The information on this page is based on a number of underlying datasets, most of which are updated monthly. We maintain an update schedule which explains which version of each dataset we are currently relying on.
18 Y BERTHLOG is a small semi-detached house of 77m², built sometime between 1950 and 1966, which could now be worth an estimated £151,379. It was last sold for £146,000 in December 2023, which was around 21% below the average December 2023 semi-detached price in the Flintshire local authority area. The most recent EPC inspection was April 2023, where the current energy rating was B, and the potential energy rating was A.
Land registry data shows one sale for 18 Y BERTHLOG since 1st January 1995. The below table shows the price paid for the one sale, along with the average semi-detached price in the Flintshire local authority area for the corresponding sale date. The average price is sourced from the Office for National Statistics' House Price Index (HPI).
| Date | Price | HPI Price | Variation from HPI |
|---|---|---|---|
2023 15 DEC | £146,000 | £184,109 | 21% below HPI |
18 Y BERTHLOG might now be worth an estimated £151,379.
This is based on house price inflation of 3.7%, between December 2023 and May 2026, for semi-detached houses, in the Flintshire local authority area, as calculated by the Office for National Statistics and published in their UK House Price Index (HPI).
The 3.7% inflationary increase is applied to the most recent sale price for 18 Y BERTHLOG of £146,000 on 15th December 2023. For the value to have increased from £146,000 to £151,379 over the three years and seven months to May 2026, the following assumptions must hold true:
18 Y BERTHLOG is 77m² according to the EPC inspection conducted in April 2023. This puts it in the smallest 30% of semi-detached houses in Trelogan, based on EPC data. The below chart shows the distribution of semi-detached houses by size in Trelogan, and where 18 Y BERTHLOG lies on this distribution: 21% of semi-detached houses are smaller than 18 Y BERTHLOG, and 75% of semi-detached houses are larger. Note that EPC data is not available for all properties in Trelogan.

18 Y BERTHLOG sits on a plot of roughly 19.4 acres, or 78,422m².
18 Y BERTHLOG is located in TRELOGAN, in the CH8 postcode district.
Most recent sales first: