HM Land Registry records the plot of land for 84, Castle Street, Boston as measuring 102 m².

That makes it the 32nd largest plot in the postcode, where 39 of the 40 other houses have recorded plot data.

84, Castle Street, Boston has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 16 Nov 2020.

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

The most recent sale of 84, Castle Street, Boston completed on 12th February 2014 at £87,000 and was recorded by HM Land Registry as a freehold house.

Since 1995 the property has sold 3 times.

Values of comparable properties have risen by 70.6% over the period since February 2014.

• Sold Feb 2014£87,000
• Sold Jan 2011£84,000
• Sold Sep 2010£35,000

Since 2016 129 properties similar to 84, Castle Street, Boston have sold within a radius of 520 metres, per the Land Registry and our network of Estate Agents.

The latest, on the 2nd April 2026, was 58, Castle Street, Boston, PE21 8PN, a freehold house which sold for £74,000.

Read more about house prices in PE21.

• Sold Apr 2026£74,000 | 3 Bed House58, Castle Street, Boston, PE21 8PN58, Castle Street, Boston, PE21 8PN
• Sold Feb 2026£60,000 | 3 Bed House42, Argyle Street, Boston, PE21 8PH42, Argyle Street, Boston, PE21 8PH
• Sold Jan 2026£114,950 | 3 Bed House44, Argyle Street, Boston, PE21 8PH44, Argyle Street, Boston, PE21 8PH
• Sold Dec 2025£114,950 | 3 Bed House90, Castle Street, Boston, PE21 8PR90, Castle Street, Boston, PE21 8PR
• 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£80,000 | 3 Bed House70, Argyle Street, Boston, PE21 8PH70, Argyle Street, Boston, PE21 8PH
• Sold Jun 2025£120,000 | 3 Bed House16, Orchard Street, Boston, PE21 8PL16, Orchard Street, Boston, PE21 8PL
• Sold Mar 2025£106,500 | 3 Bed House27, Granville Street, Boston, PE21 8PG27, Granville Street, Boston, PE21 8PG
• Sold Feb 2025£108,000 | 3 Bed House19, Orchard Street, Boston, PE21 8PL19, Orchard Street, Boston, PE21 8PL
• Sold Nov 2024£75,000 | 3 Bed House81, Granville Street, Boston, PE21 8PG81, Granville Street, Boston, PE21 8PG
• Sold Jul 2024£120,000 | 3 Bed House7, Orchard Street, Boston, PE21 8PL7, Orchard Street, Boston, PE21 8PL
• Sold Jun 2024£93,000 | 3 Bed House10, Orchard Street, Boston, PE21 8PL10, Orchard Street, Boston, PE21 8PL
• Sold Nov 2023£80,000 | 3 Bed House1, Granville Street, Boston, PE21 8PG1, Granville Street, Boston, PE21 8PG
• Sold Jul 2023£107,500 | 3 Bed House49, Fydell Street, Boston, PE21 8LG49, Fydell Street, Boston, PE21 8LG
• Sold Aug 2022£110,000 | 3 Bed House52, Castle Street, Boston, PE21 8PN52, Castle Street, Boston, PE21 8PN
• Sold Feb 2020£83,000 | 3 Bed House30, Orchard Street, Boston, PE21 8PL30, Orchard Street, Boston, PE21 8PL
• Sold Apr 2019£79,995 | 3 Bed House2B, Orchard Street, Boston, PE21 8PL2B, Orchard Street, Boston, PE21 8PL
• Sold Apr 2018£70,000 | 3 Bed House61, Castle Street, Boston, PE21 8PR61, Castle Street, Boston, PE21 8PR
• Sold May 2016£65,000 | 3 Bed House86, Castle Street, Boston, PE21 8PR86, Castle Street, Boston, PE21 8PR

Of the 97 addresses on Castle Street, Boston, PE21, 84, Castle Street, Boston comes out as the 33rd largest and the 59th most expensive in our analysis of the public data.

It is also £60k less expensive than the average property across the PE21 district.

• 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

The flood risk here is rated Low, based on Environment Agency data.