Mulberry House Waltham Road Maidenhead SL6 3NH Data via plota.co.uk

26/01954/CPD - Cert of Lawfulness of Proposed Dev Awaiting decision

Proposal

Certificate of lawfulness to determine whether the single storey rear extension is lawful. Data via plota.co.uk

View original council record ↗Last checked

Application progress

Received
7 Aug 2026
Decision
Expected by 1 Oct 2026

This application is under consideration - no decision has been issued yet. Plota predicts a decision around 30 Sept 2026, from Windsor and Maidenhead's recent extensions.

Site constraints 2

Also on the record
Green belt 15 m away: London; Inside the Maidenhead built-up area.
Not affected
Outside flood zones 2 and 3 · 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

Application type
Cert of Lawfulness of Proposed Dev
Postcode
SL6 3NH
Received
7 Aug 2026
Validated
7 Aug 2026
Ward
Hurley And Walthams
Parish
White Waltham Parish
Case officer
Show
Target decision
1 Oct 2026
Applicant
Show

Decision outlook

Day 38 of the 56-day target. Windsor and Maidenhead usually decides extensions by day 54.

Day 3818 days to the 56-day target
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-15143490
Statutory expiry
1 Oct 2026
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 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