30, CASTLE STREET, BOSTON, PE21 8PN - £41,250

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.

30 CASTLE STREET is a very small extended terraced house of 67m², built sometime between 1900 and 1929, which could now be worth an estimated £115,902. It was last sold for £41,250 in July 2002, which was around 10% below the average July 2002 terraced price in the Boston local authority area. The most recent EPC inspection was June 2016, where the current energy rating was D, and the potential energy rating was C.

30 CASTLE STREET Sold Prices

Land registry data shows four sales for 30 CASTLE STREET since 1^st January 1995. The below table shows the price paid for the four sales, along with the average terraced price in the Boston local authority area for the corresponding sale date. The four 30 CASTLE STREET sales were a mix of below the average price, and roughly equal to the average price. The average price is sourced from the Office for National Statistics' House Price Index (HPI).

Date	Price	HPI Price	Variation from HPI
2002 31 JUL	£41,250	£45,679	10% below HPI
2002 12 MAR	£31,000	£39,798	22% below HPI
1999 1 APR	£26,500	£26,858	1% below HPI
1996 2 DEC	£24,995	£25,026	Close to HPI

30 CASTLE STREET Price Paid vs. HPI Average

The below graph shows the average terraced house price in the Boston local authority area over time, sourced from the HPI. The four 30 CASTLE STREET sales between December 1996 and July 2002 have been plotted on the graph. A line has been extrapolated to show what the value of the property might have been over time, following each sale, had it maintained the same margin above or below the HPI (as a percentage). For example, the March 2002 sale was for 22% below the HPI. So the extrapolation line tracks at 22% below the HPI over time, until the July 2002 sale, where it rises to 10% below the HPI. The line then continues to track at 10% below the HPI.

What might 30 CASTLE STREET be worth now?

30 CASTLE STREET might now be worth an estimated £115,902.

This is based on house price inflation of 181%, between July 2002 and August 2025, for terraced houses, in the Boston local authority area, as calculated by the Office for National Statistics and published in their UK House Price Index (HPI).

The 181% inflationary increase is applied to the most recent sale price for 30 CASTLE STREET of £41,250 on 31st July 2002. For the value to have increased from £41,250 to £115,902 over the 22 years and eleven months to August 2025, the following assumptions must hold true:

• The value of 30 CASTLE STREET has moved in line with the HPI for terraced houses in the Boston local authority area.
• The July 2002 sale price of £41,250 represented a fair market value for the property.
• The size, condition, and specification of 30 CASTLE STREET has not materially changed since July 2002.

How Large is 30 CASTLE STREET?

30 CASTLE STREET is 67m², which includes one extension, according to the EPC inspection conducted in June 2016. This puts it in the smallest 10% of terraced houses houses in Boston, based on EPC data. The below chart shows the distribution of terraced houses houses by size in Boston, and where 30 CASTLE STREET lies on this distribution: 6% of terraced houses houses are smaller than 30 CASTLE STREET, and 94% of houses are larger. Note that EPC data is not available for all properties in Boston.

30 CASTLE STREET: Plot and Title Map

30 CASTLE STREET sits on a plot of roughly 0.052 of an acre, or 212m². The below map shows the location of 30 CASTLE STREET, an approximate outline of the building(s), and the indicative extent of the property. The plot extent is a Land Registry INSPIRE Index Polygon, and it is important to note that a title may include more than one polygon, whereas only one polygon is shown on the map (the polygon which intersects with the position of 30 CASTLE STREET). The full extent of the land contained in any registered title can only be identified from the individual title plan. The maps on this page should not be relied upon to establish the extent of a title.

Where is 30 CASTLE STREET?

30 CASTLE STREET is located in BOSTON, in the PE21 postcode district. The below map shows the position of No. 30 on CASTLE STREET.