Our Data Sources
11, Cavendish Avenue, Sidcup has no records in the Land Registry and a single entry in the EPC database dated December 2025.
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
The condition of a property plays an important role in determining its value, with the degree of impact varying by property type, size and location.
For 11, Cavendish Avenue, Sidcup, we estimate a market value of £597,220 and a rental value of £2,328 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £528,966 and £2,062 per month respectively.
Plot Size
HM Land Registry records the plot of land for 11, Cavendish Avenue, Sidcup as measuring 324 m2.
That makes it the 18th largest plot in the postcode, where all 28 other houses have recorded plot data.
Energy Efficiency
11, Cavendish Avenue, Sidcup has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 04 Dec 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
Since 2018 187 properties similar to 11, Cavendish Avenue, Sidcup have sold within a radius of 600 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 23rd March 2026, was 8, Marlborough Park Avenue, Sidcup, DA15 9DJ, a freehold house which sold for £548,000.
Read more about house prices in DA15.
- Sold Mar 2026£548,000 | 3 Bed House8, Marlborough Park Avenue, Sidcup, DA15 9DJ8, Marlborough Park Avenue, Sidcup, DA15 9DJ
- Sold Mar 2025£554,000 | 3 Bed House33, Montrose Avenue, Sidcup, DA15 9DT33, Montrose Avenue, Sidcup, DA15 9DT
- Sold Mar 2025£530,000 | 3 Bed House200, Burnt Oak Lane, Sidcup, DA15 9DG200, Burnt Oak Lane, Sidcup, DA15 9DG
- Sold Dec 2024£465,000 | 4 Bed House1, Haddon Grove, Sidcup, DA15 8NA1, Haddon Grove, Sidcup, DA15 8NA
- Sold Nov 2024£480,000 | 3 Bed House34, The Oval, Sidcup, DA15 9ES34, The Oval, Sidcup, DA15 9ES
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 £629,794, ranging from £496,855 to £744,888.
- 13 Cavendish Avenue
4 Bed House | 11 m | Est. Value: £732,956
- 15 Cavendish Avenue
3 Bed House | 17 m | Est. Value: £575,110
- 5 Cavendish Avenue
4 Bed House | 26 m | Est. Value: £644,958
- 19 Cavendish Avenue
4 Bed House | 36 m | Est. Value: £679,120
- 3 Cavendish Avenue
3 Bed House | 38 m | Est. Value: £496,855
Location Comparison
Of the 54 addresses on Cavendish Avenue, Sidcup, DA15, 11, Cavendish Avenue, Sidcup comes out as the 42nd largest and the 47th most expensive in our analysis of the public data.
It is also £65k more expensive than the average property across the DA15 district.
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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
Broadband here reaches ultrafast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Ultrafast Broadband available in this area.
Risk of Flooding
The flood risk here is rated Very Low, based on Environment Agency data.












