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CF46 6

Postcode sector

198 live postcodes: 102 in Merthyr Tydfil, 96 in Caerphilly.

A postcode has no figures of its own: each layer is published for whole councils, neighbourhoods or exact points. The figures below are for the whole of Merthyr Tydfil, which holds 52% of CF46 6’s postcodes. Open the map at CF46 6 for neighbourhoods and points. Open the map at CF46 6

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Deprivation by neighbourhood

Welsh Index of Multiple Deprivation 2025

Most deprived 10%Least

12 of Merthyr Tydfil’s 36 neighbourhoods are in Wales’s most deprived 20%.

Merthyr Tydfil, the council that holds 52% of CF46 6

Average house price
£156,721
Up 4.0% in a year
HM Land Registry · Jul 2026
Median full-time pay
£35,152
67th lowest of 348
ONS earnings survey · 2025
House price to pay
4.5×
24th most affordable of 348
Worked out by Open Index
Population
58,836
11th lowest of 361
ONS Census 2021 · 2021

Everything about Merthyr Tydfil

Councils in CF46 6

Postcodes in CF46 6