MILL HOUSE, MILL LANE, CASTLETON, CARDIFF, CF3 2UT - £490,000

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.

MILL HOUSE is a small extended detached house of 158m², built sometime before 1900, which could now be worth an estimated £496,595. It was last sold for £490,000 in December 2025, which was around 23% above the average December 2025 detached price in the Newport local authority area. The most recent EPC inspection was January 2024, where the current energy rating was D, and the potential energy rating was B.

MILL HOUSE Sold Prices

Land registry data shows one sale for MILL HOUSE since 1^st January 1995. The below table shows the price paid for the one sale, along with the average detached price in the Newport 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
2025 2 DEC	£490,000	£398,226	23% above HPI

What might MILL HOUSE be worth now?

MILL HOUSE might now be worth an estimated £496,595.

This is based on house price inflation of 1.3%, between December 2025 and April 2026, for detached houses, in the Newport local authority area, as calculated by the Office for National Statistics and published in their UK House Price Index (HPI).

The 1.3% inflationary increase is applied to the most recent sale price for MILL HOUSE of £490,000 on 2nd December 2025. For the value to have increased from £490,000 to £496,595 over the one year and eight months to April 2026, the following assumptions must hold true:

• The value of MILL HOUSE has moved in line with the HPI for detached houses in the Newport local authority area.
• The December 2025 sale price of £490,000 represented a fair market value for the property.
• The size, condition, and specification of MILL HOUSE has not materially changed since December 2025.

How Large is MILL HOUSE?

MILL HOUSE is 158m², which includes two extensions, according to the EPC inspection conducted in January 2024. This puts it in the smallest 40% of detached houses in Castleton, based on EPC data. The below chart shows the distribution of detached houses by size in Castleton, and where MILL HOUSE lies on this distribution: 35% of detached houses are smaller than MILL HOUSE, and 65% of detached houses are larger. Note that EPC data is not available for all properties in Castleton.

MILL HOUSE: Plot

MILL HOUSE sits on a plot of roughly 1.1 acres, or 4,450m².

Where is MILL HOUSE?

MILL HOUSE is located on MILL LANE in CASTLETON, in the CF3 postcode district.