Our Data Sources
51, Cavendish Avenue, Sidcup has no records in the Land Registry and a single entry in the EPC database dated March 2026.
We combine this information with public data of neighbouring properties to estimate the property attributes and values.
The local information is scored as 5 out of 5 and is considered of high accuracy.
Price Range & Condition
In very good condition, we estimate 51, Cavendish Avenue, Sidcup would be worth £751,056, with a potential rental value of £2,807 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £665,221, with a rental value of £2,486 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
51, Cavendish Avenue, Sidcup occupies a 326 m2 plot as recorded by HM Land Registry.
All 28 other houses in this postcode have recorded plot sizes, and this one ranks as the 16th largest.
Energy Efficiency
51, Cavendish Avenue, Sidcup has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 10 Mar 2026.
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
Land Registry records and our Estate Agent network show 169 sales of comparable properties within 550 metres of 51, Cavendish Avenue, Sidcup since 2019.
Most recently, 177, Burnt Oak Lane, Sidcup, DA15 9BW, a freehold house, sold at £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 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.
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Explore Nearby Properties
The surrounding properties have an average estimated value of £602,922, ranging from £533,559 to £701,074.
- 49 Cavendish Avenue
4 Bed House | 6 m | Est. Value: £693,410
- 53 Cavendish Avenue
4 Bed House | 15 m | Est. Value: £701,074
- 47 Cavendish Avenue
4 Bed House | 17 m | Est. Value: £602,895
- 43 Cavendish Avenue
4 Bed House | 34 m | Est. Value: £665,076
- 50 Cavendish Avenue
3 Bed House | 38 m | Est. Value: £576,756
Location Comparison
Our analysis of the public data ranks 51, Cavendish Avenue, Sidcup as the 12th largest and the 14th most expensive of the 54 addresses on Cavendish Avenue, Sidcup, DA15.
Against the DA15 postcode district average, it is £212k more expensive than the typical property.
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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|1.8 km away
- Welling|2.3 km away
Available Internet Speeds
Ofcom's latest figures show ultrafast broadband available in this area.
According to recent data from Ofcom, Ultrafast Broadband available in this area.
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.
