4, Broadmark Road, Slough, SL2 5PT Data via plota.co.uk

Y/21080/000 - Permitted Development with Consultation Approved
Extensions & alterations

Proposal

The erection of a single storey rear extension, which would extend beyond the rear wall of the original house by 6m, with a maximum height of 3m, and an eaves height of 2.4m Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
2 Jun 2026
✓
Consultation
2 Jun 2026
✓
Approved
10 Jul 2026

Approved on 10 Jul 2026 · Delegated · Last checked 12 Jul 2026

Documents

View the documents on the council's website ↗

Site constraints 3

Flood zone 2, rivers and sea
Medium chance: between a 1 in 100 and 1 in 1,000 annual chance from rivers, or 1 in 200 to 1 in 1,000 from the sea. Any development here needs a flood risk assessment. Defences are not counted.
The Environment Agency flood map for planning. Homes in zone 3 must also pass the sequential test. Surface water flooding is a separate map.
Flood map ↗
Also on the record
National infrastructure project 1596 m away: M4 Junctions 3 to 12 Smart Motorway; Inside the Slough built-up area.
Not affected
Not green belt · No listed building at the site · No scheduled monument 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 area73 m² (786 sq ft)
Energy ratingC (72 out of 100), could reach B
PropertySemi-detached house, 5 habitable rooms
Built1930 to 1949
HeatingBoiler and radiators, mains gas
WallsCavity wall, filled cavity

From the energy performance certificate lodged in July 2022, 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

19 Oct 2026Pending

31, Broadmark Road, Slough, SL2 5QD

Construction of a first floor side and rear extension and garage conversion

P/07103/001
24 Jul 2026Refused

101, Broadmark Road, Slough, SL2 5PN

Construction of a proposed hip to gable loft conversion to create habitable acco

P/20712/001
2 Jun 2026Approved

91, Broadmark Road, Slough, SL2 5PN

Construction of a proposed part single storey, part two storey side extension to...

P/16484/004
1 Jun 2026Approved

57, Broadmark Road, Slough, SL2 5QE

The erection of a single storey rear extension, which would extend beyond the re...

Y/13931/002

Nearby new applications

19 Oct 2026Pending

31, Broadmark Road, Slough, SL2 5QD

Construction of a first floor side and rear extension and garage conversion

P/07103/001
8 Oct 2026Pending

96, Grasmere Avenue, Slough, SL2 5JF

Construction of a single storey front & rear and two storey side extension

P/21181/000
6 Oct 2026Pending

70, The Frithe, Slough, SL2 5SU

Retrospective application for a single storey rear sun room conservatory.

P/14073/004
5 Oct 2026Pending

112, St Pauls Avenue, Slough, SL2 5ER

Lawful development certificate for proposed single storey detached outbuilding.

P/10745/005
29 Sept 2026Pending

Land at Borderside, Slough, SL2 5QU

Construction of a proposed erection of 5no. x 3-bedroom dwellings with associate...

P/21167/000
28 Sept 2026Pending

399, Goodman Park, Slough, SL2 5NW

Lawful development certificate for a proposed loft conversion with rear dormer a...

P/09950/001

Important details

Council
Slough
Application type
Permitted Development with Consultation
Postcode
SL2 5PT
Received
2 Jun 2026
Validated
2 Jun 2026
Ward
Upton Lea
Case officer
Show
Target decision
14 Jul 2026
Decision
Prior Approval Not Required/Informatives
Decision date
10 Jul 2026
Decision level
Delegated
Applicant
Show
Agent
Show

How this decision compares

Decided in 38 days from validation, 15 days faster than Slough's median of 53 for extensions. Approved, as 81% of extensions here are.

66%decided within 8 weeks
81%approved
462decided 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

Site or press notice
2 Jun 2026
Statutory expiry
30 Jun 2026

Historical activity at this location

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

Within ~100m

Nearby activity

2025 Approved
23, Hazlemere Road, Slough, SL2 5PP
Construction of a single storey side and rear extension
P/20677/001
2024 Approved
33, Hazlemere Road, Slough, SL2 5PP
Construction of a two storey side, single storey rear, and part first floor rear extensio…
P/20264/002
2024 Approved
23, Hazlemere Road, Slough, SL2 5PP
The erection of a single storey rear extension, which would extend beyond the rear wall o…
Y/20677/000
2024 Approved
20, Elmwood Road, Slough, SL2 5QG
Lawful development certificate for proposed hip to gable loft conversion with rear dormer.
P/20657/001
2024 Approved
20, Elmwood Road, Slough, SL2 5QG
The erection of a single storey rear extension, which would extend beyond the rear wall o…
Y/20657/000
2024 Withdrawn
33, Hazlemere Road, Slough, SL2 5PP
Construction of a two storey side, single storey rear, part first floor rear and a single…
P/20264/001
2024 Refused
14, Elmwood Road, Slough, SL2 5QG
Construction of a single storey rear outbuilding for use of gym/store
P/20185/001
2024 Approved
22, Elmwood Road, Slough, SL2 5QG
Construction of a single storey side and rear extension, rear outbuilding for use of stor…
P/20439/000
2022 Approved
9, Hazlemere Road, Slough, SL2 5PP
Construction of a part two, part single storey rear extension to existing dwelling and co…
P/13680/003
2023 Approved
33, Hazlemere Road, Slough, SL2 5PP
The erection of a single storey rear extension, which would extend beyond the rear wall o…
Y/20264/000
2023 Approved
14, Elmwood Road, Slough, SL2 5QG
The erection of a single storey rear extension, which would extend beyond the rear wall o…
Y/20185/000
2022 Approved
1, Hazlemere Road, Slough, SL2 5PP
Construction of a first floor side extension
P/08403/005
2022 Withdrawn
3, Hazlemere Road, Slough, SL2 5PP
Construction of a first floor rear extension
P/05213/004
2022 Withdrawn
9, Hazlemere Road, Slough, SL2 5PP
Construction of a part two, part single storey rear extension to existing dwelling and al…
P/13680/002
2022 Approved
46, Broadmark Road, Slough, SL2 5PS
The erection of a single storey rear extension, which would extend beyond the rear wall o…
Y/14973/001
2022 Approved
41, Broadmark Road, Slough, SL2 5QD
Construction of a single storey side and rear extension
P/04726/003
2022 Approved
30, Hazlemere Road, Slough, SL2 5PW
The erection of a single storey rear extension, which would extend beyond the rear wall o…
Y/19967/000
2022 Approved
41, Broadmark Road, Slough, SL2 5QD
The erection of a single storey rear extension, which would extend beyond the rear wall o…
Y/04726/002
2021 Approved
62, Hazlemere Road, Slough, SL2 5PW
Construction of a detached outbuilding as use as a gym / office
P/12950/001
2021 Refused
1, Hazlemere Road, Slough, SL2 5PP
Construction of a two storey side extension, first floor rear extension and alterations t…
P/08403/004
2018 Withdrawn
70, Hazlemere Road, Slough, SL2 5PW
"INVALID" Construction of a double storey side and first floor rear extension
P/17468/001
2017 Approved
14, Broadmark Road, Slough, SL2 5PS
Conversion of garage into habitable room
P/05038/005
2016 Approved
4, Hazlemere Road, Slough, SL2 5PW
Construction of a two storey side and part rear extension.
P/12908/004
2016 Approved
4, Hazlemere Road, Slough, SL2 5PW
The erection of a single storey rear extension, which would extend beyond the rear wall o…
Y/12908/003
2016 Approved
53, Broadmark Road, Slough, SL2 5QD
Construction of an infill single storey rear extension.
P/09419/006
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

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.