Our Data Sources
21, Rowley Avenue, Sidcup has 51 entries in the Land Registry, most recently in February 2026 and a single entry in the EPC database dated September 2025.
We combine this information with that 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.
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 21, Rowley Avenue, Sidcup, we estimate a market value of £408,270 and a rental value of £1,929 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £361,611 and £1,709 per month respectively.
Plot Size
HM Land Registry records the plot of land for 21, Rowley Avenue, Sidcup as measuring 173 m2.
That makes it the 20th largest plot in the postcode, where 27 of the 45 other houses have recorded plot data.
Energy Efficiency
21, Rowley Avenue, Sidcup has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 30 Sep 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 21, Rowley Avenue, Sidcup completed on 20th February 2026 at £410,000 and was recorded by HM Land Registry as a freehold house.
Since 1995 the property has sold 5 times.
Values of comparable properties have risen by 4.5% over the period since February 2026.
- Sold Feb 2026£410,000
- Sold Jul 2012£198,000
- Sold Jan 2007£185,500
Similar Properties Sold Nearby
Since 2022 288 properties similar to 21, Rowley Avenue, Sidcup have sold within a radius of 630 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 9th October 2025, was 215, Ramillies Road, Sidcup, DA15 9JE, a freehold house which sold for £345,000.
Read more about house prices in DA15.
- Sold Oct 2025£345,000 | 2 Bed House215, Ramillies Road, Sidcup, DA15 9JE215, Ramillies Road, Sidcup, DA15 9JE
- Sold Sep 2025£365,000 | 2 Bed House141, Rowley Avenue, Sidcup, DA15 9LE141, Rowley Avenue, Sidcup, DA15 9LE
- Sold Sep 2025£425,000 | 3 Bed House57, Rowley Avenue, Sidcup, DA15 9LF57, Rowley Avenue, Sidcup, DA15 9LF
- Sold Aug 2025£405,500 | 2 Bed House64, Sherwood Park Avenue, Sidcup, DA15 9HX64, Sherwood Park Avenue, Sidcup, DA15 9HX
- Sold Jun 2025£406,000 | 2 Bed House165, Ramillies Road, Sidcup, DA15 9JE165, Ramillies Road, Sidcup, DA15 9JE
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 £479,472, ranging from £394,592 to £595,849.
- 25 Rowley Avenue
3 Bed House | 8 m | Est. Value: £427,808
- 27 Rowley Avenue
4 Bed House | 12 m | Est. Value: £576,501
- 17A Rowley Avenue
3 Bed House | 15 m | Est. Value: £449,284
- 31 Rowley Avenue
3 Bed House | 28 m | Est. Value: £469,285
- 50 Rowley Avenue
2 Bed House | 34 m | Est. Value: £397,091
Location Comparison
Of the 188 addresses on Rowley Avenue, Sidcup, DA15, 21, Rowley Avenue, Sidcup comes out as the 170th largest and the 171st most expensive in our analysis of the public data.
It is also £115k less expensive than the average property across the DA15 district.
More reading links
Schools Nearby
- Sherwood Park Primary School400 m away
- Chatsworth Infant School700 m away
- Holy Trinity Lamorbey Church of England School1.0 km away
- Blackfen School for Girls600 m away
- Hurstmere School600 m away
- Chislehurst and Sidcup Grammar School1.0 km away
More reading links
Public Transport Nearby
- Sidcup|1.2 km away
- Albany Park|1.3 km away
- Bexley|2.5 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.
