23, Robert Street, Northampton occupies a 89 m² plot as recorded by HM Land Registry.

Of the 15 other houses in this postcode, 11 have recorded plot sizes, and this one ranks as the 3rd largest.

23, Robert Street, Northampton has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 11 Mar 2013.

The property is not connected to mains gas and has mostly double glazing. It is heated using a boiler and radiators (mains gas).

23, Robert Street, Northampton last changed hands on 28th June 2013, selling for £128,500. 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 88.8% since June 2013.

• Sold Jun 2013£128,500
• Sold Jul 1999£53,000

Land Registry records and our Estate Agent network show 139 sales of comparable properties within 350 metres of 23, Robert Street, Northampton since 2018.

Most recently, 94, Louise Road, Northampton, NN1 3RR, a freehold house, sold at £185,000 on the 1st May 2026.

Read more about house prices in NN1.

• Sold May 2026£185,000 | 3 Bed House94, Louise Road, Northampton, NN1 3RR94, Louise Road, Northampton, NN1 3RR
• Sold Apr 2026£175,000 | 3 Bed House32, Cranstoun Street, Northampton, NN1 3BH32, Cranstoun Street, Northampton, NN1 3BH
• Sold Mar 2026£200,000 | 3 Bed House60, Louise Road, Northampton, NN1 3RR60, Louise Road, Northampton, NN1 3RR
• Sold Dec 2025£200,000 | 3 Bed House19, Overstone Road, Northampton, NN1 3JL19, Overstone Road, Northampton, NN1 3JL
• Sold Aug 2025£200,000 | 3 Bed House96, Bailiff Street, Northampton, NN1 3EA96, Bailiff Street, Northampton, NN1 3EA
• Sold Jul 2025£150,500 | 3 Bed House5, Margaret Street, Northampton, NN1 3BW5, Margaret Street, Northampton, NN1 3BW
• Sold Jun 2025£180,000 | 3 Bed House29, Cranstoun Street, Northampton, NN1 3BH29, Cranstoun Street, Northampton, NN1 3BH
• Sold May 2025£227,000 | 3 Bed House20, Oakley Street, Northampton, NN1 3EP20, Oakley Street, Northampton, NN1 3EP
• Sold Oct 2024£180,000 | 3 Bed House1, Oakley Street, Northampton, NN1 3EP1, Oakley Street, Northampton, NN1 3EP
• Sold Jul 2024£160,000 | 3 Bed House13, Connaught Street, Northampton, NN1 3BP13, Connaught Street, Northampton, NN1 3BP
• Sold Jan 2023£190,000 | 3 Bed House105, Bailiff Street, Northampton, NN1 3EA105, Bailiff Street, Northampton, NN1 3EA
• Sold Sep 2022£225,000 | 3 Bed House37, Robert Street, Northampton, NN1 3BL37, Robert Street, Northampton, NN1 3BL
• Sold Sep 2022£190,000 | 3 Bed House30, Cranstoun Street, Northampton, NN1 3BH30, Cranstoun Street, Northampton, NN1 3BH
• Sold Feb 2022£170,000 | 3 Bed House33, Margaret Street, Northampton, NN1 3BW33, Margaret Street, Northampton, NN1 3BW
• Sold Jan 2022£205,000 | 3 Bed House29, Margaret Street, Northampton, NN1 3BW29, Margaret Street, Northampton, NN1 3BW
• Sold Oct 2021£188,000 | 3 Bed House16, Cranstoun Street, Northampton, NN1 3BH16, Cranstoun Street, Northampton, NN1 3BH
• Sold Sep 2021£190,000 | 3 Bed House34, Margaret Street, Northampton, NN1 3BW34, Margaret Street, Northampton, NN1 3BW
• Sold Jun 2021£208,000 | 3 Bed House22, Margaret Street, Northampton, NN1 3BW22, Margaret Street, Northampton, NN1 3BW
• Sold Jul 2020£175,000 | 2 Bed House45, Robert Street, Northampton, NN1 3BL45, Robert Street, Northampton, NN1 3BL
• Sold Dec 2018£160,000 | 3 Bed House32, Margaret Street, Northampton, NN1 3BW32, Margaret Street, Northampton, NN1 3BW

Our analysis of the public data ranks 23, Robert Street, Northampton as the 15th largest and the 12th most expensive of the 94 addresses on Robert Street, Northampton, NN1.

Against the NN1 postcode district average, it is £11k more expensive than the typical property.

• Castle Academy

  400 m away
• Spring Lane Primary School

  600 m away
• Vernon Terrace Primary School

  1.1 km away

• Malcolm Arnold Academy

  1.3 km away
• Northampton School for Boys

  1.8 km away
• Northampton School for Girls

  2.9 km away

• Northampton

  |

  1.0 km away
• Long Buckby

  |

  14.3 km away
• Wellingborough

  |

  16.3 km away

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