Areas/Postcode districts/TW20
Postcode district
TW20
8,015 domestic properties carry a TW20 postcode. Postcode districts don't line up with council boundaries — TW20 spans Runnymede and Windsor and Maidenhead, and this page counts all of them honestly rather than filing it under one authority.
Runnymede 100%
Windsor and Maidenhead 0%
8,015properties matched to a UPRN
47%rated D or below on their current EPC
Cmost common current energy band
2local authorities represented here
Energy performance
Where the stock sits today
TW20's current EPC mix, read directly from the certificates. Runnymede 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 0%
B 11%
C 41%
D 35%
E 11%
F 1%
G 0%
Distance from standard
67.6→80.9
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
8,015
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. Runnymede 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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2,825properties in flood zone 2 or 3
▦
330properties in a designated conservation area
⌂
8,015properties 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.
8.8%households in fuel poverty (DESNZ sub-regional estimate)
16%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 TW20 →UPRN 100023...EPC D → C
UPRN 100023...Flood zone 1
UPRN 100023...Conservation area
UPRN 100023...EPC E → D
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Other TW postcode districts
19 published