Annexe, 15 Mersea Avenue, West Mersea Colchester CO5 8JL Data via plota.co.uk

260965 - Full (8 Week Determination) Application Valid

Proposal

change of use of existing annex to rental and short term let, includesoff road parking and dedicated access Data via plota.co.uk

View original council record ↗Last checked

Application progress

✓
Received
26 May 2026
Decision
Target date was 21 Jul 2026

Under consideration

No decision has been issued yet. Plota predicted a decision around 6 Nov 2026; it is now day 164.

The consultation period closed on 23 Jun 2026.

Site constraints 3

Also on the record
Special protection area 489 m away: Blackwater Estuary (Mid-Essex Coast Phase 4); SSSI 489 m away: Blackwater Estuary SSSI; Inside the West Mersea built-up area.
Not affected
Outside flood zones 2 and 3 · Not green belt · No listed building at the site

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

Floor area49 m² (527 sq ft)
Energy ratingC (73 out of 100), could reach B
PropertySemi-detached bungalow, 3 habitable rooms
Built2003 to 2006
HeatingBoiler and radiators, mains gas
WallsCavity wall, as built, insulated (assumed)

From the energy performance certificate lodged in September 2020, the latest held for this property. The building may have changed since. View the certificate

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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.

Day 164108 days past the 56-day target
51%decided within 8 weeks
73%approved
103decided in the last year

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
Colchester
Planning Authority Score
6.2/10
Average
#91 of 296 councils
Relevant to this application:
Change of use

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.

One of the strictest councils
only 84% approved vs 90% nationally
These figures are council-wide context, not a prediction for this application. View full council performance
Colchester decision statistics
Based on MHCLG data, the year to March 2026
82%
Overall approval rate
Below avg (87%) #245 of 296
84%
Householder approved
Below avg (90%) #255 of 296
79%
Decided in 8 weeks
Above avg (63%) #43 of 296
27%
Extended time limit
Below avg (41%) #39 of 296
67%
Minor dwellings approved
69 decided (1-9 homes)
85%
Major dwellings approved
13 decided (10+ homes)
75%
Change of use approved
89 decided
1,074
Total decisions
188 refused in the year to March 2026

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.