Heathfield House Heathfield Avenue Ascot SL5 0AL Data via plota.co.uk
Proposal
Certificate of lawfulness to determine whether the proposed all-weather tennis court and associated chain-link perimeter incidental to the main dwelling is lawful. Data via plota.co.uk
Application progress
Approved on 24 Feb 2026 · Delegated · Last checked 7 Jul 2026
Documents 5
Decision & officer reports 2
Statements & assessments 1
Site constraints 5
Checked on 6 October 2026. The pin for this application is the centre of its postcode rather than the building, so distances to nearby designations are measured from the postcode and can be out by the width of the postcode area. 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 2
Last sold for £2,200,000 in March 2018. Detached house, freehold.
Sale prices from HM Land Registry's price paid record, matched to this application by its address.
Every application in Windsor and Maidenhead - and every UK council - as a live feed, an API, or a bulk CSV export.
Nearby new applications
11 Tenby Drive Ascot SL5 0AF
(T003) Common beech (Fagus sylvatica) - reduce canopy height and lateral spread ...
Welton London Road Sunninghill Ascot SL5 0PH
Variation (under Section 73) of Condition 5 (Sustainable Drainage); Condition 7 ...
Chartwell House Hancocks Mount Ascot SL5 9PQ
(T1) Chestnut - crown reduce the tree to a monolith at the crown break leaving t...
Chartwood 8 Hancocks Mount Ascot SL5 9PQ
(T1) Oak - Crown raise removing the 3-4 lowest branches on the Eastern side. (00...
Charters Farmhouse Charters Road Sunningdale Ascot SL5 9QZ
Extension to existing triple garage to provide a car port, storage and garden sh...
Important details
- Council
- Windsor and Maidenhead
- Application type
- Cert of Lawfulness of Proposed Dev
- Postcode
- SL5 0AL
- Received
- 29 Jan 2026
- Validated
- 29 Jan 2026
- Ward
- Sunningdale And Cheapside
- Parish
- Sunninghill And Ascot Parish
- Case officer
- Show
- Target decision
- 26 Mar 2026
- Decision
- Permitted Development
- Decision date
- 24 Feb 2026
- Decision level
- Delegated
- Applicant
- Show
- Agent
- Show
How this decision compares
Decided in 26 days from validation, 27 days faster than Windsor and Maidenhead's median of 53 for extensions. 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-14656010
- Planning Portal ref
- PP-14656010
- Statutory expiry
- 26 Mar 2026
- Env. assessment
- No
Historical activity at this location
30 previous applications on record - archival context, not part of the live application.
Previous applications at this address
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.
Track this application
Heathfield House Heathfield Avenue Ascot SL5 0AL
Tracking this application
Not there in a minute? Check junk - especially Hotmail and Outlook.
Go to your dashboard →Sign in to view contact details
Applicant and case-officer names are hidden from public view for privacy. Create a free Plota account - or sign back in - and we'll show them, plus you get a dashboard for alerts and tracked applications.