According to data from HM Land Registry, 10, Welbeck Avenue, Sidcup sits on a plot of 356 m².

We have plot size data on 14 out of 14 other houses in the postcode and 10, Welbeck Avenue, Sidcup sits on the 13th largest plot.

10, Welbeck Avenue, Sidcup has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 29 Dec 2020.

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

According to HM Land Registry, 10, Welbeck Avenue, Sidcup was last sold on 2nd March 2026 for £656,000 and was recorded as a freehold house.

The property has had 2 sales since 1995.

Since March 2026, the market for similar properties has dropped by 12.4%.

• Sold Mar 2026£656,000
• Sold Mar 2021£610,000

According to the Land Registry and our network of Estate Agents, there have been 243 sales of properties similar to 10, Welbeck Avenue, Sidcup within a radius of 680 metres since 2016.

The most recent example is 22, Collindale Avenue, Sidcup, DA15 9DW, a freehold house which sold for £575,000 on the 10th April 2026.

Read more about house prices in DA15.

• Sold Apr 2026£575,000 | 4 Bed House22, Collindale Avenue, Sidcup, DA15 9DW22, Collindale Avenue, Sidcup, DA15 9DW
• Sold Mar 2025£580,000 | 4 Bed House30, Collindale Avenue, Sidcup, DA15 9DW30, Collindale Avenue, Sidcup, DA15 9DW
• Sold Mar 2025£610,000 | 4 Bed House59, Burnt Oak Lane, Sidcup, DA15 9BZ59, Burnt Oak Lane, Sidcup, DA15 9BZ
• Sold Feb 2025£585,000 | 4 Bed House6, Montrose Avenue, Sidcup, DA15 9DR6, Montrose Avenue, Sidcup, DA15 9DR
• Sold Sep 2024£700,000 | 4 Bed House3, Chatsworth Avenue, Sidcup, DA15 9BS3, Chatsworth Avenue, Sidcup, DA15 9BS
• Sold Jul 2024£585,000 | 4 Bed House5, Marlborough Park Avenue, Sidcup, DA15 9DL5, Marlborough Park Avenue, Sidcup, DA15 9DL
• Sold May 2024£550,000 | 4 Bed House7, Marlborough Park Avenue, Sidcup, DA15 9DL7, Marlborough Park Avenue, Sidcup, DA15 9DL
• Sold Mar 2024£550,000 | 4 Bed House5, Welbeck Avenue, Sidcup, DA15 9BU5, Welbeck Avenue, Sidcup, DA15 9BU
• Sold Nov 2023£725,000 | 4 Bed House48, Collindale Avenue, Sidcup, DA15 9DW48, Collindale Avenue, Sidcup, DA15 9DW
• Sold Nov 2023£640,000 | 4 Bed House7, Welbeck Avenue, Sidcup, DA15 9BU7, Welbeck Avenue, Sidcup, DA15 9BU
• Sold Mar 2023£768,000 | 4 Bed House2, Welbeck Avenue, Sidcup, DA15 9BU2, Welbeck Avenue, Sidcup, DA15 9BU
• Sold Feb 2023£615,000 | 4 Bed House6, Collindale Avenue, Sidcup, DA15 9DW6, Collindale Avenue, Sidcup, DA15 9DW
• Sold Jan 2023£281,000 | 4 Bed House27, Montrose Avenue, Sidcup, DA15 9DT27, Montrose Avenue, Sidcup, DA15 9DT
• Sold Aug 2022£687,500 | 4 Bed House105, Burnt Oak Lane, Sidcup, DA15 9DD105, Burnt Oak Lane, Sidcup, DA15 9DD
• Sold Dec 2020£562,500 | 4 Bed House11, Marlborough Park Avenue, Sidcup, DA15 9DL11, Marlborough Park Avenue, Sidcup, DA15 9DL
• Sold Feb 2020£545,000 | 4 Bed House25, Burnt Oak Lane, Sidcup, DA15 9DB25, Burnt Oak Lane, Sidcup, DA15 9DB
• Sold Nov 2019£540,000 | 4 Bed House87, Burnt Oak Lane, Sidcup, DA15 9DD87, Burnt Oak Lane, Sidcup, DA15 9DD
• Sold Oct 2019£475,000 | 4 Bed House85, Burnt Oak Lane, Sidcup, DA15 9DD85, Burnt Oak Lane, Sidcup, DA15 9DD
• Sold Jul 2019£570,000 | 4 Bed House35, Burnt Oak Lane, Sidcup, DA15 9BZ35, Burnt Oak Lane, Sidcup, DA15 9BZ
• Sold Mar 2016£450,000 | 4 Bed House11, Chatsworth Avenue, Sidcup, DA15 9BS11, Chatsworth Avenue, Sidcup, DA15 9BS

Welbeck Avenue, Sidcup, DA15 has a total of 14 addresses. According to our analysis of all the public data, 10, Welbeck Avenue, Sidcup is the 8th largest and the 8th most expensive property on the street.

When compared to the postcode district it is £134k more expensive than the average property in DA15.

• Chatsworth Infant School

  100 m away
• Holy Trinity Lamorbey Church of England School

  200 m away
• Burnt Oak Junior School

  300 m away

• Chislehurst and Sidcup Grammar School

  500 m away
• Hurstmere School

  800 m away
• Blackfen School for Girls

  1.2 km away

• Sidcup

  |

  600 m away
• Albany Park

  |

  1.6 km away
• New Eltham

  |

  2.3 km away

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