350 Cassiobury Drive Watford WD17 3AW Data via plota.co.uk
Proposal
(Retrospective) Erection of single storey rear outbuilding with hipped roof, brick walls and clay plain tile roof. and WC. (AMENDED PLANS) Data via plota.co.uk
Application progress
This application is under consideration - no decision has been issued yet. Plota predicted a decision around 14 Sept 2026; it is now day 62. The consultation period closed on 4 Aug 2026.
Documents 10
Plans & drawings 6
Application forms 2
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.
Every application in Watford - and every UK council - as a live feed, an API, or a bulk CSV export.
Other new applications on this street
346 And 348 Cassiobury Drive Watford WD17 3AW
Erection of single storey and first floor rear extensions to the existing dwelli...
157 Cassiobury Drive Watford WD17 3AL
Proposed roof alteration involving double hip-to-gable conversion; erection of a...
211 Cassiobury Drive Watford WD17 3AN
Erection of part single, part double storey side and rear extensions, associated...
71 Cassiobury Drive Watford WD17 3AG
Extensions at first floor and roof level to create additional bedroom with en su...
Nearby new applications
346 And 348 Cassiobury Drive Watford WD17 3AW
Erection of single storey and first floor rear extensions to the existing dwelli...
15 Wentworth Close Watford Hertfordshire WD17 4LW
Erection of double and single storey front, side and rear extensions with intern...
8 Bellmount Wood Avenue Watford Hertfordshire WD17 3BW
Erection of ground floor single storey rear extension and part first floor exten...
223 Hempstead Road Watford WD17 3HH
Non - material amendment pursuant to planning permission 25/00993/FULH for propo...
Lidl Great Britain Limited Hempstead Road Watford Hertfordshire
Discharge of Condition 26 (Verification Report) pursuant to planning permission ...
37 Harford Drive Watford Hertfordshire WD17 3DQ
Erection of a single storey wrap around extension & first floor rear extension
Important details
Decision outlook
Day 62, past the statutory target. 99% of extensions in Watford are decided within thirteen weeks, which runs to 13 Oct 2026; extensions of time are common, and the council need not decide on the day. Last seen undecided on 8 Sept 2026.
Plota live figures for extensions decided by Watford in the last twelve months, from validation. Watford decision record →
Public comments
No public comments yet.
6 neighbours consulted · Last counted 8 Sept 2026
Consultation & key dates
- Alt. reference
- PP-14886163
- Comments by
- 4 Aug 2026
- Env. assessment
- No
Historical activity at this location
31 previous applications on record - archival context, not part of the live application.
Previous applications at this address
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.
Track this application
350 Cassiobury Drive Watford WD17 3AW
Tracking this application
Not there in a minute? Check junk - especially Hotmail and Outlook.
Go to your dashboard →Sign in to view contact details
Applicant and case-officer names are hidden from public view for privacy. Create a free Plota account - or sign back in - and we'll show them, plus you get a dashboard for alerts and tracked applications.
