Flat 35, Sumner House has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 05 Oct 2020.

The property is connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).

The most recent sale of Flat 35, Sumner House completed on 7th April 2011 at £137,500 and was recorded by HM Land Registry as a leasehold flat.

Since 1995 this is the property's only sale.

Values of comparable properties have risen by 75.2% over the period since April 2011.

• Sold Apr 2011£137,500

Since 2013 64 properties similar to Flat 35, Sumner House have sold within a radius of 220 metres, per the Land Registry and our network of Estate Agents.

The latest, on the 28th November 2025, was Flat 203, Maestro Apartments 55, Violet Road, London, E3 3FW, a leasehold flat which sold for £112,000.

Read more about house prices in E3.

• Sold Nov 2025£112,000 | 2 Bed FlatFlat 203, Maestro Apartments 55, Violet Road, London, E3 3FWFlat 203, Maestro Apartments 55, Violet Road, London, E3 3FW
• Sold May 2025£180,000 | 2 Bed FlatFlat 3, Sumner House, Watts Grove, London, E3 3RBFlat 3, Sumner House, Watts Grove, London, E3 3RB
• Sold Oct 2024£255,000 | 2 Bed FlatFlat 2, 42, Violet Road, London, E3 3QGFlat 2, 42, Violet Road, London, E3 3QG
• Sold Mar 2024£255,000 | 2 Bed FlatFlat 70, Bracken House, Devons Road, London, E3 3RGFlat 70, Bracken House, Devons Road, London, E3 3RG
• Sold Feb 2024£330,000 | 2 Bed FlatFlat 3, 2, Violet Road, London, E3 3QHFlat 3, 2, Violet Road, London, E3 3QH
• Sold May 2023£210,000 | 1 Bed FlatFlat 14, Bracken House, Devons Road, London, E3 3RGFlat 14, Bracken House, Devons Road, London, E3 3RG
• Sold Mar 2023£220,000 | 2 Bed FlatFlat 53, Sumner House, Watts Grove, London, E3 3RBFlat 53, Sumner House, Watts Grove, London, E3 3RB
• Sold Feb 2023£220,000 | 2 Bed FlatFlat 22, Sumner House, Watts Grove, London, E3 3RBFlat 22, Sumner House, Watts Grove, London, E3 3RB
• Sold Nov 2022£330,000 | 2 Bed FlatFlat 16, Bracken House, Devons Road, London, E3 3RGFlat 16, Bracken House, Devons Road, London, E3 3RG
• Sold Aug 2022£282,500 | 2 Bed FlatFlat 21, Bracken House, Devons Road, London, E3 3RGFlat 21, Bracken House, Devons Road, London, E3 3RG
• Sold Mar 2022£275,000 | 2 Bed FlatFlat 36, Sumner House, Watts Grove, London, E3 3RBFlat 36, Sumner House, Watts Grove, London, E3 3RB
• Sold Dec 2021£287,500 | 2 Bed FlatFlat 35, Bramble House, Devons Road, London, E3 3RDFlat 35, Bramble House, Devons Road, London, E3 3RD
• Sold Oct 2021£265,500 | 1 Bed FlatFlat 24, Bracken House, Devons Road, London, E3 3RGFlat 24, Bracken House, Devons Road, London, E3 3RG
• Sold Jul 2021£159,230 | 2 Bed FlatFlat 30, Sumner House, Watts Grove, London, E3 3RBFlat 30, Sumner House, Watts Grove, London, E3 3RB
• Sold Nov 2018£300,000 | 2 Bed FlatFlat 61, Bracken House, Devons Road, London, E3 3RGFlat 61, Bracken House, Devons Road, London, E3 3RG
• Sold Mar 2018£354,000 | 2 Bed FlatFlat 7, Sumner House, Watts Grove, London, E3 3RBFlat 7, Sumner House, Watts Grove, London, E3 3RB
• Sold Jun 2017£288,000 | 2 Bed FlatFlat 37, Sumner House, Watts Grove, London, E3 3RBFlat 37, Sumner House, Watts Grove, London, E3 3RB
• Sold Apr 2017£365,000 | 2 Bed FlatFlat 53, Bracken House, Devons Road, London, E3 3RGFlat 53, Bracken House, Devons Road, London, E3 3RG
• Sold Apr 2014£211,000 | 1 Bed FlatFlat 30, Bracken House, Devons Road, London, E3 3RGFlat 30, Bracken House, Devons Road, London, E3 3RG
• Sold Mar 2013£158,995 | 2 Bed FlatFlat 41, Sumner House, Watts Grove, London, E3 3RBFlat 41, Sumner House, Watts Grove, London, E3 3RB

Of the 175 addresses on Watts Grove, London, E3, Flat 35, Sumner House comes out as the 112th largest and the 128th most expensive in our analysis of the public data.

It is also £173k less expensive than the average property across the E3 district.

• The Clara Grant Primary School

  200 m away
• St Saviour's Church of England Primary School

  400 m away
• Manorfield Primary School

  500 m away

• Langdon Park Community School

  700 m away
• Bow School

  800 m away
• Central Foundation Girls' School

  1.0 km away

• Devons Road

  |

  300 m away
• Langdon Park

  |

  600 m away
• Bromley-by-Bow

  |

  800 m away

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