39, MOUNTAIN ROAD, CAERPHILLY, CF83 1HH - £512,500

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.

39 MOUNTAIN ROAD is a very large extended detached house of 225m², built sometime between 1900 and 1929, which could now be worth an estimated £534,740. It was last sold for £512,500 in January 2026, which was around 68% above the average January 2026 detached price in the Caerphilly local authority area. The most recent EPC inspection was September 2025, where the current energy rating was D, and the potential energy rating was C.

39 MOUNTAIN ROAD Sold Prices

Land registry data shows one sale for 39 MOUNTAIN 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 Caerphilly 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
2026 9 JAN	£512,500	£305,582	68% above HPI

What might 39 MOUNTAIN ROAD be worth now?

39 MOUNTAIN ROAD might now be worth an estimated £534,740.

This is based on house price inflation of 4.3%, between January 2026 and April 2026, for detached houses, in the Caerphilly local authority area, as calculated by the Office for National Statistics and published in their UK House Price Index (HPI).

The 4.3% inflationary increase is applied to the most recent sale price for 39 MOUNTAIN ROAD of £512,500 on 9th January 2026. For the value to have increased from £512,500 to £534,740 over the nine months to April 2026, the following assumptions must hold true:

• The value of 39 MOUNTAIN ROAD has moved in line with the HPI for detached houses in the Caerphilly local authority area.
• The January 2026 sale price of £512,500 represented a fair market value for the property.
• The size, condition, and specification of 39 MOUNTAIN ROAD has not materially changed since January 2026.

How Large is 39 MOUNTAIN ROAD?

39 MOUNTAIN ROAD is 225m², which includes one extension, according to the EPC inspection conducted in September 2025. This puts it in the largest 10% of detached houses in Caerphilly, based on EPC data. The below chart shows the distribution of detached houses by size in Caerphilly, and where 39 MOUNTAIN ROAD lies on this distribution: 98% of detached houses are smaller than 39 MOUNTAIN ROAD, and 2% of detached houses are larger. Note that EPC data is not available for all properties in Caerphilly.

Where is 39 MOUNTAIN ROAD?

39 MOUNTAIN ROAD is located in CAERPHILLY, in the CF83 postcode district.