25 Alwyn Road Maidenhead SL6 5EG Data via plota.co.uk
Proposal
First floor side/rear extension and alterations to fenestration. Data via plota.co.uk
Application progress
Approved on 28 Sept 2026 · Last checked 29 Sept 2026
Documents 7
Statements & assessments 3
Application forms 2
Consultation & comments 1
Other documents 1
Site constraints 2
Checked on 6 October 2026. Historic England, the Environment Agency, Natural England, the British Geological Survey and UK Health Security Agency (radon, contains BGS materials © UKRI) 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.
Building
From the energy performance certificate lodged in February 2024, 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.
Other new applications on this street
7 Alwyn Road Maidenhead SL6 5EG
Certificate of lawfulness to determine whether the proposed 2no. front rooflight...
31 Alwyn Road Maidenhead SL6 5EG
Non material amendments to planning permission 23/00991/FULL for 3no. ground flo...
50 Alwyn Road Maidenhead SL6 5EL
Single storey side/rear extension
60 Alwyn Road Maidenhead SL6 5EL
Single storey front extension with canopy, single storey side/rear extension, ad...
Nearby new applications
13 Orchard Grove Maidenhead SL6 6DR
Single storey rear extension no greater than 5.33m in depth, 3.00m high with an ...
84 Oaken Grove Maidenhead SL6 6HH
New roof with raised ridge, eaves and chimney, single storey rear extension, par...
47 Birdwood Road Maidenhead SL6 5AP
Certificate of lawfulness to determine whether the proposed outbuilding ancillar...
21 Lincoln Road Maidenhead SL6 5HW
Certificate of lawfulness to determine whether the proposed single storey rear e...
13 Orchard Grove Maidenhead SL6 6DR
Certificate of lawfulness to determine whether the proposed hip to gable roof al...
BUPA Care Homes St Marks Nursing Centre 110 St Marks Road Maidenhead SL6 6DN
(Group 1) Sycamore, Common hawthorn, Common ivy, Cherry species, Mixed species -...
Important details
- Council
- Windsor and Maidenhead
- Application type
- Full
- Postcode
- SL6 5EG
- Received
- 28 Jul 2026
- Validated
- 4 Aug 2026
- Ward
- Pinkneys Green
- Parish
- Maidenhead Unparished
- Target decision
- 28 Sept 2026
- Decision
- Application Permitted
- Decision date
- 28 Sept 2026
- 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-15116559
- Planning Portal ref
- PP-15116559
- Comments by
- 1 Sept 2026
- Statutory expiry
- 28 Sept 2026
- Env. assessment
- No
Historical activity at this location
21 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.
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.
Track this application
25 Alwyn Road Maidenhead SL6 5EG
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.