39 Cassiobury Drive Watford WD17 3AA Data via plota.co.uk

26/00757/NONMAT - Non-material amendment of PP Pending consideration

Proposal

Non - material amendment pursuant to planning permission 26/00153/FULH for change from side window on lower ground floor to side door facing brick wall of neighbours garage Data via plota.co.uk

View original council record ↗Last checked

Application progress

✓
Received
28 Sept 2026
Decision
Expected by 23 Nov 2026

This application is under consideration - no decision has been issued yet. Plota predicts a decision between 7 Nov 2026 and 16 Nov 2026, from Watford's recent extensions.

Associated applications 2

Site constraints 4

Registered park or garden 33 m away: Cassiobury Park
Its setting is a consideration for work nearby.
Registered parks and gardens, battlefields, world heritage sites and protected wrecks are designated heritage assets: harm needs clear and convincing justification.
Historic England ↗
Also on the record
Conservation area 82 m away: Civic Core; Inside the Watford (Watford) built-up area; Green belt 33 m away: London.
Not affected
Outside flood zones 2 and 3 · No listed building at the site · No scheduled monument at the site

Checked on 30 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.

Sales history 3

Last sold for £974,500 in September 2019. Detached house, freehold.

19 September 2019£974,500
2 March 2009£450,000
28 August 1997£22,000

Sale prices from HM Land Registry's price paid record, matched to this application by its address.

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Important details

Council
Watford
Application type
Non-material amendment of PP
Postcode
WD17 3AA
Received
28 Sept 2026
Validated
28 Sept 2026
Ward
Park
Decision level
Delegated
Applicant
Show

Decision outlook

Day 6 of the 56-day target. Watford usually decides extensions by day 45.

Day 650 days to the 56-day target
92%decided within 8 weeks
80%approved
315decided in the last year

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

Public comments

No public comments yet.

Last counted 30 Sept 2026

Read the comments on the council site ↗

Consultation & key dates

Alt. reference
PP-15252117
Env. assessment
No
Watford
Planning Authority Score
6.2/10
Average
#96 of 296 councils
Relevant to this application:
Householder decisions

Watford is faster than most councils at deciding householder applications, ranking #41 out of 296. Only 21% of applications have the time limit extended, well below the 41% national average - the council usually decides on time. Watford is also one of the strictest councils - it refuses more householder applications than almost any other, with only 81% approved vs 90% nationally.

One of the strictest councils
only 81% approved vs 90% nationally
These figures are council-wide context, not a prediction for this application. View full council performance
Watford decision statistics
Based on MHCLG data, the year to March 2026
79%
Overall approval rate
Below avg (87%) #268 of 296
81%
Householder approved
Below avg (90%) #276 of 296
80%
Decided in 8 weeks
Above avg (63%) #41 of 296
21%
Extended time limit
Below avg (41%) #21 of 296
66%
Minor dwellings approved
41 decided (1-9 homes)
100%
Major dwellings approved
5 decided (10+ homes)
43%
Change of use approved
7 decided
526
Total decisions
111 refused in the year to March 2026

Sale prices: Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0.

Freehold boundary: © Crown copyright and database rights 2026, HM Land Registry. Polygons © Crown copyright and database rights 2026 Ordnance Survey 100026316. Conditions of use