Our Data Sources
18, Cavendish Avenue, Sidcup has no records in the Land Registry and a single entry in the EPC database dated May 2025.
We combine this information with public data of neighbouring properties to estimate the property attributes and values.
The local information is scored as 2 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 18, Cavendish Avenue, Sidcup is in very good condition we estimate a sale value of £782,132 and a rental value of £2,779 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £692,746 and a rental value of £2,462 per month.
Plot Size
According to data from HM Land Registry, 18, Cavendish Avenue, Sidcup sits on a plot of 409 m2.
We have plot size data on 26 out of 26 other houses in the postcode and 18, Cavendish Avenue, Sidcup sits on the 15th largest plot.
Energy Efficiency
18, Cavendish Avenue, Sidcup has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 30 May 2025.
The property is connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).
Similar Properties Sold Nearby
According to the Land Registry and our network of Estate Agents, there have been 168 sales of properties similar to 18, Cavendish Avenue, Sidcup within a radius of 610 metres since 2016.
The most recent example is 177, Burnt Oak Lane, Sidcup, DA15 9BW, a freehold house which sold for £720,000 on the 8th December 2025.
Read more about house prices in DA15.
- Sold Dec 2025£720,000 | 4 Bed House177, Burnt Oak Lane, Sidcup, DA15 9BW177, Burnt Oak Lane, Sidcup, DA15 9BW
- Sold Nov 2025£880,000 | 5 Bed House103, Marlborough Park Avenue, Sidcup, DA15 9DY103, Marlborough Park Avenue, Sidcup, DA15 9DY
- Sold Oct 2025£695,000 | 4 Bed House29, Somerhill Avenue, Sidcup, DA15 9JY29, Somerhill Avenue, Sidcup, DA15 9JY
- 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
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 £627,835, ranging from £569,947 to £732,956.
- 19 Cavendish Avenue
4 Bed House | 43 m | Est. Value: £679,120
- 15 Cavendish Avenue
3 Bed House | 44 m | Est. Value: £575,110
- 21 Cavendish Avenue
3 Bed House | 47 m | Est. Value: £575,110
- 23 Montrose Avenue
3 Bed House | 48 m | Est. Value: £569,947
- 13 Cavendish Avenue
4 Bed House | 48 m | Est. Value: £732,956
Location Comparison
Cavendish Avenue, Sidcup, DA15 has a total of 54 addresses. According to our analysis of all the public data, 18, Cavendish Avenue, Sidcup is the 9th largest and the 6th most expensive property on the street.
When compared to the postcode district it is £241k more expensive than the average property in DA15.
More reading links
Schools Nearby
- Chatsworth Infant School400 m away
- Sherwood Park Primary School600 m away
- Days Lane Primary School600 m away
- Blackfen School for Girls700 m away
- Hurstmere School900 m away
- Chislehurst and Sidcup Grammar School900 m away
More reading links
Public Transport Nearby
- Sidcup|1.1 km away
- Albany Park|1.7 km away
- Welling|2.4 km away
Available Internet Speeds
According to recent data from Ofcom, Ultrafast Broadband is available in this area.
According to recent data from Ofcom, Ultrafast 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.












