Our Data Sources
17, Thorndon Close, Orpington has no records in the Land Registry and a single entry in the EPC database dated July 2018.
We combine this information with public data of neighbouring properties to estimate the property attributes and values.
The local information is scored as 1 out of 5 and is considered of low accuracy.
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 17, Thorndon Close, Orpington, we estimate a market value of £416,264 and a rental value of £2,018 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £368,691 and £1,787 per month respectively.
Plot Size
HM Land Registry records the plot of land for 17, Thorndon Close, Orpington as measuring 394 m2.
That makes it the 5th largest plot in the postcode, where 25 of the 26 other houses have recorded plot data.
Energy Efficiency
17, Thorndon Close, Orpington has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 16 Jul 2018.
The property is connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).
Similar Properties Sold Nearby
Since 2020 195 properties similar to 17, Thorndon Close, Orpington have sold within a radius of 820 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 30th April 2026, was 26, Beddington Road, Orpington, BR5 2TG, a freehold house which sold for £400,000.
Read more about house prices in BR5.
- Sold Apr 2026£400,000 | 3 Bed House26, Beddington Road, Orpington, BR5 2TG26, Beddington Road, Orpington, BR5 2TG
- Sold Mar 2026£450,000 | 3 Bed House12, Thorndon Close, Orpington, BR5 2SJ12, Thorndon Close, Orpington, BR5 2SJ
- Sold Mar 2026£410,000 | 3 Bed House47, Leesons Way, Orpington, BR5 2QB47, Leesons Way, Orpington, BR5 2QB
- Sold Jan 2026£430,000 | 3 Bed House9, Thorndon Close, Orpington, BR5 2SH9, Thorndon Close, Orpington, BR5 2SH
- Sold Dec 2025£250,000 | 3 Bed House66, Beddington Road, Orpington, BR5 2TF66, Beddington Road, Orpington, BR5 2TF
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 £505,682, ranging from £391,652 to £1,170,384.
- 19 Thorndon Close
3 Bed House | 6 m | Est. Value: £407,154
- 15 Thorndon Close
3 Bed House | 16 m | Est. Value: £393,689
- 21 Thorndon Close
3 Bed House | 20 m | Est. Value: £401,618
- 11 Thorndon Close
3 Bed House | 31 m | Est. Value: £438,182
- 9 Thorndon Close
3 Bed House | 36 m | Est. Value: £396,011
Location Comparison
Of the 47 addresses on Thorndon Close, Orpington, BR5, 17, Thorndon Close, Orpington comes out as the 19th largest and the 20th most expensive in our analysis of the public data.
It is also £84k less expensive than the average property across the BR5 district.
More reading links
Schools Nearby
- St Peter and St Paul Catholic Primary School500 m away
- Midfield Primary School700 m away
- Leesons Primary School1.1 km away
- Kemnal Technology College1.3 km away
- Chislehurst School for Girls1.5 km away
- Orion Coopers1.5 km away
More reading links
Public Transport Nearby
- St Mary Cray|1.5 km away
- Petts Wood|2.4 km away
- Chislehurst|2.6 km away
Available Internet Speeds
Broadband here reaches ultrafast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Ultrafast Broadband available in this area.
Risk of Flooding
The flood risk here is rated Very Low, based on Environment Agency data.












