Our Data Sources
25, Dene Avenue, Sidcup has no recent1 records in the Land Registry and a single entry in the EPC database dated October 2025.
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.
1Sales dated prior to 2007 are shown, but are not used in our calculations.
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 25, Dene Avenue, Sidcup, we estimate a market value of £685,855 and a rental value of £2,585 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £607,472 and £2,290 per month respectively.
Plot Size
HM Land Registry records the plot of land for 25, Dene Avenue, Sidcup as measuring 773 m2.
That makes it the largest plot in the postcode, where all 30 other houses have recorded plot data.
Energy Efficiency
25, Dene Avenue, Sidcup has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 03 Oct 2025.
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
The most recent sale of 25, Dene Avenue, Sidcup completed on 11th June 2003 at £295,000 and was recorded by HM Land Registry as a freehold house.
Since 1995 this is the property's only sale.
- Sold Jun 2003£295,000
Similar Properties Sold Nearby
Since 2013 210 properties similar to 25, Dene Avenue, Sidcup have sold within a radius of 640 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 2nd March 2026, was 131, Oakley Park, Bexley, DA5 3EG, a freehold house which sold for £615,000.
Read more about house prices in DA15.
- Sold Mar 2026£615,000 | 4 Bed House131, Oakley Park, Bexley, DA5 3EG131, Oakley Park, Bexley, DA5 3EG
- Sold Jan 2026£630,000 | 4 Bed House187, Hurst Road, Sidcup, DA15 9AH187, Hurst Road, Sidcup, DA15 9AH
- Sold Oct 2025£450,000 | 4 Bed House10, Viewfield Road, Bexley, DA5 3EE10, Viewfield Road, Bexley, DA5 3EE
- Sold Aug 2025£795,000 | 4 Bed House15, Chaucer Road, Sidcup, DA15 9AP15, Chaucer Road, Sidcup, DA15 9AP
- Sold Jan 2025£622,500 | 4 Bed House27, Rowley Avenue, Sidcup, DA15 9LF27, Rowley Avenue, Sidcup, DA15 9LF
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 £659,955, ranging from £465,142 to £906,013.
- 23 Dene Avenue
4 Bed House | 16 m | Est. Value: £610,829
- 21 Dene Avenue
4 Bed House | 21 m | Est. Value: £730,375
- 30 Dene Avenue
3 Bed House | 27 m | Est. Value: £540,276
- 17 Dene Avenue
3 Bed House | 38 m | Est. Value: £465,142
- 28 Dene Avenue
5 Bed House | 38 m | Est. Value: £765,086
Location Comparison
Of the 30 addresses on Dene Avenue, Sidcup, DA15, 25, Dene Avenue, Sidcup comes out as the 19th largest and the 19th most expensive in our analysis of the public data.
It is also £149k more expensive than the average property across the DA15 district.
More reading links
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.












