Areas/Postcode districts/TS21
Postcode district
TS21
4,702 domestic properties carry a TS21 postcode. Postcode districts don't line up with council boundaries — TS21 spans County Durham, Stockton-on-Tees and Darlington, and this page counts all of them honestly rather than filing it under one authority.
County Durham 59%
Stockton-on-Tees 38%
Darlington 4%
4,702properties matched to a UPRN
47%rated D or below on their current EPC
Dmost common current energy band
3local authorities represented here
Energy performance
Where the stock sits today
TS21's current EPC mix, read directly from the certificates. County Durham 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 2%
B 25%
C 27%
D 34%
E 9%
F 3%
G 1%
Distance from standard
69.1→84.0
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
4,702
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. County Durham 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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2properties in flood zone 2 or 3
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295properties in a designated conservation area
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4,696properties 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.
8.7%households in fuel poverty (DESNZ sub-regional estimate)
11%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 TS21 →UPRN 100023...EPC D → C
UPRN 100023...Flood zone 1
UPRN 100023...Conservation area
UPRN 100023...EPC E → D
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Other TS postcode districts
29 published