88, Cornwall Avenue, Slough, SL2 1AZ
Refused on 4 June 2025
Council decision: Refused; InformativesDelegated (officer decision)
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.
Proposal
Construction of a single storey rear and side extension and conversion of shed to gym in rear of garden
- Received
- 18 March 2025
- Decision level
- Delegated (officer decision)
- Council
- Slough Borough Council
- Ward
- Farnham
- ReceivedReceived18 Mar
- ValidatedValidated18 Mar
- Consult.Consultation
- TargetTarget Date13 May
- DecidedDecided4 Jun
Decided in 78 days (council typically 56)
About this application
This is a full planning application for a side extension at 88, Cornwall Avenue, Slough, SL2 1AZ. Slough has handled 2,648 applications of this type. This one was decided in 78 days, 3 weeks longer than Slough's typical decision time. There have been 3 other applications at this address. In the past year there have been 59 applications across Farnham. We hold 2,503 applications in total for the SL2 postcode area.
79% of full applications at Slough Borough Council were approved. Across all application types, the council typically decides in about 8 weeks (median).
Based on decided applications received in the last 3 years.Planning something similar? See what gets approved on your street
Application details
- Postcode
- SL2 1AZ
- Application type
- Full Planning
- Scale / size
- Medium
Planning application dates
- Date validated
- 18 March 2025
- Target decision date
- 13 May 2025
- Application expires
- 25 June 2025
Planning decision
- Statutory period
- 99 days
Publicity
- First advertised
- 18 March 2025
- Site notice start
- 18 March 2025
Additional information
- UPRN
- 100080312995
- Documents
- 2
Site constraints
Designations that overlap or adjoin the site outline.
- Flood zone 1: Low probability (rivers and sea)
Not published by this council, so not checked: Article 4 directions. Ask the council if these matter.
Possibly incomplete for this council: tree preservation orders.
Also checked, none recorded (22)
flood storage areas, conservation 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 2026-11-03. 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.
Planning history at this site
3 other applications at this property, newest first.
- 202510 Jul
Construction of a single storey side and rear extension
ApprovedFull PlanningP/20641/003 - 202425 Nov
The erection of a single storey rear extension, which would extend beyond the rear wall of the original house…
ApprovedPermitted Development with ConsultationY/20641/001 - 20244 Sep
The erection of a single storey rear extension, which would extend beyond the rear wall of the original house…
RefusedPermitted Development with ConsultationY/20641/000
Source: Slough
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Around this site
Nearby applications
- 88, Cornwall Avenue, Slough, SL2 1AZY/20641/001 · OutlineApproved0.0 mi
- 88, Cornwall Avenue, Slough, SL2 1AZP/20641/003 · FullApproved0.0 mi
- 88, Cornwall Avenue, Slough, SL2 1AZY/20641/000 · OutlineRefused0.0 mi
- 82, Cornwall Avenue, Slough, SL2 1AZP/16503/000 · FullRefused0.0 mi
- 82, Cornwall Avenue, Slough, SL2 1AZP/16503/002 · FullApproved0.0 mi
For applicants and trades
Contractors near this project
Find contractors for extensions near this site- Lynford homesVerifiedBuckinghamshireNew Builds5.3 mi
- SR Heating & Plumbing LtdElectrician0.1 mi
- Gills ElectricElectrician0.1 mi
- QJS ElectricsElectrician0.2 mi
Planning something similar?
See what the council approved and refused for wrap-around (side and rear) extensions on your street. Pick your home and get the evidence before you pay for drawings.