20, Cornwallis Square has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 27 Dec 2016.

The property is not connected to mains gas and has fully double glazed windows. It is heated using electric storage heaters.

According to the Land Registry and our network of Estate Agents, there have been 17 sales of properties similar to 20, Cornwallis Square within a radius of 260 metres since 2007.

The most recent example is Flat 8, Eddison Court 253, Sussex Way, London, N19 4DW, a leasehold flat which sold for £415,000 on the 6th March 2026.

Read more about house prices in N19.

• Sold Mar 2026£415,000 | 2 Bed FlatFlat 8, Eddison Court 253, Sussex Way, London, N19 4DWFlat 8, Eddison Court 253, Sussex Way, London, N19 4DW
• Sold Jul 2024£325,000 | 2 Bed FlatFlat A, 64, Marlborough Road, London, N19 4NJFlat A, 64, Marlborough Road, London, N19 4NJ
• Sold May 2024£450,000 | 2 Bed Flat17B, Hatchard Road, London, N19 4NG17B, Hatchard Road, London, N19 4NG
• Sold Aug 2023£460,000 | 2 Bed Flat5, The Court 109D, Cornwallis Road, London, N19 4LQ5, The Court 109D, Cornwallis Road, London, N19 4LQ
• Sold Nov 2022£369,000 | 2 Bed Flat52, Cornwallis Square, London, N19 4LY52, Cornwallis Square, London, N19 4LY
• Sold May 2022£400,000 | 2 Bed FlatFlat 8, Constable House, Marlborough Road, London, N19 4NWFlat 8, Constable House, Marlborough Road, London, N19 4NW
• Sold Mar 2022£465,000 | 2 Bed Flat148B , Marlborough Road, London, N19 4NN148B , Marlborough Road, London, N19 4NN
• Sold Mar 2022£435,000 | 2 Bed Flat148A, Marlborough Road, London, N19 4NN148A, Marlborough Road, London, N19 4NN
• Sold Nov 2021£284,850 | 2 Bed FlatFlat 22, Eddison Court 253, Sussex Way, London, N19 4DWFlat 22, Eddison Court 253, Sussex Way, London, N19 4DW
• Sold Jun 2021£380,000 | 2 Bed FlatFlat 4, Constable House, Marlborough Road, London, N19 4NWFlat 4, Constable House, Marlborough Road, London, N19 4NW
• Sold Jul 2016£435,000 | 2 Bed FlatFlat 4, Larchmore Court, Kingsdown Road, London, N19 4LEFlat 4, Larchmore Court, Kingsdown Road, London, N19 4LE
• Sold Jul 2015£750,000 | 3 Bed FlatFlat 2, Eddison Court 253, Sussex Way, London, N19 4DWFlat 2, Eddison Court 253, Sussex Way, London, N19 4DW
• Sold Apr 2013£210,000 | 2 Bed FlatFlat 34, Blenheim Court, Marlborough Road, London, N19 4HRFlat 34, Blenheim Court, Marlborough Road, London, N19 4HR
• Sold Oct 2012£250,000 | 2 Bed FlatFlat A, 111, Cornwallis Road, London, N19 4LQFlat A, 111, Cornwallis Road, London, N19 4LQ
• Sold Jul 2012£194,500 | 2 Bed FlatFlat 30, Blenheim Court, Marlborough Road, London, N19 4HRFlat 30, Blenheim Court, Marlborough Road, London, N19 4HR
• Sold Jul 2007£213,000 | 2 Bed Flat37, Sussex Close, London, N19 4LN37, Sussex Close, London, N19 4LN
• Sold May 2007£250,000 | 2 Bed FlatFlat 1, 5-7, Marlborough Road, London, N19 4NAFlat 1, 5-7, Marlborough Road, London, N19 4NA

Cornwallis Square, London, N19 has a total of 108 addresses. According to our analysis of all the public data, 20, Cornwallis Square is the 60th largest and the 79th most expensive property on the street.

When compared to the postcode district it is £241k less expensive than the average property in N19.

• Duncombe Primary School

  300 m away
• St Mark's CofE Primary School

  300 m away
• Yerbury Primary School

  500 m away

• City of London Academy, Highgate Hill

  500 m away
• Arts and Media School Islington

  700 m away
• St Aloysius' College

  1.1 km away

• Upper Holloway

  |

  300 m away
• Archway

  |

  700 m away
• Crouch Hill

  |

  900 m away

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