HM Land Registry records the plot of land for 6, Thirlmere Avenue, Northampton as measuring 391 m².

That makes it the 5th largest plot in the postcode, where 23 of the 28 other houses have recorded plot data.

6, Thirlmere Avenue, Northampton has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 19 Feb 2009.

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

The most recent sale of 6, Thirlmere Avenue, Northampton completed on 4th September 2009 at £128,000 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 167.4% over the period since September 2009.

• Sold Sep 2009£128,000

Since 2014 186 properties similar to 6, Thirlmere Avenue, Northampton have sold within a radius of 600 metres, per the Land Registry and our network of Estate Agents.

The latest, on the 10th April 2026, was 219, The Headlands, Northampton, NN3 2NU, a freehold house which sold for £300,000.

Read more about house prices in NN3.

• Sold Apr 2026£300,000 | 3 Bed House219, The Headlands, Northampton, NN3 2NU219, The Headlands, Northampton, NN3 2NU
• Sold Jan 2026£310,000 | 4 Bed House157, The Headlands, Northampton, NN3 2NU157, The Headlands, Northampton, NN3 2NU
• Sold Dec 2025£245,000 | 3 Bed House268, The Headlands, Northampton, NN3 2NT268, The Headlands, Northampton, NN3 2NT
• Sold Oct 2025£315,000 | 4 Bed House23, Bushland Road, Northampton, NN3 2NS23, Bushland Road, Northampton, NN3 2NS
• Sold Sep 2025£285,000 | 3 Bed House4, Thirlmere Avenue, Northampton, NN3 2QN4, Thirlmere Avenue, Northampton, NN3 2QN
• Sold Jul 2025£315,000 | 3 Bed House117, Bush Hill, Northampton, NN3 2PF117, Bush Hill, Northampton, NN3 2PF
• Sold May 2025£280,000 | 3 Bed House197, Fullingdale Road, Northampton, NN3 2QH197, Fullingdale Road, Northampton, NN3 2QH
• Sold Dec 2024£257,000 | 3 Bed House254, The Headlands, Northampton, NN3 2NT254, The Headlands, Northampton, NN3 2NT
• Sold Apr 2024£235,000 | 3 Bed House211, Fullingdale Road, Northampton, NN3 2QH211, Fullingdale Road, Northampton, NN3 2QH
• Sold Feb 2024£315,000 | 3 Bed House7, Debdale Road, Northampton, NN3 2TR7, Debdale Road, Northampton, NN3 2TR
• Sold Dec 2023£305,000 | 4 Bed House23, Debdale Road, Northampton, NN3 2TR23, Debdale Road, Northampton, NN3 2TR
• Sold Oct 2022£215,000 | 3 Bed House185, Fullingdale Road, Northampton, NN3 2QH185, Fullingdale Road, Northampton, NN3 2QH
• Sold Jan 2022£266,000 | 3 Bed House247, The Headlands, Northampton, NN3 2NU247, The Headlands, Northampton, NN3 2NU
• Sold Mar 2021£220,000 | 3 Bed House217, Fullingdale Road, Northampton, NN3 2QH217, Fullingdale Road, Northampton, NN3 2QH
• Sold Mar 2021£195,000 | 3 Bed House248, The Headlands, Northampton, NN3 2NT248, The Headlands, Northampton, NN3 2NT
• Sold Feb 2021£244,995 | 3 Bed House258, The Headlands, Northampton, NN3 2NT258, The Headlands, Northampton, NN3 2NT
• Sold Jan 2021£228,000 | 3 Bed House5, Thirlmere Avenue, Northampton, NN3 2QN5, Thirlmere Avenue, Northampton, NN3 2QN
• Sold Aug 2020£230,000 | 3 Bed House256, The Headlands, Northampton, NN3 2NT256, The Headlands, Northampton, NN3 2NT
• Sold Mar 2015£164,950 | 3 Bed House227, The Headlands, Northampton, NN3 2NU227, The Headlands, Northampton, NN3 2NU
• Sold May 2014£168,000 | 3 Bed House231, The Headlands, Northampton, NN3 2NU231, The Headlands, Northampton, NN3 2NU

Of the 28 addresses on Thirlmere Avenue, Northampton, NN3, 6, Thirlmere Avenue, Northampton comes out as the 5th largest and the 5th most expensive in our analysis of the public data.

It is also £19k more expensive than the average property across the NN3 district.

• St Gregory's Catholic Primary School

  200 m away
• Headlands Primary School

  400 m away
• The Arbours Primary Academy

  500 m away

• Weston Favell Academy

  500 m away
• St Thomas Becket Catholic School

  1.2 km away
• Northampton Academy

  1.3 km away

• Northampton

  |

  4.5 km away
• Wellingborough

  |

  12.9 km away
• Long Buckby

  |

  16.3 km away

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