21, West Street, Northampton occupies a 280 m² plot as recorded by HM Land Registry.

All 17 other houses in this postcode have recorded plot sizes, and this one ranks as the 5th largest.

21, West Street, Northampton has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 28 Apr 2021.

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

21, West Street, Northampton last changed hands on 28th February 2022, selling for £450,000. The transaction was logged as a freehold house by HM Land Registry.

In total it has sold twice since 1995.

The market for similar properties has risen by 8.9% since February 2022.

• Sold Feb 2022£450,000
• Sold Feb 2009£305,345

Land Registry records and our Estate Agent network show 34 sales of comparable properties within 730 metres of 21, West Street, Northampton since 2010.

Most recently, 21, Ashby Wood Drive, Northampton, NN5 4DQ, a freehold house, sold at £475,000 on the 28th November 2025.

Read more about house prices in NN5.

• Sold Nov 2025£475,000 | 5 Bed House21, Ashby Wood Drive, Northampton, NN5 4DQ21, Ashby Wood Drive, Northampton, NN5 4DQ
• Sold Nov 2025£422,000 | 3 Bed House17, West Street, Northampton, NN5 4EP17, West Street, Northampton, NN5 4EP
• Sold Mar 2025£445,000 | 5 Bed House8, Mill Street, Northampton, NN5 4DH8, Mill Street, Northampton, NN5 4DH
• Sold Nov 2024£492,000 | 5 Bed House10, Parkside, Northampton, NN5 4EQ10, Parkside, Northampton, NN5 4EQ
• Sold Jul 2024£385,000 | 5 Bed House2, Da Vinci Close, Northampton, NN5 4AH2, Da Vinci Close, Northampton, NN5 4AH
• Sold May 2024£400,000 | 5 Bed House1, Saxon Lane, Northampton, NN5 4DJ1, Saxon Lane, Northampton, NN5 4DJ
• Sold Feb 2022£1,150,000 | 3 Bed HouseUpton Mill, Northampton, NN5 4UYUpton Mill, Northampton, NN5 4UY
• Sold Aug 2021£599,750 | 5 Bed House3, Lawnside, Northampton, NN5 4XZ3, Lawnside, Northampton, NN5 4XZ
• Sold Jan 2021£395,000 | 5 Bed House1, Bassett Lowke Drive, Northampton, NN5 4AN1, Bassett Lowke Drive, Northampton, NN5 4AN
• Sold Aug 2019£350,000 | 5 Bed House19, West Street, Northampton, NN5 4EP19, West Street, Northampton, NN5 4EP
• Sold Nov 2018£500,000 | 5 Bed House26, Parkside, Northampton, NN5 4EQ26, Parkside, Northampton, NN5 4EQ
• Sold Aug 2018£282,000 | 5 Bed House7, West Street, Northampton, NN5 4EP7, West Street, Northampton, NN5 4EP
• Sold Feb 2018£295,000 | 5 Bed House5, West Street, Northampton, NN5 4EP5, West Street, Northampton, NN5 4EP
• Sold Sep 2017£392,500 | 5 Bed House3, Bassett Lowke Drive, Northampton, NN5 4AN3, Bassett Lowke Drive, Northampton, NN5 4AN
• Sold Jul 2017£325,000 | 5 Bed House1, West Street, Northampton, NN5 4EP1, West Street, Northampton, NN5 4EP
• Sold Sep 2016£340,000 | 5 Bed House19, Ashby Wood Drive, Northampton, NN5 4DQ19, Ashby Wood Drive, Northampton, NN5 4DQ
• Sold Nov 2015£373,000 | 5 Bed House12, Parkside, Northampton, NN5 4EQ12, Parkside, Northampton, NN5 4EQ
• Sold Aug 2015£318,500 | 5 Bed House15, Saxon Lane, Northampton, NN5 4DJ15, Saxon Lane, Northampton, NN5 4DJ
• Sold Mar 2014£286,000 | 5 Bed House31, Ashby Wood Drive, Northampton, NN5 4DQ31, Ashby Wood Drive, Northampton, NN5 4DQ
• Sold Oct 2010£329,999 | 5 Bed House33, Ashby Wood Drive, Northampton, NN5 4DQ33, Ashby Wood Drive, Northampton, NN5 4DQ

Agents in our network have reported 1 letting of a comparable property within 730 metres of 21, West Street, Northampton across the last 2 years.

The newest of these is 40, Parkside, Northampton, NN5 4EQ, a freehold house let by Newman Property Experts in February 2022.

• 
  Let Feb 2022£ Undisclosed | 5 Bed House40, Parkside, Northampton, NN5 4EQ40, Parkside, Northampton, NN5 4EQ

•Nearby is defined as the radius comprising the nearest 2,000 addresses.

Our analysis of the public data ranks 21, West Street, Northampton as the 10th largest and the 10th most expensive of the 128 addresses on West Street, Upton, Northampton, NN5.

Against the NN5 postcode district average, it is £241k more expensive than the typical property.

• Upton Meadows Primary School

  300 m away
• Millway Primary School

  1.0 km away
• Pineham Barns Primary School

  1.1 km away

• Abbeyfield School

  3.2 km away
• Campion School

  4.2 km away

• Northampton

  |

  2.7 km away
• Long Buckby

  |

  12.0 km away
• Wellingborough

  |

  19.9 km away

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