17, St. Margarets Avenue, Sidcup occupies a 251 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 32nd largest.

17, St. Margarets Avenue, Sidcup has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 06 Apr 2023.

The property is not connected to mains gas and has fully double glazed windows. It is heated using electric storage heaters.

17, St. Margarets Avenue, Sidcup last changed hands on 8th December 2023, selling for £485,000. 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 dropped by 5.9% since December 2023.

Land Registry records and our Estate Agent network show 340 sales of comparable properties within 630 metres of 17, St. Margarets Avenue, Sidcup since 2016.

Most recently, 2, Braemar Gardens, Sidcup, DA15 7NH, a freehold house, sold at £607,000 on the 12th June 2026.

Read more about house prices in DA15.

• Sold Jun 2026£607,000 | 4 Bed House2, Braemar Gardens, Sidcup, DA15 7NH2, Braemar Gardens, Sidcup, DA15 7NH
• Sold Apr 2026£625,000 | 4 Bed House145, Harland Avenue, Sidcup, DA15 7NZ145, Harland Avenue, Sidcup, DA15 7NZ
• Sold Feb 2026£537,500 | 4 Bed House323, Main Road, Sidcup, DA14 6QG323, Main Road, Sidcup, DA14 6QG
• Sold Dec 2025£628,400 | 4 Bed House42, Telford Road, London, SE9 3RD42, Telford Road, London, SE9 3RD
• Sold Nov 2025£715,000 | 4 Bed House11, Marechal Niel Avenue, Sidcup, DA15 7PB11, Marechal Niel Avenue, Sidcup, DA15 7PB
• Sold Sep 2025£655,000 | 4 Bed House43, Marechal Niel Avenue, Sidcup, DA15 7PB43, Marechal Niel Avenue, Sidcup, DA15 7PB
• Sold Nov 2024£625,000 | 3 Bed House50, Frensham Road, London, SE9 3RQ50, Frensham Road, London, SE9 3RQ
• Sold Sep 2024£650,000 | 4 Bed House45, Marechal Niel Avenue, Sidcup, DA15 7PB45, Marechal Niel Avenue, Sidcup, DA15 7PB
• Sold Apr 2024£546,500 | 4 Bed House31, Marechal Niel Avenue, Sidcup, DA15 7PB31, Marechal Niel Avenue, Sidcup, DA15 7PB
• Sold Feb 2024£725,000 | 4 Bed House14, St. Margarets Avenue, Sidcup, DA15 7NP14, St. Margarets Avenue, Sidcup, DA15 7NP
• Sold Jul 2023£680,000 | 4 Bed House79, Harland Avenue, Sidcup, DA15 7NY79, Harland Avenue, Sidcup, DA15 7NY
• Sold Nov 2022£650,000 | 3 Bed House28, Frensham Road, London, SE9 3RQ28, Frensham Road, London, SE9 3RQ
• 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 Nov 2021£588,000 | 4 Bed House14, Telford Road, London, SE9 3RD14, Telford Road, London, SE9 3RD
• Sold May 2019£485,000 | 4 Bed House158, Harland Avenue, Sidcup, DA15 7PA158, Harland Avenue, Sidcup, DA15 7PA
• Sold Jan 2018£530,000 | 4 Bed House41, Marechal Niel Avenue, Sidcup, DA15 7PB41, Marechal Niel Avenue, Sidcup, DA15 7PB
• Sold Dec 2017£560,000 | 4 Bed House35, Marechal Niel Avenue, Sidcup, DA15 7PB35, Marechal Niel Avenue, Sidcup, DA15 7PB
• Sold Sep 2016£505,000 | 4 Bed House131, Harland Avenue, Sidcup, DA15 7NZ131, Harland Avenue, Sidcup, DA15 7NZ
• Sold Feb 2016£450,000 | 4 Bed House28, St. Margarets Avenue, Sidcup, DA15 7NP28, St. Margarets Avenue, Sidcup, DA15 7NP

Our analysis of the public data ranks 17, St. Margarets Avenue, Sidcup as the 18th largest and the 18th most expensive of the 34 addresses on St. Margarets Avenue, Sidcup, DA15.

Against the DA15 postcode district average, it is £102k 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.