20, Alderbury Road, Slough, SL3 8DQ
Proposal
Lawful Development Certificate for the existing use of a loft conversation to cr
- Received
- 2 June 2026
- Decided
- 3 August 2026 · Refusal CLU/D;Informatives
- Decision level
- Delegated (officer decision)
- Council
- Slough Borough Council
- Ward
- Langley St. Marys
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.
- ReceivedReceived2 Jun
- ValidatedValidated2 Jun
- Consult.Consultation
- TargetTarget Date28 Jul
- DecidedDecided3 Aug
Decided in 62 days (council typically 56)
This is an application to amend a permission at 20, Alderbury Road, Slough, SL3 8DQ. Slough has handled 107 applications of this type and approves 79% of them, typically deciding them in 56 days. This one was decided in 62 days, 6 days longer than Slough's median. There have been 3 other applications at this address. In the past year there have been 78 applications across Langley St. Marys. We hold 2,605 applications in total for the SL3 postcode area.
Application Details
Applicant & Agent
Planning Application Dates
Planning Decision
Publicity
Appeal
Additional Information
Source: Slough
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Planning history at this site
3 other applications at this property, newest first.
- 202621 Oct
Construction of single storey rear extension.
PendingFull PlanningP/03387/005 - 20263 Aug
Lawful development certificate for an existing loft conversation with rear dorme
ApprovedCertificate Existing (Use/Development)P/03387/004 - 202626 Jan
Lawful development certificate for a proposed loft conversion with rear dormer and 2no front roof lights
RefusedCertificate Proposed (Use/Development)P/03387/002
Planning 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 2026-10-09. 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.
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