HM Land Registry records the plot of land for 40, Gloucester Avenue, Sidcup as measuring 243 m².

That makes it the 11th largest plot in the postcode, where all 24 other houses have recorded plot data.

40, Gloucester Avenue, Sidcup has an Energy Performance Rating (EPC) of G. This is based on the most recent assessment, dated 17 Apr 2019.

The property is connected to mains gas and has fully double glazed windows. It is heated using room heaters (mains gas, room heaters, electric).

The most recent sale of 40, Gloucester Avenue, Sidcup completed on 2nd March 2020 at £465,000 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 risen by 0.8% over the period since March 2020.

• Sold Mar 2020£465,000

Since 2015 188 properties similar to 40, Gloucester Avenue, Sidcup have sold within a radius of 550 metres, per the Land Registry and our network of Estate Agents.

The latest, on the 11th September 2025, was 20, Gloucester Avenue, Sidcup, DA15 7LL, a leasehold house which sold for £520,000.

Read more about house prices in DA15.

• Sold Sep 2025£520,000 | 3 Bed House20, Gloucester Avenue, Sidcup, DA15 7LL20, Gloucester Avenue, Sidcup, DA15 7LL
• Sold Jul 2025£539,000 | 3 Bed House92, Pinewood Avenue, Sidcup, DA15 8BD92, Pinewood Avenue, Sidcup, DA15 8BD
• Sold Jun 2025£610,000 | 3 Bed House52, Little Birches, Sidcup, DA15 7LW52, Little Birches, Sidcup, DA15 7LW
• Sold Feb 2025£675,000 | 3 Bed House126, Old Farm Avenue, Sidcup, DA15 8AH126, Old Farm Avenue, Sidcup, DA15 8AH
• Sold Jan 2025£500,000 | 3 Bed House129, Old Farm Avenue, Sidcup, DA15 8AJ129, Old Farm Avenue, Sidcup, DA15 8AJ
• Sold Sep 2024£585,000 | 3 Bed House5, York Avenue, Sidcup, DA15 7LJ5, York Avenue, Sidcup, DA15 7LJ
• Sold Jul 2024£550,000 | 3 Bed House37, York Avenue, Sidcup, DA15 7LJ37, York Avenue, Sidcup, DA15 7LJ
• Sold Jun 2024£545,000 | 3 Bed House51, Gloucester Avenue, Sidcup, DA15 7LP51, Gloucester Avenue, Sidcup, DA15 7LP
• Sold Mar 2024£445,000 | 3 Bed House162, Old Farm Avenue, Sidcup, DA15 8AL162, Old Farm Avenue, Sidcup, DA15 8AL
• Sold Jan 2024£491,000 | 3 Bed House228, Old Farm Avenue, Sidcup, DA15 8AN228, Old Farm Avenue, Sidcup, DA15 8AN
• Sold Aug 2023£588,000 | 3 Bed House12, Gloucester Avenue, Sidcup, DA15 7LL12, Gloucester Avenue, Sidcup, DA15 7LL
• Sold Dec 2022£538,000 | 3 Bed House42, Gloucester Avenue, Sidcup, DA15 7LL42, Gloucester Avenue, Sidcup, DA15 7LL
• Sold May 2022£445,000 | 3 Bed House74, Harland Avenue, Sidcup, DA15 7PQ74, Harland Avenue, Sidcup, DA15 7PQ
• Sold Mar 2021£427,000 | 3 Bed House14, Gloucester Avenue, Sidcup, DA15 7LL14, Gloucester Avenue, Sidcup, DA15 7LL
• Sold Sep 2019£428,000 | 3 Bed House18, Little Birches, Sidcup, DA15 7LW18, Little Birches, Sidcup, DA15 7LW
• Sold Sep 2018£430,000 | 3 Bed House11, York Avenue, Sidcup, DA15 7LJ11, York Avenue, Sidcup, DA15 7LJ
• Sold Jun 2018£448,000 | 3 Bed House29, Little Birches, Sidcup, DA15 7LN29, Little Birches, Sidcup, DA15 7LN
• Sold Jul 2017£475,000 | 3 Bed House36, Little Birches, Sidcup, DA15 7LW36, Little Birches, Sidcup, DA15 7LW
• Sold Jul 2016£447,000 | 3 Bed House53, Gloucester Avenue, Sidcup, DA15 7LP53, Gloucester Avenue, Sidcup, DA15 7LP
• Sold Oct 2015£387,000 | 3 Bed House61, Gloucester Avenue, Sidcup, DA15 7LP61, Gloucester Avenue, Sidcup, DA15 7LP

Of the 61 addresses on Gloucester Avenue, Sidcup, DA15, 40, Gloucester Avenue, Sidcup comes out as the 49th largest and the 41st most expensive in our analysis of the public data.

It is also £44k more expensive than the average property across the DA15 district.

• Longlands Primary School

  300 m away
• Burnt Oak Junior School

  800 m away
• Dulverton Primary School

  800 m away

• Chislehurst and Sidcup Grammar School

  1.1 km away
• Hurstmere School

  1.7 km away
• Chislehurst School for Girls

  1.7 km away

• Sidcup

  |

  800 m away
• New Eltham

  |

  1.5 km away
• Albany Park

  |

  2.4 km away

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