21, Sidcup Road occupies a 453 m² plot as recorded by HM Land Registry.

All 23 other houses in this postcode have recorded plot sizes, and this one ranks as the 19th largest.

21, Sidcup Road has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 22 Jul 2016.

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

21, Sidcup Road last changed hands on 6th June 2008, selling for £250,000. The transaction was logged as a freehold house by HM Land Registry.

That is its only recorded sale since 1995.

The market for similar properties has risen by 67.0% since June 2008.

• Sold Jun 2008£250,000

Land Registry records and our Estate Agent network show 30 sales of comparable properties within 580 metres of 21, Sidcup Road since 2007.

Most recently, 22, Cedarhurst Drive, London, SE9 5LP, a freehold house, sold at £865,000 on the 17th September 2025.

Read more about house prices in SE12.

• Sold Sep 2025£865,000 | 4 Bed House22, Cedarhurst Drive, London, SE9 5LP22, Cedarhurst Drive, London, SE9 5LP
• Sold Mar 2025£742,000 | 4 Bed House455, Westhorne Avenue, London, SE9 5LR455, Westhorne Avenue, London, SE9 5LR
• Sold Jan 2025£614,000 | 5 Bed House426, Westhorne Avenue, London, SE9 5LT426, Westhorne Avenue, London, SE9 5LT
• Sold Mar 2024£710,000 | 4 Bed House17, Cedarhurst Drive, London, SE9 5LP17, Cedarhurst Drive, London, SE9 5LP
• Sold Mar 2021£560,000 | 5 Bed House59, Abergeldie Road, London, SE12 8BH59, Abergeldie Road, London, SE12 8BH
• Sold Jan 2021£605,000 | 5 Bed House19, Shawbrooke Road, London, SE9 6AE19, Shawbrooke Road, London, SE9 6AE
• Sold Dec 2020£650,000 | 5 Bed House57, Sidcup Road, London, SE12 8BL57, Sidcup Road, London, SE12 8BL
• Sold Apr 2019£485,000 | 4 Bed House440, Westhorne Avenue, London, SE9 5LT440, Westhorne Avenue, London, SE9 5LT
• Sold Sep 2018£696,500 | 5 Bed House389, Westhorne Avenue, London, SE12 9AB389, Westhorne Avenue, London, SE12 9AB
• Sold Dec 2017£510,000 | 4 Bed House459, Westhorne Avenue, London, SE9 5LR459, Westhorne Avenue, London, SE9 5LR
• Sold Jun 2017£540,000 | 5 Bed House55, Scotsdale Road, London, SE12 8BS55, Scotsdale Road, London, SE12 8BS
• Sold Mar 2017£430,000 | 5 Bed House172, Eltham Road, London, SE9 5LN172, Eltham Road, London, SE9 5LN
• Sold Dec 2016£530,000 | 3 Bed House43, Sidcup Road, London, SE12 8BL43, Sidcup Road, London, SE12 8BL
• Sold Sep 2016£525,000 | 4 Bed House180, Eltham Road, London, SE9 5LN180, Eltham Road, London, SE9 5LN
• Sold Mar 2016£490,000 | 5 Bed House27, Sidcup Road, London, SE12 8BL27, Sidcup Road, London, SE12 8BL
• Sold Apr 2014£455,000 | 4 Bed House49, Abergeldie Road, London, SE12 8BH49, Abergeldie Road, London, SE12 8BH
• Sold Apr 2013£342,500 | 5 Bed House178, Eltham Road, London, SE9 5LN178, Eltham Road, London, SE9 5LN
• Sold Jun 2010£425,000 | 4 Bed House174, Eltham Road, London, SE9 5LN174, Eltham Road, London, SE9 5LN
• Sold Oct 2008£465,000 | 4 Bed House7, Horn Park Lane, London, SE12 8UX7, Horn Park Lane, London, SE12 8UX
• Sold Apr 2007£245,000 | 4 Bed House7, Eltham Green Road, London, SE9 6BA7, Eltham Green Road, London, SE9 6BA

Our analysis of the public data ranks 21, Sidcup Road as the 3rd largest and the 5th most expensive of the 97 addresses on Sidcup Road, London, SE12.

Against the SE12 postcode district average, it is £217k more expensive than the typical property.

• Ealdham Primary School

  800 m away
• Horn Park Primary School

  900 m away
• Haimo Primary School

  1.0 km away

• Harris Academy Greenwich

  700 m away
• Eltham Hill School

  1.2 km away
• Thomas Tallis School

  1.4 km away

• Lee (London)

  |

  1.1 km away
• Kidbrooke

  |

  1.2 km away
• Eltham

  |

  1.7 km away

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