Our Data Sources
21, Collindale Avenue, Sidcup has a single entry in the Land Registry from September 2016 and a single entry in the EPC database dated September 2015.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 3 out of 5 and is considered of medium accuracy.
Price Range & Condition
Decorative condition can have a big effect on a property's value and this effect varies depending on the type, size and location of the property.
If 21, Collindale Avenue, Sidcup is in very good condition we estimate a sale value of £655,406 and a rental value of £2,730 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £580,503 and a rental value of £2,418 per month.
Plot Size
According to data from HM Land Registry, 21, Collindale Avenue, Sidcup sits on a plot of 270 m2.
We have plot size data on 21 out of 28 other houses in the postcode and 21, Collindale Avenue, Sidcup sits on the 13th largest plot.
Energy Efficiency
21, Collindale Avenue, Sidcup has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 07 Sep 2015.
The property is connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).
Sold Prices
According to HM Land Registry, 21, Collindale Avenue, Sidcup was last sold on 2nd September 2016 for £492,500 and was recorded as a freehold house.
The property has only had this single sale since 1995.
Since September 2016, the market for similar properties has risen by 8.8%.
- Sold Sep 2016£492,500
Similar Properties Sold Nearby
According to the Land Registry and our network of Estate Agents, there have been 266 sales of properties similar to 21, Collindale Avenue, Sidcup within a radius of 700 metres since 2019.
The most recent example is 22, Collindale Avenue, Sidcup, DA15 9DW, a freehold house which sold for £575,000 on the 10th April 2026.
Read more about house prices in DA15.
- Sold Apr 2026£575,000 | 4 Bed House22, Collindale Avenue, Sidcup, DA15 9DW22, Collindale Avenue, Sidcup, DA15 9DW
- Sold Mar 2026£656,000 | 4 Bed House10, Welbeck Avenue, Sidcup, DA15 9BU10, Welbeck Avenue, Sidcup, DA15 9BU
- Sold Aug 2025£740,000 | 4 Bed House8, Montrose Avenue, Sidcup, DA15 9DR8, Montrose Avenue, Sidcup, DA15 9DR
- Sold Jun 2025£740,000 | 4 Bed House35, Marlborough Park Avenue, Sidcup, DA15 9DL35, Marlborough Park Avenue, Sidcup, DA15 9DL
- Sold Apr 2025£630,000 | 4 Bed House79, Marlborough Park Avenue, Sidcup, DA15 9DY79, Marlborough Park Avenue, Sidcup, DA15 9DY
Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Explore Nearby Properties
The surrounding properties have an average estimated value of £582,033, ranging from £471,821 to £633,362.
- 23 Collindale Avenue
4 Bed House | 6 m | Est. Value: £619,111
- 17 Collindale Avenue
4 Bed House | 20 m | Est. Value: £594,094
- 15 Collindale Avenue
4 Bed House | 30 m | Est. Value: £626,782
- 13 Collindale Avenue
3 Bed House | 36 m | Est. Value: £542,872
- 28 Collindale Avenue
3 Bed House | 38 m | Est. Value: £527,670
Location Comparison
Collindale Avenue, Sidcup, DA15 has a total of 54 addresses. According to our analysis of all the public data, 21, Collindale Avenue, Sidcup is the 15th largest and the 21st most expensive property on the street.
When compared to the postcode district it is £120k more expensive than the average property in DA15.
More reading links
Schools Nearby
- Chatsworth Infant School100 m away
- Holy Trinity Lamorbey Church of England School500 m away
- Burnt Oak Junior School500 m away
- Chislehurst and Sidcup Grammar School600 m away
- Hurstmere School700 m away
- Blackfen School for Girls1.0 km away
More reading links
Public Transport Nearby
- Sidcup|800 m away
- Albany Park|1.6 km away
- New Eltham|2.4 km away
Available Internet Speeds
According to recent data from Ofcom, Superfast Broadband is available in this area.
According to recent data from Ofcom, Superfast Broadband available in this area.
Risk of Flooding
According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.












