3 Thurlby Way Maidenhead SL6 3YZ Data via plota.co.uk

26/01496/FULL - Full Approved
Extensions & alterations

Proposal

Single storey front/side extension with external flue (retrospective) Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
14 Jul 2026
✓
Approved
4 Sept 2026

Approved on 4 Sept 2026 · Delegated · Last checked 4 Sept 2026

Documents 8

Decision & officer reports 1

PDF Permit full Councils Decision · 4 Sept 2026 View ↗

Statements & assessments 2

PDF Planning officers report Planning Officers Assessment · 4 Sept 2026 View ↗ PDF Planning, design & access statement Planning Statement · 18 Jun 2026 View ↗

Application forms 2

PDF Cil form 1 CIL Documents · 14 Jul 2026 View ↗ PDF Application form redacted Application Forms · 18 Jun 2026 View ↗

Consultation & comments 2

PDF Cox green parish council comment Parish Council Comments · 27 Aug 2026 View ↗ PDF Neighbour notification list Neighbour Notification List · 14 Jul 2026 View ↗

Other documents 1

PDF History log Property History · 14 Jul 2026 View ↗

All documents on the council site ↗

Site constraints 5

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 ↗
Habitat network: Network Enhancement Zone 2
Where habitat is joined up enough to work as a network. Context, not a constraint on its own.
Local nature reserve 287 m away: Ockwells Park
Work nearby can need a habitats assessment.
Harm to a protected site is only accepted where there is no alternative and an overriding public interest.
Also on the record
Inside the Maidenhead built-up area; Green belt 25 m away: London.
Not affected
No listed building at the site · No scheduled monument at the site

Checked on 11 September 2026. Historic England, the Environment Agency, Natural England 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.

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Important details

Council
Windsor and Maidenhead
Application type
Full
Postcode
SL6 3YZ
Received
14 Jul 2026
Validated
14 Jul 2026
Ward
Cox Green
Parish
Cox Green Parish
Case officer
Show
Target decision
7 Sept 2026
Decision
Application Permitted
Decision date
4 Sept 2026
Decision level
Delegated
Applicant
Show
Agent
ET Planning

How this decision compares

Decided in 52 days from validation, about the council's usual 54 days. Approved, as 75% of extensions here are.

78%decided within 8 weeks
75%approved
640decided in the last year

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

Consultation & key dates

Alt. reference
PP-15007304
Comments by
10 Aug 2026
Env. assessment
No

Historical activity at this location

18 previous applications on record - archival context, not part of the live application.

This property

Previous applications at this address

2021 Approved
Erection of a side boundary wall (Retrospective).
21/03736/FULL
2020 Approved
New front porch, part single/part two storey side/rear extension and alterations to fenes…
20/00306/FULL
2019 Approved
New front porch, part two storey, part single storey side/rear extension and alterations…
19/00904/FULL
2018 Withdrawn
Erection of front porch, first floor front and two storey side extension
18/02507/FULL
2017 Approved
Single storey side extension
17/02085/FULL
Within ~100m

Nearby activity

2025 Refused
63 Cadwell Drive Maidenhead SL6 3YS
Single storey side/rear extension, first floor side/rear extension, new pitched roofs to…
25/02145/FULL
2025 Refused
63 Cadwell Drive Maidenhead SL6 3YS
Single storey rear extension, first floor side/rear extension, alterations to existing fl…
25/00459/FULL
2023 Approved
24 Thurlby Way Maidenhead SL6 3YZ
Single storey side/rear extension and 7 no. rooflights following demolition of existing e…
23/01798/FULL
2023 Approved
4 Revesby Close Maidenhead SL6 3YX
Single storey front extension.
23/01574/FULL
2022 Approved
32 Thurlby Way Maidenhead SL6 3YZ
Two storey side/rear extension, first floor side extension and alterations to single stor…
22/03329/FULL
2021 Approved
19 Thurlby Way Maidenhead SL6 3YZ
Part single, part two storey, part first floor side extension.
21/00191/FULL
2020 Approved
16 Thurlby Way Maidenhead SL6 3YZ
Part single part two storey side/rear extension. Amendment to boundary treatment.
20/02126/FULL
2020 Approved
19 Thurlby Way Maidenhead SL6 3YZ
Part single/part two storey side extension
20/00125/FULL
2018 Approved
49 Cadwell Drive Maidenhead SL6 3YS
Single story rear extension
18/03593/FULL
2017 Approved
4 Revesby Close Maidenhead SL6 3YX
Non material amendment to planning permission 17/01221 for removal of ground and first fl…
17/01848/NMA
2017 Approved
4 Revesby Close Maidenhead SL6 3YX
Two storey side and first floor rear extension
17/01221/FULL
2016 Approved
39 Cadwell Drive Maidenhead SL6 3YS
Single storey side extension, extension to existing first floor accommodation with front…
16/02617/FULL
2016 Withdrawn
9 Coningsby Close Maidenhead SL6 3YU
First floor rear extension and new window openings
16/01557/FULL
Windsor and Maidenhead
Planning Authority Score
5.3/10
Average
#135 of 296 councils
Relevant to this application:
Householder decisions

Windsor and Maidenhead is faster than most councils at deciding householder applications, ranking #82 out of 296. Only 28% of applications have the time limit extended, well below the 41% national average - the council usually decides on time. Windsor and Maidenhead is also one of the strictest councils - it refuses more householder applications than almost any other, with only 74% approved vs 90% nationally.

One of the strictest councils
only 74% approved vs 90% nationally
These figures are council-wide context, not a prediction for this application. View full council performance
Windsor and Maidenhead decision statistics
Based on MHCLG data, the year to March 2026
72%
Overall approval rate
Below avg (87%) #293 of 296
74%
Householder approved
Below avg (90%) #294 of 296
75%
Decided in 8 weeks
Above avg (63%) #82 of 296
28%
Extended time limit
Below avg (41%) #47 of 296
44%
Minor dwellings approved
156 decided (1-9 homes)
96%
Major dwellings approved
27 decided (10+ homes)
64%
Change of use approved
25 decided
1,530
Total decisions
434 refused in the year to March 2026
Source: MHCLG planning statistics · See full council rankings