According to data from HM Land Registry, 21, Marechal Niel Avenue, Sidcup sits on a plot of 368 m².

We have plot size data on 25 out of 25 other houses in the postcode and 21, Marechal Niel Avenue, Sidcup sits on the 7th largest plot.

21, Marechal Niel Avenue, Sidcup has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 20 Nov 2013.

The property is not connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).

According to the Land Registry and our network of Estate Agents, there have been 168 sales of properties similar to 21, Marechal Niel Avenue, Sidcup within a radius of 620 metres since 2017.

The most recent example is 2, Brendon Road, London, SE9 3RP, a freehold house which sold for £805,000 on the 20th February 2026.

Read more about house prices in DA15.

• Sold Feb 2026£805,000 | 4 Bed House2, Brendon Road, London, SE9 3RP2, Brendon Road, London, SE9 3RP
• Sold Sep 2025£860,000 | 4 Bed House57, Harland Avenue, Sidcup, DA15 7NY57, Harland Avenue, Sidcup, DA15 7NY
• Sold Jul 2025£763,800 | 4 Bed House15, Marechal Niel Avenue, Sidcup, DA15 7PB15, Marechal Niel Avenue, Sidcup, DA15 7PB
• Sold Mar 2025£827,000 | 5 Bed House117, Harland Avenue, Sidcup, DA15 7NZ117, Harland Avenue, Sidcup, DA15 7NZ
• Sold Mar 2025£750,000 | 4 Bed House50, Brooklands Avenue, Sidcup, DA15 7PJ50, Brooklands Avenue, Sidcup, DA15 7PJ
• Sold Mar 2025£800,000 | 4 Bed House71, Longlands Road, Sidcup, DA15 7LQ71, Longlands Road, Sidcup, DA15 7LQ
• Sold Aug 2024£715,000 | 4 Bed House6, Westbrooke Road, Sidcup, DA15 7PH6, Westbrooke Road, Sidcup, DA15 7PH
• Sold Aug 2024£760,000 | 5 Bed House123, Harland Avenue, Sidcup, DA15 7NZ123, Harland Avenue, Sidcup, DA15 7NZ
• Sold Feb 2024£725,000 | 4 Bed House14, St. Margarets Avenue, Sidcup, DA15 7NP14, St. Margarets Avenue, Sidcup, DA15 7NP
• Sold Nov 2023£705,000 | 4 Bed House19, Telford Road, London, SE9 3RE19, Telford Road, London, SE9 3RE
• Sold Jun 2023£645,000 | 4 Bed House115, Harland Avenue, Sidcup, DA15 7NZ115, Harland Avenue, Sidcup, DA15 7NZ
• Sold Dec 2022£660,000 | 4 Bed House7, Marechal Niel Avenue, Sidcup, DA15 7PB7, Marechal Niel Avenue, Sidcup, DA15 7PB
• Sold Sep 2022£680,000 | 4 Bed House61, Harland Avenue, Sidcup, DA15 7NY61, Harland Avenue, Sidcup, DA15 7NY
• Sold Sep 2022£780,000 | 4 Bed House36, Westbrooke Road, Sidcup, DA15 7PH36, Westbrooke Road, Sidcup, DA15 7PH
• Sold Jul 2022£810,000 | 4 Bed House36, Harland Avenue, Sidcup, DA15 7PQ36, Harland Avenue, Sidcup, DA15 7PQ
• Sold Apr 2022£671,000 | 4 Bed House154, Harland Avenue, Sidcup, DA15 7PA154, Harland Avenue, Sidcup, DA15 7PA
• Sold Mar 2022£770,000 | 4 Bed House148, Harland Avenue, Sidcup, DA15 7PA148, Harland Avenue, Sidcup, DA15 7PA
• Sold Jun 2021£660,000 | 4 Bed House125, Harland Avenue, Sidcup, DA15 7NZ125, Harland Avenue, Sidcup, DA15 7NZ
• Sold Oct 2020£580,000 | 4 Bed House63, Harland Avenue, Sidcup, DA15 7NY63, Harland Avenue, Sidcup, DA15 7NY
• Sold Aug 2017£575,000 | 4 Bed House6, St. Margarets Avenue, Sidcup, DA15 7NP6, St. Margarets Avenue, Sidcup, DA15 7NP

Marechal Niel Avenue, Sidcup, DA15 has a total of 51 addresses. According to our analysis of all the public data, 21, Marechal Niel Avenue, Sidcup is the 6th largest and the 5th most expensive property on the street.

When compared to the postcode district it is £227k more expensive than the average property in DA15.

• Dulverton Primary School

  500 m away
• Longlands Primary School

  500 m away
• Edgebury Primary School

  1.0 km away

• Chislehurst School for Girls

  1.5 km away
• Chislehurst and Sidcup Grammar School

  1.8 km away
• Hurstmere School

  2.3 km away

• New Eltham

  |

  1.1 km away
• Sidcup

  |

  1.4 km away
• Mottingham

  |

  2.4 km away

According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.