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90, Harrow Road, Slough, SL3 8SG

Y/21035/000Permitted Development with ConsultationApproved
Outline / PiP

Approved on 6 May 2026

Council decision: Prior Approval Not Required/InformativesDelegated (officer decision)

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.

Proposal

The erection of a single storey rear extension, which would extend beyond the rear wall of the original house by 5m, with a maximum height of 3m, and an eaves height of 3m

Received
30 March 2026
Decision level
Delegated (officer decision)
Ward
Langley Marish
  1. Received30 Mar
  2. Validated30 Mar
  3. Consult.
  4. Target11 May
  5. Decided6 May

Decided in 37 days (council typically 56)

About this application

This is an outline application for a single storey rear extension at 90, Harrow Road, Slough, SL3 8SG. Slough has handled 1,136 applications of this type. This one was decided in 37 days, 3 weeks quicker than Slough's typical decision time. There has been 1 other application at this address. In the past year there have been 50 applications across Langley Marish. We hold 2,642 applications in total for the SL3 postcode area.

79% of outline 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
SL3 8SG
Application type
Permitted Development with Consultation
Scale / size
Small
District
East Area

Planning application dates

Date validated
30 March 2026
Target decision date
11 May 2026
Application expires
28 April 2026

Planning decision

Statutory period
42 days

Publicity

First advertised
30 March 2026
Site notice start
30 March 2026

Additional information

UPRN
AP5RG78A59R465W0A0

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

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.

Associated applications

  1. 2026
    30 Mar

    Lawful Development Certificate for a proposed single storey front extension to form porch, loft conversion to…

    ApprovedCertificate Proposed (Use/Development)Filed alongsideP/21035/001
  2. 2026
    30 Mar

    The erection of a single storey rear extension, which would extend beyond the rear wall of the original house…

    This applicationApprovedOutlineY/21035/000

Source: Slough

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