HM Land Registry records the plot of land for 25, York Avenue, Sidcup as measuring 280 m².

That makes it the 15th largest plot in the postcode, where all 24 other houses have recorded plot data.

25, York Avenue, Sidcup has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 22 Sep 2025.

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

The most recent sale of 25, York Avenue, Sidcup completed on 16th March 2026 at £600,000 and was recorded by HM Land Registry as a freehold house.

Since 1995 this is the property's only sale.

Values of comparable properties have dropped by 4.9% over the period since March 2026.

• Sold Mar 2026£600,000

Since 2013 107 properties similar to 25, York Avenue, Sidcup have sold within a radius of 550 metres, per the Land Registry and our network of Estate Agents.

The latest, on the 2nd October 2025, was 28, Gloucester Avenue, Sidcup, DA15 7LL, a freehold house which sold for £715,000.

Read more about house prices in DA15.

• Sold Oct 2025£715,000 | 4 Bed House28, Gloucester Avenue, Sidcup, DA15 7LL28, Gloucester Avenue, Sidcup, DA15 7LL
• Sold Sep 2025£860,000 | 4 Bed House57, Harland Avenue, Sidcup, DA15 7NY57, Harland Avenue, Sidcup, DA15 7NY
• Sold Mar 2025£800,000 | 4 Bed House71, Longlands Road, Sidcup, DA15 7LQ71, Longlands Road, Sidcup, DA15 7LQ
• Sold Feb 2025£800,000 | 4 Bed House124, Old Farm Avenue, Sidcup, DA15 8AH124, Old Farm Avenue, Sidcup, DA15 8AH
• Sold Jan 2025£875,000 | 4 Bed House66, York Avenue, Sidcup, DA15 7LH66, York Avenue, Sidcup, DA15 7LH
• Sold Jan 2025£785,000 | 5 Bed House87, Longlands Road, Sidcup, DA15 7LQ87, Longlands Road, Sidcup, DA15 7LQ
• Sold Nov 2024£580,000 | 4 Bed House15, Little Birches, Sidcup, DA15 7LN15, Little Birches, Sidcup, DA15 7LN
• Sold Aug 2024£860,000 | 4 Bed House131, Old Farm Avenue, Sidcup, DA15 8AJ131, Old Farm Avenue, Sidcup, DA15 8AJ
• Sold Aug 2023£740,000 | 4 Bed House77, Longlands Road, Sidcup, DA15 7LQ77, Longlands Road, Sidcup, DA15 7LQ
• Sold May 2023£670,000 | 4 Bed House110, Longlands Road, Sidcup, DA15 7LF110, Longlands Road, Sidcup, DA15 7LF
• Sold Oct 2022£740,000 | 5 Bed House52, York Avenue, Sidcup, DA15 7LH52, York Avenue, Sidcup, DA15 7LH
• Sold Jul 2022£810,000 | 4 Bed House36, Harland Avenue, Sidcup, DA15 7PQ36, Harland Avenue, Sidcup, DA15 7PQ
• Sold Feb 2022£775,000 | 5 Bed House7, Harland Avenue, Sidcup, DA15 7NU7, Harland Avenue, Sidcup, DA15 7NU
• Sold Jun 2021£622,000 | 4 Bed House25, Harland Avenue, Sidcup, DA15 7NY25, Harland Avenue, Sidcup, DA15 7NY
• Sold Jun 2021£735,000 | 5 Bed House56, Old Farm Avenue, Sidcup, DA15 8AF56, Old Farm Avenue, Sidcup, DA15 8AF
• Sold May 2021£620,000 | 4 Bed House41, York Avenue, Sidcup, DA15 7LJ41, York Avenue, Sidcup, DA15 7LJ
• Sold Mar 2021£710,000 | 4 Bed House129, Brooklands Avenue, Sidcup, DA15 7PF129, Brooklands Avenue, Sidcup, DA15 7PF
• Sold Feb 2019£580,000 | 4 Bed House10, Harland Avenue, Sidcup, DA15 7PG10, Harland Avenue, Sidcup, DA15 7PG
• Sold Dec 2017£519,500 | 5 Bed House2, Harland Avenue, Sidcup, DA15 7PG2, Harland Avenue, Sidcup, DA15 7PG
• Sold Sep 2013£332,000 | 4 Bed House48, Little Birches, Sidcup, DA15 7LW48, Little Birches, Sidcup, DA15 7LW

Of the 58 addresses on York Avenue, Sidcup, DA15, 25, York Avenue, Sidcup comes out as the 4th largest and the 7th most expensive in our analysis of the public data.

It is also £239k more expensive than the average property across the DA15 district.

• Longlands Primary School

  400 m away
• Burnt Oak Junior School

  700 m away
• Holy Trinity Lamorbey Church of England School

  800 m away

• Chislehurst and Sidcup Grammar School

  1.1 km away
• Hurstmere School

  1.6 km away
• Chislehurst School for Girls

  1.7 km away

• Sidcup

  |

  800 m away
• New Eltham

  |

  1.6 km away
• Albany Park

  |

  2.4 km away

The flood risk here is rated Very Low, based on Environment Agency data.