HM Land Registry records the plot of land for 20, Castle Avenue as measuring 398 m².

That makes it the 14th largest plot in the postcode, where 16 of the 20 other houses have recorded plot data.

The most recent sale of 20, Castle Avenue completed on 6th June 2008 at £696,590 and was recorded by HM Land Registry as a freehold house.

Since 1995 this is the property's only sale.

Values of comparable properties have risen by 68.7% over the period since June 2008.

• Sold Jun 2008£696,590

Since 2014 46 properties similar to 20, Castle Avenue have sold within a radius of 470 metres, per the Land Registry and our network of Estate Agents.

The latest, on the 21st November 2025, was 24, St. Leonards Avenue, London, E4 9QX, a freehold house which sold for £995,000.

Read more about house prices in E4.

• Sold Nov 2025£995,000 | 4 Bed House24, St. Leonards Avenue, London, E4 9QX24, St. Leonards Avenue, London, E4 9QX
• Sold Oct 2025£1,075,000 | 5 Bed House23, Falmouth Avenue, London, E4 9QN23, Falmouth Avenue, London, E4 9QN
• Sold Sep 2025£960,000 | 5 Bed House48, The Avenue, London, E4 9LD48, The Avenue, London, E4 9LD
• Sold Aug 2025£985,000 | 5 Bed House20, Vincent Road, London, E4 9PP20, Vincent Road, London, E4 9PP
• Sold Mar 2025£1,125,000 | 5 Bed House15, Gordon Avenue, London, E4 9QT15, Gordon Avenue, London, E4 9QT
• Sold Mar 2025£970,000 | 5 Bed House25, Gordon Avenue, London, E4 9QT25, Gordon Avenue, London, E4 9QT
• Sold Dec 2024£947,000 | 4 Bed House70, Forest Glade, London, E4 9RJ70, Forest Glade, London, E4 9RJ
• Sold Dec 2023£1,070,000 | 5 Bed House46, The Avenue, London, E4 9LD46, The Avenue, London, E4 9LD
• Sold Sep 2023£1,140,000 | 5 Bed House30, Castle Avenue, London, E4 9QD30, Castle Avenue, London, E4 9QD
• Sold Jul 2023£890,000 | 4 Bed House84, The Avenue, London, E4 9RA84, The Avenue, London, E4 9RA
• Sold Dec 2022£1,050,000 | 5 Bed House88, The Avenue, London, E4 9RA88, The Avenue, London, E4 9RA
• Sold Aug 2022£980,000 | 4 Bed House3, Church Avenue, London, E4 9QZ3, Church Avenue, London, E4 9QZ
• Sold Jul 2022£1,210,000 | 5 Bed House35, The Avenue, London, E4 9LB35, The Avenue, London, E4 9LB
• Sold Dec 2021£825,000 | 4 Bed House16, St. Leonards Avenue, London, E4 9QX16, St. Leonards Avenue, London, E4 9QX
• Sold Jun 2021£950,000 | 5 Bed House91, The Avenue, London, E4 9RX91, The Avenue, London, E4 9RX
• Sold Mar 2021£845,000 | 5 Bed House72, Forest Glade, London, E4 9RJ72, Forest Glade, London, E4 9RJ
• Sold Jan 2020£790,000 | 5 Bed House17, Gordon Avenue, London, E4 9QT17, Gordon Avenue, London, E4 9QT
• Sold Jun 2019£725,000 | 5 Bed House83, Falmouth Avenue, London, E4 9QR83, Falmouth Avenue, London, E4 9QR
• Sold Jan 2017£820,000 | 5 Bed House14, Castle Avenue, London, E4 9QD14, Castle Avenue, London, E4 9QD
• Sold Dec 2014£745,800 | 5 Bed House85, The Avenue, London, E4 9RX85, The Avenue, London, E4 9RX

Of the 127 addresses on Castle Avenue, London, E4, 20, Castle Avenue comes out as the 9th largest and the 9th most expensive in our analysis of the public data.

It is also £543k more expensive than the average property across the E4 district.

• Handsworth Primary School

  300 m away
• Oakhill Primary School

  500 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

  |

  200 m away
• Woodford

  |

  2.1 km away
• Wood Street

  |

  2.6 km away

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