Our Data Sources
11, Welbeck Avenue, Sidcup has a single entry in the Land Registry from November 2010 and a single entry in the EPC database dated May 2010.
We combine this information with that 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 11, Welbeck Avenue, Sidcup, we estimate a market value of £634,130 and a rental value of £2,383 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £561,658 and £2,111 per month respectively.
Plot Size
HM Land Registry records the plot of land for 11, Welbeck Avenue, Sidcup as measuring 369 m2.
That makes it the 10th largest plot in the postcode, where all 14 other houses have recorded plot data.
Energy Efficiency
11, Welbeck Avenue, Sidcup has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 18 May 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 11, Welbeck Avenue, Sidcup completed on 8th November 2010 at £400,000 and was recorded by HM Land Registry as a freehold house.
Since 1995 this is the property's only sale.
Values of comparable properties have risen by 68.0% over the period since November 2010.
- Sold Nov 2010£400,000
Similar Properties Sold Nearby
Since 2017 185 properties similar to 11, Welbeck Avenue, Sidcup have sold within a radius of 690 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 2026£656,000 | 4 Bed House10, Welbeck Avenue, Sidcup, DA15 9BU10, Welbeck Avenue, Sidcup, DA15 9BU
- Sold Mar 2025£580,000 | 4 Bed House30, Collindale Avenue, Sidcup, DA15 9DW30, Collindale Avenue, Sidcup, DA15 9DW
- Sold Mar 2025£610,000 | 4 Bed House59, Burnt Oak Lane, Sidcup, DA15 9BZ59, Burnt Oak Lane, Sidcup, DA15 9BZ
- Sold Mar 2025£554,000 | 3 Bed House33, Montrose Avenue, Sidcup, DA15 9DT33, Montrose Avenue, Sidcup, DA15 9DT
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 £691,313, ranging from £637,452 to £830,575.
- 7 Welbeck Avenue
4 Bed House | 20 m | Est. Value: £671,775
- 5 Welbeck Avenue
4 Bed House | 25 m | Est. Value: £637,452
- 65 Burnt Oak Lane
5 Bed House | 32 m | Est. Value: £830,575
- 67 Burnt Oak Lane
4 Bed House | 32 m | Est. Value: £691,756
- 12 Welbeck Avenue
4 Bed House | 37 m | Est. Value: £693,738
Location Comparison
Of the 14 addresses on Welbeck Avenue, Sidcup, DA15, 11, Welbeck Avenue, Sidcup comes out as the 13th largest and the 13th most expensive in our analysis of the public data.
It is also £97k more expensive than the average property across the DA15 district.
More reading links
Schools Nearby
- Chatsworth Infant School100 m away
- Holy Trinity Lamorbey Church of England School200 m away
- Burnt Oak Junior School300 m away
- Chislehurst and Sidcup Grammar School500 m away
- Hurstmere School800 m away
- Blackfen School for Girls1.2 km away
More reading links
Public Transport Nearby
- Sidcup|600 m away
- Albany Park|1.6 km away
- New Eltham|2.3 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.
