Our Data Sources
129, Lyndon Avenue, Sidcup has 2 entries in the Land Registry, most recently in June 2021 and a single entry in the EPC database dated October 2020.
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
In very good condition, we estimate 129, Lyndon Avenue, Sidcup would be worth £493,633, with a potential rental value of £2,299 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £437,217, with a rental value of £2,036 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
129, Lyndon Avenue, Sidcup occupies a 185 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 2nd largest.
Energy Efficiency
129, Lyndon Avenue, Sidcup has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 28 Oct 2020.
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
129, Lyndon Avenue, Sidcup last changed hands on 29th June 2021, selling for £390,000. 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 19.8% since June 2021.
- Sold Jun 2021£390,000
- Sold Oct 2014£310,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 443 sales of comparable properties within 480 metres of 129, Lyndon Avenue, Sidcup since 2020.
Most recently, 167, Sutherland Avenue, Welling, DA16 2NW, a freehold house, sold at £465,000 on the 26th February 2026.
Read more about house prices in DA15.
- Sold Feb 2026£465,000 | 3 Bed House167, Sutherland Avenue, Welling, DA16 2NW167, Sutherland Avenue, Welling, DA16 2NW
- Sold Jan 2026£575,000 | 3 Bed House20, Leechcroft Avenue, Sidcup, DA15 8RS20, Leechcroft Avenue, Sidcup, DA15 8RS
- Sold Jan 2026£512,000 | 3 Bed House202, Hook Lane, Welling, DA16 2NY202, Hook Lane, Welling, DA16 2NY
- Sold Oct 2025£485,000 | 3 Bed House7, Leechcroft Avenue, Sidcup, DA15 8RR7, Leechcroft Avenue, Sidcup, DA15 8RR
- Sold Sep 2025£470,000 | 3 Bed House56, Orchard Rise East, Sidcup, DA15 8RT56, Orchard Rise East, Sidcup, DA15 8RT
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 £435,748, ranging from £329,354 to £546,739.
- 127 Lyndon Avenue
2 Bed House | 5 m | Est. Value: £329,354
- 123 Lyndon Avenue
2 Bed House | 14 m | Est. Value: £345,994
- 121 Lyndon Avenue
2 Bed House | 18 m | Est. Value: £387,654
- 119 Lyndon Avenue
3 Bed House | 22 m | Est. Value: £455,564
- 28 Leechcroft Avenue
3 Bed House | 23 m | Est. Value: £472,770
Location Comparison
Our analysis of the public data ranks 129, Lyndon Avenue, Sidcup as the 40th largest and the 27th most expensive of the 163 addresses on Lyndon Avenue, Sidcup, DA15.
Against the DA15 postcode district average, it is £34k less expensive than the typical property.
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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.












