18, Constantine Road occupies a 114 m² plot as recorded by HM Land Registry.

Of the 16 other houses in this postcode, 15 have recorded plot sizes, and this one ranks as the 8th largest.

18, Constantine Road has an Energy Performance Rating (EPC) of F. This is based on the most recent assessment, dated 26 Jul 2023.

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

18, Constantine Road last changed hands on 3rd December 2025, selling for £1,900,000. The transaction was logged as a freehold house by HM Land Registry.

That is its only recorded sale since 1995.

The market for similar properties has risen by 23.2% since December 2025.

• Sold Dec 2025£1,900,000

Land Registry records and our Estate Agent network show 24 sales of comparable properties within 300 metres of 18, Constantine Road since 2010.

Most recently, 43, Agincourt Road, London, NW3 2PA, a freehold house, sold at £1,790,000 on the 28th March 2025.

Read more about house prices in NW3.

• Sold Mar 2025£1,790,000 | 5 Bed House43, Agincourt Road, London, NW3 2PA43, Agincourt Road, London, NW3 2PA
• Sold Jul 2024£1,400,000 | 4 Bed House22, Agincourt Road, London, NW3 2PD22, Agincourt Road, London, NW3 2PD
• Sold Dec 2022£1,600,000 | 4 Bed House12, Constantine Road, London, NW3 2NG12, Constantine Road, London, NW3 2NG
• Sold Nov 2022£1,500,000 | 4 Bed House29, Byron Mews, London, NW3 2NQ29, Byron Mews, London, NW3 2NQ
• Sold Sep 2022£1,910,000 | 4 Bed House20, Constantine Road, London, NW3 2NG20, Constantine Road, London, NW3 2NG
• Sold Aug 2022£1,780,000 | 4 Bed House6, Byron Mews, London, NW3 2NQ6, Byron Mews, London, NW3 2NQ
• Sold Jun 2022£2,125,000 | 4 Bed House14, Agincourt Road, London, NW3 2PD14, Agincourt Road, London, NW3 2PD
• Sold Jun 2021£1,645,000 | 4 Bed House4, Agincourt Road, London, NW3 2PD4, Agincourt Road, London, NW3 2PD
• Sold Mar 2021£1,555,000 | 4 Bed House21, Constantine Road, London, NW3 2LN21, Constantine Road, London, NW3 2LN
• Sold Jan 2020£1,275,000 | 4 Bed House6, Constantine Road, London, NW3 2NG6, Constantine Road, London, NW3 2NG
• Sold Sep 2019£1,650,000 | 4 Bed House37, Constantine Road, London, NW3 2LN37, Constantine Road, London, NW3 2LN
• Sold Jan 2019£1,588,000 | 4 Bed House8, Byron Mews, London, NW3 2NQ8, Byron Mews, London, NW3 2NQ
• Sold Aug 2018£1,800,000 | 4 Bed House9, Constantine Road, London, NW3 2LN9, Constantine Road, London, NW3 2LN
• Sold May 2016£1,775,000 | 4 Bed House45, Constantine Road, London, NW3 2LN45, Constantine Road, London, NW3 2LN
• Sold May 2014£1,800,000 | 4 Bed House7, Constantine Road, London, NW3 2LN7, Constantine Road, London, NW3 2LN
• Sold Nov 2013£1,675,000 | 4 Bed House17, Cressy Road, London, NW3 2NB17, Cressy Road, London, NW3 2NB
• Sold Oct 2011£1,175,000 | 4 Bed House57, Agincourt Road, London, NW3 2PA57, Agincourt Road, London, NW3 2PA
• Sold Nov 2010£975,000 | 4 Bed House23, Maryon Mews, London, NW3 2PU23, Maryon Mews, London, NW3 2PU
• Sold Nov 2010£763,000 | 4 Bed House49, Agincourt Road, London, NW3 2PA49, Agincourt Road, London, NW3 2PA
• Sold Jul 2010£1,150,000 | 4 Bed House33, Agincourt Road, London, NW3 2PA33, Agincourt Road, London, NW3 2PA

Our analysis of the public data ranks 18, Constantine Road as the 57th largest and the 48th most expensive of the 214 addresses on Constantine Road, London, NW3.

Against the NW3 postcode district average, it is £460k more expensive than the typical property.

• Fleet Primary School

  300 m away
• Rosary Catholic Primary School

  300 m away
• Gospel Oak Primary School

  800 m away

• William Ellis School

  1.0 km away
• Parliament Hill School

  1.1 km away
• La Sainte Union Catholic Secondary School

  1.2 km away

• Hampstead Heath

  |

  200 m away
• Belsize Park

  |

  400 m away
• Gospel Oak

  |

  900 m away

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