Our Data Sources
25, Wyncham Avenue, Sidcup has a single entry in the Land Registry from December 2014 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.
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, Wyncham Avenue, Sidcup, we estimate a market value of £593,701 and a rental value of £2,645 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £525,849 and £2,343 per month respectively.
Plot Size
HM Land Registry records the plot of land for 25, Wyncham Avenue, Sidcup as measuring 235 m2.
That makes it the 29th largest plot in the postcode, where 56 of the 57 other houses have recorded plot data.
Energy Efficiency
25, Wyncham Avenue, Sidcup has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 01 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 25, Wyncham Avenue, Sidcup completed on 4th December 2014 at £295,000 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 52.0% over the period since December 2014.
- Sold Dec 2014£295,000
Similar Properties Sold Nearby
Since 2019 232 properties similar to 25, Wyncham Avenue, Sidcup have sold within a radius of 500 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 27th November 2025, was 1, Harborough Avenue, Sidcup, DA15 8HL, a freehold house which sold for £585,000.
Read more about house prices in DA15.
- Sold Nov 2025£585,000 | 4 Bed House1, Harborough Avenue, Sidcup, DA15 8HL1, Harborough Avenue, Sidcup, DA15 8HL
- Sold Nov 2025£545,000 | 4 Bed House47, Pinewood Avenue, Sidcup, DA15 8BB47, Pinewood Avenue, Sidcup, DA15 8BB
- Sold Jul 2025£505,000 | 4 Bed House185, Old Farm Avenue, Sidcup, DA15 8AW185, Old Farm Avenue, Sidcup, DA15 8AW
- Sold Jun 2025£550,000 | 4 Bed House22, Days Lane, Sidcup, DA15 8JN22, Days Lane, Sidcup, DA15 8JN
- Sold Mar 2025£680,000 | 4 Bed House144, Halfway Street, Sidcup, DA15 8DB144, Halfway Street, Sidcup, DA15 8DB
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 £462,522, ranging from £375,833 to £527,717.
- 23 Wyncham Avenue
3 Bed House | 8 m | Est. Value: £527,717
- 21 Wyncham Avenue
3 Bed House | 13 m | Est. Value: £511,141
- 31 Wyncham Avenue
3 Bed House | 17 m | Est. Value: £431,850
- 19 Wyncham Avenue
3 Bed House | 21 m | Est. Value: £499,780
- 33 Wyncham Avenue
3 Bed House | 25 m | Est. Value: £451,419
Location Comparison
Of the 108 addresses on Wyncham Avenue, Sidcup, DA15, 25, Wyncham Avenue, Sidcup comes out as the 8th largest and the 8th most expensive in our analysis of the public data.
It is also £62k more expensive than the average property across the DA15 district.
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
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.












