According to data from HM Land Registry, 20, Leechcroft Avenue, Sidcup sits on a plot of 295 m².

We have plot size data on 15 out of 15 other houses in the postcode and 20, Leechcroft Avenue, Sidcup sits on the 4th largest plot.

20, Leechcroft Avenue, Sidcup has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 30 Oct 2025.

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, Leechcroft Avenue, Sidcup was last sold on 30th January 2026 for £575,000 and was recorded as a freehold house.

The property has had 2 sales since 1995.

Since January 2026, the market for similar properties has risen by 7.3%.

• Sold Jan 2026£575,000
• Sold Nov 2024£420,000

According to the Land Registry and our network of Estate Agents, there have been 363 sales of properties similar to 20, Leechcroft Avenue, Sidcup within a radius of 480 metres since 2020.

The most recent example is 167, Sutherland Avenue, Welling, DA16 2NW, a freehold house which sold for £465,000 on the 26th February 2026.

Read more about house prices in DA15.

• Sold Feb 2026£465,000 | 3 Bed House167, Sutherland Avenue, Welling, DA16 2NW167, Sutherland Avenue, Welling, DA16 2NW
• Sold Nov 2025£405,000 | 3 Bed House135, Blackfen Road, Sidcup, DA15 8PZ135, Blackfen Road, Sidcup, DA15 8PZ
• Sold Oct 2025£485,000 | 3 Bed House7, Leechcroft Avenue, Sidcup, DA15 8RR7, Leechcroft Avenue, Sidcup, DA15 8RR
• Sold Sep 2025£470,000 | 3 Bed House56, Orchard Rise East, Sidcup, DA15 8RT56, Orchard Rise East, Sidcup, DA15 8RT
• Sold Apr 2025£379,000 | 3 Bed House6, Ridgeway East, Sidcup, DA15 8RZ6, Ridgeway East, Sidcup, DA15 8RZ
• Sold Mar 2025£490,000 | 3 Bed House10, Leechcroft Avenue, Sidcup, DA15 8RS10, Leechcroft Avenue, Sidcup, DA15 8RS
• Sold Mar 2024£435,000 | 3 Bed House104, Lyndon Avenue, Sidcup, DA15 8RN104, Lyndon Avenue, Sidcup, DA15 8RN
• Sold Nov 2023£375,000 | 3 Bed House95, Lyndon Avenue, Sidcup, DA15 8RW95, Lyndon Avenue, Sidcup, DA15 8RW
• Sold Oct 2023£432,000 | 3 Bed House20, Orchard Rise East, Sidcup, DA15 8RT20, Orchard Rise East, Sidcup, DA15 8RT
• Sold Sep 2023£440,000 | 3 Bed House8, Ridgeway East, Sidcup, DA15 8RZ8, Ridgeway East, Sidcup, DA15 8RZ
• Sold Sep 2023£490,000 | 3 Bed House181, Blackfen Road, Sidcup, DA15 8PY181, Blackfen Road, Sidcup, DA15 8PY
• Sold Apr 2023£415,000 | 3 Bed House39, Leechcroft Avenue, Sidcup, DA15 8RR39, Leechcroft Avenue, Sidcup, DA15 8RR
• Sold Apr 2023£483,000 | 3 Bed House21, Orchard Rise East, Sidcup, DA15 8RU21, Orchard Rise East, Sidcup, DA15 8RU
• Sold Apr 2023£370,000 | 3 Bed House138, Lyndon Avenue, Sidcup, DA15 8RN138, Lyndon Avenue, Sidcup, DA15 8RN
• Sold Nov 2022£440,000 | 3 Bed House116, Lyndon Avenue, Sidcup, DA15 8RN116, Lyndon Avenue, Sidcup, DA15 8RN
• Sold Sep 2022£430,000 | 3 Bed House37, Orchard Rise East, Sidcup, DA15 8RU37, Orchard Rise East, Sidcup, DA15 8RU
• Sold Jun 2021£390,000 | 3 Bed House129, Lyndon Avenue, Sidcup, DA15 8RW129, Lyndon Avenue, Sidcup, DA15 8RW
• Sold Mar 2021£357,500 | 3 Bed House119, Lyndon Avenue, Sidcup, DA15 8RW119, Lyndon Avenue, Sidcup, DA15 8RW
• Sold Mar 2021£432,500 | 3 Bed House15, Leechcroft Avenue, Sidcup, DA15 8RR15, Leechcroft Avenue, Sidcup, DA15 8RR
• Sold Jul 2020£408,000 | 3 Bed House22, Leechcroft Avenue, Sidcup, DA15 8RS22, Leechcroft Avenue, Sidcup, DA15 8RS

Leechcroft Avenue, Sidcup, DA15 has a total of 46 addresses. According to our analysis of all the public data, 20, Leechcroft Avenue, Sidcup is the 28th largest and the 20th most expensive property on the street.

When compared to the postcode district it is £5k less expensive than the average property in DA15.

• Days Lane Primary School

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

  600 m away
• Alderwood Primary School

  800 m away

• Harris Academy Falconwood

  800 m away
• Bexley Grammar School

  900 m away
• Blackfen School for Girls

  1.2 km away

• Welling

  |

  1.4 km away
• Falconwood

  |

  1.4 km away
• Sidcup

  |

  2.1 km away

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