Our Data Sources
17, Knoll Rise, Orpington has a single entry in the Land Registry from April 2019 and a single entry in the EPC database dated August 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 17, Knoll Rise, Orpington would be worth £1,104,737, with a potential rental value of £3,481 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £978,481, with a rental value of £3,083 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
17, Knoll Rise, Orpington occupies a 941 m2 plot as recorded by HM Land Registry.
Of the 26 other houses in this postcode, 25 have recorded plot sizes, and this one ranks as the 2nd largest.
Energy Efficiency
17, Knoll Rise, Orpington has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 21 Aug 2025.
The property is connected to mains gas and has high performance glazing. It is heated using a boiler and underfloor heating (mains gas, boiler and radiators, mains gas).
Sold Prices
17, Knoll Rise, Orpington last changed hands on 18th April 2019, selling for £727,500. 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 5.3% since April 2019.
- Sold Apr 2019£727,500
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 57 sales of comparable properties within 590 metres of 17, Knoll Rise, Orpington since 2012.
Most recently, 8, Hillview Road, Orpington, BR6 0SF, a freehold house, sold at £1,000,000 on the 17th October 2025.
Read more about house prices in BR6.
- Sold Oct 2025£1,000,000 | 5 Bed House8, Hillview Road, Orpington, BR6 0SF8, Hillview Road, Orpington, BR6 0SF
- Sold Sep 2025£840,000 | 5 Bed House18, Hillview Road, Orpington, BR6 0SF18, Hillview Road, Orpington, BR6 0SF
- Sold Oct 2024£950,000 | 5 Bed House87, Dale Wood Road, Orpington, BR6 0BY87, Dale Wood Road, Orpington, BR6 0BY
- Sold Apr 2024£1,100,000 | 5 Bed House5, Elm Grove, Orpington, BR6 0AA5, Elm Grove, Orpington, BR6 0AA
- Sold Nov 2023£1,170,000 | 5 Bed House6, Elm Grove, Orpington, BR6 0AB6, Elm Grove, Orpington, BR6 0AB
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 £862,117, ranging from £619,467 to £1,038,251.
- 17A Knoll Rise
3 Bed House | 9 m | Est. Value: £619,467
- 17B Knoll Rise
4 Bed House | 17 m | Est. Value: £713,430
- 1 Pepys Rise
4 Bed House | 38 m | Est. Value: £921,855
- 38A Knoll Rise
5 Bed House | 39 m | Est. Value: £1,038,251
- 11 Knoll Rise
4 Bed House | 44 m | Est. Value: £875,626
Location Comparison
Our analysis of the public data ranks 17, Knoll Rise, Orpington as the 3rd largest and the 3rd most expensive of the 166 addresses on Knoll Rise, Orpington, BR6.
Against the BR6 postcode district average, it is £412k more expensive than the typical property.
More reading links
Schools Nearby
- Perry Hall Primary School900 m away
- Holy Innocents Catholic Primary School1.1 km away
- Crofton Infant School1.2 km away
- St Olave's and St Saviour's Grammar School1.2 km away
- Harris Academy Orpington1.5 km away
- Newstead Wood School1.7 km away
More reading links
Public Transport Nearby
- Orpington|400 m away
- Petts Wood|2.0 km away
- St Mary Cray|2.3 km away
Available Internet Speeds
Ofcom's latest figures show ultrafast broadband available in this area.
According to recent data from Ofcom, Ultrafast Broadband available in this area.
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.












