Flat D, 18, John Spencer Square has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 27 Jun 2025.

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

Flat D, 18, John Spencer Square last changed hands on 30th March 1999, selling for £180,000. The transaction was logged as a leasehold flat by HM Land Registry.

That is its only recorded sale since 1995.

Land Registry records and our Estate Agent network show 136 sales of comparable properties within 350 metres of Flat D, 18, John Spencer Square since 2021.

Most recently, Flat E, 11, Prior Bolton Street, London, N1 2NX, a leasehold flat, sold at £850,000 on the 5th June 2026.

Read more about house prices in N1.

• Sold Jun 2026£850,000 | 2 Bed FlatFlat E, 11, Prior Bolton Street, London, N1 2NXFlat E, 11, Prior Bolton Street, London, N1 2NX
• Sold May 2026£750,000 | 2 Bed FlatFlat A, 17, John Spencer Square, London, N1 2LZFlat A, 17, John Spencer Square, London, N1 2LZ
• Sold Jan 2026£900,000 | 2 Bed FlatFlat F, 11, Prior Bolton Street, London, N1 2NXFlat F, 11, Prior Bolton Street, London, N1 2NX
• Sold Oct 2025£910,000 | 2 Bed FlatFlat G, 7, Compton Road, London, N1 2PAFlat G, 7, Compton Road, London, N1 2PA
• Sold Sep 2025£875,000 | 2 Bed FlatFlat F, 9, Compton Road, London, N1 2PAFlat F, 9, Compton Road, London, N1 2PA
• Sold Jun 2025£680,000 | 2 Bed Flat92 Dixon Clark Court, Canonbury Road, London, N1 2WE92 Dixon Clark Court, Canonbury Road, London, N1 2WE
• Sold Feb 2025£800,000 | 2 Bed FlatFlat H, 18, John Spencer Square, London, N1 2LZFlat H, 18, John Spencer Square, London, N1 2LZ
• Sold Feb 2025£700,000 | 2 Bed Flat89 Dixon Clark Court, Canonbury Road, London, N1 2WE89 Dixon Clark Court, Canonbury Road, London, N1 2WE
• Sold Dec 2024£814,000 | 2 Bed Flat99 Dixon Clark Court, Canonbury Road, London, N1 2WE99 Dixon Clark Court, Canonbury Road, London, N1 2WE
• Sold Dec 2024£700,000 | 2 Bed Flat95 Dixon Clark Court, Canonbury Road, London, N1 2WE95 Dixon Clark Court, Canonbury Road, London, N1 2WE
• Sold Dec 2024£705,000 | 2 Bed Flat98 Dixon Clark Court, Canonbury Road, London, N1 2WE98 Dixon Clark Court, Canonbury Road, London, N1 2WE
• Sold Nov 2024£800,000 | 2 Bed Flat96 Dixon Clark Court, Canonbury Road, London, N1 2WE96 Dixon Clark Court, Canonbury Road, London, N1 2WE
• Sold Nov 2024£781,000 | 2 Bed Flat93 Dixon Clark Court, Canonbury Road, London, N1 2WE93 Dixon Clark Court, Canonbury Road, London, N1 2WE
• Sold Nov 2024£790,000 | 2 Bed Flat90 Dixon Clark Court, Canonbury Road, London, N1 2WE90 Dixon Clark Court, Canonbury Road, London, N1 2WE
• Sold May 2024£824,000 | 2 Bed FlatFlat C, 17, John Spencer Square, London, N1 2LZFlat C, 17, John Spencer Square, London, N1 2LZ
• Sold Mar 2023£775,000 | 2 Bed FlatFlat G, 17, John Spencer Square, London, N1 2LZFlat G, 17, John Spencer Square, London, N1 2LZ
• Sold Oct 2022£730,000 | 2 Bed FlatFlat E, 18, John Spencer Square, London, N1 2LZFlat E, 18, John Spencer Square, London, N1 2LZ
• Sold Oct 2022£785,000 | 2 Bed FlatFlat B, 17, John Spencer Square, London, N1 2LZFlat B, 17, John Spencer Square, London, N1 2LZ
• Sold Aug 2022£770,000 | 2 Bed FlatFlat H, 17, John Spencer Square, London, N1 2LZFlat H, 17, John Spencer Square, London, N1 2LZ
• Sold Aug 2021£820,000 | 2 Bed FlatFlat C, 9, Compton Road, London, N1 2PAFlat C, 9, Compton Road, London, N1 2PA

Agents in our network have reported 2 lettings of comparable properties within 350 metres of Flat D, 18, John Spencer Square across the last 2 years.

The newest of these is Flat 5, 14, Highbury New Park, London, N5 2DB, a leasehold flat let by Fine Living in October 2025.

• 
  Let agreed Oct 2025£ Undisclosed | 2 Bed FlatFlat 5, 14, Highbury New Park, London, N5 2DBFlat 5, 14, Highbury New Park, London, N5 2DB
• 
  Let agreed Feb 2025£ Undisclosed | 2 Bed FlatFlat H, 10, Compton Road, London, N1 2PAFlat H, 10, Compton Road, London, N1 2PA

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

Our analysis of the public data ranks Flat D, 18, John Spencer Square as the 35th largest and the 32nd most expensive of the 68 addresses on John Spencer Square, London, N1.

Against the N1 postcode district average, it is £35k more expensive than the typical property.

• Canonbury Primary School

  200 m away
• Laycock Primary School

  400 m away
• William Tyndale Primary School

  500 m away

• City of London Academy Highbury Grove

  400 m away
• Highbury Fields School

  800 m away
• City of London Academy Islington

  1.1 km away

• Highbury & Islington

  |

  200 m away
• Canonbury

  |

  500 m away

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