158 Blackamoor Lane Maidenhead SL6 8RN Data via plota.co.uk

26/02001/CLAMA - Prior Approval Class MA Approved
Change of useNew homesCommercial premises

Proposal

Prior approval for the change of use of the ground floor from Use Class Eg(iii) to form 8 no. x 1 bedroom flats. Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
13 Aug 2026
✓
Approved
7 Oct 2026

Approved on 7 Oct 2026 · Delegated · Last checked 8 Oct 2026

Documents 30

Decision & officer reports 1

PDF Prior approval required & granted class Councils Decision · 7 Oct 2026 View ↗

Statements & assessments 5

PDF Planning officers report Planning Officers Assessment · 7 Oct 2026 View ↗ PDF Planning statement Planning Statement · 13 Aug 2026 View ↗ PDF Internal daylight & sunlight assessment Supporting Information - General · 13 Aug 2026 View ↗ PDF Flood risk assessment Supporting Information - Flood Risk · 13 Aug 2026 View ↗ PDF Flood warning and evacuation plan Supporting Information - Flood Risk · 13 Aug 2026 View ↗

Application forms 2

PDF Application form redacted Application Forms · 13 Aug 2026 View ↗ PDF Cil form 1 CIL Documents · 13 Aug 2026 View ↗

Consultation & comments 20

PDF 1 public comment Community Comments General · 7 Oct 2026 View ↗ PDF 1 public comment Community Comments Object · 17 Sept 2026 View ↗ PDF Objects(full) Community Comments Object · 16 Sept 2026 View ↗ PDF 1 public comment Community Comments Object · 16 Sept 2026 View ↗ PDF Objects(full) Community Comments Object · 16 Sept 2026 View ↗ PDF Objects(full) Community Comments Object · 14 Sept 2026 View ↗ PDF 1 public comment Community Comments Object · 14 Sept 2026 View ↗ PDF Objects(full) Community Comments Object · 12 Sept 2026 View ↗ PDF Objects(full) Community Comments Object · 11 Sept 2026 View ↗ PDF 1 public comment Community Comments Object · 11 Sept 2026 View ↗ PDF Objects(full) Community Comments Object · 8 Sept 2026 View ↗ PDF Objects(full) Community Comments Object · 8 Sept 2026 View ↗ PDF Maidenhead civic society's comments Consultee - Comments · 3 Sept 2026 View ↗ PDF 1 public comment Community Comments Object · 3 Sept 2026 View ↗ PDF Environmental agency Consultee - Comments · 2 Sept 2026 View ↗ PDF Objects(full) Community Comments Object · 29 Aug 2026 View ↗ PDF Objects(full) Community Comments Object · 28 Aug 2026 View ↗ PDF Objection letter Community Comments Object · 27 Aug 2026 View ↗ PDF 1 public comment Community Comments Object · 25 Aug 2026 View ↗ PDF Neighbour notification list Neighbour Notification List · 20 Aug 2026 View ↗

Other documents 2

PDF History log Property History · 19 Aug 2026 View ↗ PDF Cover letter Correspondence - General · 13 Aug 2026 View ↗

All documents on the council site ↗

Site constraints 6

Flood zone 3, rivers and sea
High chance: a 1 in 100 or greater annual chance from rivers, or 1 in 200 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
Radon affected area, class 2; Inside the Maidenhead built-up area; Green belt 37 m away: London; Priority habitat 40 m away: Coastal and floodplain grazing marsh; Natural England's Provisional ALC map (1:250,000, 1970s) had this area as grade 4, but it predates the buildings here and the current map does not class it as farmland.
Not affected
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 British Geological Survey and UK Health Security Agency (radon, contains BGS materials © UKRI) 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 area352 m² (3,789 sq ft)
Energy ratingD (asset rating 95)
UseB2 to B7 General Industrial and Special Industrial Groups
HeatingHeating and Natural Ventilation

From the energy performance certificate lodged in August 2021, 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

24 Aug 2026Pending

55 Blackamoor Lane Maidenhead SL6 8RF

Certificate of lawfulness to determine whether the proposed single storey rear e...

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8 Jul 2026Approved

35 Blackamoor Lane Maidenhead SL6 8RA

Certificate of lawfulness to determine whether the proposed 3no. front rooflight...

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31 Mar 2026Approved

108 Blackamoor Lane Maidenhead SL6 8RH

(T5) - Maple - Crown lift secondary and tertiary branches to a maximum of 2.5m o...

26/00837/TPO
9 Mar 2026Refused

30A Blackamoor Lane Maidenhead SL6 8RD

Single storey side/front extension, single story side/rear extension, new front ...

26/00622/FULL

Nearby new applications

26 May 2026Pending

12 North Town Moor Maidenhead SL6 7JR

Part single part two storey side/rear extension, alterations to fenestration, re...

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29 Sept 2026Pending

3 Sunnymede Cottages Ray Mill Road East Maidenhead SL6 8SZ

Certificate of lawfulness to determine whether the proposed single storey rear/s...

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10 Sept 2026Pending

12 Savoy Court Maidenhead SL6 7JS

Part single part two storey rear/side extension, 1no. rear dormer and alteration...

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27 Aug 2026Pending

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Important details

Council
Windsor and Maidenhead
Application type
Prior Approval Class MA
Postcode
SL6 8RN
Received
13 Aug 2026
Validated
13 Aug 2026
Ward
Riverside
Parish
Maidenhead Unparished
Case officer
Show
Target decision
7 Oct 2026
Decision
Prior Approval Required and Granted
Decision date
7 Oct 2026
Decision level
Delegated
Applicant
Show
Agent
Show

How this decision compares

Decided in 55 days from validation, about the council's usual 55 days. Approved, as 64% of changes of use here are.

62%decided within 8 weeks
64%approved
78decided in the last year

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

Consultation & key dates

Alt. reference
PP-15150525
Planning Portal ref
PP-15150525
Comments by
16 Sept 2026
Statutory expiry
7 Oct 2026
Env. assessment
No

Historical activity at this location

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

This property

Previous applications at this address

2025 Withdrawn
1no. bin store, 1no. bike store and alterations to fenestration including rooflights.
25/03251/FULL
2025 Refused
New steps, 1no. refuse store, 1no. cycle store and alterations to fenestration.
25/02507/FULL
2025 Refused
Prior approval for the change of use from Class E (commercial, business and service) to C…
25/00007/CLAMA
2024 Approved
Alterations to fenestration including new rooflights
24/02677/FULL
2022 Approved
Rendering of existing brickwork to front elevation and replacement of windows and doors (…
22/00177/FULL
Within ~100m

Nearby activity

2025 Approved
109 Blackamoor Lane Maidenhead SL6 8RW
Part single part two storey rear extension, alterations to fenestration and a single stor…
25/00752/FULL
2024 Refused
109 Blackamoor Lane Maidenhead SL6 8RW
Part two storey part first floor front/side extension with canopy, part single part two s…
24/02789/FULL
2022 Approved
107 Blackamoor Lane Maidenhead SL6 8RW
Part garage conversion, single storey side extension and first floor side/rear extension.
22/00528/FULL
2021 Approved
Meadowview 85 Ray Mill Road West Maidenhead SL6 8SN
Single storey side/rear extension and alterations to elevations from brick to render
21/00924/FULL
2021 Approved
1 Ray Mill Road East Maidenhead SL6 8SW
First floor side/rear extension, 3no.side dormers, 2 x side roof lights and alterations t…
21/00833/FULL
2021 Approved
Meadowview 85 Ray Mill Road West Maidenhead SL6 8SN
Single storey rear extension no greater than 6m depth, 3m high and an eaves height of 3m
21/00933/PDXL
2020 Approved
Meadowview 85 Ray Mill Road West Maidenhead SL6 8SN
Single storey front extension with steps
20/03129/FULL
2018 Approved
16 Ray Mill Road East Maidenhead SL6 8ST
Change of use from Social Care Training Centre (D1) to Dwellinghouse (C3)
18/02837/FULL
2018 Approved
5 Ray Mill Road East Maidenhead SL6 8SW
Proposed first floor side extension
18/02340/FULL
2018 Refused
107 Blackamoor Lane Maidenhead SL6 8RW
Proposed extension and conversion of the existing dwelling to provide 5 No. flats with as…
18/02246/FULL
2017 Refused
107 Blackamoor Lane Maidenhead SL6 8RW
Proposed extension and conversion of the existing dwelling to provide 5 No. flats with as…
17/01993/FULL
2017 Approved
Glengower 83 Ray Mill Road West Maidenhead SL6 8SN
Construction of front porch.
17/01765/FULL
2017 Approved
107 Blackamoor Lane Maidenhead SL6 8RW
Two storey front extension and first floor rear extension.
17/00261/FULL
2016 Approved
107 Blackamoor Lane Maidenhead SL6 8RW
Certificate of lawfulness to determine whether a single storey side, single storey rear e…
16/02388/CPD
2016 Approved
156 Blackamoor Lane Maidenhead SL6 8RN
Two storey side, part single part two storey rear extension and front porch
16/01870/FULL
2016 Refused
156 Blackamoor Lane Maidenhead SL6 8RN
Two storey side, part single part two storey rear extension and front porch
16/00483/FULL
Windsor and Maidenhead
Planning Authority Score
5.3/10
Average
#135 of 296 councils
Relevant to this application:
Change of use

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

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.