Planning application
Third Floor And Fourth Floor Maisonette 49 Eaton Place London SW1X 8DE
Works: Windows or glazing
Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.
Proposal
Installation of new slimline double glazed sash windows throughout within retained box frames. (Linked with 26/03184/LBC)
As published by the council, reference 26/03183/FULL
Application record
- Reference
- 26/03183/FULL
- Type
- Full Planning Permission Application
- Status
- Pending
- Received
- 14 May 2026
- Validated
- 14 May 2026
- Ward
- Knightsbridge & Belgravia
- Postcode
- SW1X 8DE
Site history
Applications at this address on the Westminster register
This site has had 5 applications since 2026.
-
26/03623/ADLBC Awaiting decision
Third Floor And Fourth Floor Maisonette 49 Eaton Place London SW1X 8DE
Details of new doors pursuant to condition 7 of listed building consent dated 28th April 2026 (RN:26/01352).
-
26/03184/LBC Awaiting decision
Third Floor And Fourth Floor Maisonette 49 Eaton Place London SW1X 8DE
Installation of new slimline double glazed sash windows throughout within retained box frames. (Linked with 26/03183/FULL)
-
26/01352/LBC Awaiting decision
Third Floor And Fourth Floor Maisonette 49 Eaton Place London SW1X 8DE
Installation of air conditioning system with external condenser at roof level; new roof light; internal alterations and refurbishment works.
-
26/01351/FULL Awaiting decision
Third Floor And Fourth Floor Maisonette 49 Eaton Place London SW1X 8DE
Installation of air conditioning condenser unit at roof level and new roof light for maintenance access.
Timeline
Dates from the published record
-
14 May 2026
Received by Westminster
-
21 Jul 2026
Added to PlanIndex
-
Decision
Awaiting decision
Decision expected by 9 July 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.
Westminster took a median of 91 days over the applications it decided in the last year.
Documents
Plans, drawings, consultee responses and the officer's report
12 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.
Watch members (£5 a month) open the document list from here.
Open the documentsWhat happens while it is decided
This application is with Westminster for determination, against a statutory target of eight weeks. Over the last year Westminster decided full applications in a median of 119 days. More in our guide to how long planning decisions take.
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
-
Third Floor And Fourth Floor Maisonette 49 Eaton Place London SW1X 8DE
90% historically approved · decision due ~9 Jul
Installation of new slimline double glazed sash windows throughout within retained box frames. (Linked with 26/03183/FULL)
Awaiting decision Heritage and listed buildings Windows or glazing 1 doc -
Third Floor And Fourth Floor Maisonette 49 Eaton Place London SW1X 8DE
90% historically approved · decision due ~28 Apr
Installation of air conditioning system with external condenser at roof level; new roof light; internal alterations and refurbishment works.
Awaiting decision Heritage and listed buildings Loft or dormer Roofing 13 docs -
Third Floor And Fourth Floor Maisonette 49 Eaton Place London SW1X 8DE
88% historically approved · decision due ~28 Apr
Installation of air conditioning condenser unit at roof level and new roof light for maintenance access.
Awaiting decision Full applications Loft or dormer Roofing 18 docs -
Third Floor And Fourth Floor Maisonette 49 Eaton Place London SW1X 8DE
89% historically approved · decision due ~29 Jul
Details of new doors pursuant to condition 7 of listed building consent dated 28th April 2026 (RN:26/01352).
Awaiting decision Conditions 5 docs -
First Floor And Second Floor Flat 2 47 Eaton Place London SW1X 8DE
Internal refurbishments and alterations at first and second floor and external works including the replacement of glass to the retained windows with slimline double glazing and a replacement balustrade to rear terrace.
Granted Heritage and listed buildings Windows or glazing 43 docs -
First Floor And Second Floor Flat 2 47 Eaton Place London SW1X 8DE
Replacement of glass to the retained windows with slimline double glazing and a replacement balustrade to rear terrace.
Granted Full applications Windows or glazing 48 docs
Other full applications
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)
-
26/05200/FULL Decided
1 The Court House 165 Seymour Place London W1H 4PU
Installation of waterproofing system to the existing lead flat roofs
-
26/07521/FULL Awaiting decision
Flat 18 Harlequin Court 20 Tavistock Street London WC2E 7NZ
Installation of one external condenser unit
-
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)
-
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)