21 Tilstone Avenue Eton Wick Windsor SL4 6NF
Single storey front extension, single storey rear extension, tip to gable roof extension with x2 front rooflights, x1 front dormer and x1 rear dormer with juliet balcony to enlarge the existing habitable roof space, replacement repositioned garage, new off street vehicular parking and alterations to boundary treatment and fenestration, following demolition of the existing single storey rear element.
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Progress
Application details
- Reference
- 21/01649/FULL
- Local authority
- Windsor
- Postcode
- SL4 6NF
- Ward
- Eton And Castle
- Application type
- Full
- Property type
- House
Key dates
- Submitted
- 27 May 2021
- Validated
- 27 May 2021
- Comments close
- 1 Jul 2021
- Target decision
- 22 Jul 2021
- Decided
- 7 Oct 2021
6 documents · 0 comments · 10 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. 2 recent sales are listed below.
- 26 TILSTONE AVENUE, WINDSOR, SL4 6NFSemi-detached · £675,0007 months ago6 Mar 2026
- 29 TILSTONE AVENUE, WINDSOR, SL4 6NFSemi-detached · £540,00011 months ago21 Nov 2025
- 32 TILSTONE AVENUE, WINDSOR, SL4 6NFSemi-detached · £450,0003 years ago20 Jun 2023
- 17 TILSTONE AVENUE, WINDSOR, SL4 6NFSemi-detached · £690,0003 years ago8 Feb 2023
- 31 TILSTONE AVENUE, WINDSOR, SL4 6NFSemi-detached · £575,0004 years ago26 Apr 2022
- 37A TILSTONE AVENUE, WINDSOR, SL4 6NFFlat or maisonette · Leasehold · £285,0005 years ago4 Jun 2021
- 21 TILSTONE AVENUE, WINDSOR, SL4 6NFSemi-detached · £325,0007 years ago24 Apr 2019
- 22 TILSTONE AVENUE, WINDSOR, SL4 6NFSemi-detached · £395,0008 years ago9 Feb 2018
Homes here go for about £495,000 — the median of the last 8 market sales in SL4 6NF, £285,000 to £690,000.
Contains HM Land Registry data © Crown copyright and database right 2026. 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.
Nearby applications
- 21 Tilstone Avenue Eton Wick Windsor SL4 6NFWithdrawnNext door
- 52 Tilstone Close Eton Wick Windsor SL4 6NGPermittedNext door
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- 11 Cornwall Close Eton Wick Windsor SL4 6NBPermitted96 yd
- 40 Tilstone Close Eton Wick Windsor SL4 6NGPermitted121 yd
- 38 Tilstone Close Eton Wick Windsor SL4 6NGPermitted137 yd