Our Data Sources
121, Lyndon Avenue, Sidcup has 51 entries in the Land Registry, most recently in February 2022 and a single entry in the EPC database dated October 2021.
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 121, Lyndon Avenue, Sidcup, we estimate a market value of £407,037 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 £360,518 and £1,708 per month respectively.
Plot Size
HM Land Registry records the plot of land for 121, Lyndon Avenue, Sidcup as measuring 124 m2.
That makes it the 8th largest plot in the postcode, where 12 of the 18 other houses have recorded plot data.
Energy Efficiency
121, Lyndon Avenue, Sidcup has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 04 Oct 2021.
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 121, Lyndon Avenue, Sidcup completed on 18th February 2022 at £380,000 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 10.6% over the period since February 2022.
- Sold Feb 2022£380,000
- Sold Mar 2013£194,000
- Sold Jul 2008£205,000
Similar Properties Sold Nearby
Since 2021 149 properties similar to 121, Lyndon Avenue, Sidcup have sold within a radius of 470 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 30th January 2026, was 21, Curran Avenue, Sidcup, DA15 8RP, a freehold house which sold for £410,000.
Read more about house prices in DA15.
- Sold Jan 2026£410,000 | 3 Bed House21, Curran Avenue, Sidcup, DA15 8RP21, Curran Avenue, Sidcup, DA15 8RP
- Sold Oct 2025£429,000 | 3 Bed House65, Lyndon Avenue, Sidcup, DA15 8RL65, Lyndon Avenue, Sidcup, DA15 8RL
- Sold Sep 2025£410,000 | 2 Bed House29, Curran Avenue, Sidcup, DA15 8RP29, Curran Avenue, Sidcup, DA15 8RP
- Sold Aug 2025£420,000 | 2 Bed House107, Lyndon Avenue, Sidcup, DA15 8RW107, Lyndon Avenue, Sidcup, DA15 8RW
- Sold Jul 2025£400,000 | 2 Bed House16, Curran Avenue, Sidcup, DA15 8RP16, Curran Avenue, Sidcup, DA15 8RP
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 £429,573, ranging from £329,354 to £596,155.
- 119 Lyndon Avenue
3 Bed House | 4 m | Est. Value: £455,564
- 123 Lyndon Avenue
2 Bed House | 4 m | Est. Value: £345,994
- 127 Lyndon Avenue
2 Bed House | 13 m | Est. Value: £329,354
- 117 Lyndon Avenue
2 Bed House | 14 m | Est. Value: £397,622
- 115 Lyndon Avenue
2 Bed House | 18 m | Est. Value: £384,272
Location Comparison
Of the 163 addresses on Lyndon Avenue, Sidcup, DA15, 121, Lyndon Avenue, Sidcup comes out as the 133rd largest and the 119th most expensive in our analysis of the public data.
It is also £116k less expensive than the average property across the DA15 district.
More reading links
Schools Nearby
- Days Lane Primary School600 m away
- Our Lady of the Rosary Catholic Primary School700 m away
- Danson Primary School800 m away
- Bexley Grammar School800 m away
- Harris Academy Falconwood800 m away
- Blackfen School for Girls1.1 km away
More reading links
Public Transport Nearby
- Welling|1.4 km away
- Falconwood|1.5 km away
- Sidcup|2.1 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.












