18 Blackwater Avenue, Colchester CO4 3UY Data via plota.co.uk
Proposal
Proposed garage conversion with front and rear facing dormer windows. Data via plota.co.uk
Application progress
Under consideration
No decision has been issued yet. Plota predicts a decision around 10 Nov 2026, from Colchester's recent extensions.
Site constraints 3
Checked on 6 October 2026. Historic England, the Environment Agency, Natural England 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 1
Last sold for £388,000 in July 2024. 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 December 2023, the latest held for this property. The building may have changed since. View the certificate
Every application in Colchester - and every UK council - as a live feed, an API, or a bulk CSV export.
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Application for Approval of Details Reserved by Conditions 4 and 5 of 260811
Important details
- Council
- Colchester
- Application type
- Full (8 Week Determination)
- Postcode
- CO4 3UY
- Received
- 15 Sept 2026
- Validated
- 15 Sept 2026
- Ward
- St Anne's & St John's
- Parish
- Colchester
- Case officer
- Show
- Target decision
- 10 Nov 2026
- Applicant
- Show
- Agent
- Show
Decision outlook
Day 24 of the 56-day target. Colchester usually decides extensions by day 56.
Plota live figures for extensions decided by Colchester in the last twelve months, from validation. Colchester decision record →
Consultation & key dates
- Comments by
- 7 Oct 2026
Historical activity at this location
4 nearby applications on record - archival context, not part of the live application.
Nearby activity
Colchester is faster than most councils at deciding householder applications, ranking #43 out of 296. Only 27% of applications have the time limit extended, well below the 41% national average - the council usually decides on time. Colchester is also one of the strictest councils - it refuses more householder applications than almost any other, with only 84% 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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18 Blackwater Avenue, Colchester CO4 3UY
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The consultation period closed on 7 Oct 2026.