109 Eaton Square Westminster SW1W 9AA
External and internal works, including replacement of existing vault doors with acoustic louvred doors associated with plant, replacement of existing security grilles to LGF front windows, demolition and rebuilding of existing closet wing infill extension at GF rear, replacement of external doors and windows and blocking up window opening to side of closet wing at GF level, opening up works for the purposes of investigation, demolition of and installation of partitions and suspended ceilings, replacement of internal doors, replacement of existing staircase, reinstatement and replacement of internal architectural features, installation of lighting, installation of new service routes associated with the plant and MEP and structural works. (Linked with 26/05890/FULL)
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Progress
Application details
- Reference
- 26/05891/LBC
- Local authority
- Westminster
- Postcode
- SW1W 9AA
- Ward
- KBW_22
- Application type
- All Other
- Property type
- House
Key dates
- Submitted
- 24 Sept 2026
- Validated
- 24 Sept 2026
- Comments close
- 20 Oct 2026
- Target decision
- 19 Nov 2026
Estimated project value
£5k–£16k
Typical UK cost for this job type, at inner London rates (2026). Estimated from the proposal description — planning applications do not state build cost. Source: FMB 2026 double glazing guide, 3-bed semi full replacement.
Recently sold nearby
Inside the two years most owners do their major work — kitchens, bathrooms, rewires and lofts.
- 113 EATON SQUARE, LONDON, SW1W 9AAOther · Not a standard market sale · £29,000,00020 months ago31 Jan 2025
- 116 EATON SQUARE, LONDON, SW1W 9AAFlat or maisonette · Leasehold · £3,000,0002 years ago4 Sept 2024
- FLAT A, 116 - 117 EATON SQUARE, LONDON, SW1W 9AAFlat or maisonette · Leasehold · Not a standard market sale · £1,020,0002 years ago4 Sept 2024
- BASEMENT AND GROUND FLOOR FLAT, 109 EATON SQUARE, LONDON, SW1W 9AAFlat or maisonette · Leasehold · £5,350,0002 years ago1 Jul 2024
- FLAT 1, 110 EATON SQUARE, LONDON, SW1W 9AAFlat or maisonette · Leasehold · £1,175,0002 years ago5 Apr 2024
- APARTMENT 5, 103 EATON SQUARE, LONDON, SW1W 9AAFlat or maisonette · Leasehold · £725,0003 years ago28 Mar 2023
- FLAT E, 116 - 117 EATON SQUARE, LONDON, SW1W 9AAOther · Leasehold · Not a standard market sale · £2,200,0003 years ago20 Mar 2023
- APARTMENT 104/1, 103 - 104 EATON SQUARE, LONDON, SW1W 9AAFlat or maisonette · Leasehold · £12,500,0004 years ago15 Dec 2021
Homes here go for about £3,000,000 — the median of the last 5 market sales in SW1W 9AA, £725,000 to £12,500,000.
Contains HM Land Registry data © Crown copyright and database right 2025. This data is licensed under the Open Government Licence v3.0. Sales are matched by postcode, not by property, so a sale listed here may be a neighbouring address. England and Wales only.
Planning constraints
No designations recorded at this location. This is not a formal search — always confirm with the local authority before relying on it.
Designations from planning.data.gov.uk, Open Government Licence v3.0. Indicative only — not a formal local authority search.
Recorded changes
- 26 Sept 2026: Now also includes windows and doors
Nearby applications
- 109 Eaton Square Westminster SW1W 9AAPendingNext door
- 109 Eaton Square Westminster SW1W 9AAWithdrawnNext door
- 109 Eaton Square Westminster SW1W 9AAWithdrawnNext door
- 109 Eaton Square Westminster SW1W 9AAPermittedNext door
- 109 Eaton Square Westminster SW1W 9AAPermittedNext door
- 109 Eaton Square Westminster SW1W 9AAPermittedNext door