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Mosaic House, 26-40 High Street, Slough, SL1 1ER

P/03436/028Full PlanningAwaiting decision
Full
Approximate location: the centre of the postcode, not the exact property.

Proposal

Construction of a replacement of cladding, render and brick slips, installation of cavity barriers and replacement cast stone panels, replacement of balconies with aluminium decking, replacement of soffits and replacement of render to the under croft access, and other associated works.

Received
3 February 2026
Decision due
31 March 2026
Decision level
Delegated (officer decision)
Ward
Herschel Park
  1. Received3 Feb
  2. Validated3 Feb
  3. Consult.
  4. Target31 Mar
  5. Decided

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About this application

This is a full planning application at Mosaic House, 26-40 High Street, Slough, SL1 1ER. Slough has handled 2,648 applications of this type. It has been with the council since 3 February 2026 and is still awaiting a decision. There are no previous applications recorded at this address. In the past year there have been 38 applications across Herschel Park. We hold 1,885 applications in total for the SL1 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
SL1 1ER
Application type
Full Planning
Scale / size
Small
District
East Area

Planning application dates

Date validated
3 February 2026
Application expires
9 March 2026

Planning decision

Statutory period
56 days

Publicity

First advertised
5 February 2026
Site notice start
5 February 2026

Additional information

Planning Portal ID
PP-14587142
UPRN
MAN000000000131179

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations at the address point. Ones next to the site may also apply.

  • 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.

Source: Slough

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