Annexe, 15 Mersea Avenue, West Mersea Colchester CO5 8JL Data via plota.co.uk
Proposal
change of use of existing annex to rental and short term let, includesoff road parking and dedicated access Data via plota.co.uk
Application progress
Under consideration
No decision has been issued yet. Plota predicted a decision around 6 Nov 2026; it is now day 164.
Site constraints 3
Checked on 2 November 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.
Building
From the energy performance certificate lodged in September 2020, 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.
Other new applications on this street
Nearby new applications
45 High Street, West Mersea Colchester CO5 8QA
Conversion of 3 bedroom house into 2no. 1 beddroom flat on the ground and floor ...
44 Mersea Avenue, West Mersea Colchester CO5 8JL
Demolition of existing bungalow and annex to be replaced with proposedbungalow a...
37 Firs Chase, West Mersea Colchester CO5 8NN
Single storey side extensions to garage and installation of 1.8m fenceon east bo...
2 New Captains Road, West Mersea Colchester CO5 8QP
Removal of roof to existing bungalow with the construction of a first floor leve...
Important details
- Council
- Colchester
- Application type
- Full (8 Week Determination)
- Postcode
- CO5 8JL
- Received
- 26 May 2026
- Validated
- 26 May 2026
- Ward
- Mersea & Pyefleet
- Parish
- West Mersea
- Case officer
- Show
- Target decision
- 21 Jul 2026
- Applicant
- Show
Decision outlook
Day 164, past the statutory target. 76% of changes of use in Colchester are decided within thirteen weeks; extensions of time are common, and the council need not decide on the day. Last seen undecided on 4 Nov 2026.
Plota live figures for changes of use decided by Colchester in the last twelve months, from validation. Colchester decision record →
Consultation & key dates
- Comments by
- 23 Jun 2026
Historical activity at this location
25 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.
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
Annexe, 15 Mersea Avenue, West Mersea Colchester CO5 8JL
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 23 Jun 2026.