Planning Applications in SW1A

Planning authority: Westminster City Council

Search current and historic planning applications in the SW1A postcode district in Westminster - 69 in the last 90 days. Filter applications by date, status, development type, or number of homes, view them on the map, or create a free alert for new applications.

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Showing 50 of 69 applications
4 Sept 2026 Pending 26/06059/ADV

54 St James's Street London SW1A 1JT

Display of externally illuminated signs measuring 0.34m x 2.03m, 0.31m x 1.86m, 0.34m x 2.03m and 2 x (0.27m x 1.20m); and window graphic vinyls measu...

Advert Application (ADV) Westminster
3 Sept 2026 Pending 26/06040/ADLBC

Buckingham Palace The Mall London SW1A 1AA

Samples of finishes and locations of control boxes, emergency buttons and any associated signage in 'front of house' areas; pursuant to condition 5(b)...

Approval of Details (ADLBC) Westminster
3 Sept 2026 Pending 26/06009/NMA

64 St James's Street London SW1A 1NF

Amendments to planning permission dated 02 September 2021 (RN: 21/02158/FULL) for the: Demolition of the existing mansard roof and removal of plant an...

Non-material amendments Westminster
3 Sept 2026 Pending 26/06024/FULL

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)

Full Planning Permission Application Westminster
3 Sept 2026 Pending 26/05886/NMA

10 Spring Gardens London SW1A 2BN

Amendments to planning permission dated 10 July 2025 (RN: 25/00695/FULL) for the use of part-ground, first, sixth, seventh and eighth floor levels as ...

Non-material amendments Westminster
3 Sept 2026 Pending 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)

Listed Building Consent Application Westminster
2 Sept 2026 Pending 26/06004/ADLBC

Old War Office Whitehall London SW1A 2BX

Details of confirmation in writting as to where on site the doors hereby approved to be removed are to be stored pursuant to condition 5 of listed bui...

Approval of Details (ADLBC) Westminster
1 Sept 2026 Pending 26/05970/LBC

Norman Shaw Building South Victoria Embankment London SW1A 2HZ

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

Listed Building Consent Application Westminster
1 Sept 2026 Pending 26/05971/LBC

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

Automation of door at principal floor level.

Listed Building Consent Application Westminster
27 Aug 2026 Pending 26/05894/LBC

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 refurbishme...

Listed Building Consent Application Westminster
27 Aug 2026 Pending 26/05884/LBC

Royal Horseguards Hotel 2 Whitehall Court London SW1A 2EL

Erection of two flagpoles and display of two flags on the northern elevation. [Linked with 26/06184/ADV].

Listed Building Consent Application Westminster
27 Aug 2026 Refused 26/05876/ADV

Trafalgar Buildings 1 - 3 Whitehall London SW1A 2DD

Display of a non-illuminated scaffold shroud comprising a 1:1 scale reproduction of the principal facade and two inset advertisement panels, each meas...

Advert Application (ADV) Westminster
27 Aug 2026 Pending 26/05896/LBC

100 Parliament Street London SW1A 2BQ

Internal alterations.

Listed Building Consent Application Westminster
27 Aug 2026 Pending 26/05895/LBC

1 Horse Guards Road London SW1A 2HQ

Internal alterations.

Westminster
26 Aug 2026 Pending 26/05859/FULL

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 platf...

Full Planning Permission Application Westminster
25 Aug 2026 Pending 26/05447/ADFULL

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 202...

Approval of Details (Full PP) Westminster
25 Aug 2026 Pending 26/05828/ADV

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.

Advert Application (ADV) Westminster
25 Aug 2026 Pending 26/05815/TCA

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...

Applic. for works to trees in CA Westminster
20 Aug 2026 Approved 26/05577/ADLBC

St James's Park The Mall London SW1A 1AA

Detailed drawings (including of the foundations) and samples of facing materials for the alterations to the Marlborough Gate, including details of the...

Approval of Details (ADLBC) Westminster
19 Aug 2026 Pending 26/05670/NMA

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 escap...

Non-material amendments Westminster
18 Aug 2026 Pending 26/05642/ADLBC

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...

Approval of Details (ADLBC) Westminster
17 Aug 2026 Pending 26/05609/FULL

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 a...

Full Planning Permission Application Westminster
14 Aug 2026 Pending 26/05565/LBC

1 Horse Guards Road London SW1A 2HQ

Internal alterations.

Listed Building Consent Application Westminster
12 Aug 2026 Pending 26/05487/LBC

Admiralty House Whitehall London SW1A 2DY

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

Listed Building Consent Application Westminster
12 Aug 2026 Pending 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)

Full Planning Permission Application Westminster
11 Aug 2026 Pending 26/05440/TCA

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 reductio...

Applic. for works to trees in CA Westminster
11 Aug 2026 Pending 26/05438/TCA

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...

Applic. for works to trees in CA Westminster
11 Aug 2026 Pending 26/05439/TCA

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 Pl...

Applic. for works to trees in CA Westminster
10 Aug 2026 Approved 26/05422/ADLBC

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, 01.0...

Approval of Details (ADLBC) Westminster
7 Aug 2026 Approved 26/05402/TCA

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...

Applic. for works to trees in CA Westminster
5 Aug 2026 Pending 26/05312/TCA

1 Horse Guards Road London SW1A 2HQ

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

Applic. for works to trees in CA Westminster
4 Aug 2026 Pending 26/05260/LBC

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

Refurbishment of x1 lift (HOP 324)

Listed Building Consent Application Westminster
4 Aug 2026 Pending 26/05278/ADLBC

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)

Approval of Details (ADLBC) Westminster
3 Aug 2026 Approved 26/05224/LBC

1 Horse Guards Road London SW1A 2HQ

Internal alterations.

Listed Building Consent Application Westminster
3 Aug 2026 Pending 26/05212/ADFULL

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)

Approval of Details (Full PP) Westminster
31 Jul 2026 Pending 26/05166/FULL

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 exte...

Full Planning Permission Application Westminster
29 Jul 2026 Approved 26/05113/NMA

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 Parliame...

Non-material amendments Westminster
29 Jul 2026 Pending 26/05112/LBC

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)

Listed Building Consent Application Westminster
29 Jul 2026 Pending 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)

Full Planning Permission Application Westminster
27 Jul 2026 Pending 26/05026/ADLBC

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)

Approval of Details (ADLBC) Westminster
27 Jul 2026 Refused 26/04398/CLEUD

Flat 85 3 Whitehall Court London SW1A 2EL

Internal alterations and demolition works (Confirmation of the lawful implementation of planning permission dated 15 August 2017 (RNs: 17/03984/FULL a...

Certificate of Lawfulness (existing) Westminster
23 Jul 2026 Approved 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 associa...

Listed Building Consent Application Westminster
23 Jul 2026 Approved 26/04932/ADLBC

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: 25/01...

Approval of Details (ADLBC) Westminster
23 Jul 2026 Approved 26/04933/ADLBC

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: ...

Approval of Details (ADLBC) Westminster
23 Jul 2026 Approved 26/04939/ADLBC

Admiralty Arch The Mall London SW1A 2WH

Detailed photographs of the facing materials you will use, including glazing, and elevations and roof plans annotated to show where the materials are ...

Approval of Details (ADLBC) Westminster
23 Jul 2026 Approved 26/04930/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)

Full Planning Permission Application Westminster
23 Jul 2026 Pending 26/04957/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.

Listed Building Consent Application Westminster
23 Jul 2026 Approved 26/04923/ADFULL

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)

Approval of Details (Full PP) Westminster
21 Jul 2026 Approved 26/04871/ADFULL

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/FU...

Approval of Details (Full PP) Westminster
21 Jul 2026 Approved 26/04863/ADFULL

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/FUL...

Approval of Details (Full PP) Westminster
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Data updated daily. Source: Westminster City Council planning portal.