According to data from HM Land Registry, 20, Willersley Avenue, Sidcup sits on a plot of 436 m².

We have plot size data on 34 out of 34 other houses in the postcode and 20, Willersley Avenue, Sidcup sits on the 18th largest plot.

20, Willersley Avenue, Sidcup has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 04 Mar 2016.

The property is connected to mains gas and has mostly multiple glazing. It is heated using a boiler and radiators (mains gas).

According to HM Land Registry, 20, Willersley Avenue, Sidcup was last sold on 16th December 2016 for £460,000 and was recorded as a freehold house.

The property has only had this single sale since 1995.

Since December 2016, the market for similar properties has risen by 18.8%.

• Sold Dec 2016£460,000

According to the Land Registry and our network of Estate Agents, there have been 202 sales of properties similar to 20, Willersley Avenue, Sidcup within a radius of 540 metres since 2019.

The most recent example is 1, Harborough Avenue, Sidcup, DA15 8HL, a freehold house which sold for £585,000 on the 27th November 2025.

Read more about house prices in DA15.

• Sold Nov 2025£585,000 | 4 Bed House1, Harborough Avenue, Sidcup, DA15 8HL1, Harborough Avenue, Sidcup, DA15 8HL
• Sold Nov 2025£545,000 | 4 Bed House47, Pinewood Avenue, Sidcup, DA15 8BB47, Pinewood Avenue, Sidcup, DA15 8BB
• Sold Sep 2025£632,500 | 4 Bed House33, Annandale Road, Sidcup, DA15 8EY33, Annandale Road, Sidcup, DA15 8EY
• Sold Mar 2025£625,000 | 4 Bed House29, Braundton Avenue, Sidcup, DA15 8EN29, Braundton Avenue, Sidcup, DA15 8EN
• Sold Mar 2025£680,000 | 4 Bed House144, Halfway Street, Sidcup, DA15 8DB144, Halfway Street, Sidcup, DA15 8DB
• Sold Dec 2024£650,000 | 4 Bed House63, Woodlands Avenue, Sidcup, DA15 8HB63, Woodlands Avenue, Sidcup, DA15 8HB
• Sold Jul 2024£625,000 | 4 Bed House89, Willersley Avenue, Sidcup, DA15 9EG89, Willersley Avenue, Sidcup, DA15 9EG
• Sold Jul 2024£600,000 | 4 Bed House7, Lamorbey Close, Sidcup, DA15 8BA7, Lamorbey Close, Sidcup, DA15 8BA
• Sold Aug 2023£665,000 | 4 Bed House17, Willersley Avenue, Sidcup, DA15 9EJ17, Willersley Avenue, Sidcup, DA15 9EJ
• Sold Jun 2023£620,000 | 4 Bed House87, Willersley Avenue, Sidcup, DA15 9EG87, Willersley Avenue, Sidcup, DA15 9EG
• Sold Jun 2023£600,000 | 4 Bed House28, Willersley Avenue, Sidcup, DA15 9EW28, Willersley Avenue, Sidcup, DA15 9EW
• Sold Apr 2023£624,000 | 4 Bed House59, Braundton Avenue, Sidcup, DA15 8EN59, Braundton Avenue, Sidcup, DA15 8EN
• Sold Feb 2023£600,000 | 4 Bed House6, Shuttle Close, Sidcup, DA15 8EP6, Shuttle Close, Sidcup, DA15 8EP
• Sold Oct 2022£595,000 | 4 Bed House47, Beverley Avenue, Sidcup, DA15 8HF47, Beverley Avenue, Sidcup, DA15 8HF
• Sold Oct 2022£550,000 | 4 Bed House82, Wyncham Avenue, Sidcup, DA15 8ER82, Wyncham Avenue, Sidcup, DA15 8ER
• Sold Jul 2021£635,000 | 4 Bed House31, Willersley Avenue, Sidcup, DA15 9EJ31, Willersley Avenue, Sidcup, DA15 9EJ
• Sold Mar 2021£595,000 | 4 Bed House58, Braundton Avenue, Sidcup, DA15 8EW58, Braundton Avenue, Sidcup, DA15 8EW
• Sold Mar 2021£549,100 | 4 Bed House4, Willersley Avenue, Sidcup, DA15 9EW4, Willersley Avenue, Sidcup, DA15 9EW
• Sold Oct 2020£678,000 | 4 Bed House36, Braundton Avenue, Sidcup, DA15 8EW36, Braundton Avenue, Sidcup, DA15 8EW
• Sold Feb 2019£565,000 | 4 Bed House33, Braundton Avenue, Sidcup, DA15 8EN33, Braundton Avenue, Sidcup, DA15 8EN

Willersley Avenue, Sidcup, DA15 has a total of 154 addresses. According to our analysis of all the public data, 20, Willersley Avenue, Sidcup is the 79th largest and the 107th most expensive property on the street.

When compared to the postcode district it is £79k more expensive than the average property in DA15.

• Burnt Oak Junior School

  500 m away
• Holy Trinity Lamorbey Church of England School

  600 m away
• Chatsworth Infant School

  700 m away

• Chislehurst and Sidcup Grammar School

  1.0 km away
• Hurstmere School

  1.3 km away
• Blackfen School for Girls

  1.4 km away

• Sidcup

  |

  900 m away
• New Eltham

  |

  1.8 km away
• Albany Park

  |

  2.2 km away

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