21, The Square, Northampton occupies a 152 m² plot as recorded by HM Land Registry.

Of the 16 other houses in this postcode, 14 have recorded plot sizes, and this one ranks as the 6th largest.

21, The Square, Northampton has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 27 Jun 2025.

The property is connected to mains gas and has mostly double glazing. It is heated using a boiler and radiators (mains gas).

21, The Square, Northampton last changed hands on 5th December 2025, selling for £190,000. The transaction was logged as a freehold house by HM Land Registry.

In total it has sold 4 times since 1995.

The market for similar properties has risen by 1.0% since December 2025.

• Sold Dec 2025£190,000
• Sold Jul 2001£101,950
• Sold Jun 1999£79,000

Land Registry records and our Estate Agent network show 69 sales of comparable properties within 680 metres of 21, The Square, Northampton since 2019.

Most recently, 114, Station Road, Northampton, NN6 0NX, a freehold house, sold at £278,000 on the 2nd March 2026.

Read more about house prices in NN6.

• Sold Mar 2026£278,000 | 3 Bed House114, Station Road, Northampton, NN6 0NX114, Station Road, Northampton, NN6 0NX
• Sold Oct 2025£235,000 | 4 Bed House21, North Road, Northampton, NN6 0LW21, North Road, Northampton, NN6 0LW
• Sold Sep 2025£287,500 | 3 Bed House18, King Street, Northampton, NN6 0LQ18, King Street, Northampton, NN6 0LQ
• Sold Aug 2025£275,000 | 3 Bed House5, West Way, Northampton, NN6 0HB5, West Way, Northampton, NN6 0HB
• Sold Jul 2025£240,000 | 3 Bed House41, North Road, Northampton, NN6 0LP41, North Road, Northampton, NN6 0LP
• Sold Jun 2025£247,000 | 3 Bed House2, Austins Yard, Northampton, NN6 0JL2, Austins Yard, Northampton, NN6 0JL
• Sold May 2025£265,000 | 3 Bed House15, Harcourt Square, Northampton, NN6 0NB15, Harcourt Square, Northampton, NN6 0NB
• Sold May 2025£255,000 | 3 Bed House30, Victoria Street, Northampton, NN6 0LJ30, Victoria Street, Northampton, NN6 0LJ
• Sold Nov 2024£290,000 | 3 Bed House104, Station Road, Northampton, NN6 0NX104, Station Road, Northampton, NN6 0NX
• Sold Oct 2024£280,000 | 3 Bed House26, King Street, Northampton, NN6 0LQ26, King Street, Northampton, NN6 0LQ
• Sold Sep 2024£285,000 | 3 Bed House29, Tebbutts Yard, Northampton, NN6 0JN29, Tebbutts Yard, Northampton, NN6 0JN
• Sold Jul 2024£242,000 | 3 Bed House8, Queen Street, Northampton, NN6 0LN8, Queen Street, Northampton, NN6 0LN
• Sold Jan 2024£250,000 | 3 Bed House9, King Street, Northampton, NN6 0LQ9, King Street, Northampton, NN6 0LQ
• Sold Dec 2023£245,000 | 3 Bed House28, King Street, Northampton, NN6 0LQ28, King Street, Northampton, NN6 0LQ
• Sold Nov 2023£275,000 | 3 Bed House14, King Street, Northampton, NN6 0LQ14, King Street, Northampton, NN6 0LQ
• Sold Sep 2023£282,500 | 4 Bed House5, North Road, Northampton, NN6 0LW5, North Road, Northampton, NN6 0LW
• Sold Oct 2022£263,000 | 3 Bed House27, Victoria Street, Northampton, NN6 0LJ27, Victoria Street, Northampton, NN6 0LJ
• Sold Sep 2022£267,500 | 3 Bed House2, Victoria Street, Northampton, NN6 0LJ2, Victoria Street, Northampton, NN6 0LJ
• Sold Jan 2021£210,000 | 3 Bed House31, North Road, Northampton, NN6 0LP31, North Road, Northampton, NN6 0LP
• Sold Dec 2019£190,000 | 3 Bed House19, The Square, Northampton, NN6 0NA19, The Square, Northampton, NN6 0NA

Our analysis of the public data ranks 21, The Square, Northampton as the 3rd largest and the 4th most expensive of the 23 addresses on The Square, Earls Barton, Northampton, NN6.

Against the NN6 postcode district average, it is £157k less expensive than the typical property.

• Earls Barton Primary School

  200 m away
• Ecton Village Primary School

  2.5 km away
• Great Doddington Primary

  3.2 km away

• Weavers Academy

  4.9 km away
• Northampton Academy

  5.6 km away
• Wrenn School

  5.6 km away

• Wellingborough

  |

  6.7 km away
• Northampton

  |

  10.9 km away
• Kettering

  |

  14.4 km away

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