23, ROYAL OAK CLOSE, MACHEN, CAERPHILLY, CF83 8SP - £97,000

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.

23 ROYAL OAK CLOSE is a large detached house of 141m², built sometime between 1976 and 1982, which could now be worth an estimated £436,759. It was last sold for £97,000 in January 1999, which was around 38% above the average January 1999 detached price in the Caerphilly local authority area. The most recent EPC inspection was December 2025, where the current energy rating was C, and the potential energy rating was B.

23 ROYAL OAK CLOSE Sold Prices

Land registry data shows one sale for 23 ROYAL OAK CLOSE 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
1999 8 JAN	£97,000	£70,362	38% above HPI

What might 23 ROYAL OAK CLOSE be worth now?

23 ROYAL OAK CLOSE might now be worth an estimated £436,759.

This is based on house price inflation of 350.3%, between January 1999 and May 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 350.3% inflationary increase is applied to the most recent sale price for 23 ROYAL OAK CLOSE of £97,000 on 8th January 1999. For the value to have increased from £97,000 to £436,759 over the 26 years and eight months to May 2026, the following assumptions must hold true:

• The value of 23 ROYAL OAK CLOSE has moved in line with the HPI for detached houses in the Caerphilly local authority area.
• The January 1999 sale price of £97,000 represented a fair market value for the property.
• The size, condition, and specification of 23 ROYAL OAK CLOSE has not materially changed since January 1999.

How Large is 23 ROYAL OAK CLOSE?

23 ROYAL OAK CLOSE is 141m² according to the EPC inspection conducted in December 2025. This puts it in the largest 40% of detached houses in Machen, based on EPC data. The below chart shows the distribution of detached houses by size in Machen, and where 23 ROYAL OAK CLOSE lies on this distribution: 64% of detached houses are smaller than 23 ROYAL OAK CLOSE, and 34% of detached houses are larger. Note that EPC data is not available for all properties in Machen.

23 ROYAL OAK CLOSE: Plot

23 ROYAL OAK CLOSE sits on a plot of roughly 0.107 of an acre, or 434m².

Where is 23 ROYAL OAK CLOSE?

23 ROYAL OAK CLOSE is located in MACHEN, in the CF83 postcode district.