18, Seaton Square has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 15 Sep 2016.

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

18, Seaton Square last changed hands on 1st November 2007, selling for £261,500. The transaction was logged as a leasehold flat by HM Land Registry.

In total it has sold twice since 1995.

The market for similar properties has risen by 29.3% since November 2007.

• Sold Nov 2007£261,500
• Sold Oct 2002£219,950

Land Registry records and our Estate Agent network show 224 sales of comparable properties within 520 metres of 18, Seaton Square since 2017.

Most recently, Flat 4, Tamarind Court 1, Sanders Lane, London, NW7 1BJ, a leasehold flat, sold at £440,000 on the 6th March 2026.

Read more about house prices in NW7.

• Sold Mar 2026£440,000 | 2 Bed FlatFlat 4, Tamarind Court 1, Sanders Lane, London, NW7 1BJFlat 4, Tamarind Court 1, Sanders Lane, London, NW7 1BJ
• Sold Feb 2026£347,500 | 2 Bed Flat16, Seaton Square, London, NW7 1GB16, Seaton Square, London, NW7 1GB
• Sold Oct 2025£285,000 | 2 Bed FlatFlat 45, Farthing Court 33, Langstone Way, London, NW7 1GQFlat 45, Farthing Court 33, Langstone Way, London, NW7 1GQ
• Sold Aug 2025£295,000 | 2 Bed FlatFlat 1, Farthing Court 33, Langstone Way, London, NW7 1GQFlat 1, Farthing Court 33, Langstone Way, London, NW7 1GQ
• Sold Apr 2025£385,500 | 2 Bed Flat14, Seaton Square, London, NW7 1GB14, Seaton Square, London, NW7 1GB
• Sold Mar 2025£448,000 | 2 Bed Flat5, Seaton Square, London, NW7 1GB5, Seaton Square, London, NW7 1GB
• Sold Feb 2025£350,000 | 2 Bed Flat14, Thornbury Close, London, NW7 1HH14, Thornbury Close, London, NW7 1HH
• Sold Sep 2024£325,000 | 2 Bed FlatFlat 18, Farthing Court 33, Langstone Way, London, NW7 1GQFlat 18, Farthing Court 33, Langstone Way, London, NW7 1GQ
• Sold Sep 2024£385,000 | 2 Bed FlatFlat 21, Paveley Court 30, Langstone Way, London, NW7 1GRFlat 21, Paveley Court 30, Langstone Way, London, NW7 1GR
• Sold Feb 2024£400,000 | 2 Bed Flat9, Shillingford Close, London, NW7 1HQ9, Shillingford Close, London, NW7 1HQ
• Sold Oct 2023£395,000 | 2 Bed Flat46, Shillingford Close, London, NW7 1HQ46, Shillingford Close, London, NW7 1HQ
• Sold Jul 2023£395,000 | 2 Bed Flat29, Shillingford Close, London, NW7 1HQ29, Shillingford Close, London, NW7 1HQ
• Sold Feb 2022£360,000 | 2 Bed Flat9, Seaton Square, London, NW7 1GB9, Seaton Square, London, NW7 1GB
• Sold Jun 2021£420,000 | 2 Bed Flat20, Seaton Square, London, NW7 1GB20, Seaton Square, London, NW7 1GB
• Sold Apr 2021£400,000 | 2 Bed Flat40, Shillingford Close, London, NW7 1HQ40, Shillingford Close, London, NW7 1HQ
• Sold Apr 2021£376,000 | 2 Bed Flat32, Shillingford Close, London, NW7 1HQ32, Shillingford Close, London, NW7 1HQ
• Sold Mar 2021£400,000 | 2 Bed Flat38, Shillingford Close, London, NW7 1HQ38, Shillingford Close, London, NW7 1HQ
• Sold Mar 2020£330,000 | 2 Bed Flat25, Shillingford Close, London, NW7 1HQ25, Shillingford Close, London, NW7 1HQ
• Sold May 2019£364,000 | 2 Bed Flat12, Seaton Square, London, NW7 1GB12, Seaton Square, London, NW7 1GB
• Sold Mar 2017£378,000 | 2 Bed Flat7, Seaton Square, London, NW7 1GB7, Seaton Square, London, NW7 1GB

Our analysis of the public data ranks 18, Seaton Square as the 12th largest and the 12th most expensive of the 20 addresses on Seaton Square, London, NW7.

Against the NW7 postcode district average, it is £346k less expensive than the typical property.

• Millbrook Park Primary School

  700 m away
• Dollis Primary School

  700 m away
• St Mary's CofE Primary School

  1.1 km away

• Hasmonean High School for Boys

  1.2 km away
• Copthall School

  1.2 km away
• Hasmonean High School for Girls

  1.3 km away

• Mill Hill East

  |

  400 m away
• Finchley Central

  |

  1.7 km away
• West Finchley

  |

  1.8 km away

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