23, St. Margarets Avenue, Sidcup occupies a 266 m² plot as recorded by HM Land Registry.

All 34 other houses in this postcode have recorded plot sizes, and this one ranks as the 29th largest.

23, St. Margarets Avenue, Sidcup last changed hands on 28th November 2012, selling for £305,000. 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 53.8% since November 2012.

Land Registry records and our Estate Agent network show 276 sales of comparable properties within 620 metres of 23, St. Margarets Avenue, Sidcup since 2014.

Most recently, 29, Thaxted Road, London, SE9 3PT, a freehold house, sold at £595,000 on the 20th March 2026.

Read more about house prices in DA15.

• Sold Mar 2026£595,000 | 3 Bed House29, Thaxted Road, London, SE9 3PT29, Thaxted Road, London, SE9 3PT
• Sold Oct 2025£625,000 | 3 Bed House89, Brooklands Avenue, Sidcup, DA15 7PF89, Brooklands Avenue, Sidcup, DA15 7PF
• Sold Oct 2025£565,000 | 3 Bed House26, Agaton Road, London, SE9 3RW26, Agaton Road, London, SE9 3RW
• Sold Dec 2024£612,000 | 3 Bed House62, Telford Road, London, SE9 3RD62, Telford Road, London, SE9 3RD
• Sold Nov 2024£625,000 | 3 Bed House50, Frensham Road, London, SE9 3RQ50, Frensham Road, London, SE9 3RQ
• Sold Aug 2024£535,000 | 4 Bed House6, County Gate, London, SE9 3UB6, County Gate, London, SE9 3UB
• Sold Oct 2022£560,000 | 3 Bed House20, Chartwell Close, London, SE9 3UQ20, Chartwell Close, London, SE9 3UQ
• Sold Jul 2022£685,000 | 3 Bed House4, Frensham Road, London, SE9 3RQ4, Frensham Road, London, SE9 3RQ
• Sold Mar 2022£575,000 | 4 Bed House13, Marechal Niel Avenue, Sidcup, DA15 7PB13, Marechal Niel Avenue, Sidcup, DA15 7PB
• Sold Mar 2022£587,500 | 3 Bed House12, St. Margarets Avenue, Sidcup, DA15 7NP12, St. Margarets Avenue, Sidcup, DA15 7NP
• Sold Mar 2022£635,000 | 3 Bed House135, Harland Avenue, Sidcup, DA15 7NZ135, Harland Avenue, Sidcup, DA15 7NZ
• Sold Sep 2021£515,000 | 3 Bed House26, St. Margarets Avenue, Sidcup, DA15 7NP26, St. Margarets Avenue, Sidcup, DA15 7NP
• Sold Sep 2021£577,000 | 3 Bed House27, Telford Road, London, SE9 3RE27, Telford Road, London, SE9 3RE
• Sold Jun 2021£575,000 | 3 Bed House105, Harland Avenue, Sidcup, DA15 7NZ105, Harland Avenue, Sidcup, DA15 7NZ
• Sold Jun 2021£342,000 | 3 Bed House127, Harland Avenue, Sidcup, DA15 7NZ127, Harland Avenue, Sidcup, DA15 7NZ
• Sold Apr 2020£480,000 | 3 Bed House39, Marechal Niel Avenue, Sidcup, DA15 7PB39, Marechal Niel Avenue, Sidcup, DA15 7PB
• Sold May 2019£485,000 | 4 Bed House158, Harland Avenue, Sidcup, DA15 7PA158, Harland Avenue, Sidcup, DA15 7PA
• Sold Feb 2018£418,000 | 3 Bed House11, St. Margarets Avenue, Sidcup, DA15 7NP11, St. Margarets Avenue, Sidcup, DA15 7NP
• Sold Jun 2015£395,000 | 3 Bed House119, Harland Avenue, Sidcup, DA15 7NZ119, Harland Avenue, Sidcup, DA15 7NZ
• Sold Nov 2014£350,000 | 3 Bed House146, Harland Avenue, Sidcup, DA15 7PA146, Harland Avenue, Sidcup, DA15 7PA

Our analysis of the public data ranks 23, St. Margarets Avenue, Sidcup as the 19th largest and the 20th most expensive of the 34 addresses on St. Margarets Avenue, Sidcup, DA15.

Against the DA15 postcode district average, it is £57k more expensive than the typical property.

• Dulverton Primary School

  500 m away
• Longlands Primary School

  600 m away
• Edgebury Primary School

  900 m away

• Chislehurst School for Girls

  1.6 km away
• Chislehurst and Sidcup Grammar School

  1.9 km away
• St Thomas More Catholic Comprehensive School

  2.3 km away

• New Eltham

  |

  1.0 km away
• Sidcup

  |

  1.5 km away
• Mottingham

  |

  2.3 km away

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