21, Duddington Close has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 14 Nov 2016.

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

Land Registry records and our Estate Agent network show 24 sales of comparable properties within 500 metres of 21, Duddington Close since 2009.

Most recently, 30, Lions Close, London, SE9 4HG, a leasehold flat, sold at £250,000 on the 29th July 2025.

Read more about house prices in SE9.

• Sold Jul 2025£250,000 | 2 Bed Flat30, Lions Close, London, SE9 4HG30, Lions Close, London, SE9 4HG
• Sold Feb 2025£210,000 | 2 Bed Flat31, Lions Close, London, SE9 4HG31, Lions Close, London, SE9 4HG
• Sold Aug 2023£180,000 | 2 Bed Flat70, Charminster Road, London, SE9 4BT70, Charminster Road, London, SE9 4BT
• Sold May 2023£260,000 | 2 Bed Flat5, Lonsdale Close, London, SE9 4HF5, Lonsdale Close, London, SE9 4HF
• Sold Aug 2022£198,000 | 2 Bed Flat118, Lambscroft Avenue, London, SE9 4PQ118, Lambscroft Avenue, London, SE9 4PQ
• Sold Jan 2022£208,000 | 1 Bed Flat19, Lions Close, London, SE9 4HG19, Lions Close, London, SE9 4HG
• Sold Sep 2021£240,000 | 1 Bed FlatFlat 1, 92, Charminster Road, London, SE9 4BWFlat 1, 92, Charminster Road, London, SE9 4BW
• Sold Jul 2021£225,000 | 2 Bed Flat26, Lions Close, London, SE9 4HG26, Lions Close, London, SE9 4HG
• Sold Jun 2021£230,000 | 2 Bed Flat39, Harting Road, London, SE9 4JP39, Harting Road, London, SE9 4JP
• Sold Jun 2021£210,000 | 2 Bed Flat88, Lambscroft Avenue, London, SE9 4PB88, Lambscroft Avenue, London, SE9 4PB
• Sold Mar 2021£220,000 | 2 Bed FlatFlat 16, Bushey House, Charlesfield, London, SE9 4PPFlat 16, Bushey House, Charlesfield, London, SE9 4PP
• Sold Jul 2020£238,000 | 2 Bed Flat32, Lions Close, London, SE9 4HG32, Lions Close, London, SE9 4HG
• Sold Nov 2017£237,000 | 1 Bed Flat53, Harting Road, London, SE9 4JP53, Harting Road, London, SE9 4JP
• Sold Aug 2017£215,000 | 2 Bed Flat58, Charminster Road, London, SE9 4BT58, Charminster Road, London, SE9 4BT
• Sold Aug 2016£230,000 | 1 Bed Flat88, Charminster Road, London, SE9 4BT88, Charminster Road, London, SE9 4BT
• Sold Jul 2016£225,000 | 2 Bed Flat28, Lions Close, London, SE9 4HG28, Lions Close, London, SE9 4HG
• Sold Dec 2015£190,000 | 2 Bed Flat22, Duddington Close, London, SE9 4JD22, Duddington Close, London, SE9 4JD
• Sold Jul 2014£161,000 | 2 Bed Flat38, Lions Close, London, SE9 4HG38, Lions Close, London, SE9 4HG
• Sold Sep 2011£115,000 | 2 Bed Flat11, Wicks Close, London, SE9 4HE11, Wicks Close, London, SE9 4HE
• Sold May 2009£85,000 | 2 Bed Flat15, Lions Close, London, SE9 4HG15, Lions Close, London, SE9 4HG

Our analysis of the public data ranks 21, Duddington Close as the 42nd largest and the 42nd most expensive of the 57 addresses on Duddington Close, London, SE9.

Against the SE9 postcode district average, it is £257k less expensive than the typical property.

• St Vincent's Catholic Primary School

  300 m away
• Marvels Lane Primary School

  400 m away
• Elmstead Wood Primary School

  600 m away

• Haberdashers' Knights Academy

  1.6 km away
• Bullers Wood School

  2.2 km away
• Eltham Hill School

  2.6 km away

• Grove Park

  |

  1.2 km away
• Elmstead Woods

  |

  1.3 km away
• Mottingham

  |

  1.5 km away

Environment Agency data suggests this area has a Very Low risk of flooding.