Planning applications in SW1A

House Of Commons Palace Of Westminster Parliament Square London SW1A 0AA

Installation of new and replacement electronic equipment within Speaker. (Linked with 26/06025/LBC)

House Of Commons Palace Of Westminster Parliament Square London SW1A 0AA

Installation of new and replacement electronic equipment within Speaker. (Linked with 26/06024/FULL)

Norman Shaw Building South Victoria Embankment London SW1A 2HZ

Replacement and installation of 16 electronic access control systems to Norman Shaw South

House Of Commons Palace Of Westminster Parliament Square London SW1A 0AA

Automation of door at principal floor level.

10 Spring Gardens London SW1A 2BN

Amendments to planning permission dated 10th July 2025 (RN 25/00695/FULL) for the Use of part-ground, first, sixth, seventh and eighth floor levels as an Embassy (sui generis). Associated external alterations to the ground floor facade on Carlton House Terrace, and part ground floor to Piazza (Spring Gardens) frontage. External alterations to the doors. Installation of roof plant and security screens to the eighth floor. NAMELY, Addition of external attached building signage on West Elevation and South Elevation; Addition of two flagpoles on West Elevation; Addition of a parcel pass through, rather than fixed panel, to door on North Elevation; and omission of smoke vent and replacement with new paving to match existing paving.

1 Horse Guards Road London SW1A 2HQ

Internal alterations.

Buckingham Palace The Mall London SW1A 1AA

Internal alterations to extend the Clockmakers Staircase up to second floor level to provide new means of escape, fire upgrade and general refurbishment and redecorations.

100 Parliament Street London SW1A 2BQ

Internal alterations.

Royal Horseguards Hotel 2 Whitehall Court London SW1A 2EL

The erection of two flagpoles and the display of two flags.

Trafalgar Buildings 1 - 3 Whitehall London SW1A 2DD

Display of a temporary non-illuminated scaffold shroud comprising a 1:1 scale reproduction of the principal facade and two inset advertisement panels, each measuring 10m x 6m, for temporary period from 31 October 2026 until 01 April 2028.

The Dukes 34 - 38 St James's Place London SW1A 1NS

External alterations including external handrails and lighting to the main entrance step, new plant in the lightwell and roof level, new lifting platform from basement to street level, ductwork from fifth floor up to roof and associated works.

St James's Park The Mall London SW1A 1AA

Display of non illuminated Christmas Elf on the Shelf sculpture measuring 0.8m X 1.9m from Monday 16th November until Monday 28th December.

Buckingham Palace The Mall London SW1A 1AA

1638 Platanus x hispanica (London Plane) - Reduce the crown height by 3m, with lateral reductions of 3m to the east and south and 1.5m to the west, to reduce mechanical loading and the likelihood of branch failure associated with over-extended laterals. 1639 Platanus x hispanica (London Plane) - Reduce lower crown to the south to allow 2.5m clearance under street light. 1643 Platanus x hispanica (London Plane) - Reduce the crown height by 4m and lateral spread by 4m to the east, and by 2.5m to the west, to reduce mechanical loading and the likelihood of branch failure associated with over-extended laterals. 1645 Platanus x hispanica (London Plane) - Prune lower crown to the north to allow 2m clearance from temporary buildings. 1647 Platanus x hispanica (London Plane) - Reduce the crown height by 3m and lateral spread by 3m to the west , to reduce mechanical loading and the likelihood of branch failure associated with over-extended laterals, and historic pruning points. Including the removal of the limb with topside decay at 8m projecting north. 1649 Platanus x hispanica (London Plane) - Reduce the crown height by 3m and lateral spread by 2.5m to the east and south, and by 1.5m to the north and west due to basal decay. 1651 Platanus x hispanica (London Plane) - Overall crown reduction by up to 3m to the previous pruning points to reduce the likelihood of failure due to the discovered decay within the main stem at 8m. 2660 Platanus x hispanica (London Plane) - Reduce the crown height by approximately 2m, with a lateral reduction of approximately 2.5m to the north, south, and west, and 1m to the east, to reduce mechanical loading and the likelihood of branch failure associated with over-extended laterals, proliferated regrowth, and historic pruning points. 2662 Platanus x hispanica (London Plane) - Reduce main lateral limb at 8m projecting to the south-west by 3.5m to reduce the likelihood of failure. Reduce the crown height by 2m and lateral spread by 3m to t

64 St James's Street London SW1A 1NF

Amendments to planning permission dated 2nd September 2021 (21/02158/FULL) for: Demolition of the existing mansard roof and removal of plant and escape stair; erection of new double mansard roof extension and rear extension for additional commercial floorspace (Use Class E); and installation of new escape stair, rear balconies, roof terrace and associated works namely, amendments to allow for the installation of a condenser unit within the rear lightwell.

Admiralty House Whitehall London SW1A 2DY

Samples of replacement stone and on-site trials of mortar/stucco mixes ; pursuant to condition 2(b) of Listed Building Consent dated 26th May 2026 (RN:26/01647/LBC)

St James's Park The Mall London SW1A 1AA

Details of the structural survey work to the Marlborough Gate pursuant to condition 2(a) (partial) of listed building dated 20 April 2026 (RN:26/00447/LBC).

Old War Office Whitehall London SW1A 2BX

Variation of Condition 13 of planning permission dated 29 June 2021 (RN: 20/04931/FULL) namely, to allow the terraces adjacent to the restaurant/bar at sixth floor level as shown on drawing number 0256-Z06 R10 to be used by customers of the restaurant/bar between 08.00 and 22.30 hours daily.

1 Horse Guards Road London SW1A 2HQ

Internal alterations.

Admiralty House Whitehall London SW1A 2DY

Replacement of mismatching lantern lights with exact replicas of square crest lantern lights. (Linked with 26/05486/FULL)

Admiralty House Whitehall London SW1A 2DY

Replacement of mismatching lantern lights with exact replicas of square crest lantern lights. (Linked with 26/05487/LBC)

Buckingham Palace The Mall London SW1A 1AA

372 Prunus sargentii (Sargent's Cherry) - Remove disease material from crown. 395 Ilex x altaclarensis 'Golden King' (Variegated Holly) Prune - Reduce crown in height by 4m and laterally by 2m to reduce likelihood of failure of root plate. 604 Populus X canadensis (Hybrid Poplar) - Fell tree due to potential root decay as a result of honey fungus, indicated by the sparse crown and rhizomorphs. 830 Crataegus monogyna (Hawthorn) - Remove partially failed branch at 4m. 1014 Malus floribunda (Japanese Crab) - Fell recently failed tree. 1377 Acer pseudoplatanus (Sycamore) - Cut back 1 number limb toward the east 2m back from security fence. 1428 Acer pseudoplatanus (Sycamore) - Reduce the lateral spread of the crown to the west to allow 1.5m clearance from lamp column and remove hanging branch. 1512 Morus nigra (Black Mulberry) Reduce the lateral spread of the crown by 1.5m to the north and 3.5m to the east. 1592 Gymnocladus dioica (Kentucky coffee tree). Remove partially failed branch at approx 8m to the west. 1619 Castanea sativa (Sweet Chestnut) - Fell tree standing dead tree. 1668 Platanus x hispanica (London Plane) Reduce 2no. over-extended limbs at 6m and 8m projecting north by up to 2.5m to reduce the likelihood of failure. 3493 Species not known (Unknown) - Fell and replanted with a honey fungus tolerant species.

Buckingham Palace The Mall London SW1A 1AA

1281 Platanus x hispanica (London Plane) - Fell to ground level due to ground level. 1382 Platanus x hispanica (London Plane) - Overall crown reduction in height and laterally by 3.5m to suitable growth points, to lower the risk of failure associated with decay within the stem. 1457 Fraxinus excelsior 'Jaspidea' (Yellow Ash) - 1. Reduce lateral limb projecting north at 5m by 2.5m (to include sub-lateral originating from approx. 3.5m out on parent limb). 2. Reduce lateral limb projecting south at 6m by 3.5m. 3. Reduce limb projecting south-west by 3m. 4. Reduce upper crown height by up to 3m. Remove - Remove failed, hanging limb at approx. 8m west to prevent risk of complete limb failure. 1460 Sophora japonica (Pagoda Tree) - Fell tree to ground level due to colonisation by Armillaria sp. 1497 Acer pseudoplatanus (Sycamore) - Carry out a crown reduction of height and spread by up to 5m to mitigate wind-induced loading on the main stem. 1509 Davidia involucrata (Handkerchief Tree) - Reduce crown height and spread by up to 2m (reducing to, and retaining, live wood). 1596 Betula pubescens (Downy Birch) - Fell tree to ground level due to poor future prospects.

Buckingham Palace The Mall London SW1A 1AA

68 Ailanthus altissima (Tree of Heaven) - Reduce lateral spread of the crown to the west to allow 1.5m clearance from camera and light column. 1255 Platanus x hispanica (London Plane) - Carry out tip-reduction of lateral limb projecting north at 12m by 3m to mitigate risk of failure associated with presence of Inonotus hispidus. Carry out a crown reduction of up to 3m in height and spread to reduce wind-loading stresses on the main stem at 8m and at 16m. Remove dead stub at 16m. 1294 Robinia pseudoacacia (False Acacia) - Reduce crown to historic pollard points at approx. 9m to mitigate risk of failure of the main stem. 1341 Sorbus latifolia (Broad-leaved Whitebeam) - Reduce the crown in height by up to 3m with a lateral reduction of 1.5m to 2m, to lower the risk of failure associated with decay near the main stem union. 1571 Platanus x hispanica (London Plane) - Reduce the crown in height by 5m, with a lateral reduction of 2.5 to 4m to reduce the likelihood of failure due to the discoverable decay within the union area and to allow clearance from adjacent lamp column.

Trafalgar Buildings 1 - 3 Whitehall London SW1A 2DD

Detailed site investigation and details of a written scheme of investigation pursuant to condition 7 and 28 of planning permission dated 15th June 2026 (RN: 25/09254/FULL)

Warwick House Stable Yard Road London SW1A 1BD

Details of new cornices, including cornice vents, and new vents fitted into internal walls at LGF level and above excluding those in rooms 00.06, 01.04 and 01.05 pursuant to condition 7 of listed building consent dated 14 August 2024 (RN: 24/01965/LBC)

Ground Floor Bridgewater House 14 Cleveland Row London SW1A 1DP

T1 - Lime (Tilia spp.)- Fell to ground level. Client is aware that they will be required to replant and would like to opt for a Magnolia brooklynensis Yellow Bird. T2 - Robinia pseudoacacia- In consideration of the tree's condition, reduce height approximately 6 metres T3 - Robinia pseudoacacia- Undertake a light, sympathetic crown reduction by pruning the canopy back to suitable secondary growth points, achieving an overall reduction of no more than approximately 2 metres in both height and lateral spread T4 - Robinia pseudoacacia- Fell to ground level. Client is aware that they will be required to replant and would like to opt for a Honey Locust. As an Arboricultural Approved contractor Arboriculural Association #AC2626), all works will be undertaken in accordance with BS 39982010 - Tree Work - Recommendations. Reason for work: As outlined in the Arboricultural report

1 Horse Guards Road London SW1A 2HQ

T8, T14, T15 & T18 dead/dying trees; Section fell to ground level.

House Of Commons Palace Of Westminster Parliament Square London SW1A 0AA

Refurbishment of x1 lift (HOP 324)

House Of Commons Palace Of Westminster Parliament Square London SW1A 0AA

Details of scaffolding fixings pursuant to condition 2 of listed building consent dated 23 April 2024 (RN: 24/00851/LBC)

St James's Park The Mall London SW1A 1AA

Details of the proposed re-carving works; pursuant to condition 3 of Listed Building Consent dated 17th July 2026 (RN 26/03399/LBC)

1 Horse Guards Road London SW1A 2HQ

Internal alterations.

Byron House 7 - 9 St James's Street London SW1A 1EE

Variation of conditions 4 and 5 of planning permission dated 16 June 2025 (RN: 25/03133/FULL) for the: Remodelling of existing seventh floor roof extension including enlarged window openings, timber louvres to existing plant area and creation of roof terrace with metal balustrade and planter boxes. NAMELY, to allow extending the hours of operation; making it available for third party use; and allowing for the playing of music.

Parliamentary Estate Parliament Street London SW1A 2NU

Amendments to planning permission dated 17 July 2026 (RN: 26/03093/FULL) for excavation of trial trenches within and adjacent to the Northern Parliamentary Estate. (Linked with 26/03094/LBC); NAMELY, to reposition and alter six trial trenches.

House Of Commons Palace Of Westminster Parliament Square London SW1A 0AA

Alterations to lampstands along Palace Terrace and associated works. (Linked with 26/05111/FULL)

House Of Commons Palace Of Westminster Parliament Square London SW1A 0AA

Alterations to lampstands along Palace Terrace and associated works. (Linked with 26/05112/LBC)

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)

House Of Commons Palace Of Westminster Parliament Square London SW1A 0AA

Details of new downpipe pursuant to condition 2(c) of listed building consent dated 23 April 2024 (RN: 24/00851/LBC)

House Of Commons Palace Of Westminster Parliament Square London SW1A 0AA

Installation of an enclosure around an existing lead soil vent pipe at roof level and associated works.

Admiralty Arch The Mall London SW1A 2WH

Details of lift doors demonstrating appearance from communal lobby areas pursuant to Condition 15 of listed building consent dated 21st May 2025 (RN: 25/01971/LBC).

Admiralty Arch The Mall London SW1A 2WH

Details of photographs of facing materials including glazing, and elevations and roof plans annotated to show where the materials are to be located pursuant to Condition 3 of listed building consent dated 6 January 2025 (RN:24/05377/LBC).

Admiralty Arch The Mall London SW1A 2WH

Details of internal lighting to principal rooms of North Block pursuant to Condition 4 (xii) of listed building consent dated 21st May 2025 (RN: 25/01971/LBC).

Admiralty Arch The Mall London SW1A 2WH

Details of a supplementary acoustic report pursuant to condition 14 of planning permission dated 6th January 2025 (RN: 24/03757/FULL)

10 St James's Place London SW1A 1NP

Installation of two external condenser units within lightwell at first floor level and at roof level. (Linked to 26/04901/LBC)

10 St James's Place London SW1A 1NP

Installation of internal air conditioning outlets and two external condenser units within lightwell at first floor level and at roof level and associated alterations. [Linked to 26/04930/FULL]

Admiralty Arch The Mall London SW1A 2WH

Details of the ventilation system for the fifth floor restaurant pursuant to Condition 28 of planning permission dated 6th January 2025 (24//03757/FULL)

Admiralty Arch The Mall London SW1A 2WH

Details of Servicing and Operational Management Plan for the hotel; pursuant to condition 5 of planning permission dated 6th January 2025 (24/03757/FULL)

Buckingham Palace The Mall London SW1A 1AA

Details of masonry cleaning pursuant to condition 3 of listed building consent dated 07 March 2026 (RN: 25/05228/LBC)

Old War Office Whitehall London SW1A 2BX

Internal alterations to Apartment 6.08 at Level 6.

Stornaway House 13 Cleveland Row London SW1A 1BW

rear right T1 London Plane x 1 (Platanus x hispanica) This extra-large plane tree is growing partly over a glass office ceiling. It has been cut back previously, but now requires a harder reduction back towards the edge of the glass. There are cavities on the limb over the roof which shows signs of adaptive growth Suggested work:- Reduce the growth over the glass ceiling back 3-4m to reduce weight. This includes removing some branches roughly 100mm thick. These will be lowered using advanced rigging techniques.- Inspect the upper canopy for massaria, remove where necessary. Reduce remaining crown back to previous reduction points with lots of furnishing growth/ thin remaining points rear left T2 Turkey Oak x 1 (Quercus cerris) This large Turkish oak is being suppressed by the neighbouring plane tree, as such the vast majority of the growth is over the courtyard. Suggested work Weight reduce the tips by reducing the lateral growth by 1.5-2m. Remove epicormic growth

Norman Shaw North Parliamentary Victoria Embankment London SW1A 2TT

Details of mockups of ceiling raft and confirmation of details following survey pursuant to condition 5 (o) of Listed Building consent dated 9th September 2021 (RN:21/02100).