Our Data Sources
21, Wyncham Avenue, Sidcup has no recent1 records in the Land Registry and a single entry in the EPC database dated September 2017.
We combine this information with public data 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
In very good condition, we estimate 21, Wyncham Avenue, Sidcup would be worth £536,698, with a potential rental value of £2,420 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £475,361, with a rental value of £2,143 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
21, Wyncham Avenue, Sidcup occupies a 243 m2 plot as recorded by HM Land Registry.
Of the 57 other houses in this postcode, 56 have recorded plot sizes, and this one ranks as the 20th largest.
Energy Efficiency
21, Wyncham Avenue, Sidcup has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 18 Sep 2017.
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
21, Wyncham Avenue, Sidcup last changed hands on 4th November 2005, selling for £249,950. The transaction was logged as a freehold house by HM Land Registry.
In total it has sold 3 times since 1995.
- Sold Nov 2005£249,950
- Sold Oct 2003£234,000
- Sold Dec 1996£60,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 289 sales of comparable properties within 500 metres of 21, Wyncham Avenue, Sidcup since 2017.
Most recently, 39, Ellison Road, Sidcup, DA15 8BN, a freehold house, sold at £535,000 on the 24th October 2025.
Read more about house prices in DA15.
- Sold Oct 2025£535,000 | 3 Bed House39, Ellison Road, Sidcup, DA15 8BN39, Ellison Road, Sidcup, DA15 8BN
- Sold Aug 2025£550,000 | 3 Bed House19, Wyncham Avenue, Sidcup, DA15 8EU19, Wyncham Avenue, Sidcup, DA15 8EU
- Sold Jul 2025£539,000 | 3 Bed House92, Pinewood Avenue, Sidcup, DA15 8BD92, Pinewood Avenue, Sidcup, DA15 8BD
- Sold May 2025£350,000 | 3 Bed House12, Wyncham Avenue, Sidcup, DA15 8ER12, Wyncham Avenue, Sidcup, DA15 8ER
- Sold Mar 2025£420,000 | 3 Bed House72, Wyncham Avenue, Sidcup, DA15 8ER72, Wyncham Avenue, Sidcup, DA15 8ER
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 £491,299, ranging from £431,850 to £565,429.
- 23 Wyncham Avenue
3 Bed House | 6 m | Est. Value: £527,717
- 19 Wyncham Avenue
3 Bed House | 8 m | Est. Value: £499,780
- 17 Wyncham Avenue
3 Bed House | 12 m | Est. Value: £448,218
- 25 Wyncham Avenue
4 Bed House | 13 m | Est. Value: £565,429
- 31 Wyncham Avenue
3 Bed House | 30 m | Est. Value: £431,850
Location Comparison
Our analysis of the public data ranks 21, Wyncham Avenue, Sidcup as the 35th largest and the 30th most expensive of the 108 addresses on Wyncham Avenue, Sidcup, DA15.
Against the DA15 postcode district average, it is £7k more expensive than the typical property.
More reading links
Schools Nearby
- Burnt Oak Junior School700 m away
- Our Lady of the Rosary Catholic Primary School700 m away
- Days Lane Primary School900 m away
- Chislehurst and Sidcup Grammar School1.3 km away
- Hurstmere School1.6 km away
- Blackfen School for Girls1.7 km away
More reading links
Public Transport Nearby
- Sidcup|1.1 km away
- New Eltham|1.5 km away
- Falconwood|2.2 km away
Available Internet Speeds
Ofcom's latest figures show superfast broadband available in this area.
According to recent data from Ofcom, Superfast Broadband available in this area.
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.
