14, 17 Eaton Square Westminster SW1W 9DD
Erection of a rear extension on the existing balcony at ground level and alterations to the fenestration to the rear of the building at ground and lower ground floor levels, to include new timber framed door/window, including new railings.
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Progress
Application details
- Reference
- 21/01779/FULL
- Local authority
- Westminster
- Postcode
- SW1W 9DD
- Ward
- KBC_02
- Application type
- All Other
- Property type
- House
Key dates
- Submitted
- 19 Mar 2021
- Validated
- 19 Mar 2021
- Comments close
- 22 Apr 2021
- Target decision
- 14 May 2021
- Decided
- 9 Jul 2021
Estimated project value
£11k–£18k
Based on the 4.3m² of floor area stated in the application, at inner London rates (2026). Source: FMB / Checkatrade 2026, single-storey extension £1,800-£3,000/m².
Floor area gained: 4.35m²
Recently sold nearby
Inside the two years most owners do their major work — kitchens, bathrooms, rewires and lofts.
- FLAT F, 18 - 19 EATON SQUARE, LONDON, SW1W 9DDFlat or maisonette · Leasehold · Not a standard market sale · £3,700,00017 months ago15 Apr 2025
- FLAT G, 18 - 19 EATON SQUARE, LONDON, SW1W 9DDFlat or maisonette · Leasehold · £1,000,0003 years ago14 Oct 2022
- FLAT H, 18 - 19 EATON SQUARE, LONDON, SW1W 9DDFlat or maisonette · Leasehold · £4,390,0004 years ago17 Dec 2021
- 16 EATON SQUARE, LONDON, SW1W 9DDFlat or maisonette · Leasehold · £1,170,0004 years ago10 Dec 2021
- FLAT K, 15 EATON SQUARE, LONDON, SW1W 9DDFlat or maisonette · Leasehold · £4,650,0004 years ago1 Oct 2021
- 17 EATON SQUARE, LONDON, SW1W 9DDFlat or maisonette · Leasehold · £1,500,0005 years ago19 Oct 2020
- FLAT 15P, 14 - 17 EATON SQUARE, LONDON, SW1W 9DDFlat or maisonette · Leasehold · £360,0006 years ago4 Aug 2020
- GROUND FLOOR AND BASEMENT FLAT, 17 EATON SQUARE, LONDON, SW1W 9DDFlat or maisonette · Leasehold · £800,0007 years ago10 Jan 2019
Homes here go for about £1,170,000 — the median of the last 7 market sales in SW1W 9DD, £360,000 to £4,650,000.
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.
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