According to data from HM Land Registry, 20, Ashcroft Avenue, Sidcup sits on a plot of 264 m².

We have plot size data on 16 out of 16 other houses in the postcode and 20, Ashcroft Avenue, Sidcup sits on the 12th largest plot.

20, Ashcroft Avenue, Sidcup has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 21 Nov 2019.

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, 20, Ashcroft Avenue, Sidcup was last sold on 19th March 2021 for £440,000 and was recorded as a freehold house.

The property has had 3 sales since 1995.

Since March 2021, the market for similar properties has risen by 9.4%.

• Sold Mar 2021£440,000
• Sold Jun 2007£262,000
• Sold Aug 2003£215,000

According to the Land Registry and our network of Estate Agents, there have been 221 sales of properties similar to 20, Ashcroft Avenue, Sidcup within a radius of 490 metres since 2019.

The most recent example is 19, Ashcroft Avenue, Sidcup, DA15 8NS, a freehold house which sold for £470,000 on the 24th April 2026.

Read more about house prices in DA15.

• Sold Apr 2026£470,000 | 3 Bed House19, Ashcroft Avenue, Sidcup, DA15 8NS19, Ashcroft Avenue, Sidcup, DA15 8NS
• Sold Mar 2026£431,000 | 3 Bed House9, Ashcroft Crescent, Sidcup, DA15 8NT9, Ashcroft Crescent, Sidcup, DA15 8NT
• Sold Feb 2026£466,250 | 3 Bed House5, Ashcroft Avenue, Sidcup, DA15 8NS5, Ashcroft Avenue, Sidcup, DA15 8NS
• Sold Jan 2026£505,000 | 3 Bed House271, Burnt Oak Lane, Sidcup, DA15 8LR271, Burnt Oak Lane, Sidcup, DA15 8LR
• Sold Aug 2025£450,000 | 3 Bed House311, Days Lane, Sidcup, DA15 8PQ311, Days Lane, Sidcup, DA15 8PQ
• Sold Aug 2025£500,000 | 3 Bed House258, Days Lane, Sidcup, DA15 8PG258, Days Lane, Sidcup, DA15 8PG
• Sold Jun 2025£460,000 | 3 Bed House117, Wellington Avenue, Sidcup, DA15 9HB117, Wellington Avenue, Sidcup, DA15 9HB
• Sold Mar 2025£499,500 | 3 Bed House10, Wellington Avenue, Sidcup, DA15 9HG10, Wellington Avenue, Sidcup, DA15 9HG
• Sold Jan 2025£425,000 | 3 Bed House4, Wellington Avenue, Sidcup, DA15 9HG4, Wellington Avenue, Sidcup, DA15 9HG
• Sold Dec 2024£550,000 | 3 Bed House232, Days Lane, Sidcup, DA15 8PG232, Days Lane, Sidcup, DA15 8PG
• Sold Oct 2024£485,000 | 3 Bed House18, Ashcroft Avenue, Sidcup, DA15 8NP18, Ashcroft Avenue, Sidcup, DA15 8NP
• Sold Aug 2024£525,000 | 3 Bed House284, Burnt Oak Lane, Sidcup, DA15 8LN284, Burnt Oak Lane, Sidcup, DA15 8LN
• Sold Jun 2024£447,500 | 3 Bed House310, Burnt Oak Lane, Sidcup, DA15 8LN310, Burnt Oak Lane, Sidcup, DA15 8LN
• Sold Aug 2023£503,000 | 3 Bed House43, Ashcroft Avenue, Sidcup, DA15 8NS43, Ashcroft Avenue, Sidcup, DA15 8NS
• Sold Aug 2022£475,000 | 3 Bed House65, Wellington Avenue, Sidcup, DA15 9HF65, Wellington Avenue, Sidcup, DA15 9HF
• Sold Jun 2021£412,000 | 3 Bed House49, Ashcroft Avenue, Sidcup, DA15 8NS49, Ashcroft Avenue, Sidcup, DA15 8NS
• Sold Feb 2021£415,000 | 3 Bed House52, Wellington Avenue, Sidcup, DA15 9HE52, Wellington Avenue, Sidcup, DA15 9HE
• Sold Jul 2020£392,500 | 3 Bed House39, Wellington Avenue, Sidcup, DA15 9HF39, Wellington Avenue, Sidcup, DA15 9HF
• Sold Mar 2020£387,000 | 3 Bed House17, Ashcroft Crescent, Sidcup, DA15 8NT17, Ashcroft Crescent, Sidcup, DA15 8NT
• Sold Jan 2019£395,000 | 3 Bed House11, Ashcroft Crescent, Sidcup, DA15 8NT11, Ashcroft Crescent, Sidcup, DA15 8NT

Ashcroft Avenue, Sidcup, DA15 has a total of 56 addresses. According to our analysis of all the public data, 20, Ashcroft Avenue, Sidcup is the 46th largest and the 33rd most expensive property on the street.

When compared to the postcode district it is £8k less expensive than the average property in DA15.

• Days Lane Primary School

  300 m away
• Sherwood Park Primary School

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

  700 m away

• Blackfen School for Girls

  700 m away
• Bexley Grammar School

  1.0 km away
• Hurstmere School

  1.4 km away

• Sidcup

  |

  1.5 km away
• Welling

  |

  1.8 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.