Submitted 6 Jul 2026 50 yards away

  100% historically approved · decision due ~31 Aug

  T176 - Prunus cerasifera: Reduce crown by specified extent - reducing the extended limbs to the southeast over the road and parking by approximately 2 m to reduce the overhang back to the carriageway side edge of the parking bay to clear the highway and reduce loading on the historically cracked basal fork. Also lift the canopy over the car parking bay to 3 m to provide sufficient clearance for vehicles. Final cuts to be made at suitable pruning points, leaving furnishing growth where possible. T177 - Platanus x hispanica: End weight reduction - reducing the two braced stems (to the north and to the west), and reducing the lateral limbs to the east and southeast, by 2-3 m, back to the most recent previous reduction points. This work should be carried out prior to the replacement of the cable braces. T181 - Prunus cerasifera: Lift low canopy, pedestrian clearance - to 2.5 m over garden footpath. T184 - Pyrus salicifolia, T187 & T100161 - Prunus cerasifera: Lift low canopy, specified extent - to 3 m over car parking. T100276 - Halesia carolina: Fell ground level - dead young planted tree grubbing out root ball to facilitate replanting. Plant replacement tree - (Halesia carolina) during the first planting season (September to April) following tree removal.

  Awaiting decision Trees 7 docs

• Open Space Centre Of Chester Square London SW1W 9HS

  25/05779/TDD Submitted 14 Aug 2025 50 yards away

  Removal of x1 dead crab apple

  Decided Trees

• Open Space Centre Of Chester Square London SW1W 9HS

  26/02594/TDD Submitted 20 Apr 2026 50 yards away

  1 x London plane (T156): remove one Massaria infected branch at approximately 8m height growing to north west (3.5m length and 150 mm diameter)

  Decided Trees 9 docs

• 26/04860/ADLBC Granted

  New Zealand House 80 Haymarket London SW1Y 4TE

  Details of external and internal signage strategy pursuant to Condition 7(E) of listed building consent dated 12th February 2021 (RN: 19/07816/LBC)

  Received 20 Jul, published by the council 1 Aug 2026 Conditions
• 26/04843/ADLBC Granted

  New Zealand House 80 Haymarket London SW1Y 4TE

  Detailed design and specification of new blinds to NZH based on mock-up trials on-site pursuant to Condition 6(m) of listed building consent dated 12th February 2021 (19/07816/LBC).

  Received 20 Jul, published by the council 1 Aug 2026 Conditions
• 26/05026/ADLBC Awaiting decision

  St James's Park The Mall London SW1A 1AA

  Details of method statement for re-carving works pursuant to condition 3(i) of listed building consent dated 16 July 2026 (RN: 26/03399/LBC)

  Received 27 Jul, published by the council 4 Aug 2026 Conditions
• 26/04850/ADLBC Awaiting decision

  17 Belgrave Square London SW1X 8PG

  Detailed drawings of garage doors, roof lantern and any new lighting and flooring in the principal rooms pursuant to condition 6 (iii) (iv) (v) of listed building 18th August 2025 (RN:25/03417/LBC)

  Received 20 Jul, published by the council 1 Aug 2026 Conditions
• 25/07120/ADLBC Granted

  72 - 74 Lancaster Gate London W2 3NH

  Details of new and altered doors and door architraves, including external faces of lifts (detailed elevations and sections at 1:10) pursuant to Condition 3 (A) of Listed Building Consent dated 14 December 2023 (RN: 23/00772/LBC) (Linked app: 25/07088/ADFULL)

  Received 2 Oct, published by the council 21 Jul 2026 Conditions