20, Theseus Walk has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 26 May 2020.

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

20, Theseus Walk last changed hands on 25th May 2022, selling for £600,000. 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 dropped by 4.2% since May 2022.

• Sold May 2022£600,000
• Sold Jun 2007£325,000

Land Registry records and our Estate Agent network show 33 sales of comparable properties within 260 metres of 20, Theseus Walk since 2009.

Most recently, 51, Elia Street, London, N1 8DF, a leasehold flat, sold at £600,000 on the 10th December 2025.

Read more about house prices in N1.

• Sold Dec 2025£600,000 | 2 Bed Flat51, Elia Street, London, N1 8DF51, Elia Street, London, N1 8DF
• Sold Jan 2025£560,000 | 2 Bed FlatFlat 21, Angel Point 330-336, City Road, London, EC1V 2PZFlat 21, Angel Point 330-336, City Road, London, EC1V 2PZ
• Sold Dec 2024£620,000 | 2 Bed Flat18, Theseus Walk, London, N1 8DS18, Theseus Walk, London, N1 8DS
• Sold Oct 2024£565,000 | 2 Bed Flat68, Theseus Walk, London, N1 8DS68, Theseus Walk, London, N1 8DS
• Sold Jan 2024£543,000 | 2 Bed Flat40, Theseus Walk, London, N1 8DS40, Theseus Walk, London, N1 8DS
• Sold Jul 2023£560,000 | 2 Bed FlatFlat 11, Langdon Court, City Road, London, EC1V 1LHFlat 11, Langdon Court, City Road, London, EC1V 1LH
• Sold Oct 2022£580,000 | 2 Bed FlatFlat 3, 8, Noel Road, London, N1 8HAFlat 3, 8, Noel Road, London, N1 8HA
• Sold Jul 2022£570,000 | 2 Bed FlatFlat 17, Angel Point 330-336, City Road, London, EC1V 2PZFlat 17, Angel Point 330-336, City Road, London, EC1V 2PZ
• Sold May 2022£530,000 | 2 Bed FlatFlat 4, Angel Point 330-336, City Road, London, EC1V 2PZFlat 4, Angel Point 330-336, City Road, London, EC1V 2PZ
• Sold Apr 2022£545,000 | 2 Bed Flat65, Elia Street, London, N1 8DF65, Elia Street, London, N1 8DF
• Sold Mar 2022£500,000 | 2 Bed FlatFlat 17, Widford House, Colebrooke Row, London, N1 8DDFlat 17, Widford House, Colebrooke Row, London, N1 8DD
• Sold Dec 2020£550,000 | 2 Bed Flat33, Elia Street, London, N1 8DF33, Elia Street, London, N1 8DF
• Sold May 2018£443,000 | 2 Bed Flat56, Theseus Walk, London, N1 8DS56, Theseus Walk, London, N1 8DS
• Sold Dec 2017£550,000 | 2 Bed FlatFlat 11, Angel Point 330-336, City Road, London, EC1V 2PZFlat 11, Angel Point 330-336, City Road, London, EC1V 2PZ
• Sold Oct 2016£580,000 | 2 Bed FlatFlat 9, Angel Point 330-336, City Road, London, EC1V 2PZFlat 9, Angel Point 330-336, City Road, London, EC1V 2PZ
• Sold Aug 2016£499,999 | 2 Bed FlatFlat 7, Langdon Court, City Road, London, EC1V 1LHFlat 7, Langdon Court, City Road, London, EC1V 1LH
• Sold Mar 2016£575,000 | 2 Bed Flat16, Angelis Apartments 69, Graham Street, London, N1 8LH16, Angelis Apartments 69, Graham Street, London, N1 8LH
• Sold Oct 2014£520,000 | 2 Bed Flat28, Theseus Walk, London, N1 8DS28, Theseus Walk, London, N1 8DS
• Sold Oct 2013£370,000 | 2 Bed Flat42, Theseus Walk, London, N1 8DS42, Theseus Walk, London, N1 8DS
• Sold Dec 2009£352,000 | 2 Bed Flat83, Elia Street, London, N1 8DF83, Elia Street, London, N1 8DF

Agents in our network have reported 1 letting within 260 metres of 20, Theseus Walk across the last 2 years.

The newest of these is Flat 8, 12, Graham Street, London, N1 8GB, a leasehold flat let by Fine Living in May 2021.

• 
  Let May 2021£ Undisclosed | 1 Bed FlatFlat 8, 12, Graham Street, London, N1 8GBFlat 8, 12, Graham Street, London, N1 8GB

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

Our analysis of the public data ranks 20, Theseus Walk as the 17th largest and the 17th most expensive of the 69 addresses on Theseus Walk, London, N1.

Against the N1 postcode district average, it is £250k less expensive than the typical property.

• Hanover Primary School

  100 m away
• Moreland Primary School

  400 m away
• St John Evangelist Catholic Primary School

  400 m away

• City of London Academy Islington

  500 m away
• Elizabeth Garrett Anderson School

  900 m away
• Central Foundation Boys' School

  1.2 km away

• Angel

  |

  400 m away
• Essex Road

  |

  1.0 km away
• Old Street

  |

  1.0 km away

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