According to data from HM Land Registry, 21, Elmcroft Avenue, Sidcup sits on a plot of 345 m².

We have plot size data on 25 out of 25 other houses in the postcode and 21, Elmcroft Avenue, Sidcup sits on the 4th largest plot.

21, Elmcroft Avenue, Sidcup has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 08 Jul 2009.

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, 21, Elmcroft Avenue, Sidcup was last sold on 26th May 2017 for £631,000 and was recorded as a freehold house.

The property has had 2 sales since 1995.

Since May 2017, the market for similar properties has risen by 19.6%.

• Sold May 2017£631,000
• Sold Oct 2009£250,000

According to the Land Registry and our network of Estate Agents, there have been 256 sales of properties similar to 21, Elmcroft Avenue, Sidcup within a radius of 520 metres since 2017.

The most recent example is 287, Days Lane, Sidcup, DA15 8PQ, a leasehold house which sold for £465,000 on the 29th May 2026.

Read more about house prices in DA15.

• Sold May 2026£465,000 | 3 Bed House287, Days Lane, Sidcup, DA15 8PQ287, Days Lane, Sidcup, DA15 8PQ
• Sold Mar 2026£431,000 | 3 Bed House9, Ashcroft Crescent, Sidcup, DA15 8NT9, Ashcroft Crescent, Sidcup, DA15 8NT
• Sold Mar 2026£525,000 | 3 Bed House46, Wellington Avenue, Sidcup, DA15 9HE46, Wellington Avenue, Sidcup, DA15 9HE
• Sold Jan 2026£505,000 | 3 Bed House271, Burnt Oak Lane, Sidcup, DA15 8LR271, Burnt Oak Lane, Sidcup, DA15 8LR
• Sold Sep 2025£530,000 | 3 Bed House2, Sycamore Avenue, Sidcup, DA15 8PL2, Sycamore Avenue, Sidcup, DA15 8PL
• Sold Aug 2025£555,000 | 3 Bed House26, Ashcroft Avenue, Sidcup, DA15 8NP26, Ashcroft Avenue, Sidcup, DA15 8NP
• Sold Mar 2025£530,000 | 3 Bed House200, Burnt Oak Lane, Sidcup, DA15 9DG200, Burnt Oak Lane, Sidcup, DA15 9DG
• Sold Oct 2024£470,000 | 3 Bed House22, Cedar Avenue, Sidcup, DA15 8NL22, Cedar Avenue, Sidcup, DA15 8NL
• Sold Sep 2024£437,000 | 3 Bed House30, Beech Avenue, Sidcup, DA15 8NH30, Beech Avenue, Sidcup, DA15 8NH
• Sold Aug 2024£525,000 | 3 Bed House284, Burnt Oak Lane, Sidcup, DA15 8LN284, Burnt Oak Lane, Sidcup, DA15 8LN
• Sold May 2024£490,000 | 3 Bed House24, Beech Avenue, Sidcup, DA15 8NH24, Beech Avenue, Sidcup, DA15 8NH
• Sold May 2024£490,000 | 3 Bed House131, Wellington Avenue, Sidcup, DA15 9HB131, Wellington Avenue, Sidcup, DA15 9HB
• Sold Aug 2023£483,000 | 3 Bed House11, Elmcroft Avenue, Sidcup, DA15 8NW11, Elmcroft Avenue, Sidcup, DA15 8NW
• Sold Jun 2023£527,000 | 3 Bed House34, Elmcroft Avenue, Sidcup, DA15 8NN34, Elmcroft Avenue, Sidcup, DA15 8NN
• Sold Jun 2023£476,000 | 3 Bed House26, Haddon Grove, Sidcup, DA15 8NA26, Haddon Grove, Sidcup, DA15 8NA
• Sold Dec 2022£550,000 | 3 Bed House18, Cedar Avenue, Sidcup, DA15 8NL18, Cedar Avenue, Sidcup, DA15 8NL
• Sold Mar 2022£540,000 | 3 Bed House36, Elmcroft Avenue, Sidcup, DA15 8NN36, Elmcroft Avenue, Sidcup, DA15 8NN
• Sold Sep 2021£458,000 | 4 Bed House47, Elmcroft Avenue, Sidcup, DA15 8NW47, Elmcroft Avenue, Sidcup, DA15 8NW
• Sold Jun 2021£500,000 | 3 Bed House54, Elmcroft Avenue, Sidcup, DA15 8NN54, Elmcroft Avenue, Sidcup, DA15 8NN
• Sold Dec 2017£475,000 | 3 Bed House38, Elmcroft Avenue, Sidcup, DA15 8NN38, Elmcroft Avenue, Sidcup, DA15 8NN

Elmcroft Avenue, Sidcup, DA15 has a total of 63 addresses. According to our analysis of all the public data, 21, Elmcroft Avenue, Sidcup is the 42nd largest and the 47th most expensive property on the street.

When compared to the postcode district it is £38k more expensive than the average property in DA15.

• Days Lane Primary School

  200 m away
• Our Lady of the Rosary Catholic Primary School

  600 m away
• Chatsworth Infant School

  800 m away

• Blackfen School for Girls

  900 m away
• Bexley Grammar School

  1.2 km away
• Chislehurst and Sidcup Grammar School

  1.3 km away

• Sidcup

  |

  1.4 km away
• Welling

  |

  2.0 km away
• Falconwood

  |

  2.0 km away

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