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Planning application

25 Wellington Square, London, SW3 4NR

Granted Kensington and Chelsea PP/26/01347 Planning Permission

Permission granted. Work must normally begin within three years of the decision or the permission lapses.

Proposal

Installation of 1no. air conditioning condenser unit within an acoustic enclosure on the main roof level; installation of internal air handling plant?within the roof void; and insertion of high-velocity outlet vents in top-floor ceilings

As published by the council, reference PP/26/01347

Application record

Reference
PP/26/01347
Type
Planning Permission
Status
Decided
Decision
Grant Planning Permission/Consent
Received
26 Jan 2026
Decided
10 Jul 2026
Ward
Royal Hospital
Parish
16
Postcode
SW3 4NR

Site history

Applications at this address on the Kensington and Chelsea register

This site has had 3 applications since 2026: 2 approved, 0 refused.

  • CON/26/03873 Awaiting decision

    25 Wellington Square, London, SW3 4NR

    Details submitted for approval pursuant to condition vi) of the Local Listed Building Consent Order (Solar Panels) dated 18 May 2022, comprising: (a) POSITION: Roof plan (drawing ref 25WSQ-PV-01) showing the location of all 14 solar PV panels on the inward-facing slopes of the butterfly roof and rear roof slope. No panel is located on a roof slope facing a highway; all panels sit below the front parapet and are not visible from Wellington Square or any public vantage point. (b) SIZE: 14 no. Aiko ABC 490W monocrystalline panels, each approx. 1722mm x 1134mm; datasheet enclosed. (c) FIXING/FRAME: Black anodised aluminium mounting rails and frames, colour-matched dark finish; fixing details as datasheet and roof plan. (d) PANEL COLOUR AND FINISH: Full-black monocrystalline panels with low-reflective finish, close in tone to the existing roof covering. (e) ASSOCIATED EQUIPMENT: Inverter and isolators located internally; battery storage unit located externally beneath the existing external LGF staircase, fully concealed from all public and neighbouring views, surface-mounted and reversible with no fixing into historic fabric; energy monitoring equipment internal. (f) ROOF STRENGTHENING: None required - confirmed by installer (Solar Source Electrical); panels are distributed-load mounted within the capacity of the existing roof structure. IN ADDITION, this application requests the Council's written agreement under condition iii) of the Order to two south-west-facing panels spanning the central roof valley at a 30-degree tilt, with a maximum perpendicular projection of approx. 70cm above the roof surface beneath. The panel sits wholly behind and below the front parapet line and is not visible from the square. Justification statement, dimensioned roof section (25WSQ-PV-01) and sightline photographs enclosed. Supporting documents: covering letter; condition vi) details statement; condition iii) justification statement; roof plan; roof section; sightline photographs; manufacturer datasheet;

    Submitted 20 Jul 2026 Conditions
  • LB/26/01348 Granted

    25 Wellington Square, London, SW3 4NR

    Installation of 1no. air conditioning condenser unit within an acoustic enclosure on the main roof level; installation of internal air handling plant?within the roof void; and insertion of high-velocity outlet vents in top-floor ceilings

    Decided 10 Jul 2026 Heritage and listed buildings

Timeline

Dates from the published record

  1. 26 Jan 2026

    Received by Kensington and Chelsea

  2. 10 Jul 2026

    Decision issued: Grant Planning Permission/Consent

  3. 20 Jul 2026

    Added to PlanIndex

Documents

Plans, drawings, consultee responses and the officer's report

22 documents on file for this application

A planning file usually holds the application form, drawings and site plans, consultee responses, the officer's report and the decision notice.

Trade members open them from here.

Open the documents

What this grant of permission means

Kensington and Chelsea granted permission on 10 July 2026, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. More in our guide to what happens after a planning decision.

About full applications

A full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.

Nearby applications

Within 500 metres

  • 25 Wellington Square, London, SW3 4NR

    LB/26/01348 Submitted 26 Jan 2026 0m away

    Installation of 1no. air conditioning condenser unit within an acoustic enclosure on the main roof level; installation of internal air handling plant?within the roof void; and insertion of high-velocity outlet vents in top-floor ceilings

    Granted Heritage and listed buildings 12 docs
  • 25 Wellington Square, London, SW3 4NR

    CON/26/03873 Submitted 20 Jul 2026 0m away

    97% historically approved · decision due ~14 Sep

    Details submitted for approval pursuant to condition vi) of the Local Listed Building Consent Order (Solar Panels) dated 18 May 2022, comprising: (a) POSITION: Roof plan (drawing ref 25WSQ-PV-01) showing the location of all 14 solar PV panels on the inward-facing slopes of the butterfly roof and rear roof slope. No panel is located on a roof slope facing a highway; all panels sit below the front parapet and are not visible from Wellington Square or any public vantage point. (b) SIZE: 14 no. Aiko ABC 490W monocrystalline panels, each approx. 1722mm x 1134mm; datasheet enclosed. (c) FIXING/FRAME: Black anodised aluminium mounting rails and frames, colour-matched dark finish; fixing details as datasheet and roof plan. (d) PANEL COLOUR AND FINISH: Full-black monocrystalline panels with low-reflective finish, close in tone to the existing roof covering. (e) ASSOCIATED EQUIPMENT: Inverter and isolators located internally; battery storage unit located externally beneath the existing external LGF staircase, fully concealed from all public and neighbouring views, surface-mounted and reversible with no fixing into historic fabric; energy monitoring equipment internal. (f) ROOF STRENGTHENING: None required - confirmed by installer (Solar Source Electrical); panels are distributed-load mounted within the capacity of the existing roof structure. IN ADDITION, this application requests the Council's written agreement under condition iii) of the Order to two south-west-facing panels spanning the central roof valley at a 30-degree tilt, with a maximum perpendicular projection of approx. 70cm above the roof surface beneath. The panel sits wholly behind and below the front parapet line and is not visible from the square. Justification statement, dimensioned roof section (25WSQ-PV-01) and sightline photographs enclosed. Supporting documents: covering letter; condition vi) details statement; condition iii) justification statement; roof plan; roof section; sightline photographs; manufacturer datasheet;

    Awaiting decision Conditions Roofing 10 docs
  • Gardens, Wellington Square, London, SW3 4NR

    ARB/25/05210 Submitted 28 Aug 2025 23m away

    Prune 8x London Plane (Platanus x hispanica) and 2x Privet (Ligustrum lucidum)

    Granted Trees 6 docs
  • 2 and 2A Smith Street, London, SW3 4EE

    CL/23/01316 Submitted 23 Feb 2023 24m away

    Confirmation that the dwelling known as 2 and 2A Smith Street has been in use as a single dwellinghouse for more than 4 years and is therefore immune from enforcement action in accordance with Section 171(B) of the Town and Country Planning Act 1990. (Certificate of lawful Existing Use.)

    Granted Lawful development 14 docs
    Domestic
  • 4 Smith Street, London, SW3 4EE

    ARB/26/00603 Submitted 16 Dec 2025 24m away

    Prune 1x Lime at rear

    Granted Trees 6 docs
  • 5 Wellington Square, London, SW3 4NJ

    LB/24/05117 Submitted 25 Jul 2024 41m away

    Demolition and rebuilding of 5x storey rear outrigger. Demolition and rebuilding of rear infill extension. Internal alterations and maintenance works.

    Granted Heritage and listed buildings Extension Demolition 45 docs

In Kensington and Chelsea

  • PP/18/01985 Withdrawn

    Flat 3, 24 Cornwall Gardens, London, SW7 4AW

    Works to second floor flat including erection of rear extension, creation of external roof terrace areas above and to rear of said extension (with perimeter metal railings), together with internal alterations including removal of internal wall between kitchen and living room, and other refurbishment works

    9 Apr 2018 Full applications
  • PP/26/03176 Granted

    12 Shawfield Street, London, SW3 4BD

    Replacement windows, new rooflight and replacement lower ground rear rooflights.

    15 Jun 2026 Full applications
  • PP/26/03048 Granted

    24 Charles II Place, London, SW3 4NG

    Removal of existing conservatory structure. Construction of a single-storey rear extension at lower ground floor level. Installation of a contemporary three-panel sliding glazed door opening onto rear garden. Internal reconfiguration at lower ground floor level.

    9 Jun 2026 Full applications
  • PP/26/03042 Granted

    Flat 7, 7 Egerton Place, London, SW3 2EF

    Installation of air conditioning system including external condenser unit housed within enclosure at roof level. Replacement of roof lantern, rooflight and roof access hatch with flat glazed access hatch and rooflights. Replacement of two rear elevation uPVC windows with timber-framed slimline double-glazed sliding sash windows; and associated external alterations.

    9 Jun 2026 Full applications
  • PP/26/02897 Withdrawn

    46 Evelyn Gardens, London, SW7 3BH

    Positioning of two new external heat pump condensers within two separate acoustic enclosures, one on main roof of house and other on rear forth floor roof terrace.

    1 Jun 2026 Full applications