Grenville St Marys Hill Ascot SL5 9AP
Non material amendment to planning permission 25/03261/FULL for a reduction in the width and height of the side extension, increase in depth of side and rear extension and alterations to existing and proposed fenestration.
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Progress
Application details
- Reference
- 26/01933/NMA
- Local authority
- Windsor
- Postcode
- SL5 9AP
- Ward
- Ascot & Sunninghill
- Application type
- Amendment
- Property type
- House
Key dates
- Submitted
- 5 Aug 2026
- Validated
- 10 Aug 2026
- Target decision
- 6 Sept 2026
- Decided
- 2 Sept 2026
10 documents · 0 comments · 0 constraints
Estimated project value
£35k–£63k
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: MyJobQuote / Checkatrade 2026, ~20m² at £1,800-£3,000/m².
Recently sold nearby
Inside the two years most owners do their major work — kitchens, bathrooms, rewires and lofts.
- GRENVILLE ST MARYS HILL, ASCOT, SL5 9APDetached · £1,100,00017 months ago28 Mar 2025
- CHEYNEY HOUSE ST MARYS HILL, ASCOT, SL5 9APDetached · £1,062,7507 years ago10 May 2019
- BADGERS WOOD ST MARYS HILL, ASCOT, SL5 9APOther · Not a standard market sale · £1,177,5007 years ago20 Nov 2018
- BYWELL HOUSE ST MARYS HILL, ASCOT, SL5 9APDetached · £1,700,0007 years ago28 Sept 2018
- HOLLYBANK HOUSE ST MARYS HILL, ASCOT, SL5 9APDetached · £1,360,00012 years ago30 Jan 2014
- ERRANT COURTNEY ST MARYS HILL, ASCOT, SL5 9APDetached · £1,089,00012 years ago22 Nov 2013
- BYWELL HOUSE ST MARYS HILL, ASCOT, SL5 9APDetached · £903,10014 years ago31 Aug 2012
- PILGRIMS HOUSE ST MARYS HILL, ASCOT, SL5 9APDetached · £997,00016 years ago16 Dec 2009
Homes here go for about £1,089,000 — the median of the last 7 market sales in SL5 9AP, £903,100 to £1,700,000.
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.
Recorded changes
- 7 Sept 2026: Approved
- 7 Sept 2026: app_state changed from Undecided to Permitted
- 7 Sept 2026: Decision dated 2026-09-02
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