According to data from HM Land Registry, 12, Gloucester Avenue, Sidcup sits on a plot of 255 m².

We have plot size data on 24 out of 24 other houses in the postcode and 12, Gloucester Avenue, Sidcup sits on the 6th largest plot.

12, Gloucester Avenue, Sidcup has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 27 Jul 2016.

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

According to HM Land Registry, 12, Gloucester Avenue, Sidcup was last sold on 21st August 2023 for £588,000 and was recorded as a freehold house.

The property has had 4 sales since 1995.

Since August 2023, the market for similar properties has dropped by 11.5%.

• Sold Aug 2023£588,000
• Sold May 2017£490,000
• Sold Aug 2004£250,000

According to the Land Registry and our network of Estate Agents, there have been 132 sales of properties similar to 12, Gloucester Avenue, Sidcup within a radius of 550 metres since 2009.

The most recent example is 10, Austral Close, Sidcup, DA15 7LE, a freehold house which sold for £520,000 on the 15th August 2025.

Read more about house prices in DA15.

• Sold Aug 2025£520,000 | 3 Bed House10, Austral Close, Sidcup, DA15 7LE10, Austral Close, Sidcup, DA15 7LE
• Sold Jul 2025£539,000 | 3 Bed House92, Pinewood Avenue, Sidcup, DA15 8BD92, Pinewood Avenue, Sidcup, DA15 8BD
• 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£575,000 | 3 Bed House40, Austral Close, Sidcup, DA15 7LE40, Austral Close, Sidcup, DA15 7LE
• 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 Jan 2024£491,000 | 3 Bed House228, Old Farm Avenue, Sidcup, DA15 8AN228, Old Farm Avenue, Sidcup, DA15 8AN
• Sold Jan 2024£495,000 | 3 Bed House74, Pinewood Avenue, Sidcup, DA15 8BD74, Pinewood Avenue, Sidcup, DA15 8BD
• Sold Jan 2023£448,000 | 3 Bed House204, Old Farm Avenue, Sidcup, DA15 8AL204, Old Farm Avenue, Sidcup, DA15 8AL
• Sold Dec 2022£538,000 | 3 Bed House42, Gloucester Avenue, Sidcup, DA15 7LL42, Gloucester Avenue, Sidcup, DA15 7LL
• Sold Sep 2022£522,500 | 3 Bed House60, Harland Avenue, Sidcup, DA15 7PQ60, Harland Avenue, Sidcup, DA15 7PQ
• Sold Mar 2022£430,000 | 3 Bed House181, Old Farm Avenue, Sidcup, DA15 8AW181, Old Farm Avenue, Sidcup, DA15 8AW
• Sold Mar 2020£465,000 | 3 Bed House40, Gloucester Avenue, Sidcup, DA15 7LL40, 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 Aug 2014£343,500 | 3 Bed House36, York Avenue, Sidcup, DA15 7LH36, York Avenue, Sidcup, DA15 7LH
• Sold Apr 2013£366,821 | 3 Bed House45, York Avenue, Sidcup, DA15 7LJ45, York Avenue, Sidcup, DA15 7LJ
• Sold Nov 2009£249,995 | 3 Bed House37, Gloucester Avenue, Sidcup, DA15 7LP37, Gloucester Avenue, Sidcup, DA15 7LP

Gloucester Avenue, Sidcup, DA15 has a total of 61 addresses. According to our analysis of all the public data, 12, Gloucester Avenue, Sidcup is the 61st largest and the 56th most expensive property on the street.

When compared to the postcode district it is £19k more expensive than the average property in DA15.

• 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

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