The Barn Grange Lane Letchmore Heath Watford Hertfordshire WD25 8DY Data via plota.co.uk
Proposal
Erection of a detached timber-clad garden studio cabin for use as a small home office space and gym room ancillary to the existing dwelling, and associated soft landscaping. Data via plota.co.uk
Application progress
Under consideration
No decision has been issued yet. Plota predicted a decision around 29 Oct 2026; it is now day 58.
Documents 13
Statements & assessments 1
Plans & drawings 10
Site constraints 6
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 2
Last sold for £1,295,000 in July 2014. 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 October 2025, the latest held for this property. The building may have changed since. View the certificate
Every application in Hertsmere - and every UK council - as a live feed, an API, or a bulk CSV export.
Other new applications on this street
Nearby new applications
Hedge Rows Round Bush Lane Aldenham Watford Hertfordshire WD25 8BQ
Fastigiate Yew, located to the rear of Hedgerows Work notified: Removal of the Y...
Pheasants Retreat 10 New Road Letchmore Heath Watford Hertfordshire WD25 8ED
Erection of single storey attached garage and relocation of existing heat pump.
Bhaktivedanta Manor Dharam Marg Hilfield Lane Aldenham Watford Hertfordshire WD25 8EZ
Application for approval of details reserved by condition 3 (tree protection sch...
Hazel Tree Lodge Back Lane Letchmore Heath Watford Hertfordshire WD25 8EF
Variation of condition 2 (plans) to allow for changes to external appearance fol...
Letchmore House The Green Letchmore Heath Watford Hertfordshire WD25 8ES
T1: Poplar (20m): Remove lower 7 branches as marked on photo to allow more light...
Barn Cottage Grange Lane Letchmore Heath Watford Hertfordshire WD25 8DY
Erection of 2x pergolas within side and rear amenity space and insertion of 1x c...
Important details
Decision outlook
Day 58, past the statutory target. 93% of extensions in Hertsmere are decided within thirteen weeks, which runs to 1 Dec 2026; extensions of time are common, and the council need not decide on the day. Last seen undecided on 28 Oct 2026.
Plota live figures for extensions decided by Hertsmere in the last twelve months, from validation. Hertsmere decision record →
Public comments
No public comments yet.
5 neighbours consulted · Last counted 28 Oct 2026
Consultation & key dates
- Alt. reference
- PP-15177108
- Planning Portal ref
- PP-15177108
- Neighbours
- 3 Sept 2026
- Consultation
- 2 Sept 2026
- Comments by
- 1 Oct 2026
- Site or press notice
- 10 Sept 2026
- Statutory expiry
- 27 Nov 2026
- Env. assessment
- No
Historical activity at this location
36 previous applications on record - archival context, not part of the live application.
Previous applications at this address
Nearby activity
Hertsmere is slower than most councils at deciding householder applications, ranking #243 out of 296. 55% of applications have the time limit extended, above the 41% national average. Householder applications are slightly more likely to be approved here (94%) than the national average (90%).
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
The Barn Grange Lane Letchmore Heath Watford Hertfordshire WD25 8DY
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.

The consultation period closed on 1 Oct 2026.