HM Land Registry records the plot of land for 4, Cornwall Avenue as measuring 182 m².

That makes it the 6th largest plot in the postcode, where all 7 other houses have recorded plot data.

4, Cornwall Avenue has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 29 Jun 2023.

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

The most recent sale of 4, Cornwall Avenue completed on 17th April 1998 at £211,000 and was recorded by HM Land Registry as a freehold house.

Since 1995 this is the property's only sale.

• Sold Apr 1998£211,000

Since 2007 70 properties similar to 4, Cornwall Avenue have sold within a radius of 390 metres, per the Land Registry and our network of Estate Agents.

The latest, on the 14th October 2025, was 137, Ballards Lane, London, N3 1LJ, a freehold house which sold for £775,000.

Read more about house prices in N3.

• Sold Oct 2025£775,000 | 4 Bed House137, Ballards Lane, London, N3 1LJ137, Ballards Lane, London, N3 1LJ
• Sold Jul 2025£835,000 | 4 Bed House27, Wentworth Park, London, N3 1YE27, Wentworth Park, London, N3 1YE
• Sold Jun 2024£985,000 | 4 Bed House39, Cornwall Avenue, London, N3 1LG39, Cornwall Avenue, London, N3 1LG
• Sold Aug 2023£1,100,000 | 4 Bed House11, Claverley Grove, London, N3 2DG11, Claverley Grove, London, N3 2DG
• Sold Jun 2023£1,050,000 | 4 Bed House44, Princes Avenue, London, N3 2DB44, Princes Avenue, London, N3 2DB
• Sold Oct 2022£912,000 | 4 Bed House39, Howcroft Crescent, London, N3 1PA39, Howcroft Crescent, London, N3 1PA
• Sold Mar 2022£825,000 | 4 Bed House23, Cornwall Avenue, London, N3 1LH23, Cornwall Avenue, London, N3 1LH
• Sold Dec 2021£1,005,000 | 4 Bed House18, Claverley Grove, London, N3 2DH18, Claverley Grove, London, N3 2DH
• Sold Sep 2021£1,048,500 | 4 Bed House11, Lansdowne Road, London, N3 1ET11, Lansdowne Road, London, N3 1ET
• Sold Apr 2021£910,000 | 4 Bed House26, Princes Avenue, London, N3 2DB26, Princes Avenue, London, N3 2DB
• Sold Mar 2021£920,000 | 4 Bed House355, Nether Street, London, N3 1JN355, Nether Street, London, N3 1JN
• Sold Mar 2021£920,000 | 4 Bed House36, Claverley Grove, London, N3 2DH36, Claverley Grove, London, N3 2DH
• Sold Mar 2021£1,110,000 | 4 Bed House353, Nether Street, London, N3 1JN353, Nether Street, London, N3 1JN
• Sold Aug 2020£520,000 | 4 Bed House12, Princes Avenue, London, N3 2DB12, Princes Avenue, London, N3 2DB
• Sold May 2019£820,000 | 4 Bed House16, Grove Avenue, London, N3 1QP16, Grove Avenue, London, N3 1QP
• Sold Apr 2019£734,000 | 4 Bed House14, Grove Avenue, London, N3 1QP14, Grove Avenue, London, N3 1QP
• Sold Aug 2018£835,000 | 4 Bed House20, Grove Avenue, London, N3 1QP20, Grove Avenue, London, N3 1QP
• Sold Apr 2018£837,000 | 4 Bed House28, Princes Avenue, London, N3 2DB28, Princes Avenue, London, N3 2DB
• Sold Aug 2012£532,000 | 4 Bed House3, Cornwall Avenue, London, N3 1LH3, Cornwall Avenue, London, N3 1LH
• Sold May 2007£429,000 | 4 Bed House7, Cornwall Avenue, London, N3 1LH7, Cornwall Avenue, London, N3 1LH

Of the 52 addresses on Cornwall Avenue, London, N3, 4, Cornwall Avenue comes out as the 9th largest and the 22nd most expensive in our analysis of the public data.

It is also £121k more expensive than the average property across the N3 district.

• Moss Hall Junior School

  600 m away
• Moss Hall Infant School

  600 m away
• St Mary's CofE Primary School

  700 m away

• St Michael's Catholic Grammar School

  1.2 km away
• Bishop Douglass School Finchley

  1.4 km away
• Christ's College Finchley

  1.5 km away

• Finchley Central

  |

  400 m away
• West Finchley

  |

  500 m away
• Mill Hill East

  |

  1.4 km away

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