158, Trelawney Avenue, Slough, SL3 8RU Data via plota.co.uk

P/12422/002 - Full Planning Registered application
Extensions & alterations

Proposal

Construction of a proposed loft conversion to create habitable accommodation with rear dormer extension and 3no. rooflights to the front elevation. Data via plota.co.uk

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Application progress

✓
Received
10 Jun 2026
✓
Consultation
10 Jun 2026
Decision
Awaiting decision

This application is under consideration - no decision has been issued yet.

Documents

View the documents on the council's website ↗

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Other new applications on this street

Co-operative Retail Services Ltd, 238-240, Trelawney Avenue, Slough, SL3 7UD

Construction of a single storey rear extension with flat roof, new di-bond panel...

P/02795/011 - 17 Aug 2026

234, Trelawney Avenue, Slough, SL3 7UD

Construction of a single storey rear extension

P/06785/005 - 22 Jun 2026

Land to the rear of Trelawney Avenue, Slough, Berkshire, SL3 7UD

Demolition of an existing storage building to create two adjoined two storey uni...

P/21088/000 - 8 Jun 2026

252, Trelawney Avenue, Slough, SL3 7UD

Construction of a single storey rear extension and bin store

P/06724/005 - 14 Apr 2026

Nearby new applications

25, Newton Close, Slough, SL3 8DD

Lawful Development Certificate for a proposed loft conversion to create habitabl...

P/04903/002 - 21 Aug 2026

111, Harrow Road, Slough, SL3 8SJ

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

Y/21135/000 - 19 Aug 2026

Co-operative Retail Services Ltd, 238-240, Trelawney Avenue, Slough, SL3 7UD

Construction of a single storey rear extension with flat roof, new di-bond panel...

P/02795/011 - 17 Aug 2026

12, Talbot Avenue, Slough, SL3 8DB

Construction of a proposed single storey side and rear infill extension to exist...

P/04242/002 - 7 Aug 2026

234, Langley Road, Slough, SL3 7EF

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

Y/12435/002 - 5 Aug 2026

1, Bouverie Way, Slough, SL3 7JZ

Conversion of loft into habitable space with rear dormer

P/00445/007 - 29 Jul 2026

Important details

Council
Slough
Application type
Full Planning
Postcode
SL3 8RU
Received
10 Jun 2026
Validated
10 Jun 2026
Ward
Langley Marish
Case officer
Show
Target decision
5 Aug 2026
Decision level
Delegated
Applicant
Show
Agent
GET RAPID PLANS

Consultation & key dates

Alt. reference
PP-14994989
Site notice
10 Jun 2026
Press notice
10 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
43, Ryvers Road, Slough, SL3 8RZ
The erection of a single storey rear extension, which would extend beyond the rear wall o…
Y/20922/001
2025 Refused
43, Ryvers Road, Slough, SL3 8RZ
The erection of a single storey rear extension, which would extend beyond the rear wall o…
Y/20922/000
2025 Approved
11 & 13, Ryvers Road, Langley, SL3 8RZ
Construction of a first floor rear extensions
P/20755/000
2025
112, Trelawney Avenue, Slough, Slough, SL3 8RP
Retrospective application for front porch and single storey side extension and external m…
P/19993/004
2024 Refused
112, Trelawney Avenue, Slough, Slough, SL3 8RP
Retrospective application for single storey side and rear extension, loft dormer and outb…
P/19993/003
2024 Withdrawn
112, Trelawney Avenue, Slough, Slough, SL3 8RP
External insulation and K- Render to existing brick work to front elevation
P/19993/002
2024 Approved
11, Ryvers Road, Slough, SL3 8RZ
Lawful development certificate for a proposed loft conversion with rear dormer and 3no fr…
P/20545/001
2023 Approved
114, Churchill Road, Slough, SL3 7RB
The erection of a single storey rear extension, which would extend beyond the rear wall o…
Y/20182/000
2023 Approved
116, Trelawney Avenue, Slough, SL3 8RP
Construction of a new porch following the demolition of existing porch
P/20123/000
2022 Approved
112, Trelawney Avenue, Slough, SL3 8RP
Construction of a single storey side and part rear extension
P/19993/001
2022 Approved
112, Trelawney Avenue, Slough, SL3 8RP
The erection of a single storey rear extension, which would extend beyond the rear wall o…
Y/19993/000
2022 Approved
129, Churchill Road, Slough, SL3 7RD
Construction of a single storey side and rear extension.
P/19678/001
2022 Approved
152, Trelawney Avenue, Slough, SL3 8RU
Construction of a single storey side and rear extension
P/03562/003
2022 Approved
152, Churchill Road, Slough, SL3 7RB
The erection of a single storey rear extension, which would extend beyond the rear wall o…
Y/19736/000
2021 Approved
152, Trelawney Avenue, Slough, SL3 8RU
The erection of a single storey rear extension, which would extend beyond the rear wall o…
Y/03562/001
2021 Approved
129, Churchill Road, Slough, SL3 7RD
The erection of a single storey rear extension, which would extend beyond the rear wall o…
Y/19678/000
2021 Approved
78, Churchill Road, Slough, SL3 7RB
The erection of a single storey rear extension, which would extend beyond the rear wall o…
Y/19260/000
2020 Approved
138, Churchill Road, Slough, SL3 7RB
Construction of a front porch and a single storey rear extension
P/15580/001
2020 Approved
112, Churchill Road, Slough, SL3 7RB
Construction of a rear outbuilding.
P/15824/001
2019 Approved
142, Trelawney Avenue, Slough, SL3 8RU
Lawful development certificate for a proposed rear outbuilding.
P/03524/002
2017 Refused
123 & 125, Trelawney Avenue, Slough, SL3 8RG
Demolition of existing rear conservatory and construction of a two storey rear extension…
P/16159/001
2017 Approved
51, Ryvers Road, Slough, SL3 8RZ
Construction of a first floor rear extension.
P/15347/002
2016 Approved
51, Ryvers Road, Slough, SL3 8RZ
Lawful development certificate for a proposed single storey rear extension and loft conve…
P/15347/001
2016 Approved
63, Spencer Road, Slough, SL3 8RR
Lawful development certificate for a proposed loft conversion, rear dormer and front porc…
P/16495/001
2016 Approved
63, Spencer Road, Slough, SL3 8RR
The erection of a single storey rear extension, which would extend beyond the rear wall o…
Y/16495/000
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 performance
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