423, Sidcup Road occupies a 357 m² plot as recorded by HM Land Registry.

All 27 other houses in this postcode have recorded plot sizes, and this one ranks as the 26th largest.

423, Sidcup Road has an Energy Performance Rating (EPC) of F. This is based on the most recent assessment, dated 14 Nov 2019.

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

423, Sidcup Road last changed hands on 6th July 2020, selling for £527,500. The transaction was logged as a freehold house by HM Land Registry.

In total it has sold twice since 1995.

The market for similar properties has risen by 12.1% since July 2020.

• Sold Jul 2020£527,500
• Sold Jul 2004£230,000

Land Registry records and our Estate Agent network show 25 sales of comparable properties within 630 metres of 423, Sidcup Road since 2007.

Most recently, 211, Court Road, London, SE9 4TG, a leasehold house, sold at £775,000 on the 19th December 2025.

Read more about house prices in SE9.

• Sold Dec 2025£775,000 | 4 Bed House211, Court Road, London, SE9 4TG211, Court Road, London, SE9 4TG
• Sold Oct 2025£690,000 | 4 Bed House212, Court Road, London, SE9 4TX212, Court Road, London, SE9 4TX
• Sold Sep 2025£700,000 | 4 Bed House262, Court Road, London, SE9 4TY262, Court Road, London, SE9 4TY
• Sold Oct 2024£430,000 | 4 Bed House455, Sidcup Road, London, SE9 4ET455, Sidcup Road, London, SE9 4ET
• Sold Apr 2024£710,000 | 4 Bed House52, West Hallowes, London, SE9 4EX52, West Hallowes, London, SE9 4EX
• Sold Jan 2024£635,000 | 4 Bed House226, Court Road, London, SE9 4TX226, Court Road, London, SE9 4TX
• Sold Sep 2023£615,000 | 4 Bed House274, Court Road, London, SE9 4TY274, Court Road, London, SE9 4TY
• Sold Sep 2023£605,000 | 4 Bed House30, West Hallowes, London, SE9 4EX30, West Hallowes, London, SE9 4EX
• Sold Mar 2023£580,000 | 4 Bed House509, Sidcup Road, London, SE9 4ES509, Sidcup Road, London, SE9 4ES
• Sold Jun 2022£765,000 | 4 Bed House2, College View, London, SE9 4QG2, College View, London, SE9 4QG
• Sold Dec 2021£695,000 | 4 Bed House218, Court Road, London, SE9 4TX218, Court Road, London, SE9 4TX
• Sold Sep 2021£567,500 | 4 Bed House437, Sidcup Road, London, SE9 4ET437, Sidcup Road, London, SE9 4ET
• Sold Feb 2021£528,000 | 4 Bed House37, Luxfield Road, London, SE9 4EZ37, Luxfield Road, London, SE9 4EZ
• Sold Dec 2019£500,000 | 4 Bed House506A, Sidcup Road, London, SE9 4HA506A, Sidcup Road, London, SE9 4HA
• Sold Dec 2019£475,000 | 4 Bed House47, Joan Crescent, London, SE9 5RR47, Joan Crescent, London, SE9 5RR
• Sold Sep 2017£240,000 | 4 Bed House465, Sidcup Road, London, SE9 4ET465, Sidcup Road, London, SE9 4ET
• Sold Dec 2015£380,000 | 4 Bed House33, Highcombe Close, London, SE9 4QH33, Highcombe Close, London, SE9 4QH
• Sold Oct 2013£307,500 | 4 Bed House497, Sidcup Road, London, SE9 4ET497, Sidcup Road, London, SE9 4ET
• Sold Jan 2011£355,000 | 4 Bed House18, West Hallowes, London, SE9 4EX18, West Hallowes, London, SE9 4EX
• Sold Dec 2007£380,000 | 4 Bed House56, West Hallowes, London, SE9 4EX56, West Hallowes, London, SE9 4EX

Our analysis of the public data ranks 423, Sidcup Road as the 21st largest and the 37th most expensive of the 446 addresses on Sidcup Road, London, SE9.

Against the SE9 postcode district average, it is £159k more expensive than the typical property.

• Middle Park Primary School

  500 m away
• Greenacres Primary School and Language Impairment Unit

  1.3 km away
• Horn Park Primary School

  1.3 km away

• Eltham Hill School

  1.1 km away
• Harris Academy Greenwich

  1.2 km away
• St Thomas More Catholic Comprehensive School

  1.5 km away

• Mottingham

  |

  600 m away
• Eltham

  |

  1.7 km away
• Grove Park

  |

  1.8 km away

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