Flat 3, 21, Castle Avenue has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 20 Nov 2014.

The property is not connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).

Flat 3, 21, Castle Avenue last changed hands on 16th July 2021, selling for £349,000. 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 July 2021.

• Sold Jul 2021£349,000
• Sold Dec 2004£159,000

Land Registry records and our Estate Agent network show 83 sales of comparable properties within 470 metres of Flat 3, 21, Castle Avenue since 2017.

Most recently, Flat 13, Jellicoe Court 1, Beverley Mews, London, E4 9PH, a leasehold flat, sold at £210,000 on the 27th February 2026.

Read more about house prices in E4.

• Sold Feb 2026£210,000 | 2 Bed FlatFlat 13, Jellicoe Court 1, Beverley Mews, London, E4 9PHFlat 13, Jellicoe Court 1, Beverley Mews, London, E4 9PH
• Sold Feb 2026£325,000 | 2 Bed Flat111, Merriam Close, London, E4 9GF111, Merriam Close, London, E4 9GF
• Sold Jan 2026£335,000 | 2 Bed Flat87, Merriam Close, London, E4 9JQ87, Merriam Close, London, E4 9JQ
• Sold Sep 2025£355,000 | 2 Bed Flat16, Merriam Close, London, E4 9JQ16, Merriam Close, London, E4 9JQ
• Sold Jul 2025£310,000 | 2 Bed Flat115, Merriam Close, London, E4 9GF115, Merriam Close, London, E4 9GF
• Sold Mar 2025£340,000 | 2 Bed FlatFlat 8, 12, Castle Avenue, London, E4 9QDFlat 8, 12, Castle Avenue, London, E4 9QD
• Sold Jan 2025£355,000 | 2 Bed FlatFlat 7, 31, Castle Avenue, London, E4 9PYFlat 7, 31, Castle Avenue, London, E4 9PY
• Sold Dec 2024£335,000 | 2 Bed FlatFlat 5, Paxton House 401, Larkshall Road, London, E4 9EFFlat 5, Paxton House 401, Larkshall Road, London, E4 9EF
• Sold Oct 2024£335,000 | 2 Bed Flat83, Merriam Close, London, E4 9JQ83, Merriam Close, London, E4 9JQ
• Sold Oct 2024£335,000 | 2 Bed FlatFlat 7, 12, Castle Avenue, London, E4 9QDFlat 7, 12, Castle Avenue, London, E4 9QD
• Sold Sep 2024£430,000 | 2 Bed Flat126, Forest Glade, London, E4 9RJ126, Forest Glade, London, E4 9RJ
• Sold Aug 2024£345,000 | 2 Bed Flat106, Merriam Close, London, E4 9GF106, Merriam Close, London, E4 9GF
• Sold Sep 2023£320,000 | 2 Bed FlatFlat 2, 31, Castle Avenue, London, E4 9PYFlat 2, 31, Castle Avenue, London, E4 9PY
• Sold Oct 2022£300,000 | 2 Bed FlatFlat 6, 10, Clivedon Road, London, E4 9RNFlat 6, 10, Clivedon Road, London, E4 9RN
• Sold Sep 2022£297,149 | 2 Bed FlatFlat 14, Paxton House 401, Larkshall Road, London, E4 9EFFlat 14, Paxton House 401, Larkshall Road, London, E4 9EF
• Sold Feb 2022£270,000 | 2 Bed FlatFlat 4, Marien Court 45, The Avenue, London, E4 9LBFlat 4, Marien Court 45, The Avenue, London, E4 9LB
• Sold Jun 2021£380,000 | 2 Bed Flat152, Forest Glade, London, E4 9RJ152, Forest Glade, London, E4 9RJ
• Sold May 2020£350,000 | 2 Bed FlatFlat 8, Bailey Court 29, Castle Avenue, London, E4 9QBFlat 8, Bailey Court 29, Castle Avenue, London, E4 9QB
• Sold Oct 2018£325,000 | 2 Bed FlatFlat 5, 21, Castle Avenue, London, E4 9PYFlat 5, 21, Castle Avenue, London, E4 9PY
• Sold Sep 2017£270,000 | 2 Bed FlatFlat 1, Castle House, Castle Avenue, London, E4 9QGFlat 1, Castle House, Castle Avenue, London, E4 9QG

Our analysis of the public data ranks Flat 3, 21, Castle Avenue as the 108th largest and the 90th most expensive of the 127 addresses on Castle Avenue, London, E4.

Against the E4 postcode district average, it is £199k less expensive than the typical property.

• Handsworth Primary School

  300 m away
• Oakhill Primary School

  600 m away
• Selwyn Primary School

  800 m away

• Highams Park School

  200 m away
• Woodford County High School

  1.1 km away
• South Chingford Foundation School

  1.2 km away

• Highams Park

  |

  300 m away
• Woodford

  |

  2.1 km away
• Chingford

  |

  2.6 km away

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