75, Harborough Avenue, Sidcup occupies a 162 m² plot as recorded by HM Land Registry.

Of the 41 other houses in this postcode, 37 have recorded plot sizes, and this one ranks as the 36th largest.

75, Harborough Avenue, Sidcup has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 09 Jul 2020.

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

75, Harborough Avenue, Sidcup last changed hands on 1st December 2025, selling for £390,000. The transaction was logged as a freehold house by HM Land Registry.

In total it has sold 4 times since 1995.

The market for similar properties has dropped by 1.4% since December 2025.

• Sold Dec 2025£390,000
• Sold Feb 2021£317,500
• Sold Jan 2004£164,000

Land Registry records and our Estate Agent network show 171 sales of comparable properties within 510 metres of 75, Harborough Avenue, Sidcup since 2019.

Most recently, 43, Beverley Avenue, Sidcup, DA15 8HF, a freehold house, sold at £415,000 on the 24th March 2026.

Read more about house prices in DA15.

• Sold Mar 2026£415,000 | 3 Bed House43, Beverley Avenue, Sidcup, DA15 8HF43, Beverley Avenue, Sidcup, DA15 8HF
• Sold Nov 2025£410,000 | 2 Bed House87, Beverley Avenue, Sidcup, DA15 8HF87, Beverley Avenue, Sidcup, DA15 8HF
• Sold Jun 2025£417,500 | 2 Bed House79, Beverley Avenue, Sidcup, DA15 8HF79, Beverley Avenue, Sidcup, DA15 8HF
• Sold May 2025£400,000 | 2 Bed House51, Holbeach Gardens, Sidcup, DA15 8QW51, Holbeach Gardens, Sidcup, DA15 8QW
• Sold Mar 2025£410,000 | 2 Bed House158, Days Lane, Sidcup, DA15 8JS158, Days Lane, Sidcup, DA15 8JS
• Sold Jan 2025£375,000 | 2 Bed House23, Oaklands Avenue, Sidcup, DA15 8NF23, Oaklands Avenue, Sidcup, DA15 8NF
• Sold Jan 2025£380,000 | 2 Bed House5, Caithness Gardens, Sidcup, DA15 8HS5, Caithness Gardens, Sidcup, DA15 8HS
• Sold Aug 2024£355,000 | 2 Bed House6, Harborough Avenue, Sidcup, DA15 8HP6, Harborough Avenue, Sidcup, DA15 8HP
• Sold Jun 2024£378,250 | 3 Bed House3, Harborough Avenue, Sidcup, DA15 8HL3, Harborough Avenue, Sidcup, DA15 8HL
• Sold May 2024£341,000 | 2 Bed House39, Oaklands Avenue, Sidcup, DA15 8NE39, Oaklands Avenue, Sidcup, DA15 8NE
• Sold Jan 2024£408,500 | 3 Bed House73, Beverley Avenue, Sidcup, DA15 8HF73, Beverley Avenue, Sidcup, DA15 8HF
• Sold Sep 2023£405,000 | 3 Bed House44, Harborough Avenue, Sidcup, DA15 8HP44, Harborough Avenue, Sidcup, DA15 8HP
• Sold Aug 2023£485,000 | 3 Bed House149, Days Lane, Sidcup, DA15 8JT149, Days Lane, Sidcup, DA15 8JT
• Sold May 2023£420,000 | 2 Bed House52, Berwick Crescent, Sidcup, DA15 8HR52, Berwick Crescent, Sidcup, DA15 8HR
• Sold Mar 2023£425,000 | 2 Bed House48, Berwick Crescent, Sidcup, DA15 8HR48, Berwick Crescent, Sidcup, DA15 8HR
• Sold Aug 2022£403,000 | 3 Bed House51, Harborough Avenue, Sidcup, DA15 8HL51, Harborough Avenue, Sidcup, DA15 8HL
• Sold May 2022£425,000 | 3 Bed House59, Oaklands Avenue, Sidcup, DA15 8NE59, Oaklands Avenue, Sidcup, DA15 8NE
• Sold Feb 2021£385,000 | 2 Bed House15, Harborough Avenue, Sidcup, DA15 8HL15, Harborough Avenue, Sidcup, DA15 8HL
• Sold Sep 2019£312,500 | 2 Bed House132, Days Lane, Sidcup, DA15 8JS132, Days Lane, Sidcup, DA15 8JS
• Sold Aug 2019£342,500 | 2 Bed House70, Harborough Avenue, Sidcup, DA15 8HP70, Harborough Avenue, Sidcup, DA15 8HP

Our analysis of the public data ranks 75, Harborough Avenue, Sidcup as the 66th largest and the 66th most expensive of the 81 addresses on Harborough Avenue, Sidcup, DA15.

Against the DA15 postcode district average, it is £113k less expensive than the typical property.

• Our Lady of the Rosary Catholic Primary School

  400 m away
• Days Lane Primary School

  500 m away
• Alderwood Primary School

  700 m away

• Chislehurst and Sidcup Grammar School

  1.4 km away
• Blackfen School for Girls

  1.4 km away
• Leigh Stationers' Academy

  1.5 km away

• Sidcup

  |

  1.3 km away
• New Eltham

  |

  1.7 km away
• Falconwood

  |

  1.9 km away

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