13, BOUNDARY ROAD, SIDCUP, DA15 8SS - £375,000

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.

13 BOUNDARY ROAD is a large extended semi-detached house of 122m², built sometime between 1930 and 1949, which could now be worth an estimated £373,051. It was last sold for £375,000 in December 2025, which was around 29% below the average December 2025 semi-detached price in the Bexley local authority area. The most recent EPC inspection was July 2026, where the current energy rating was C, and the potential energy rating was B.

13 BOUNDARY ROAD Sold Prices

Land registry data shows one sale for 13 BOUNDARY ROAD since 1^st January 1995. The below table shows the price paid for the one sale, along with the average semi-detached price in the Bexley 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 19 DEC	£375,000	£530,393	29% below HPI

What might 13 BOUNDARY ROAD be worth now?

13 BOUNDARY ROAD might now be worth an estimated £373,051.

This is based on house price deflation of 0.5%, between December 2025 and May 2026, for semi-detached houses, in the Bexley local authority area, as calculated by the Office for National Statistics and published in their UK House Price Index (HPI).

The 0.5% deflationary decrease is applied to the most recent sale price for 13 BOUNDARY ROAD of £375,000 on 19th December 2025. For the value to have decreased from £375,000 to £373,051 over the one year and seven months to May 2026, the following assumptions must hold true:

• The value of 13 BOUNDARY ROAD has moved in line with the HPI for semi-detached houses in the Bexley local authority area.
• The December 2025 sale price of £375,000 represented a fair market value for the property.
• The size, condition, and specification of 13 BOUNDARY ROAD has not materially changed since December 2025.

How Large is 13 BOUNDARY ROAD?

13 BOUNDARY ROAD is 122m², which includes one extension, according to the EPC inspection conducted in July 2026. This puts it in the largest 40% of semi-detached houses in London, based on EPC data. The below chart shows the distribution of semi-detached houses by size in London, and where 13 BOUNDARY ROAD lies on this distribution: 68% of semi-detached houses are smaller than 13 BOUNDARY ROAD, and 31% of semi-detached houses are larger. Note that EPC data is not available for all properties in London.

Where is 13 BOUNDARY ROAD?

13 BOUNDARY ROAD is located in SIDCUP, in the DA15 postcode district.