Round Copse Alleyns Lane Cookham Maidenhead SL6 9AE Data via plota.co.uk

26/01326/NMA - Non-material Amendment Refused

Proposal

Non material amendments to planning permission 24/00494/FULL for changes to ground floor roof overhangs to be supported by beams and posts or with additional posts, alterations to fenestration on ground and first floor and additional windows to gable ends in roof-space, and insertion of rooflight in flat-top roof. Alterations to chimneys and 3no additional flues. Data via plota.co.uk

View original council record ↗

Application progress

Received
28 May 2026
Refused
23 Jun 2026
Appeal
Not lodged

Refused on 23 Jun 2026 · Delegated · Last checked 5 Jul 2026

Important details

Application type
Non-material Amendment
Postcode
SL6 9AE
Received
28 May 2026
Validated
28 May 2026
Ward
Bisham And Cookham
Parish
Cookham Parish
Case officer
Show
Target decision
24 Jun 2026
Decision
Refuse
Decision date
23 Jun 2026
Decision level
Delegated
Applicant
Show

Consultation & key dates

Alt. reference
PP-14965640
Env. assessment
No
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 performance
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