20, Sewardstone Gardens has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 15 Oct 2010.

The property is connected to mains gas and has fully double glazed windows. It is heated using room heaters (mains gas).

According to the Land Registry and our network of Estate Agents, there have been 781 property sales within 1.1 kilometres of 20, Sewardstone Gardens since 2009.

The most recent example is 17, Boardman Avenue, London, E4 7QB, a leasehold flat which sold for £342,400 on the 24th July 2025.

Read more about house prices in E4.

• Sold Jul 2025£342,400 | 2 Bed Flat17, Boardman Avenue, London, E4 7QB17, Boardman Avenue, London, E4 7QB
• Sold Jun 2025£340,000 | 2 Bed Flat14, Sewardstone Gardens, London, E4 7QE14, Sewardstone Gardens, London, E4 7QE
• Sold Aug 2024£527,500 | 3 Bed House21A, Boardman Avenue, London, E4 7QB21A, Boardman Avenue, London, E4 7QB
• Sold Apr 2024£505,000 | 3 Bed House30, Boardman Avenue, London, E4 7QD30, Boardman Avenue, London, E4 7QD
• Sold Aug 2023£495,000 | 3 Bed House28, Boardman Avenue, London, E4 7QD28, Boardman Avenue, London, E4 7QD
• Sold Mar 2023£410,000 | 3 Bed House32, Boardman Avenue, London, E4 7QD32, Boardman Avenue, London, E4 7QD
• Sold Apr 2022£167,500 | 2 Bed Flat11, Sewardstone Gardens, London, E4 7QE11, Sewardstone Gardens, London, E4 7QE
• Sold Sep 2021£335,500 | 2 Bed Flat9, Sewardstone Gardens, London, E4 7QE9, Sewardstone Gardens, London, E4 7QE
• Sold Jun 2021£460,000 | 3 Bed House26, Boardman Avenue, London, E4 7QD26, Boardman Avenue, London, E4 7QD
• Sold Feb 2020£287,000 | 2 Bed Flat44, Sewardstone Gardens, London, E4 7QE44, Sewardstone Gardens, London, E4 7QE
• Sold Nov 2018£283,000 | 2 Bed Flat48, Sewardstone Gardens, London, E4 7QE48, Sewardstone Gardens, London, E4 7QE
• Sold Aug 2017£300,000 | 2 Bed Flat30, Sewardstone Gardens, London, E4 7QE30, Sewardstone Gardens, London, E4 7QE
• Sold Oct 2016£305,000 | 2 Bed Flat15, Boardman Avenue, London, E4 7QB15, Boardman Avenue, London, E4 7QB
• Sold Dec 2015£515,000 | 3 Bed House7, Boardman Avenue, London, E4 7QB7, Boardman Avenue, London, E4 7QB
• Sold Nov 2015£265,000 | 2 Bed Flat42, Sewardstone Gardens, London, E4 7QE42, Sewardstone Gardens, London, E4 7QE
• Sold Feb 2015£330,000 | 4 Bed House24, Boardman Avenue, London, E4 7QD24, Boardman Avenue, London, E4 7QD
• Sold Dec 2014£205,000 | 2 Bed Flat34, Sewardstone Gardens, London, E4 7QE34, Sewardstone Gardens, London, E4 7QE
• Sold Nov 2012£202,000 | 2 Bed Flat22, Sewardstone Gardens, London, E4 7QE22, Sewardstone Gardens, London, E4 7QE
• Sold Oct 2012£153,175 | 2 Bed Flat46, Sewardstone Gardens, London, E4 7QE46, Sewardstone Gardens, London, E4 7QE
• Sold Dec 2009£160,050 | 2 Bed Flat10, Boardman Avenue, London, E4 7QD10, Boardman Avenue, London, E4 7QD

Sewardstone Gardens, London, E4 has a total of 75 addresses. According to our analysis of all the public data, 20, Sewardstone Gardens is the 75th largest and the 75th most expensive property on the street.

When compared to the postcode district it is £382k less expensive than the average property in E4.

• Yardley Primary School

  300 m away
• St Mary's Catholic Primary School

  1.7 km away
• Alma Primary School

  1.8 km away

• Chingford Foundation School

  1.5 km away
• Heathcote School & Science College

  2.5 km away
• AIM Academy North London

  2.7 km away

• Ponders End

  |

  1.6 km away
• Chingford

  |

  1.8 km away
• Brimsdown

  |

  1.9 km away

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