17B, William Street has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 11 Aug 2022.

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 17B, William Street completed on 5th July 2016 at £310,000 and was recorded by HM Land Registry as a leasehold flat.

Since 1995 the property has sold twice.

Values of comparable properties have risen by 36.4% over the period since July 2016.

• Sold Jul 2016£310,000
• Sold Oct 2014£225,000

Since 2016 31 properties similar to 17B, William Street have sold within a radius of 320 metres, per the Land Registry and our network of Estate Agents.

The latest, on the 7th August 2025, was Flat 3, Clematis House 21, Capworth Street, London, E10 5GY, a leasehold flat which sold for £287,000.

Read more about house prices in E10.

• Sold Aug 2025£287,000 | 2 Bed FlatFlat 3, Clematis House 21, Capworth Street, London, E10 5GYFlat 3, Clematis House 21, Capworth Street, London, E10 5GY
• Sold Nov 2024£122,000 | 2 Bed FlatFlat 14, Clematis House 21, Capworth Street, London, E10 5GYFlat 14, Clematis House 21, Capworth Street, London, E10 5GY
• Sold Nov 2024£342,500 | 2 Bed Flat23, Elder Close, London, E10 6FF23, Elder Close, London, E10 6FF
• Sold Jun 2024£365,000 | 2 Bed Flat700B, Lea Bridge Road, London, E10 6AW700B, Lea Bridge Road, London, E10 6AW
• Sold Jan 2024£400,000 | 2 Bed Flat5A, Epsom Road, London, E10 6ES5A, Epsom Road, London, E10 6ES
• Sold Nov 2023£375,000 | 1 Bed FlatFlat 1, 18, Belmont Park Road, London, E10 6AUFlat 1, 18, Belmont Park Road, London, E10 6AU
• Sold Oct 2023£340,000 | 2 Bed Flat33, Elder Close, London, E10 6FF33, Elder Close, London, E10 6FF
• Sold Sep 2023£345,000 | 2 Bed Flat34, Capworth Street, London, E10 7HA34, Capworth Street, London, E10 7HA
• Sold Sep 2023£325,000 | 2 Bed Flat5, Elder Close, London, E10 6FF5, Elder Close, London, E10 6FF
• Sold Jul 2023£108,500 | 2 Bed FlatFlat 22, Clematis House 21, Capworth Street, London, E10 5GYFlat 22, Clematis House 21, Capworth Street, London, E10 5GY
• Sold Jul 2023£330,000 | 2 Bed FlatFlat 25, Clematis House 21, Capworth Street, London, E10 5GYFlat 25, Clematis House 21, Capworth Street, London, E10 5GY
• Sold Mar 2023£360,000 | 2 Bed Flat14, Elder Close, London, E10 6FF14, Elder Close, London, E10 6FF
• Sold Mar 2023£367,500 | 2 Bed Flat22, Elder Close, London, E10 6FF22, Elder Close, London, E10 6FF
• Sold Mar 2023£355,000 | 2 Bed Flat9, Elder Close, London, E10 6FF9, Elder Close, London, E10 6FF
• Sold Nov 2021£370,000 | 2 Bed Flat1A, Knotts Green Road, London, E10 6DD1A, Knotts Green Road, London, E10 6DD
• Sold Dec 2020£225,000 | 2 Bed FlatFlat 2, 18, Belmont Park Road, London, E10 6AUFlat 2, 18, Belmont Park Road, London, E10 6AU
• Sold Jan 2020£470,000 | 2 Bed Flat38, Capworth Street, London, E10 7HA38, Capworth Street, London, E10 7HA
• Sold Oct 2019£316,000 | 2 Bed FlatFlat 10, Clematis House 21, Capworth Street, London, E10 5GYFlat 10, Clematis House 21, Capworth Street, London, E10 5GY
• Sold Jan 2019£715,000 | 2 Bed Flat830A, High Road Leyton, London, E10 6AE830A, High Road Leyton, London, E10 6AE
• Sold Aug 2016£330,000 | 1 Bed FlatFlat 1, 26, Belmont Park Road, London, E10 6AUFlat 1, 26, Belmont Park Road, London, E10 6AU

Of the 58 addresses on William Street, London, E10, 17B, William Street comes out as the 52nd largest and the 52nd most expensive in our analysis of the public data.

It is also £172k less expensive than the average property across the E10 district.

• Barclay Primary School

  600 m away
• Thomas Gamuel Primary School

  800 m away
• Henry Maynard Primary School

  900 m away

• Norlington School and 6th Form

  1.1 km away
• Walthamstow School for Girls

  1.1 km away
• Leytonstone School

  1.2 km away

• Leyton Midland Road

  |

  600 m away
• Walthamstow Central

  |

  1.1 km away

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