According to data from HM Land Registry, 43, Gloucester Avenue, Sidcup sits on a plot of 229 m².

We have plot size data on 35 out of 37 other houses in the postcode and 43, Gloucester Avenue, Sidcup sits on the 23rd largest plot.

43, Gloucester Avenue, Sidcup has an Energy Performance Rating (EPC) of F. This is based on the most recent assessment, dated 06 Mar 2017.

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, 43, Gloucester Avenue, Sidcup was last sold on 15th September 2017 for £415,000 and was recorded as a freehold house.

The property has only had this single sale since 1995.

Since September 2017, the market for similar properties has risen by 7.5%.

• Sold Sep 2017£415,000

According to the Land Registry and our network of Estate Agents, there have been 210 sales of properties similar to 43, Gloucester Avenue, Sidcup within a radius of 550 metres since 2017.

The most recent example is 47, Pinewood Avenue, Sidcup, DA15 8BB, a freehold house which sold for £545,000 on the 20th November 2025.

Read more about house prices in DA15.

• Sold Nov 2025£545,000 | 4 Bed House47, Pinewood Avenue, Sidcup, DA15 8BB47, Pinewood Avenue, Sidcup, DA15 8BB
• Sold Oct 2025£750,000 | 4 Bed House50, Harland Avenue, Sidcup, DA15 7PQ50, Harland Avenue, Sidcup, DA15 7PQ
• Sold Sep 2025£580,000 | 3 Bed House10, York Avenue, Sidcup, DA15 7LH10, York Avenue, Sidcup, DA15 7LH
• Sold Sep 2025£510,000 | 4 Bed House82, Old Farm Avenue, Sidcup, DA15 8AH82, Old Farm Avenue, Sidcup, DA15 8AH
• Sold Jul 2025£505,000 | 4 Bed House185, Old Farm Avenue, Sidcup, DA15 8AW185, Old Farm Avenue, Sidcup, DA15 8AW
• Sold Mar 2025£620,000 | 4 Bed House102, Old Farm Avenue, Sidcup, DA15 8AH102, Old Farm Avenue, Sidcup, DA15 8AH
• 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£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 2023£835,000 | 4 Bed House43, York Avenue, Sidcup, DA15 7LJ43, York Avenue, Sidcup, DA15 7LJ
• Sold Oct 2022£690,000 | 4 Bed House28, Harland Avenue, Sidcup, DA15 7PG28, Harland Avenue, Sidcup, DA15 7PG
• Sold May 2022£637,000 | 4 Bed House106, Longlands Road, Sidcup, DA15 7LF106, Longlands Road, Sidcup, DA15 7LF
• Sold Mar 2021£427,000 | 3 Bed House14, Gloucester Avenue, Sidcup, DA15 7LL14, Gloucester Avenue, Sidcup, DA15 7LL
• Sold Jan 2021£570,000 | 3 Bed House30, Gloucester Avenue, Sidcup, DA15 7LL30, Gloucester Avenue, Sidcup, DA15 7LL
• Sold Jul 2020£470,000 | 4 Bed House153, Old Farm Avenue, Sidcup, DA15 8AJ153, Old Farm Avenue, Sidcup, DA15 8AJ
• Sold Apr 2019£510,000 | 3 Bed House38, Gloucester Avenue, Sidcup, DA15 7LL38, Gloucester Avenue, Sidcup, DA15 7LL
• Sold Aug 2018£557,500 | 4 Bed House31, Little Birches, Sidcup, DA15 7LN31, Little Birches, Sidcup, DA15 7LN
• Sold Jul 2017£465,000 | 3 Bed House24, Gloucester Avenue, Sidcup, DA15 7LL24, Gloucester Avenue, Sidcup, DA15 7LL
• Sold Jul 2017£475,000 | 3 Bed House36, Little Birches, Sidcup, DA15 7LW36, Little Birches, Sidcup, DA15 7LW

Gloucester Avenue, Sidcup, DA15 has a total of 61 addresses. According to our analysis of all the public data, 43, Gloucester Avenue, Sidcup is the 32nd largest and the 25th most expensive property on the street.

When compared to the postcode district it is £117k 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.