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Planning application

3 Eccleston Street London SW1W 9LZ

Decided Westminster 26/05173/FULL Full applications

Works: Roofing

Decided. The decision notice on the council portal carries the outcome in full, including any conditions.

Proposal

Variation of condition 1 of planning permission dated 24 June 2025 (RN: 24/09005/FULL) for the: Removal of existing lift overrun and redundant roof equipment, installation of a new roof enclosure to house lift and staircase access to roof, installation of a pergola in association with the creation of a new roof terrace at fourth floor level. Namely, amendments to the balustrade and incorporation and alteration of ductwork.

As published by the council, reference 26/05173/FULL

Application record

Reference
26/05173/FULL
Category
Full applications
Status
Decided
Received
31 Jul 2026
Validated
31 Jul 2026
Postcode
SW1W 9LZ

Site history

Applications at this address on the Westminster register

This site has had 7 applications since 2025: 2 approved, 1 refused.

  • 26/05172/NMA Awaiting decision

    3 Eccleston Street London SW1W 9LZ

    Amendments to planning permission dated 21 May 2025 (RN: 24/08110/FULL) for the: Refurbishment of building, replacement of all windows at first, second and third floor level, replacement of two doors at ground floor level, removal of two existing windows on eastern elevation, new artwork on eastern elevation, installation of a plant enclosure and replacement of existing roof-top plant equipment and associated works. Namely, to increase the height of the approved ductwork and introduce a short section of stacked ductwork.

    Submitted 31 Jul 2026 Amendments
  • 26/02350/NMA Awaiting decision

    3 Eccleston Street London SW1W 9LZ

    Amendments to planning permission dated 25 May 2025 (RN: 24/09005/FULL) for removal of existing lift overrun and redundant roof equipment, installation of a new roof enclosure to house lift and staircase access to roof, installation of a pergola in association with the creation of a new roof terrace at fourth floor level; NAMELY amendments to balustrade and ductwork.

    Submitted 10 Apr 2026 Amendments
  • 26/02351/NMA Awaiting decision

    3 Eccleston Street London SW1W 9LZ

    Amendment to planning permission dated 21st May 2025 (RN 24/08110/FULL) for the Refurbishment of building, replacement of all windows at first, second and third floor level, replacement of two doors at ground floor level, removal of two existing windows on eastern elevation, new artwork on eastern elevation, installation of a plant enclosure and replacement of existing roof-top plant equipment and associated works. NAMELY, Amendments to materiality of secondary stair core doors which front eastern elevation and installation of signage on the northern elevation.

    Submitted 10 Apr 2026 Amendments
  • 25/08264/ADFULL Granted

    3 Eccleston Street London SW1W 9LZ

    Details, including photographs of samples and/or manufacturer specifications, of the facing materials you will use, including glazing, and elevations and roof plans annotated to show where the materials are to be located pursuant to Condition 4 of planning permission dated 24 June 2025 (RN 24/09005/FULL)

    Decided 16 Feb 2026 Full applications
  • 25/06578/ADFULL Granted

    3 Eccleston Street London SW1W 9LZ

    Details, including photographs of samples and manufacturer specifications of the facing materials, including glazing, and elevations and roof plans annotated to show where the materials are to be located pursuant to Condition 6 of planning permission dated 21st May 2025 (RN: 24/08110/FULL).

    Decided 2 Oct 2025 Full applications
  • 25/06577/ADFULL Refused

    3 Eccleston Street London SW1W 9LZ

    Details, including photographs of samples and manufacturer specifications of the facing materials, including glazing, and elevations and roof plans annotated to show where the materials are to be located pursuant to Condition 4 of planning permission dated 24th June 2025 (RN: 24/09005/FULL)

    Decided 2 Oct 2025 Full applications

Timeline

Dates from the published record

  1. 31 Jul 2026

    Received by Westminster

  2. 9 Aug 2026

    Added to PlanIndex

  3. 20 Oct 2026

    Status changed to Decided

    Previously Pending.

After the decision

Westminster has decided this application; the outcome above is the register's own wording and the decision notice on the council portal carries the detail. 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 0.3 miles

  • 3 Eccleston Street London SW1W 9LZ

    26/05172/NMA Submitted 31 Jul 2026 50 yards away

    93% historically approved · decision due ~25 Sep

    Amendments to planning permission dated 21 May 2025 (RN: 24/08110/FULL) for the: Refurbishment of building, replacement of all windows at first, second and third floor level, replacement of two doors at ground floor level, removal of two existing windows on eastern elevation, new artwork on eastern elevation, installation of a plant enclosure and replacement of existing roof-top plant equipment and associated works. Namely, to increase the height of the approved ductwork and introduce a short section of stacked ductwork.

    Awaiting decision Amendments Windows or glazing
  • Radstock House 3 Eccleston Street London SW1W 9LZ

    25/05849/NMA Submitted 18 Aug 2025 50 yards away

    Amendment to planning permission dated 21 May 2025 (RN: 24/08110/FULL) for 'Refurbishment of building, replacement of all windows at first, second and third floor level, replacement of two doors at ground floor level, removal of two existing windows on eastern elevation, new artwork on eastern elevation, installation of a plant enclosure and replacement of existing roof-top plant equipment and associated works'. NAMELY, updating the approved drawings to ensure full alignment between drawings.

    Granted Amendments Windows or glazing 13 docs
  • Radstock House 3 Eccleston Street London SW1W 9LZ

    25/05848/NMA Submitted 18 Aug 2025 50 yards away

    Amendments to planning permission dated 24 June 2025 (RN: 24/09005/FULL) for 'Removal of existing lift overrun and redundant roof equipment, installation of a new roof enclosure to house lift and staircase access to roof, installation of a pergola in association with the creation of a new roof terrace at fourth floor level'. Namely, changes to treatment of secondary stair core.

    Granted Amendments Roofing 13 docs
  • 3 Eccleston Street London SW1W 9LZ

    25/06578/ADFULL Submitted 15 Sep 2025 50 yards away

    Details, including photographs of samples and manufacturer specifications of the facing materials, including glazing, and elevations and roof plans annotated to show where the materials are to be located pursuant to Condition 6 of planning permission dated 21st May 2025 (RN: 24/08110/FULL).

    Granted Full applications Windows or glazing 7 docs
  • 3 Eccleston Street London SW1W 9LZ

    25/06577/ADFULL Submitted 15 Sep 2025 50 yards away

    Details, including photographs of samples and manufacturer specifications of the facing materials, including glazing, and elevations and roof plans annotated to show where the materials are to be located pursuant to Condition 4 of planning permission dated 24th June 2025 (RN: 24/09005/FULL)

    Refused Full applications Windows or glazing 9 docs
  • 3 Eccleston Street London SW1W 9LZ

    25/08264/ADFULL Submitted 12 Nov 2025 50 yards away

    Details, including photographs of samples and/or manufacturer specifications, of the facing materials you will use, including glazing, and elevations and roof plans annotated to show where the materials are to be located pursuant to Condition 4 of planning permission dated 24 June 2025 (RN 24/09005/FULL)

    Granted Full applications Windows or glazing 7 docs

In Westminster

  • 26/07528/FULL Awaiting decision

    69 Eaton Place London SW1X 8DF

    Installation of new cast iron water pipe on rear courtyard elevation. (Linked with 26/07529/LBC)

    Received 5 Nov, published by the council 6 Nov 2026 Full applications
  • 26/05200/FULL Decided

    1 The Court House 165 Seymour Place London W1H 4PU

    Installation of waterproofing system to the existing lead flat roofs

    Received 3 Aug, published by the council 28 Aug 2026 Full applications
  • 26/07521/FULL Awaiting decision

    Flat 18 Harlequin Court 20 Tavistock Street London WC2E 7NZ

    Installation of one external condenser unit

    Received 4 Nov, published by the council 6 Nov 2026 Full applications
  • 26/07508/FULL Awaiting decision

    Buckingham Palace The Mall London SW1A 1AA

    Replacement of existing security lighting to the Buckingham Palace Forecourt with 80 compact LED spotlights installed within the lantern clusters across 10 principal piers, with associated concealed cabling and reversible fixings. (Linked with 26/07509/LBC)

    Received 4 Nov, published by the council 5 Nov 2026 Full applications
  • 26/07472/FULL Awaiting decision

    Flat 3 82 New Cavendish Street London W1G 9TA

    Replacement windows to second floor level with vacuum, double glazing windows. (Linked with 26/07473/LBC)

    Received 3 Nov, published by the council 6 Nov 2026 Full applications