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16, Grasmere Avenue, Slough, SL2 5JG

P/20625/002Full PlanningApproved
Full

Approved on 17 February 2026

Council decision: Approved with Conditions; 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

Construction of two storey rear extension, single storey front extension, garage conversion & hip to gable loft conversion with rear dormer

Received
2 December 2025
Decision level
Delegated (officer decision)
Ward
Upton Lea
  1. Received2 Dec
  2. Validated3 Dec
  3. Consult.
  4. Target28 Jan
  5. Decided17 Feb

Decided in 76 days (council typically 56)

About this application

This is a full planning application for a two storey rear extension at 16, Grasmere Avenue, Slough, SL2 5JG. Slough has handled 2,648 applications of this type. This one was decided in 77 days, 3 weeks longer than Slough's typical decision time. There are no previous applications recorded at this address. In the past year there have been 31 applications across Upton Lea. We hold 2,501 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 5JG
Application type
Full Planning
Scale / size
Medium
District
East

Planning application dates

Date validated
3 December 2025
Target decision date
28 January 2026
Application expires
10 March 2026

Planning decision

Statutory period
97 days

Publicity

First advertised
3 December 2025
Site notice start
3 December 2025

Additional information

UPRN
APKNFV8L18H47YW08E
Documents
3

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.

Source: Slough

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