According to data from HM Land Registry, 100, Castle Street, Boston sits on a plot of 305 m².

We have plot size data on 39 out of 40 other houses in the postcode and 100, Castle Street, Boston sits on the 13th largest plot.

100, Castle Street, Boston has an Energy Performance Rating (EPC) of F. This is based on the most recent assessment, dated 17 Oct 2011.

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, 100, Castle Street, Boston was last sold on 23rd March 2012 for £68,000 and was recorded as a freehold house.

The property has had 3 sales since 1995.

Since March 2012, the market for similar properties has risen by 77.4%.

According to the Land Registry and our network of Estate Agents, there have been 76 sales of properties similar to 100, Castle Street, Boston within a radius of 520 metres since 2016.

The most recent example is 90, Carlton Road, Boston, PE21 8PQ, a freehold house which sold for £100,000 on the 26th February 2026.

Read more about house prices in PE21.

• 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 Jan 2026£100,000 | 3 Bed House13, Granville Street, Boston, PE21 8PG13, Granville Street, Boston, PE21 8PG
• 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 Aug 2025£100,626 | 3 Bed House79, Fydell Street, Boston, PE21 8LG79, Fydell Street, Boston, PE21 8LG
• Sold Aug 2025£128,000 | 3 Bed House38, Argyle Street, Boston, PE21 8PH38, Argyle Street, Boston, PE21 8PH
• Sold Jul 2025£96,000 | 2 Bed House34, Castle Street, Boston, PE21 8PN34, Castle Street, Boston, PE21 8PN
• Sold Jul 2025£85,000 | 3 Bed House62, Fydell Street, Boston, PE21 8LF62, Fydell Street, Boston, PE21 8LF
• Sold Feb 2025£108,000 | 3 Bed House19, Orchard Street, Boston, PE21 8PL19, Orchard Street, Boston, PE21 8PL
• Sold Sep 2024£95,000 | 3 Bed House49, Argyle Street, Boston, PE21 8PJ49, Argyle Street, Boston, PE21 8PJ
• Sold Jun 2024£130,000 | 3 Bed House19, Granville Street, Boston, PE21 8PG19, Granville Street, Boston, PE21 8PG
• 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 Apr 2018£70,000 | 3 Bed House61, Castle Street, Boston, PE21 8PR61, Castle Street, Boston, PE21 8PR
• Sold Jul 2016£85,000 | 3 Bed House45, Castle Street, Boston, PE21 8PR45, Castle Street, Boston, PE21 8PR

Castle Street, Boston, PE21 has a total of 97 addresses. According to our analysis of all the public data, 100, Castle Street, Boston is the 71st largest and the 63rd most expensive property on the street.

When compared to the postcode district it is £61k 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.