27 Tyrell Gardens Windsor SL4 4DH Data via plota.co.uk
Proposal
Certificate of lawfulness to determine whether the proposed garage conversion is lawful. Data via plota.co.uk
Application progress
Approved on 20 Oct 2026 · Delegated · Last checked 21 Oct 2026
Documents 4
Decision & officer reports 1
Statements & assessments 1
Other documents 2
Site constraints 1
Checked on 6 October 2026. Historic England, the Environment Agency, Natural England and council datasets, Open Government Licence. A boundary can run through a site and the council holds the definitive record: confirm with the council before relying on this.
Sales history 1
Last sold for £847,500 in April 2026. Detached house, freehold.
Sale prices from HM Land Registry's price paid record, matched to this application by its address.
Building
From the energy performance certificate lodged in May 2025, the latest held for this property. The building may have changed since. View the certificate
Every application in Windsor and Maidenhead - and every UK council - as a live feed, an API, or a bulk CSV export.
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Important details
- Council
- Windsor and Maidenhead
- Application type
- Cert of Lawfulness of Proposed Dev
- Postcode
- SL4 4DH
- Received
- 26 Aug 2026
- Validated
- 26 Aug 2026
- Ward
- Clewer East
- Parish
- Windsor Unparished
- Case officer
- Show
- Target decision
- 20 Oct 2026
- Decision
- Application Permitted
- Decision date
- 20 Oct 2026
- Decision level
- Delegated
- Applicant
- Show
- Agent
- Show
How this decision compares
Decided in 55 days from validation, about the council's usual 53 days. Approved, as 75% of extensions here are.
Plota live figures for extensions decided by Windsor and Maidenhead in the last twelve months, from validation. Windsor and Maidenhead decision record →
Consultation & key dates
- Alt. reference
- PP-15186863
- Planning Portal ref
- PP-15186863
- Statutory expiry
- 20 Oct 2026
- Env. assessment
- No
Historical activity at this location
25 nearby applications on record - archival context, not part of the live application.
Nearby activity
Windsor and Maidenhead is faster than most councils at deciding householder applications, ranking #82 out of 296. Only 28% of applications have the time limit extended, well below the 41% national average - the council usually decides on time. Windsor and Maidenhead is also one of the strictest councils - it refuses more householder applications than almost any other, with only 74% approved vs 90% nationally.
Sale prices: Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0.
Freehold boundary: © Crown copyright and database rights 2026, HM Land Registry. Polygons © Crown copyright and database rights 2026 Ordnance Survey 100026316. Conditions of use
Energy performance: Energy performance certificates from the Energy Performance of Buildings Register, Ministry of Housing, Communities and Local Government. Contains public sector information licensed under the Open Government Licence v3.0. © Crown copyright 2026.
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27 Tyrell Gardens Windsor SL4 4DH
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