20, Lyndon Avenue, Sidcup occupies a 311 m² plot as recorded by HM Land Registry.

Of the 37 other houses in this postcode, 27 have recorded plot sizes, and this one ranks as the 5th largest.

20, Lyndon Avenue, Sidcup has an Energy Performance Rating (EPC) of F. This is based on the most recent assessment, dated 11 Apr 2017.

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

20, Lyndon Avenue, Sidcup last changed hands on 24th March 2023, selling for £475,000. The transaction was logged as a freehold house by HM Land Registry.

In total it has sold twice since 1995.

The market for similar properties has risen by 8.4% since March 2023.

• Sold Mar 2023£475,000
• Sold Aug 2017£325,000

Land Registry records and our Estate Agent network show 307 sales of comparable properties within 470 metres of 20, Lyndon Avenue, Sidcup since 2022.

Most recently, 59, Lyndon Avenue, Sidcup, DA15 8RL, a freehold house, sold at £400,000 on the 29th May 2026.

Read more about house prices in DA15.

• Sold May 2026£400,000 | 3 Bed House59, Lyndon Avenue, Sidcup, DA15 8RL59, Lyndon Avenue, Sidcup, DA15 8RL
• Sold Jan 2026£410,000 | 3 Bed House21, Curran Avenue, Sidcup, DA15 8RP21, Curran Avenue, Sidcup, DA15 8RP
• Sold Jan 2026£450,000 | 3 Bed House69, Sutherland Avenue, Welling, DA16 2NN69, Sutherland Avenue, Welling, DA16 2NN
• Sold Dec 2025£420,000 | 3 Bed House274, Days Lane, Sidcup, DA15 8PG274, Days Lane, Sidcup, DA15 8PG
• Sold Nov 2025£437,500 | 3 Bed House73, Wendover Way, Welling, DA16 2BW73, Wendover Way, Welling, DA16 2BW
• Sold Oct 2025£429,000 | 3 Bed House65, Lyndon Avenue, Sidcup, DA15 8RL65, Lyndon Avenue, Sidcup, DA15 8RL
• Sold Sep 2025£367,000 | 3 Bed House37, Lyndon Avenue, Sidcup, DA15 8RL37, Lyndon Avenue, Sidcup, DA15 8RL
• Sold Aug 2025£500,000 | 3 Bed House258, Days Lane, Sidcup, DA15 8PG258, Days Lane, Sidcup, DA15 8PG
• Sold Aug 2025£335,000 | 3 Bed House76, Ingleton Avenue, Welling, DA16 2JU76, Ingleton Avenue, Welling, DA16 2JU
• Sold Jun 2025£450,000 | 3 Bed House76, Birch Grove, Welling, DA16 2JW76, Birch Grove, Welling, DA16 2JW
• Sold May 2025£415,000 | 3 Bed House100, Lyndon Avenue, Sidcup, DA15 8RN100, Lyndon Avenue, Sidcup, DA15 8RN
• Sold Apr 2025£385,000 | 3 Bed House45, Lyndon Avenue, Sidcup, DA15 8RL45, Lyndon Avenue, Sidcup, DA15 8RL
• Sold Feb 2025£380,000 | 3 Bed House3, Curran Avenue, Sidcup, DA15 8RP3, Curran Avenue, Sidcup, DA15 8RP
• Sold Aug 2024£403,000 | 3 Bed House77, Lyndon Avenue, Sidcup, DA15 8RL77, Lyndon Avenue, Sidcup, DA15 8RL
• Sold Jul 2024£391,000 | 3 Bed House34, Maple Crescent, Sidcup, DA15 9LT34, Maple Crescent, Sidcup, DA15 9LT
• Sold Apr 2024£390,000 | 3 Bed House5, Maple Crescent, Sidcup, DA15 9LT5, Maple Crescent, Sidcup, DA15 9LT
• Sold Nov 2023£366,000 | 3 Bed House73, Lyndon Avenue, Sidcup, DA15 8RL73, Lyndon Avenue, Sidcup, DA15 8RL
• Sold Sep 2023£350,000 | 3 Bed House50, Sycamore Avenue, Sidcup, DA15 8PL50, Sycamore Avenue, Sidcup, DA15 8PL
• Sold Jul 2022£435,000 | 3 Bed House32, Sycamore Avenue, Sidcup, DA15 8PL32, Sycamore Avenue, Sidcup, DA15 8PL
• Sold Mar 2022£390,000 | 3 Bed House668, East Rochester Way, Sidcup, DA15 8PA668, East Rochester Way, Sidcup, DA15 8PA

Our analysis of the public data ranks 20, Lyndon Avenue, Sidcup as the 96th largest and the 68th most expensive of the 163 addresses on Lyndon Avenue, Sidcup, DA15.

Against the DA15 postcode district average, it is £79k less expensive than the typical property.

• Days Lane Primary School

  600 m away
• Danson Primary School

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

  800 m away

• Bexley Grammar School

  600 m away
• Blackfen School for Girls

  800 m away
• Harris Academy Falconwood

  1.1 km away

• Welling

  |

  1.4 km away
• Falconwood

  |

  1.8 km away
• Sidcup

  |

  2.0 km away

Environment Agency data suggests this area has a Very Low risk of flooding.