Planning Applications in SW1X

Planning authorities: Royal Borough of Kensington and Chelsea, Westminster City Council

Search current and historic planning applications in the SW1X postcode district across Kensington and Chelsea, and Westminster - 138 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 138 applications
9 Sept 2026 Consultation LB/26/04657

Fourth And Fifth Floor Flat, 50 Cadogan Square, London, SW1X 0JW

A fifth-floor rear extension including aluminium framed double glazed sliding doors with concealed external shutters; installation of air source heat ...

Kensington And Chelsea
9 Sept 2026 Consultation PP/26/04656

Fourth And Fifth Floor Flat, 50 Cadogan Square, London, SW1X 0JW

A fifth-floor rear extension including aluminium framed double glazed sliding doors with concealed external shutters; installation of air source heat ...

Kensington And Chelsea
9 Sept 2026 Consultation ARB/26/04845

4A Cadogan Square, London, SW1X 0JU

Prune 1 x Magnolia (front)

Kensington And Chelsea
8 Sept 2026 Consultation CON/26/04843

Flat 1, 42 Pont Street, London, SW1X 0AD

Details required by condition 5 (chimneypiece, hearth, firebox) of listed building consent 26/03178 (Internal alterations and replacement of Crittall ...

Kensington And Chelsea
8 Sept 2026 Consultation LB/26/04275

Harrods, 87-135 Brompton Road, London, SW1X 7XL

Variation of Condition 2 of listed building consent 25/04776 (Internal works to remove the escalators and decorative fabric from the Central Escalator...

Kensington And Chelsea
7 Sept 2026 Consultation LB/26/04821

123 Sloane Street, London, SW1X 9BW

Internal alterations at third floor, comprising removal of existing suspended plasterboard ceiling and supporting secondary timber joists to expose ex...

Kensington And Chelsea
7 Sept 2026 Consultation CON/26/04750

Oakley House, 103 Sloane Street, London, SW1X 9PP

Details required by condition 6 (Separation of commercial and noise sensitive premises) of planning permission 26/03028 (Variation of Condition 2 (Com...

Kensington And Chelsea
7 Sept 2026 Consultation CON/26/04813

40-41 Hans Place, London, SW1X 0JZ

Details required by condition 4B (Materials and Sample panels required) of planning permission 25/05112 (Variation of Condition No. 2 (Compliance with...

Kensington And Chelsea
7 Sept 2026 Consultation NMA/26/04838

Oakley House, 103 Sloane Street, London, SW1X 9PP

Non-material amendment to planning permission 26/03028 (Variation of Condition 2 (Compliance with Approved Plans) of planning permission 24/07405, to ...

Kensington And Chelsea
4 Sept 2026 Pending 26/05932/LBC

Flat 23 Parkside Knightsbridge London SW1X 7JW

Replacement of existing single-glazed windows and balcony doors with double-glazed windows and doors. (Linked with 26/05933/FULL)

Listed Building Consent Application Westminster
4 Sept 2026 Pending 26/05933/FULL

Flat 23 Parkside Knightsbridge London SW1X 7JW

Replacement of existing single-glazed windows and balcony doors with double-glazed windows and doors. (Linked with 26/05932/LBC)

Full Planning Permission Application Westminster
3 Sept 2026 Consultation CON/26/04772

Harrods, 87-135 Brompton Road, London, SW1X 7XL

Details required by condition 3 (Submission of details: of proposed lighting to staircase) of listed building consent 25/04776 (Internal works to remo...

Kensington And Chelsea
3 Sept 2026 Consultation LB/26/04809

Ground Floor Flat, 62 Cadogan Square, London, SW1X 0EA

Replacement of modern patio with decking and like for like replacement boundary treatment (part retrospective application)

Kensington And Chelsea
3 Sept 2026 Consultation PP/26/04808

Ground Floor Flat, 62 Cadogan Square, London, SW1X 0EA

Replacement of modern patio with decking and like for like replacement boundary treatment (part retrospective application)

Kensington And Chelsea
3 Sept 2026 Pending 26/05848/MOD106

33 Grosvenor Place London SW1X 7HY

Deed of Variation to the S106 agreement (as amended) attached to planning permission dated 3 April 2017 (RN:16/08369/FULL) relating to parking spaces ...

Modification or Discharge of a S106 Westminster
2 Sept 2026 Consultation CA/26/04658

109-125 Knightsbridge, London, SW1X 7RJ

Temporary advertisement consent for a building projection comprising moving images and graphics on the front (northern) elevation of Harvey Nichols pr...

Kensington And Chelsea
1 Sept 2026 Consultation CON/26/04639

Flat F, 23 Lennox Gardens, London, SW1X 0DE

Details required by Condition 3 (submission of details - a) plans of all fitted joinery, b) 1:5 sections and 1:10 elevations of all fitted joinery) of...

Kensington And Chelsea
1 Sept 2026 Approved 26/05944/ADFULL

10 Chapel Street London SW1X 7BY

Details of a completed Appendix A checklist from the Code of Construction Practice pursuant to Condition 3 of planning permission dated 10 July 2025 (...

Approval of Details (Full PP) Westminster
1 Sept 2026 Consultation CA/26/04507

Harrods, 87-135 Brompton Road, London, SW1X 7XL

Installation of poster advertisements on temporary hoardings

Kensington And Chelsea
28 Aug 2026 Pending 26/05000/FULL

3 Chester Mews London SW1X 7AH

Erection of temporary construction hoarding including temporary external wall lights; and other associated works for a period of 12 months at 3-9 Ches...

Full Planning Permission Application Westminster
28 Aug 2026 Pending 26/05001/ADV

3 Chester Mews London SW1X 7AH

Display of non illuminated temporary hoarding measuring 2.4m x 35.05m at 3-9 Chester Mews. Linked with 26/05000/FULL

Advert Application (ADV) Westminster
28 Aug 2026 Consultation CL/26/04505

Flat 14, 43 Lowndes Square, London, SW1X 9JL

Confirmation that the lawful implementation of planning permission dated 4 July 2023 (PP/22/01043) for Provision of an additional storey of accommodat...

Kensington And Chelsea
28 Aug 2026 Pending 26/05911/LBC

74 Eaton Place London SW1X 8AU

Internal waterproofing works to damp-affected basement walls including removal of existing damaged plaster finishes and replacement with a specialist ...

Listed Building Consent Application Westminster
28 Aug 2026 Pending 26/05135/LBC

Apartment 2 79 Eaton Place London SW1X 8DR

Full refurbishment including installation of new windows and external doors, internal wall insulation, new roof and openings to rear closet wing, inte...

Westminster
28 Aug 2026 Pending 26/05134/FULL

Apartment 2 79 Eaton Place London SW1X 8DR

Full refurbishment including installation of new windows and external doors, new roof and openings to rear closet wing, and one air-source heat pump u...

Full Planning Permission Application Westminster
27 Aug 2026 Pending 26/05872/FULL

Jumeirah Lowndes Hotel 21 Lowndes Street London SW1X 9ES

Demolition of the existing building and redevelopment of the site to provide a new building comprising two basement levels (including the retention of...

Full Planning Permission Application Westminster
26 Aug 2026 Consultation PP/26/04529

3 Chesham Street, London, SW1X 8ND

Alterations and improvements to existing property including replacement of front windows from uPVC to painted timber sash, removal of water tank and f...

Kensington And Chelsea
25 Aug 2026 Pending 26/05844/ADFULL

3 Montrose Place London SW1X 7DU

Details of a sample panel of brickwork, built on site, which shows the colour, texture, face bond and pointing pursuant to condition 4 of planning per...

Approval of Details (Full PP) Westminster
25 Aug 2026 Consultation LB/26/04421

Flat 5, 50 Pont Street, London, SW1X 0AE

Installation of comfort cooling/air conditioning system, comprising single external condensing unit within acoustic enclosure on anti-vibration mounts...

Kensington And Chelsea
25 Aug 2026 Consultation LB/26/04587

10-12 Cadogan Square, London, SW1X 0JU

Replacement of an existing lead finish to a flat roof with new lead.

Kensington And Chelsea
25 Aug 2026 Consultation PP/26/04420

Flat 5, 50 Pont Street, London, SW1X 0AE

Installation of comfort cooling/air conditioning system, comprising single external condensing unit within acoustic enclosure on anti-vibration mounts...

Kensington And Chelsea
24 Aug 2026 Pending 26/05764/ADV

Motcomb Street London

Display of externally illuminated christmas decoration including 4x cross street star decoration 8.5m x 2.5m, 14x artificial christmas tree on balcony...

Advert Application (ADV) Westminster
21 Aug 2026 Consultation PP/26/04426

Flats 5 and 6, 73 Pont Street, London, SW1X 0BH

Amalgamation of flats 5 and flat 6 into single dwelling. (Part Retrospective)

Kensington And Chelsea
21 Aug 2026 Consultation LB/26/04392

Flats 5 and 6, 73 Pont Street, London, SW1X 0BH

Amalgamation of flats 5 and flat 6 into single dwelling. (Part Retrospective)

Kensington And Chelsea
19 Aug 2026 Consultation CL/26/04624

Flat 2, 77 Cadogan Square, London, SW1X 0DY

Removal of free-standing railing to second floor rear roof terrace, and replacement with black painted railing of similar design and proportions, secu...

Kensington And Chelsea
19 Aug 2026 Pending 26/05663/LBC

Flat 3 96 Eaton Place London SW1X 8LW

Alteration of timber windows to include slimline double glazing, alterations to existing passenger lift extending it to third floor mezzanine, and int...

Listed Building Consent Application Westminster
19 Aug 2026 Pending 26/05662/FULL

Flat 3 96 Eaton Place London SW1X 8LW

Alteration of timber windows to include slimline double glazing. (Linked with 26/05663/LBC)

Full Planning Permission Application Westminster
19 Aug 2026 Pending 26/05674/NMA

52 Eaton Place London SW1X 8AL

Amendments to planning permission dated 25 September 2025 (25/05108/FULL) for: Alterations to rear extension at first floor level including creation o...

Non-material amendments Westminster
18 Aug 2026 Refused 26/05633/LBC

6 Wilton Place London SW1X 8RH

Damp proofing works to the lower ground floor

Listed Building Consent Application Westminster
18 Aug 2026 Consultation PP/26/04411

33 Clabon Mews, London, SW1X 0EQ

Creation of roof terrace on second floor flat roof surrounded by metal safety railings

Kensington And Chelsea
17 Aug 2026 Consultation PP/26/04440

3 Clabon Mews, London, SW1X 0EG

Construction of side dormer roof extension and terrace

Kensington And Chelsea
17 Aug 2026 Pending 26/05575/LBC

44 Wilton Crescent London SW1X 8RX

Replacement of slate roof coverings and associated leadwork, replacement of rooflights, removal and reinstatement of mansard slate hanging, and associ...

Listed Building Consent Application Westminster
14 Aug 2026 Consultation PP/26/04327

137 Sloane Street, London, SW1X 9AY

Installation of a non-illuminated flag and flagpole to Sloane Street elevation, alongside the installation of related required fixings and other assoc...

Kensington And Chelsea
14 Aug 2026 Consultation CA/26/04325

137 Sloane Street, London, SW1X 9AY

Installation of a non-illuminated flag and flagpole to Sloane Street elevation, alongside the installation of related required fixings and other assoc...

Kensington And Chelsea
14 Aug 2026 Consultation LB/26/03813

Flat C, 23 Lennox Gardens, London, SW1X 0DE

Internal refurbishment works including reinstatement of traditional architectural features in reception room, installation of bespoke painted timber j...

Kensington And Chelsea
13 Aug 2026 Approved 26/05512/ADLBC

18 Belgrave Mews West London SW1X 8PX

Details of before and after photos of trial panel/s of the proposed masonry cleaning method/s pursuant to condition 3 of listed building consent dated...

Approval of Details (ADLBC) Westminster
12 Aug 2026 Consultation LB/26/04379

42 Pont Street, London, SW1X 0AD

Replacement of non-original interior double door with matching single door within common entrance hall.

Kensington And Chelsea
12 Aug 2026 Pending 26/05499/LBC

43 Eaton Place London SW1X 8BX

Variation of condition 9 and 11 of listed building consent dated 26th February 2026 (RN: 25/06843/LBC) for the replacement of the existing fourth floo...

Listed Building Consent Application Westminster
12 Aug 2026 Approved 26/05501/ADLBC

43 Eaton Place London SW1X 8BX

Details of the skirting proposed at the landings of the back of house staircase pursuant to Condition 3 (e) of listed building consent dated 26th Febr...

Approval of Details (ADLBC) Westminster
12 Aug 2026 Pending 26/05499/FULL

43 Eaton Place London SW1X 8BX

Variation of condition 9 and 11 of listed building consent dated 26th February 2026 (RN: 25/06843/LBC) for the replacement of the existing fourth floo...

Full Planning Permission Application Westminster
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Data updated daily. Source: Kensington And Chelsea and Westminster planning portals.