Trem Y Castell is a street almost entirely of detached houses. Homes here typically change hands around £287,500 — roughly 32% above the LL31 norm. Per square metre of floor space it comes to about £2,687, above the district's £2,464. Too few recent sales to read a street-level trend, but across LL31 prices have been easing over the last few years. HM Land Registry records 9 sales across 4 homes since 2006.
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Trem Y Castell prices over time
Median sold price on the street by year, from 9 HM Land Registry records. Years with no recorded sales are left blank rather than joined up.
Median sold price by year vs the LL31 district trend. Street medians on thin years reflect few sales — hover a dot for the exact figure.
How Trem Y Castell compares
Trem Y Castell against the LL31 district's busiest streets, the district itself, and the official UK House Price Index for the wider area.
Median sold price and sale count over the last 8years for the district's busiest streets. *This street's figures cover all recorded sales (fewer than 3 in the last 8 years).
Trem Y Castell's £287,500 median sits about 32% above LL31's £218,000; on floor space it runs £2,687/m² against the district's £2,464/m² (+9%).
Street and LL31 figures are medians of HM Land Registry sales; the England figures are the UK House Price Index mix-adjusted average — a different basis, so compare direction rather than levels between the two.
Every recorded sale on Trem Y Castell
Individual transactions as recorded by HM Land Registry, newest first.
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More streets in LL31
Sold-price profiles for nearby streets, and the wider LL31 area guide.
Contains HM Land Registry data © Crown copyright and database right 2026, including the UK House Price Index. EPC data © Crown copyright. Licensed under the Open Government Licence v3.0. Figures summarise recorded sales on the street and are not a valuation of any individual home.