According to data from HM Land Registry, 21, Cornwall Avenue sits on a plot of 165 m².

We have plot size data on 37 out of 38 other houses in the postcode and 21, Cornwall Avenue sits on the 3rd largest plot.

21, Cornwall Avenue has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 02 Jun 2015.

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

According to HM Land Registry, 21, Cornwall Avenue was last sold on 19th August 2015 for £839,950 and was recorded as a freehold house.

The property has had 3 sales since 1995.

Since August 2015, the market for similar properties has dropped by 1.5%.

• Sold Aug 2015£839,950
• Sold Jul 2009£435,000
• Sold Jun 2002£286,000

According to the Land Registry and our network of Estate Agents, there have been 40 sales of properties similar to 21, Cornwall Avenue within a radius of 390 metres since 2011.

The most recent example is 22, Barratt Avenue, London, N22 7EZ, a freehold house which sold for £1,122,500 on the 30th July 2025.

Read more about house prices in N22.

• Sold Jul 2025£1,122,500 | 4 Bed House22, Barratt Avenue, London, N22 7EZ22, Barratt Avenue, London, N22 7EZ
• Sold Jul 2025£1,140,000 | 4 Bed House30, Braemar Avenue, London, N22 7BY30, Braemar Avenue, London, N22 7BY
• Sold Jun 2025£1,060,000 | 4 Bed House23, Braemar Avenue, London, N22 7BY23, Braemar Avenue, London, N22 7BY
• Sold Mar 2025£858,000 | 4 Bed House31, Northcott Avenue, London, N22 7DB31, Northcott Avenue, London, N22 7DB
• Sold Mar 2025£1,060,000 | 4 Bed House38, Braemar Avenue, London, N22 7BY38, Braemar Avenue, London, N22 7BY
• Sold Mar 2025£1,050,000 | 4 Bed House23, Cornwall Avenue, London, N22 7DA23, Cornwall Avenue, London, N22 7DA
• Sold Mar 2025£975,000 | 4 Bed House22, Braemar Avenue, London, N22 7BY22, Braemar Avenue, London, N22 7BY
• Sold Dec 2024£1,051,000 | 4 Bed House30, Cornwall Avenue, London, N22 7DA30, Cornwall Avenue, London, N22 7DA
• Sold Jul 2023£775,000 | 4 Bed House29, Braemar Avenue, London, N22 7BY29, Braemar Avenue, London, N22 7BY
• Sold Aug 2022£920,000 | 4 Bed House24, Northcott Avenue, London, N22 7DB24, Northcott Avenue, London, N22 7DB
• Sold Sep 2021£1,025,000 | 4 Bed House30, Northcott Avenue, London, N22 7DB30, Northcott Avenue, London, N22 7DB
• Sold Aug 2021£890,000 | 4 Bed House19, Northcott Avenue, London, N22 7DB19, Northcott Avenue, London, N22 7DB
• Sold May 2021£857,000 | 4 Bed House17, Cornwall Avenue, London, N22 7DA17, Cornwall Avenue, London, N22 7DA
• Sold May 2021£950,000 | 4 Bed House32, Northcott Avenue, London, N22 7DB32, Northcott Avenue, London, N22 7DB
• Sold Aug 2018£875,000 | 4 Bed House46, Braemar Avenue, London, N22 7BY46, Braemar Avenue, London, N22 7BY
• Sold Jun 2017£810,000 | 4 Bed House28, Cornwall Avenue, London, N22 7DA28, Cornwall Avenue, London, N22 7DA
• Sold Mar 2017£730,000 | 4 Bed House4, Cornwall Avenue, London, N22 7DA4, Cornwall Avenue, London, N22 7DA
• Sold Dec 2015£815,000 | 4 Bed House8, Braemar Avenue, London, N22 7BY8, Braemar Avenue, London, N22 7BY
• Sold Sep 2014£655,000 | 4 Bed House36, Braemar Avenue, London, N22 7BY36, Braemar Avenue, London, N22 7BY
• Sold Jan 2011£360,000 | 4 Bed House24, Cornwall Avenue, London, N22 7DA24, Cornwall Avenue, London, N22 7DA

Cornwall Avenue, London, N22 has a total of 57 addresses. According to our analysis of all the public data, 21, Cornwall Avenue is the 3rd largest and the 3rd most expensive property on the street.

When compared to the postcode district it is £483k more expensive than the average property in N22.

• Lift Trinity

  400 m away
• St Michael's CofE Primary School

  400 m away
• St Paul's Catholic Primary School

  400 m away

• Heartlands High School

  300 m away
• St Thomas More Catholic School

  800 m away
• Mulberry Academy Woodside

  1.3 km away

• Alexandra Palace

  |

  300 m away
• Wood Green

  |

  700 m away
• Bowes Park

  |

  700 m away

According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.