118, Windsor Road, Slough, SL1 2JA Data via plota.co.uk

P/06881/001 - Full Planning Approved
Extensions & alterations

Proposal

Construction of a single storey rear & part two storey rear extension and construction of a single storey detached outbuilding for the use of a gym & playroom. Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
13 Apr 2026
✓
Consultation
13 Apr 2026
✓
Approved
4 Jun 2026

Approved on 4 Jun 2026 · Delegated · Last checked 11 Jul 2026

Documents

View the documents on the council's website ↗

Site constraints 4

National infrastructure project 341 m away: M4 Junctions 3 to 12 Smart Motorway
The site is 341 m from the project boundary. Highway, decided. The project page says whether consent was granted.
Nationally significant infrastructure projects (power stations, electricity lines, pipelines, major roads and railways, harbours, airports and reservoirs) are consented by a Secretary of State under the Planning Act 2008, after an examination by the Planning Inspectorate, rather than by the council. The boundary is the one the Inspectorate consults on and can change as the scheme does. Projects are shown within 2 km of the site.
Planning Inspectorate project page ↗
Also on the record
Local nature reserve 365 m away: Herschel Park; Registered park or garden 237 m away: Herschel Park (Formerly Upton Park); Inside the Slough built-up area.
Not affected
Outside flood zones 2 and 3 · Not green belt · No listed building at the site

Checked on 6 October 2026. Historic England, the Environment Agency, Natural England, the Planning Inspectorate and council datasets, Open Government Licence. A boundary can run through a site and the council holds the definitive record: confirm with the council before relying on this.

Building

Floor area89 m² (958 sq ft)
Energy ratingD (63 out of 100), could reach B
PropertySemi-detached house, 5 habitable rooms
Built1930 to 1949
HeatingBoiler and radiators, mains gas
WallsCavity wall, as built, no insulation (assumed)

From the energy performance certificate lodged in September 2026, the latest held for this property. The building may have changed since. View the certificate

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Other new applications on this street

28 Sept 2026Pending

108, Windsor Road, Slough, SL1 2JA

Prior approval for change of use from Class E offices to Class C3 to create 2 fl...

F/01289/019
11 May 2026Pending

22-28, Windsor Road, Slough, SL1 2EJ

Construction of a proposed demolition of existing buildings, construction of a 5...

P/20863/001
29 Apr 2026Refused

Crown House, 7, Windsor Road, Slough, SL1 2DX

Prior approval application for the proposed change of use of first and second fl...

P/06466/013
21 Apr 2026Pending

Land located on the corner of Albert Street and Windsor Road (EV Charging Site), and the Urban Building

Demolition of existing structures and erection of a 14 storey building to accomm...

P/00699/023

Nearby new applications

6 Oct 2026Pending

50, The Crescent, Slough, SL1 2LQ

Lawful Development Certificate for proposed loft conversion with flat roof dorme...

P/21177/000
29 Sept 2026Pending

102, Park Street, Slough, SL1 1PU

Retrospective application for the retention of existing outbuilding and removal ...

P/07697/002
28 Sept 2026Pending

108, Windsor Road, Slough, SL1 2JA

Prior approval for change of use from Class E offices to Class C3 to create 2 fl...

F/01289/019
24 Sept 2026Pending

3-5, Mackenzie Street, Slough, SL1 1XQ

Prior approval for the proposed change of use from office (Class E) to Dwellingh

F/00042/010
24 Sept 2026Pending

Ascot House, 21, Upton Park, Slough, SL1 2DA

Honey Locust - 3 metre reduction and re-shape the sides

TPO/2026/15
3 Sept 2026Pending

53, Botham Drive, Slough, SL1 2LZ

Construction of a single storey side extension for disabled use.

P/21141/000

Important details

Council
Slough
Application type
Full Planning
Postcode
SL1 2JA
Received
13 Apr 2026
Validated
13 Apr 2026
Ward
Herschel Park
Case officer
Show
Target decision
8 Jun 2026
Decision
Approved with Conditions; Informatives
Decision date
4 Jun 2026
Decision level
Delegated
Applicant
Show
Agent
SA ASSOCIATES

How this decision compares

Decided in 52 days from validation, about the council's usual 53 days. Approved, as 81% of extensions here are.

66%decided within 8 weeks
81%approved
460decided in the last year

Plota live figures for extensions decided by Slough in the last twelve months, from validation. Slough decision record →

Consultation & key dates

Alt. reference
PP-14844654
Site or press notice
13 Apr 2026
Statutory expiry
25 Jun 2026

Historical activity at this location

20 nearby applications on record - archival context, not part of the live application.

Within ~100m

Nearby activity

2025 Approved
15, Upton Park, Slough, SL1 2DA
Construction of a single storey front extension, first floor side, part single storey, pa…
P/09806/004
2025 Approved
36, Upton Park, Slough, SL1 2DE
Garage conversion for accessible ground floor bedroom, fenestration changes, disabled ram…
P/12337/001
2024 Refused
15, Upton Park, Slough, SL1 2DA
Lawful Development Certificate for proposed single storey detached outbuilding to be used…
P/09806/003
2024 Approved
Eton Walk, 2, Upton Park, Slough, SL1 2DP
G2 - Conifer Hedge in car park - Trim top and garden side hard and neatly to previous poi…
TPO/2024/10
2022 Approved
10, Upton Park, Slough, SL1 2DD
T1 - London Plane (Platanus x hispanica) - 15% lifting and shaping of lower crown (in hei…
TPO/2022/22
2022 Approved
5, Upton Park, Slough, SL1 2DA
Construction of a single storey front entrance porch including a front canopy roof, garag…
P/20097/000
2022 Approved
4, Upton Park, Slough, SL1 2DP
T1. European Lime - High Pollard on land at rear of no.4 Upton Park - Reduce by 3-4 meter…
TPO/2022/18
2022
15, Upton Park , Slough, SL1 2DA
Construction of 10 no. new houses.
P/09806/002
2022 Approved
2 Eton Walk, 2, Upton Park, Slough, SL1 2DP
G1 - 3 x Lime Trees at front of property - to reduce crown to previous reduction points b…
TPO/2022/2
2021 Approved
Flat 3, 25, Upton Park, Slough, SL1 2DA
T1. Alder - To take 3m out of top and 1m of lateral branches as branches are to near prop…
TPC/2021/6
2021 Approved
10, Albert Street, Slough, SL1 2BU
Redevelopment of site to allow for 11 flats, associated visitors parking, amenity space a…
P/00827/032
2017 Approved
83-127, Windsor Road, Slough, Berkshire, SL1 2JL
Submission of details pursuant to condition 12 and 20 on planning permission ref P/16196…
P/16196/004
2018 Approved
83-127, Windsor Road, Slough, Berkshire, SL1 2JL
Variation of condition 2 (approved drawings) of planning permission P/16196/000 (for 114…
P/16196/005
2017 Approved
Lincoln Court, Arborfield Close, Slough, SL1 2JP
Variation of condition 3 (Parking) & 5 (Car Park Management) of planning permission P/092…
P/09203/008
2018 Refused
15, Upton Park, Slough, SL1 2DA
Demolition of the existing dwelling and the construction of a two and a half storey block…
P/09806/001
2017 Withdrawn
10, Albert Street, Slough, SL1 2BU
Outline application for the redevelopment of the site to incorporate 15 self contained un…
P/00827/030
2016 Approved
83-127, Windsor Road, Slough, Berkshire, SL1 2JL
Submission of details pursuant to conditions on planning permission ref P/16196 for 114 d…
P/16196/003
2016 Approved
83-127, Windsor Road, Slough, Berkshire, SL1 2JL
Submission of detail pursuant to conditions on planning permission ref 16196 for 114 dwel…
P/16196/002
2016 Approved
83-127, Windsor Road, Slough, Berkshire, SL1 2JL
Submission of details pursuant to conditions on planning permission ref P/16196 for 114 d…
P/16196/001
2017 Withdrawn
41, Upton Park, Slough, SL1 2DA
Demolition of the existing building and construction of 24no. flats with associated ameni…
P/06333/007
Slough
Planning Authority Score
2.4/10
Poor
#260 of 296 councils
Relevant to this application:
Householder decisions

Slough is slower than most councils at deciding householder applications, ranking #263 out of 296. Slough is also one of the strictest councils - it refuses more householder applications than almost any other, with only 82% approved vs 90% nationally.

One of the strictest councils
only 82% approved vs 90% nationally
These figures are council-wide context, not a prediction for this application. View full council performance
Slough decision statistics
Based on MHCLG data, the year to March 2026
78%
Overall approval rate
Below avg (87%) #275 of 296
82%
Householder approved
Below avg (90%) #269 of 296
42%
Decided in 8 weeks
Below avg (63%) #263 of 296
39%
Extended time limit
Below avg (41%) #142 of 296
60%
Minor dwellings approved
48 decided (1-9 homes)
50%
Major dwellings approved
4 decided (10+ homes)
40%
Change of use approved
47 decided
617
Total decisions
137 refused in the year to March 2026
Source: MHCLG planning statistics · See full council rankings

Freehold boundary: © Crown copyright and database rights 2026, HM Land Registry. Polygons © Crown copyright and database rights 2026 Ordnance Survey 100026316. Conditions of use

Energy performance: Energy performance certificates from the Energy Performance of Buildings Register, Ministry of Housing, Communities and Local Government. Contains public sector information licensed under the Open Government Licence v3.0. © Crown copyright 2026.