According to data from HM Land Registry, 73, Gloucester Avenue, Sidcup sits on a plot of 222 m².

We have plot size data on 35 out of 37 other houses in the postcode and 73, Gloucester Avenue, Sidcup sits on the 26th largest plot.

73, Gloucester Avenue, Sidcup has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 22 Apr 2015.

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, 73, Gloucester Avenue, Sidcup was last sold on 16th October 2015 for £485,250 and was recorded as a freehold house.

The property has had 3 sales since 1995.

Since October 2015, the market for similar properties has risen by 21.1%.

• Sold Oct 2015£485,250
• Sold Dec 2003£294,000
• Sold Nov 2001£205,000

According to the Land Registry and our network of Estate Agents, there have been 236 sales of properties similar to 73, Gloucester Avenue, Sidcup within a radius of 550 metres since 2018.

The most recent example is 50, Harland Avenue, Sidcup, DA15 7PQ, a freehold house which sold for £750,000 on the 24th October 2025.

Read more about house prices in DA15.

• Sold Oct 2025£750,000 | 4 Bed House50, Harland Avenue, Sidcup, DA15 7PQ50, Harland Avenue, Sidcup, DA15 7PQ
• Sold Sep 2025£650,000 | 4 Bed House16, Little Birches, Sidcup, DA15 7LW16, Little Birches, Sidcup, DA15 7LW
• Sold Aug 2025£580,000 | 4 Bed House8, Chyngton Close, Sidcup, DA15 7HS8, Chyngton Close, Sidcup, DA15 7HS
• Sold Mar 2025£625,000 | 4 Bed House116, Old Farm Avenue, Sidcup, DA15 8AH116, Old Farm Avenue, Sidcup, DA15 8AH
• Sold Feb 2025£630,000 | 4 Bed House16, Harland Avenue, Sidcup, DA15 7PG16, Harland Avenue, Sidcup, DA15 7PG
• Sold Feb 2025£565,000 | 4 Bed House24, Longlands Park Crescent, Sidcup, DA15 7NE24, Longlands Park Crescent, Sidcup, DA15 7NE
• Sold Feb 2025£720,000 | 4 Bed House19, Gloucester Avenue, Sidcup, DA15 7LP19, Gloucester Avenue, Sidcup, DA15 7LP
• Sold Jan 2025£620,000 | 4 Bed House98, Old Farm Avenue, Sidcup, DA15 8AH98, Old Farm Avenue, Sidcup, DA15 8AH
• Sold May 2024£542,500 | 4 Bed House11, Longlands Park Crescent, Sidcup, DA15 7NG11, Longlands Park Crescent, Sidcup, DA15 7NG
• Sold Feb 2024£673,000 | 4 Bed House36, Austral Close, Sidcup, DA15 7LE36, Austral Close, Sidcup, DA15 7LE
• Sold Nov 2023£600,000 | 4 Bed House35, York Avenue, Sidcup, DA15 7LJ35, York Avenue, Sidcup, DA15 7LJ
• Sold May 2023£835,000 | 4 Bed House43, York Avenue, Sidcup, DA15 7LJ43, York Avenue, Sidcup, DA15 7LJ
• Sold Jan 2023£730,000 | 4 Bed House23, York Avenue, Sidcup, DA15 7LJ23, York Avenue, Sidcup, DA15 7LJ
• Sold Oct 2022£690,000 | 4 Bed House28, Harland Avenue, Sidcup, DA15 7PG28, Harland Avenue, Sidcup, DA15 7PG
• Sold Dec 2021£625,000 | 3 Bed House71, Gloucester Avenue, Sidcup, DA15 7LP71, Gloucester Avenue, Sidcup, DA15 7LP
• Sold Mar 2021£510,000 | 4 Bed House100, Longlands Park Crescent, Sidcup, DA15 7NQ100, Longlands Park Crescent, Sidcup, DA15 7NQ
• Sold Aug 2020£8,500 | 4 Bed House26, Austral Close, Sidcup, DA15 7LE26, Austral Close, Sidcup, DA15 7LE
• Sold May 2020£545,000 | 4 Bed House33A, Harland Avenue, Sidcup, DA15 7NY33A, Harland Avenue, Sidcup, DA15 7NY
• Sold May 2018£565,000 | 4 Bed House56, Longlands Park Crescent, Sidcup, DA15 7NE56, Longlands Park Crescent, Sidcup, DA15 7NE
• Sold Feb 2018£510,000 | 4 Bed House28, Austral Close, Sidcup, DA15 7LE28, Austral Close, Sidcup, DA15 7LE

Gloucester Avenue, Sidcup, DA15 has a total of 61 addresses. According to our analysis of all the public data, 73, Gloucester Avenue, Sidcup is the 23rd largest and the 18th most expensive property on the street.

When compared to the postcode district it is £151k 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

  1.2 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.