Flat 5, 21, Castle Avenue has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 29 Apr 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).

According to HM Land Registry, Flat 5, 21, Castle Avenue was last sold on 12th October 2018 for £325,000 and was recorded as a leasehold flat.

The property has had 3 sales since 1995.

Since October 2018, the market for similar properties has risen by 1.4%.

• Sold Oct 2018£325,000
• Sold Feb 2003£173,000
• Sold Mar 1999£74,000

According to the Land Registry and our network of Estate Agents, there have been 88 sales of properties similar to Flat 5, 21, Castle Avenue within a radius of 470 metres since 2020.

The most recent example is 111, Merriam Close, London, E4 9GF, a leasehold flat which sold for £325,000 on the 6th February 2026.

Read more about house prices in E4.

• 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 Dec 2025£325,000 | 2 Bed Flat25, Merriam Close, London, E4 9JQ25, 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 May 2023£300,000 | 2 Bed Flat102 Rolls Court, Inks Green, London, E4 9EJ102 Rolls Court, Inks Green, London, E4 9EJ
• 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 Jul 2021£349,000 | 2 Bed FlatFlat 3, 21, Castle Avenue, London, E4 9PYFlat 3, 21, Castle Avenue, London, E4 9PY
• 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

Castle Avenue, London, E4 has a total of 127 addresses. According to our analysis of all the public data, Flat 5, 21, Castle Avenue is the 102nd largest and the 87th most expensive property on the street.

When compared to the postcode district it is £195k less expensive than the average property in E4.

• 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

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