122 Coast Road, West Mersea Colchester CO5 8PA Data via plota.co.uk

251813 - Full (8 Week Determination) Refused

Proposal

Erection of side extension to existing first floor flat and creating roof level terrace area. Data via plota.co.uk

View original council record ↗Last checked

Application progress

✓
Received
21 Aug 2025
✓
Validated
29 Aug 2025
✗
Refused
14 Oct 2025
✗
Appeal dismissed
16 Mar 2026

Refused on 14 Oct 2025 · Last checked 13 Oct 2026

Site constraints 8

Flood zone 3, rivers and sea
High chance: a 1 in 100 or greater annual chance from rivers, or 1 in 200 from the sea. Any development here needs a flood risk assessment. Defences are not counted.
The Environment Agency flood map for planning. Homes in zone 3 must also pass the sequential test. Surface water flooding is a separate map.
Flood map ↗
West Mersea conservation area
Demolition needs planning permission and permitted development is restricted.
The council must give weight to preserving or enhancing the area's character and appearance. Not every council has published its boundaries as open data.
Special protection area 56 m away: Blackwater Estuary (Mid-Essex Coast Phase 4)
Work nearby can need a habitats assessment.
Harm to a protected site is only accepted where there is no alternative and an overriding public interest.
SSSI 56 m away: Blackwater Estuary SSSI
Natural England may need consulting, depending on what is proposed.
Sites of special scientific interest are the best wildlife and geological sites in the country. Development likely to harm one is rarely permitted.
Habitat network: Network Enhancement Zone 2
Where habitat is joined up enough to work as a network. Context, not a constraint on its own.
Also on the record
Mersea Island 24 m away; 4 listed buildings within 150 m; Inside the West Mersea built-up area.
Not affected
Not green belt · No scheduled monument 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.

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Important details

Council
Colchester
Application type
Full (8 Week Determination)
Postcode
CO5 8PA
Received
21 Aug 2025
Validated
29 Aug 2025
Ward
Mersea & Pyefleet
Parish
West Mersea
Case officer
Show
Target decision
24 Oct 2025
Decision
Refuse
Decision date
14 Oct 2025
Appeal
Dismissed · 16 Mar 2026 · Written Representations · Inspectorate case 3376144 ↗
Applicant
Show

How this decision compares

Decided in 46 days from validation, 10 days faster than Colchester's median of 56 for full applications. Refused, as 15% of full applications here are.

61%decided within 8 weeks
85%approved
811decided in the last year

Plota live figures for full applications decided by Colchester in the last twelve months, from validation. Colchester decision record →

Consultation & key dates

Comments by
22 Sept 2025
Colchester
Planning Authority Score
6.2/10
Average
#91 of 296 councils
Relevant to this application:
Householder decisions

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