45, Castle Street, Boston occupies a 88 m² plot as recorded by HM Land Registry.

Of the 40 other houses in this postcode, 39 have recorded plot sizes, and this one ranks as the 37th largest.

45, Castle Street, Boston has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 18 Oct 2021.

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

45, Castle Street, Boston last changed hands on 13th July 2016, selling for £85,000. The transaction was logged as a freehold house by HM Land Registry.

That is its only recorded sale since 1995.

The market for similar properties has risen by 53.3% since July 2016.

Land Registry records and our Estate Agent network show 64 sales of comparable properties within 520 metres of 45, Castle Street, Boston since 2011.

Most recently, 90, Carlton Road, Boston, PE21 8PQ, a freehold house, sold at £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£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 Jul 2025£85,000 | 3 Bed House62, Fydell Street, Boston, PE21 8LF62, Fydell Street, Boston, PE21 8LF
• Sold Jul 2025£85,000 | 3 Bed House9, Norfolk Place, Boston, PE21 9JJ9, Norfolk Place, Boston, PE21 9JJ
• 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 May 2024£105,000 | 3 Bed House20, Norfolk Street, Boston, PE21 6PW20, Norfolk Street, Boston, PE21 6PW
• Sold Mar 2024£95,000 | 2 Bed House105, Fydell Street, Boston, PE21 8LG105, Fydell Street, Boston, PE21 8LG
• Sold Mar 2024£115,000 | 3 Bed House32, Norfolk Place, Boston, PE21 9JJ32, Norfolk Place, Boston, PE21 9JJ
• Sold Dec 2022£96,550 | 3 Bed House47, Castle Street, Boston, PE21 8PR47, Castle Street, Boston, PE21 8PR
• Sold Oct 2022£60,000 | 3 Bed House51, Castle Street, Boston, PE21 8PR51, Castle Street, Boston, PE21 8PR
• Sold Sep 2021£97,000 | 3 Bed House70, Fydell Street, Boston, PE21 8LF70, Fydell Street, Boston, PE21 8LF
• Sold Nov 2020£85,000 | 3 Bed House45, Argyle Street, Boston, PE21 8PJ45, Argyle Street, Boston, PE21 8PJ
• Sold Apr 2018£70,000 | 3 Bed House61, Castle Street, Boston, PE21 8PR61, Castle Street, Boston, PE21 8PR
• Sold Aug 2017£70,000 | 2 Bed House22, Castle Street, Boston, PE21 8PN22, Castle Street, Boston, PE21 8PN
• Sold Jun 2015£86,000 | 3 Bed House53, Castle Street, Boston, PE21 8PR53, Castle Street, Boston, PE21 8PR
• Sold Dec 2011£64,500 | 3 Bed House55, Castle Street, Boston, PE21 8PR55, Castle Street, Boston, PE21 8PR

Our analysis of the public data ranks 45, Castle Street, Boston as the 67th largest and the 91st most expensive of the 97 addresses on Castle Street, Boston, PE21.

Against the PE21 postcode district average, it is £71k less expensive than the typical property.

• 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

Environment Agency data suggests this area has a Low risk of flooding.