Our Data Sources
17, Dene 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 4 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 17, Dene Avenue, Sidcup, we estimate a market value of £488,399 and a rental value of £1,989 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £432,582 and £1,762 per month respectively.
Plot Size
HM Land Registry records the plot of land for 17, Dene Avenue, Sidcup as measuring 451 m2.
That makes it the 6th largest plot in the postcode, where all 30 other houses have recorded plot data.
Energy Efficiency
17, Dene Avenue, Sidcup has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 09 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
Since 2020 177 properties similar to 17, Dene Avenue, Sidcup have sold within a radius of 630 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 23rd March 2026, was 101, Harcourt Avenue, Sidcup, DA15 9LL, a freehold house which sold for £426,000.
Read more about house prices in DA15.
- Sold Mar 2026£426,000 | 3 Bed House101, Harcourt Avenue, Sidcup, DA15 9LL101, Harcourt Avenue, Sidcup, DA15 9LL
- Sold Mar 2026£382,500 | 3 Bed House164, Rowley Avenue, Sidcup, DA15 9LG164, Rowley Avenue, Sidcup, DA15 9LG
- Sold Nov 2025£480,000 | 3 Bed House129, Rowley Avenue, Sidcup, DA15 9LE129, Rowley Avenue, Sidcup, DA15 9LE
- Sold Sep 2025£425,000 | 3 Bed House57, Rowley Avenue, Sidcup, DA15 9LF57, Rowley Avenue, Sidcup, DA15 9LF
- Sold May 2025£366,750 | 3 Bed House75, Rowley Avenue, Sidcup, DA15 9LF75, Rowley Avenue, Sidcup, DA15 9LF
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 £697,171, ranging from £554,258 to £906,013.
- 15 Dene Avenue
4 Bed House | 12 m | Est. Value: £710,222
- 21 Dene Avenue
4 Bed House | 17 m | Est. Value: £730,375
- 23 Dene Avenue
4 Bed House | 22 m | Est. Value: £610,829
- 20 Dene Avenue
4 Bed House | 34 m | Est. Value: £738,890
- 16 Dene Avenue
4 Bed House | 35 m | Est. Value: £670,768
Location Comparison
Of the 30 addresses on Dene Avenue, Sidcup, DA15, 17, Dene Avenue, Sidcup comes out as the 29th largest and the 29th most expensive in our analysis of the public data.
It is also £39k less expensive than the average property across the DA15 district.
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Schools Nearby
- Sherwood Park Primary School500 m away
- Chatsworth Infant School600 m away
- Holy Trinity Lamorbey Church of England School900 m away
- Hurstmere School500 m away
- Blackfen School for Girls700 m away
- Chislehurst and Sidcup Grammar School800 m away
More reading links
Public Transport Nearby
- Sidcup|1.1 km away
- Albany Park|1.2 km away
- Bexley|2.4 km away
Available Internet Speeds
Broadband here reaches superfast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Superfast Broadband available in this area.
Risk of Flooding
The flood risk here is rated Very Low, based on Environment Agency data.












