305, MARSHFIELD ROAD, CASTLETON, CARDIFF, CF3 2UU - £480,000

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.

305 MARSHFIELD ROAD is a large extended detached house of 223m², built sometime between 2012 and 2021, which could now be worth an estimated £636,812. It was last sold for £480,000 in April 2019, which was around 58% above the average April 2019 detached price in the Newport local authority area. The most recent EPC inspection was August 2025, where the current energy rating was B, and the potential energy rating was B.

305 MARSHFIELD ROAD Sold Prices

Land registry data shows one sale for 305 MARSHFIELD ROAD 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
2019 24 APR	£480,000	£304,205	58% above HPI

What might 305 MARSHFIELD ROAD be worth now?

305 MARSHFIELD ROAD might now be worth an estimated £636,812.

This is based on house price inflation of 32.7%, between April 2019 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 32.7% inflationary increase is applied to the most recent sale price for 305 MARSHFIELD ROAD of £480,000 on 24th April 2019. For the value to have increased from £480,000 to £636,812 over the seven years to April 2026, the following assumptions must hold true:

• The value of 305 MARSHFIELD ROAD has moved in line with the HPI for detached houses in the Newport local authority area.
• The April 2019 sale price of £480,000 represented a fair market value for the property.
• The size, condition, and specification of 305 MARSHFIELD ROAD has not materially changed since April 2019.

How Large is 305 MARSHFIELD ROAD?

305 MARSHFIELD ROAD is 223m², which includes three extensions, according to the EPC inspection conducted in August 2025. This puts it in the largest 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 305 MARSHFIELD ROAD lies on this distribution: 67% of detached houses are smaller than 305 MARSHFIELD ROAD, and 33% of detached houses are larger. Note that EPC data is not available for all properties in Castleton.

305 MARSHFIELD ROAD: Plot

305 MARSHFIELD ROAD sits on a plot of roughly 0.278 of an acre, or 1,126m².

Where is 305 MARSHFIELD ROAD?

305 MARSHFIELD ROAD is located in CASTLETON, in the CF3 postcode district.