306 Cassiobury Drive Watford WD17 3AW Data via plota.co.uk
Proposal
Erection of two storey rear and side extension and loft conversion with the rear and side dormer Data via plota.co.uk
Application progress
Approved on 21 Apr 2026 · Delegated Decision · Last checked 5 Jul 2026
Documents 11
Decision & officer reports 2
Plans & drawings 6
Application forms 2
Consultation & comments 1
Other new applications on this street
211 Cassiobury Drive Watford WD17 3AN
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Nearby new applications
211 Cassiobury Drive Watford WD17 3AN
Erection of part single, part double storey side and rear extensions, associated...
20 Orchard Drive Watford WD17 3DY
Erection of part two storey rear extension and hip to gable loft conversion incl...
201 Hempstead Road Watford WD17 3HG
Proposed construction of a rear dormer to create a bedroom and bathroom with 3 r...
10 Berceau Walk Watford Hertfordshire WD17 3BL
Lawful development certificate for proposed hip to gable loft conversion includi...
11 Roughwood Close Watford WD17 3HN
The erection of a single storey rear extension which would extend beyond the rea...
249 Hempstead Road Watford WD17 3HH
Lawful Development Certificate for a loft extension incorporating a rear flat-ro...
Important details
- Council
- Watford
- Application type
- Full householder
- Postcode
- WD17 3AW
- Received
- 25 Feb 2026
- Validated
- 25 Feb 2026
- Ward
- Park
- Case officer
- Track to view
- Decision
- Conditional Planning Permission
- Decision date
- 21 Apr 2026
- Decision level
- Delegated Decision
- Applicant
- Track to view
- Agent
- Design Endeavours
Consultation & key dates
- Alt. reference
- PP-14732662
- 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 #76 out of 292. Only 19% of applications have the time limit extended, well below the 40% 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 82% approved vs 90% nationally.
Track this application
306 Cassiobury Drive Watford WD17 3AW