HM Land Registry records the plot of land for 70, Castle Street, Boston as measuring 327 m².

That makes it the 10th largest plot in the postcode, where 39 of the 40 other houses have recorded plot data.

70, Castle Street, Boston has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 17 May 2024.

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 70, Castle Street, Boston completed on 6th June 2014 at £102,000 and was recorded by HM Land Registry as a freehold house.

Since 1995 this is the property's only sale.

Values of comparable properties have risen by 57.0% over the period since June 2014.

Since 2018 82 properties similar to 70, 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 29th May 2026, was 54, Granville Street, Boston, PE21 8PF, a freehold house which sold for £69,000.

Read more about house prices in PE21.

• Sold May 2026£69,000 | 3 Bed House54, Granville Street, Boston, PE21 8PF54, Granville Street, Boston, PE21 8PF
• Sold Jan 2026£125,000 | 3 Bed House91, Fydell Street, Boston, PE21 8LG91, Fydell Street, Boston, PE21 8LG
• Sold Oct 2025£100,000 | 3 Bed House32, Argyle Street, Boston, PE21 8PH32, Argyle Street, Boston, PE21 8PH
• Sold Aug 2025£105,000 | 3 Bed House32, Granville Street, Boston, PE21 8PF32, Granville Street, Boston, PE21 8PF
• Sold Jul 2024£110,000 | 3 Bed House52, Granville Street, Boston, PE21 8PF52, Granville Street, Boston, PE21 8PF
• Sold Feb 2024£150,000 | 4 Bed House52, Carlton Road, Boston, PE21 8PA52, Carlton Road, Boston, PE21 8PA
• Sold Jan 2024£120,000 | 3 Bed House60, Granville Street, Boston, PE21 8PF60, Granville Street, Boston, PE21 8PF
• Sold Dec 2023£120,000 | 3 Bed House50, Granville Street, Boston, PE21 8PF50, Granville Street, Boston, PE21 8PF
• Sold Apr 2023£140,000 | 4 Bed House78, Carlton Road, Boston, PE21 8PA78, Carlton Road, Boston, PE21 8PA
• Sold Feb 2023£143,000 | 4 Bed House48, Granville Street, Boston, PE21 8PF48, Granville Street, Boston, PE21 8PF
• Sold Jan 2023£50,000 | 4 Bed HouseThe Old Bakery, Granville Street, Boston, PE21 8PFThe Old Bakery, Granville Street, Boston, PE21 8PF
• Sold May 2022£149,950 | 4 Bed House14, Granville Street, Boston, PE21 8PF14, Granville Street, Boston, PE21 8PF
• Sold May 2022£115,000 | 3 Bed House14, Orchard Street, Boston, PE21 8PL14, Orchard Street, Boston, PE21 8PL
• Sold Feb 2022£144,000 | 4 Bed House9, Orchard Street, Boston, PE21 8PL9, Orchard Street, Boston, PE21 8PL
• Sold Jan 2022£125,000 | 4 Bed House10, Granville Street, Boston, PE21 8PF10, Granville Street, Boston, PE21 8PF
• Sold Jan 2022£129,950 | 4 Bed House76, Carlton Road, Boston, PE21 8PA76, Carlton Road, Boston, PE21 8PA
• Sold Nov 2020£125,000 | 3 Bed House42, Granville Street, Boston, PE21 8PF42, Granville Street, Boston, PE21 8PF
• Sold Oct 2020£105,000 | 3 Bed House11, Argyle Street, Boston, PE21 8PJ11, Argyle Street, Boston, PE21 8PJ
• Sold Dec 2019£113,000 | 4 Bed House12, Orchard Street, Boston, PE21 8PL12, Orchard Street, Boston, PE21 8PL
• Sold Dec 2018£125,000 | 4 Bed House56, Carlton Road, Boston, PE21 8PA56, Carlton Road, Boston, PE21 8PA

Of the 97 addresses on Castle Street, Boston, PE21, 70, Castle Street, Boston comes out as the 14th largest and the 20th most expensive in our analysis of the public data.

It is also £20k 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.