Our Data Sources
21, Dorset Avenue, Welling has 31 entries in the Land Registry, most recently in March 2011 and a single entry in the EPC database dated June 2010.
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, Dorset Avenue, Welling, we estimate a market value of £575,232 and a rental value of £2,397 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £509,491 and £2,123 per month respectively.
Plot Size
HM Land Registry records the plot of land for 21, Dorset Avenue, Welling as measuring 268 m2.
That makes it the 25th largest plot in the postcode, where 36 of the 38 other houses have recorded plot data.
Energy Efficiency
21, Dorset Avenue, Welling has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 09 Jun 2010.
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, Dorset Avenue, Welling completed on 25th March 2011 at £249,995 and was recorded by HM Land Registry as a freehold house.
Since 1995 the property has sold 3 times.
Values of comparable properties have risen by 99.9% over the period since March 2011.
- Sold Mar 2011£249,995
- Sold Oct 2003£218,950
- Sold Jan 1999£111,000
Similar Properties Sold Nearby
Since 2015 306 properties similar to 21, Dorset Avenue, Welling have sold within a radius of 490 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 5th May 2026, was 90, Cumberland Avenue, Welling, DA16 2PU, a freehold house which sold for £525,000.
Read more about house prices in DA16.
- Sold May 2026£525,000 | 3 Bed House90, Cumberland Avenue, Welling, DA16 2PU90, Cumberland Avenue, Welling, DA16 2PU
- Sold Apr 2026£490,000 | 4 Bed House98, Westwood Lane, Welling, DA16 2HH98, Westwood Lane, Welling, DA16 2HH
- Sold Mar 2026£590,000 | 4 Bed House115, Westwood Lane, Welling, DA16 2HJ115, Westwood Lane, Welling, DA16 2HJ
- Sold Nov 2025£545,000 | 4 Bed House184, Hook Lane, Welling, DA16 2NY184, Hook Lane, Welling, DA16 2NY
- Sold Sep 2025£600,000 | 4 Bed House6, Buckingham Avenue, Welling, DA16 2LX6, Buckingham Avenue, Welling, DA16 2LX
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 £524,272, ranging from £455,090 to £613,701.
- 23 Dorset Avenue
3 Bed House | 6 m | Est. Value: £481,146
- 17 Dorset Avenue
4 Bed House | 16 m | Est. Value: £557,326
- 15 Dorset Avenue
4 Bed House | 25 m | Est. Value: £577,575
- 29 Dorset Avenue
4 Bed House | 28 m | Est. Value: £613,701
- 31 Dorset Avenue
3 Bed House | 34 m | Est. Value: £458,061
Location Comparison
Of the 38 addresses on Dorset Avenue, Welling, DA16, 21, Dorset Avenue, Welling comes out as the 17th largest and the 15th most expensive in our analysis of the public data.
It is also £94k more expensive than the average property across the DA16 district.
More reading links
Schools Nearby
- Bishop Ridley Church of England VA Primary School600 m away
- Hook Lane Primary School700 m away
- Danson Primary School700 m away
- Harris Academy Falconwood500 m away
- Bexley Grammar School800 m away
- Blackfen School for Girls1.5 km away
More reading links
Public Transport Nearby
- Welling|900 m away
- Falconwood|1.2 km away
- Sidcup|2.6 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.












