The Eton Mess 55 High Street Eton Windsor SL4 6BL
Single storey rear extension with sedum roof, rooflights and lantern following demolition of existing elements, 4no. front dormers, rear roof extension with 2no. rear dormers to allow conversion of the existing roof space to create 3no. guest rooms, ground and first floor rear/side extension with new staircase and external door, alterations to the front elevation including new fenestration, and internal alterations including enlarged basement, removal of existing chimney at rear and reconfiguration of existing refuse storage area.
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Progress
Application details
- Reference
- 26/01064/FULL
- Local authority
- Windsor
- Postcode
- SL4 6BL
- Ward
- Eton And Castle
- Application type
- Full
- Property type
- House
Key dates
- Submitted
- 29 Apr 2026
- Validated
- 4 Jun 2026
- Comments close
- 5 Jul 2026
- Target decision
- 29 Jul 2026
41 documents · 0 comments · 0 constraints
Estimated project value
£32k–£87k
Typical UK cost for this job type, at South East rates (2026). Estimated from the proposal description — planning applications do not state build cost. Source: Checkatrade 2026 loft conversion cost guide.
Recently sold nearby
Inside the two years most owners do their major work — kitchens, bathrooms, rewires and lofts. 6 recent sales are listed below.
- FLAT 4, 53A HIGH STREET, WINDSOR, SL4 6BLOther · Leasehold · Not a standard market sale · £475,00016 months ago8 May 2025
- FLAT 1, 53A HIGH STREET, WINDSOR, SL4 6BLFlat or maisonette · Leasehold · Not a standard market sale · £325,00017 months ago21 Mar 2025
- FLAT 3, 53A HIGH STREET, WINDSOR, SL4 6BLFlat or maisonette · Leasehold · £407,50018 months ago28 Feb 2025
- BAKERY FLAT, 45 HIGH STREET, WINDSOR, SL4 6BLOther · Leasehold · Not a standard market sale · £430,00018 months ago28 Feb 2025
- FLAT 2, 53A HIGH STREET, WINDSOR, SL4 6BLOther · Leasehold · Not a standard market sale · £280,00019 months ago3 Feb 2025
- FLAT 1, 45A HIGH STREET, WINDSOR, SL4 6BLFlat or maisonette · Leasehold · £265,00021 months ago29 Nov 2024
- AYOUSH, 55 HIGH STREET, WINDSOR, SL4 6BLOther · Not a standard market sale · £1,025,0002 years ago4 Sept 2024
- AYOUSH, 55 HIGH STREET, WINDSOR, SL4 6BLOther · Not a standard market sale · £1,025,0002 years ago4 Sept 2024
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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