Our Data Sources
143, Avalon Road, Orpington has a single entry in the Land Registry from January 2020 and a single entry in the EPC database dated December 2025.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 2 out of 5 and is considered of medium accuracy.
Price Range & Condition
In very good condition, we estimate 143, Avalon Road, Orpington would be worth £852,687, with a potential rental value of £3,042 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £755,237, with a rental value of £2,694 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
143, Avalon Road, Orpington occupies a 387 m2 plot as recorded by HM Land Registry.
All 8 other houses in this postcode have recorded plot sizes, and this one ranks as the 8th largest.
Energy Efficiency
143, Avalon Road, Orpington has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 17 Dec 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
143, Avalon Road, Orpington last changed hands on 31st January 2020, selling for £435,000. The transaction was logged as a freehold house by HM Land Registry.
That is its only recorded sale since 1995.
The market for similar properties has risen by 24.3% since January 2020.
- Sold Jan 2020£435,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 53 sales of comparable properties within 800 metres of 143, Avalon Road, Orpington since 2015.
Most recently, 6, Avalon Road, Orpington, BR6 9AX, a freehold house, sold at £773,300 on the 6th June 2025.
Read more about house prices in BR6.
- Sold Jun 2025£773,300 | 4 Bed House6, Avalon Road, Orpington, BR6 9AX6, Avalon Road, Orpington, BR6 9AX
- Sold Dec 2024£890,000 | 5 Bed House64, Craven Road, Orpington, BR6 7RT64, Craven Road, Orpington, BR6 7RT
- Sold Nov 2024£683,000 | 4 Bed House1, Hawfield Bank, Orpington, BR6 7TA1, Hawfield Bank, Orpington, BR6 7TA
- Sold Jun 2024£715,000 | 4 Bed House17, Broadwalk, Orpington, BR6 7RZ17, Broadwalk, Orpington, BR6 7RZ
- Sold Apr 2024£700,000 | 4 Bed HouseHighbury, Chelsfield Lane, Orpington, BR6 7RSHighbury, Chelsfield Lane, Orpington, BR6 7RS
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 £581,845, ranging from £530,354 to £728,181.
- 145 Avalon Road
3 Bed House | 13 m | Est. Value: £632,823
- 147 Avalon Road
3 Bed House | 27 m | Est. Value: £572,231
- 146 Avalon Road
3 Bed House | 38 m | Est. Value: £555,820
- 142 Avalon Road
3 Bed House | 39 m | Est. Value: £555,677
- 7 Long Acre
3 Bed House | 47 m | Est. Value: £557,501
Location Comparison
Our analysis of the public data ranks 143, Avalon Road, Orpington as the 9th largest and the 3rd most expensive of the 167 addresses on Avalon Road, Orpington, BR6.
Against the BR6 postcode district average, it is £169k more expensive than the typical property.
More reading links
Schools Nearby
- Orion Blenheim400 m away
- Harris Primary Academy Orpington1.2 km away
- The Highway Primary School1.3 km away
- Harris Academy Orpington700 m away
- St Olave's and St Saviour's Grammar School1.3 km away
- Newstead Wood School3.3 km away
More reading links
Public Transport Nearby
- Chelsfield|1.7 km away
- Orpington|2.3 km away
- Knockholt|2.8 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.












