346 And 348 Cassiobury Drive Watford WD17 3AW Data via plota.co.uk
Proposal
Erection of single storey and first floor rear extensions to the existing dwelling, alterations to the existing roof and associated internal and external alterations, with retention of the existing garage at No 346 and Erection of single storey and first floor rear extensions to the existing dwelling, conversion of the roof space to provide additional habitable accommodation, installation of front and rear dormer windows and rooflights, alterations to the existing roof and associated internal and external alterations at No.348… Data via plota.co.uk
Application progress
This application is under consideration - no decision has been issued yet. Plota predicts a decision between 22 Oct 2026 and 30 Oct 2026, from Watford's recent extensions. Comments are open until 30 Sept 2026.
Comment on this application ↗Documents 21
Statements & assessments 1
Plans & drawings 18
Site constraints 3
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
Decision outlook
Day 4 of the 56-day target. Watford usually decides extensions by day 49.
Plota live figures for extensions decided by Watford in the last twelve months, from validation. Watford decision record →
Public comments
No public comments yet.
11 neighbours consulted · Last counted 10 Sept 2026
Consultation & key dates
- Alt. reference
- PP-15133906
- Comments by
- 30 Sept 2026
- Env. assessment
- No
Historical activity at this location
25 nearby applications on record - archival context, not part of the live application.
Nearby activity
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.
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346 And 348 Cassiobury Drive Watford WD17 3AW
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