Areas/Postcode districts/CO5
Postcode district
CO5
9,385 domestic properties carry a CO5 postcode. Postcode districts don't line up with council boundaries — CO5 spans Colchester, Braintree and Maldon, and this page counts all of them honestly rather than filing it under one authority.
Colchester 77%
Braintree 21%
Maldon 2%
9,385properties matched to a UPRN
52%rated D or below on their current EPC
Dmost common current energy band
3local authorities represented here
Energy performance
Where the stock sits today
CO5's current EPC mix, read directly from the certificates. Colchester and the other authorities here have different profiles — the figures below are this district's blended total across all of them, not any single authority's own number.
A 1%
B 19%
C 27%
D 35%
E 14%
F 3%
G 1%
Distance from standard
66.6→82.5
Average current efficiency score against average potential score, on the certificate's own SAP scale. The gap is what a certificate's own recommendations are already aimed at closing — a reading of the certificates as issued, not a projection.
Properties matched
9,385
Matched to a UPRN in the current release, out of a national total of 19,274,677.
Flood, heritage & conservation
Constraints on the ground
Three separate checks, kept separate on purpose — a property can sit in more than one at once. Colchester and the other authorities here have different profiles — the figures below are this district's blended total across all of them, not any single authority's own number.
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353properties in flood zone 2 or 3
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598properties in a designated conservation area
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9,385properties within roughly 2.2km of a listed building
A proximity signal, not a listed-status check — this counts nearby listed buildings, not properties confirmed to be listed themselves.
Deprivation & fuel poverty
Neighbourhood context, England-wide
The English Indices of Deprivation rank every small area nationally, from 1 (most deprived) to 10 (least). Here's how this area's neighbourhoods sit against the rest of England.
8.6%households in fuel poverty (DESNZ sub-regional estimate)
9%of homes are social rented (Census 2021)
This is the aggregate picture. Every property behind it has its own record.
Certificate history, exact flood zone, planning constraints, deprivation and tenure — matched to the UPRN and searchable one property at a time inside CrierData.
Search properties in CO5 →UPRN 100023...EPC D → C
UPRN 100023...Flood zone 1
UPRN 100023...Conservation area
UPRN 100023...EPC E → D
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Other CO postcode districts
16 published