According to data from HM Land Registry, 98, Castle Street, Boston sits on a plot of 309 m².

We have plot size data on 39 out of 40 other houses in the postcode and 98, Castle Street, Boston sits on the 12th largest plot.

98, Castle Street, Boston has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 06 Sep 2021.

The property is connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).

According to HM Land Registry, 98, Castle Street, Boston was last sold on 14th June 2002 for £56,950 and was recorded as a freehold house.

The property has had 2 sales since 1995.

• Sold Jun 2002£56,950
• Sold Jul 1997£31,500

According to the Land Registry and our network of Estate Agents, there have been 59 sales of properties similar to 98, Castle Street, Boston within a radius of 520 metres since 2015.

The most recent example is 23, Castle Street, Boston, PE21 8PN, a freehold house which sold for £95,052 on the 5th June 2026.

Read more about house prices in PE21.

• Sold Jun 2026£95,052 | 2 Bed House23, Castle Street, Boston, PE21 8PN23, Castle Street, Boston, PE21 8PN
• Sold Feb 2026£100,000 | 2 Bed House90, Carlton Road, Boston, PE21 8PQ90, Carlton Road, Boston, PE21 8PQ
• Sold Feb 2026£100,000 | 2 Bed House8, Castle Street, Boston, PE21 8PN8, Castle Street, Boston, PE21 8PN
• Sold Jan 2026£114,950 | 3 Bed House44, Argyle Street, Boston, PE21 8PH44, Argyle Street, Boston, PE21 8PH
• Sold Nov 2025£85,000 | 3 Bed House55, Argyle Street, Boston, PE21 8PJ55, Argyle Street, Boston, PE21 8PJ
• Sold Oct 2025£96,000 | 3 Bed House49, Castle Street, Boston, PE21 8PR49, Castle Street, Boston, PE21 8PR
• Sold Aug 2025£92,000 | 2 Bed House10, Bowman Close, Boston, PE21 8PW10, Bowman Close, Boston, PE21 8PW
• Sold Jul 2025£96,000 | 2 Bed House34, Castle Street, Boston, PE21 8PN34, Castle Street, Boston, PE21 8PN
• Sold Sep 2024£95,000 | 3 Bed House49, Argyle Street, Boston, PE21 8PJ49, Argyle Street, Boston, PE21 8PJ
• Sold Mar 2024£95,000 | 2 Bed House105, Fydell Street, Boston, PE21 8LG105, Fydell Street, Boston, PE21 8LG
• Sold Dec 2022£96,550 | 3 Bed House47, Castle Street, Boston, PE21 8PR47, Castle Street, Boston, PE21 8PR
• Sold Oct 2022£110,000 | 3 Bed House35, Fydell Street, Boston, PE21 8LG35, Fydell Street, Boston, PE21 8LG
• Sold Oct 2022£60,000 | 3 Bed House51, Castle Street, Boston, PE21 8PR51, Castle Street, Boston, PE21 8PR
• Sold May 2021£87,500 | 2 Bed House106, Castle Street, Boston, PE21 8PR106, Castle Street, Boston, PE21 8PR
• Sold Nov 2017£75,000 | 3 Bed House20, Castle Street, Boston, PE21 8PN20, Castle Street, Boston, PE21 8PN
• Sold Aug 2017£70,000 | 2 Bed House22, Castle Street, Boston, PE21 8PN22, Castle Street, Boston, PE21 8PN
• Sold Jul 2016£85,000 | 3 Bed House45, Castle Street, Boston, PE21 8PR45, Castle Street, Boston, PE21 8PR
• Sold Sep 2015£81,500 | 3 Bed House45, Fydell Street, Boston, PE21 8LG45, Fydell Street, Boston, PE21 8LG
• Sold Sep 2015£82,500 | 2 Bed House63, Fydell Street, Boston, PE21 8LG63, Fydell Street, Boston, PE21 8LG
• Sold Jun 2015£86,000 | 3 Bed House53, Castle Street, Boston, PE21 8PR53, Castle Street, Boston, PE21 8PR

Castle Street, Boston, PE21 has a total of 97 addresses. According to our analysis of all the public data, 98, Castle Street, Boston is the 76th largest and the 58th most expensive property on the street.

When compared to the postcode district it is £59k less expensive than the average property in PE21.

• Park Academy

  500 m away
• Carlton Road Academy

  500 m away
• Staniland Academy

  1.1 km away

• Haven High Academy

  800 m away
• The Boston Grammar School

  1.4 km away
• Boston High School

  1.7 km away

• Boston

  |

  700 m away
• Hubberts Bridge

  |

  5.1 km away
• Swineshead

  |

  10.3 km away

According to data from the Environment Agency, the flood risk in this area is considered to be Low.