344 Hagden Lane Watford WD18 7SH Data via plota.co.uk
Proposal
Proposed double hip to gable loft conversion including rear dormer and x3 front roof lights Data via plota.co.uk
Application progress
Refused on 26 Oct 2026 · Delegated Decision · Last checked 27 Oct 2026
Documents 16
Decision & officer reports 2
Statements & assessments 1
Plans & drawings 10
Application forms 2
Consultation & comments 1
Site constraints 3
Checked on 6 October 2026. Historic England, the Environment Agency, Natural England, the British Geological Survey and UK Health Security Agency (radon, contains BGS materials © UKRI) 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 £955,000 in June 2026. Detached house, freehold.
Sale prices from HM Land Registry's price paid record, matched to this application by its address.
Building
From the energy performance certificate lodged in February 2026, the latest held for this property. The building may have changed since. View the certificate
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
127 Hagden Lane Watford WD18 7SR
Erection of a ground floor single storey side extension.
201 Hagden Lane Watford WD18 7SN
Works to trees under TPO 248 Sycamore (T2) - Fell tree to ground level and remov...
89 Hagden Lane Watford WD18 7UA
The erection of a single storey rear extension which would extend beyond the rea...
Nearby new applications
11 The Chase Watford WD18 7JQ
The erection of a single storey rear extension which would extend beyond the rea...
344 Hagden Lane Watford WD18 7SH
Erection of a front porch and a single storey rear extension.
York House 26 - 30 Rickmansworth Road Watford WD18 7HT
Variation of Condition 2 of planning permission 26/00080/FUL to update the plans...
78 Gade Avenue Watford Hertfordshire WD18 7LJ
Conversion of existing garage into a habitable space with a front window, to cre...
498 Whippendell Road Watford WD18 7QJ
Erection of a ground floor wrap around extension, plus front porch.
498 Whippendell Road Watford WD18 7QJ
Lawful Development Certificate for a loft conversion with rear dormer window.
Important details
How this decision compares
Decided in 60 days from validation, 14 days slower than Watford's median of 46 for extensions. Refused, as 21% of extensions here are.
Plota live figures for extensions decided by Watford in the last twelve months, from validation. Watford decision record →
Public comments
No public comments yet.
18 neighbours consulted · Last counted 27 Oct 2026
Consultation & key dates
- Alt. reference
- PP-15177432
- Planning Portal ref
- PP-15177432
- Comments by
- 17 Sept 2026
- Env. assessment
- No
Historical activity at this location
29 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.
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
Energy performance: Energy performance certificates from the Energy Performance of Buildings Register, Ministry of Housing, Communities and Local Government. Contains public sector information licensed under the Open Government Licence v3.0. © Crown copyright 2026.
Track this application
344 Hagden Lane Watford WD18 7SH
Tracking this application
Not there after a minute? Check your junk folder. It's from alerts@plota.co.uk.
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.
