18 Lyne Way Hemel Hempstead Hertfordshire HP1 3PL Data via plota.co.uk
Proposal
Loft conversion with rear dormer extension featuring Juliet balcony & casement window. Installation of 3 No. roof windows in front roof slope. Data via plota.co.uk
Application progress
Under consideration
No decision has been issued yet. Plota predicts a decision around 9 Oct 2026, from Dacorum's recent extensions.
Documents 8
Plans & drawings 7
Application forms 1
Site constraints 2
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.
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Important details
Decision outlook
Day 51, past Dacorum's usual 50 days for extensions. 97% are decided within thirteen weeks, so most likely by 18 Nov 2026.
Plota live figures for extensions decided by Dacorum in the last twelve months, from validation. Dacorum decision record →
Public comments
No public comments yet.
Last counted 2 Oct 2026
Consultation & key dates
- Alt. reference
- PP-15164597
- Planning Portal ref
- PP-15164597
- Env. assessment
- No
Historical activity at this location
23 nearby applications on record - archival context, not part of the live application.
Nearby activity
Dacorum is faster than most councils at deciding householder applications, ranking #50 out of 296. Only 22% of applications have the time limit extended, well below the 41% national average - the council usually decides on time. Householder applications are slightly more likely to be approved here (91%) than the national average (90%).
Freehold boundary: © Crown copyright and database rights 2026, HM Land Registry. Polygons © Crown copyright and database rights 2026 Ordnance Survey 100026316. Conditions of use
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18 Lyne Way Hemel Hempstead Hertfordshire HP1 3PL
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