Our Data Sources
123, Lyndon Avenue, Sidcup has 21 entries in the Land Registry, most recently in October 2010 and a single entry in the EPC database dated June 2026.
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
In very good condition, we estimate 123, Lyndon Avenue, Sidcup would be worth £364,187, with a potential rental value of £1,719 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £322,565, with a rental value of £1,523 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
123, Lyndon Avenue, Sidcup occupies a 121 m2 plot as recorded by HM Land Registry.
Of the 18 other houses in this postcode, 12 have recorded plot sizes, and this one ranks as the 10th largest.
Energy Efficiency
123, Lyndon Avenue, Sidcup has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 09 Jun 2026.
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
123, Lyndon Avenue, Sidcup last changed hands on 1st October 2010, selling for £199,995. The transaction was logged as a freehold house by HM Land Registry.
In total it has sold twice since 1995.
The market for similar properties has risen by 112.6% since October 2010.
- Sold Oct 2010£199,995
- Sold Feb 2004£155,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 17 sales of comparable properties within 470 metres of 123, Lyndon Avenue, Sidcup since 2013.
Most recently, 29, Curran Avenue, Sidcup, DA15 8RP, a freehold house, sold at £410,000 on the 11th September 2025.
Read more about house prices in DA15.
- Sold Sep 2025£410,000 | 2 Bed House29, Curran Avenue, Sidcup, DA15 8RP29, Curran Avenue, Sidcup, DA15 8RP
- Sold Apr 2024£418,000 | 2 Bed House5, Curran Avenue, Sidcup, DA15 8RP5, Curran Avenue, Sidcup, DA15 8RP
- Sold Jan 2023£385,000 | 2 Bed House57, Lyndon Avenue, Sidcup, DA15 8RL57, Lyndon Avenue, Sidcup, DA15 8RL
- Sold Nov 2021£325,000 | 2 Bed House2, Hawthorn Terrace, Sidcup, DA15 8PP2, Hawthorn Terrace, Sidcup, DA15 8PP
- Sold Sep 2021£315,000 | 2 Bed House8, Hawthorn Terrace, Sidcup, DA15 8PP8, Hawthorn Terrace, Sidcup, DA15 8PP
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 £426,070, ranging from £330,212 to £477,948.
- 121 Lyndon Avenue
2 Bed House | 4 m | Est. Value: £388,847
- 127 Lyndon Avenue
2 Bed House | 9 m | Est. Value: £330,212
- 119 Lyndon Avenue
3 Bed House | 9 m | Est. Value: £457,274
- 129 Lyndon Avenue
3 Bed House | 14 m | Est. Value: £471,928
- 117 Lyndon Avenue
2 Bed House | 19 m | Est. Value: £398,892
Location Comparison
Our analysis of the public data ranks 123, Lyndon Avenue, Sidcup as the 152nd largest and the 132nd most expensive of the 163 addresses on Lyndon Avenue, Sidcup, DA15.
Against the DA15 postcode district average, it is £160k less expensive than the typical property.
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
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.












