Our Data Sources
11A, Avalon Close, Orpington has 31 entries in the Land Registry, most recently in December 2025 and a single entry in the EPC database dated October 2024.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 4 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
Decorative condition can have a big effect on a property's value and this effect varies depending on the type, size and location of the property.
If 11A, Avalon Close, Orpington is in very good condition we estimate a sale value of £756,523 and a rental value of £2,721 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £670,063 and a rental value of £2,410 per month.
Plot Size
According to data from HM Land Registry, 11A, Avalon Close, Orpington sits on a plot of 571 m2.
We have plot size data on 20 out of 20 other houses in the postcode and 11A, Avalon Close, Orpington sits on the 7th largest plot.
Energy Efficiency
11A, Avalon Close, Orpington has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 31 Oct 2024.
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
According to HM Land Registry, 11A, Avalon Close, Orpington was last sold on 18th December 2025 for £660,000 and was recorded as a freehold house.
The property has had 3 sales since 1995.
Since December 2025, the market for similar properties has dropped by 1.3%.
- Sold Dec 2025£660,000
- Sold Jan 2014£450,000
- Sold May 1998£134,000
Similar Properties Sold Nearby
According to the Land Registry and our network of Estate Agents, there have been 69 sales of properties similar to 11A, Avalon Close, Orpington within a radius of 860 metres since 2014.
The most recent example is 10, Avalon Close, Orpington, BR6 9BS, a freehold house which sold for £344,770 on the 8th May 2026.
Read more about house prices in BR6.
- Sold May 2026£344,770 | 4 Bed House10, Avalon Close, Orpington, BR6 9BS10, Avalon Close, Orpington, BR6 9BS
- Sold Nov 2025£646,000 | 4 Bed House3, Dorado Gardens, Orpington, BR6 7TD3, Dorado Gardens, Orpington, BR6 7TD
- Sold Apr 2025£680,000 | 3 Bed HouseHalcyon Lodge, Chelsfield Lane, Orpington, BR6 7RSHalcyon Lodge, Chelsfield Lane, Orpington, BR6 7RS
- Sold Mar 2025£545,000 | 4 Bed House73, Craven Road, Orpington, BR6 7RU73, Craven Road, Orpington, BR6 7RU
- Sold Dec 2024£640,000 | 4 Bed House1, Craven Road, Orpington, BR6 7RU1, Craven Road, Orpington, BR6 7RU
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 £639,400, ranging from £573,971 to £768,561.
- 15 Avalon Close
3 Bed House | 13 m | Est. Value: £636,060
- 11 Avalon Close
3 Bed House | 15 m | Est. Value: £624,497
- 9 Avalon Close
3 Bed House | 30 m | Est. Value: £650,455
- 17 Avalon Close
3 Bed House | 32 m | Est. Value: £641,716
- 24 Broadwalk
4 Bed House | 36 m | Est. Value: £688,019
Location Comparison
Avalon Close, Orpington, BR6 has a total of 20 addresses. According to our analysis of all the public data, 11A, Avalon Close, Orpington is the 5th largest and the 5th most expensive property on the street.
When compared to the postcode district it is £78k more expensive than the average property in BR6.
More reading links
Schools Nearby
- Orion Blenheim500 m away
- The Highway Primary School1.1 km away
- Harris Primary Academy Orpington1.3 km away
- Harris Academy Orpington800 m away
- St Olave's and St Saviour's Grammar School1.1 km away
- Newstead Wood School3.2 km away
More reading links
Public Transport Nearby
- Chelsfield|1.6 km away
- Orpington|2.2 km away
- Knockholt|2.6 km away
Available Internet Speeds
According to recent data from Ofcom, Superfast Broadband is available in this area.
According to recent data from Ofcom, Superfast Broadband available in this area.
Risk of Flooding
According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.












