Skip to content

4 Castle Avenue Datchet Slough SL3 9BA

25/00899/FULLFullRefused

Proposal

Part garage conversion, single storey front extension, single storey rear extension, 1no. side dormer and alterations to existing front and rear dormers and fenestration (Retrospective).

Received
2 April 2025
Decided
23 June 2025 · Refuse
Decision level
Delegated (officer decision)
Ward
Datchet Horton And Wraysbury
Approximate site (title boundary)
Boundary © HM Land Registry, © Ordnance Survey · details

This information is subject to Crown copyright and database rights 2026 and is reproduced with the permission of HM Land Registry. The polygons (including the associated geometry, namely x, y co-ordinates) are subject to Crown copyright and database rights 2026 Ordnance Survey AC0000851063. Conditions of use.

  1. Received2 Apr
  2. Validated28 Apr
  3. Consult.28 May
  4. Target23 Jun
  5. Decided23 Jun

Decided in 56 days (council typically 56)

8 weeks typical decision time in Windsor67% of full applications approved

This is a full planning application for a single storey rear extension at 4 Castle Avenue Datchet Slough SL3 9BA. Windsor has handled 1,331 applications of this type and approves 77% of them, typically deciding them in 60 days. This one was decided in 82 days, 3 weeks longer than Windsor's median. The site is in a conservation area. There are no previous applications recorded at this address. In the past year there have been 78 applications across Datchet Horton And Wraysbury. We hold 2,592 applications in total for the SL3 postcode area.

Application Details

Reference
25/00899/FULL
Address
4 Castle Avenue Datchet Slough SL3 9BA
Postcode
SL3 9BA
Local Authority
Windsor
Application Type
Full
Scale / Size
Small
Decision Status
Rejected
Current Status
Decided
Ward
Datchet Horton And Wraysbury
Parish
Datchet Parish

Applicant & Agent

Agent Address
111 Upton Court Road Slough SL3 7NG

Planning Application Dates

Date Received
2 April 2025
Consultation Expiry
28 May 2025
Target Decision Date
23 June 2025
Date Decided
23 June 2025
Date Validated
28 April 2025
Date Submitted
2 April 2025
Neighbour Consultation End
28 May 2025
Last Date for Comments
28 May 2025

Planning Decision

Decision
Refuse
Decided By
Delegated
Statutory Period
56 days

Publicity

Appeal

Additional Information

Planning Portal ID
PP-13914483
Documents
14
Coordinates
51.491188, -0.586343
Enriching application data
2/3
Council recordsAppealsFlood risk

Source: Windsor

Track this application

Get email alerts when there is a planning decision or status change.

Get email alerts near SL3

New planning applications delivered to your inbox weekly.

Planning constraints

Designations that overlap or adjoin the site outline.

  • Flood zone 3: High probability (rivers and sea)Part of the site

Not published by this council, so not checked: conservation areas, Article 4 directions and tree preservation orders. Ask the council if these matter.

Also checked, none recorded (21)

flood storage areas, listed buildings, green belt, scheduled monuments, World Heritage Sites, World Heritage Site buffer zones, registered parks and gardens, registered battlefields, Heritage at Risk entries, nutrient neutrality catchments, national parks, National Landscapes, SSSIs, Special Areas of Conservation, Special Protection Areas, Ramsar sites, ancient woodland, national nature reserves, local nature reserves, heritage coasts and brownfield registers.

A guide only, from official open data; it is not a planning search. Flood zones cover rivers and sea, not surface water.

Data © Crown copyright and others · sources and licences

Contains public sector information from planning.data.gov.uk (MHCLG and local planning authorities), licensed under the Open Government Licence v3.0. © Crown copyright and database right 2026.

© Historic England 2026. Contains Ordnance Survey data © Crown copyright and database right 2026. The Historic England GIS Data contained in this material was obtained on 2026-10-09. The most publicly available up to date Historic England GIS Data can be obtained from HistoricEngland.org.uk.

© Natural England copyright. Contains Ordnance Survey data © Crown copyright and database right 2026.

© Environment Agency copyright and/or database right 2026. All rights reserved. Flood Map for Planning, Open Government Licence v3.0.

Contains Ordnance Survey data © Crown copyright and database right 2026.

Source: Office for National Statistics licensed under the Open Government Licence v.3.0. Contains OS data © Crown copyright and database right 2026.

What's been approved on your street?

See what the council approved and refused near this address for the project you have in mind, and the rules that apply here.

Get The Signal Report