17 Knockhall Chase Greenhithe Kent DA9 9EW Data via plota.co.uk
Proposal
Application for a Lawful Development Certificate for proposed erection of a single-storey rear/side extension Data via plota.co.uk
Application progress
Under consideration
No decision has been issued yet. Plota predicts a decision around 1 Dec 2026, from Dartford's recent extensions.
Documents 2
Application forms 1
Other documents 1
Site constraints 5
Checked on 8 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 5
Last sold for £312,000 in August 2023. Terraced 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 September 2022, the latest held for this property. The building may have changed since. View the certificate
Every application in Dartford - and every UK council - as a live feed, an API, or a bulk CSV export.
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Important details
Decision outlook
Day 21 of the 56-day target. Dartford usually decides extensions by day 55.
Plota live figures for extensions decided by Dartford in the last twelve months, from validation. Dartford decision record →
Public comments
No public comments yet.
Last counted 22 Oct 2026
Consultation & key dates
- Alt. reference
- PP-15225145
- Planning Portal ref
- PP-15225145
- Statutory expiry
- 2 Dec 2026
- Env. assessment
- No
Historical activity at this location
4 nearby applications on record - archival context, not part of the live application.
Nearby activity
Dartford is faster than most councils at deciding householder applications, ranking #92 out of 296. Dartford is also one of the strictest councils - it refuses more householder applications than almost any other, with only 80% 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.
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17 Knockhall Chase Greenhithe Kent DA9 9EW
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