According to data from HM Land Registry, 20, Knoll Rise, Orpington sits on a plot of 867 m².

We have plot size data on 19 out of 19 other houses in the postcode and 20, Knoll Rise, Orpington sits on the 5th largest plot.

20, Knoll Rise, Orpington has an Energy Performance Rating (EPC) of F. This is based on the most recent assessment, dated 03 Dec 2015.

The property is not connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (oil).

According to the Land Registry and our network of Estate Agents, there have been 138 sales of properties similar to 20, Knoll Rise, Orpington within a radius of 550 metres since 2007.

The most recent example is 8, Sequoia Gardens, Orpington, BR6 0TZ, a freehold house which sold for £725,000 on the 19th December 2025.

Read more about house prices in BR6.

• Sold Dec 2025£725,000 | 4 Bed House8, Sequoia Gardens, Orpington, BR6 0TZ8, Sequoia Gardens, Orpington, BR6 0TZ
• Sold Mar 2025£700,000 | 3 Bed House38, Elm Grove, Orpington, BR6 0AB38, Elm Grove, Orpington, BR6 0AB
• Sold Mar 2025£740,000 | 4 Bed House26, Sevenoaks Road, Orpington, BR6 9JJ26, Sevenoaks Road, Orpington, BR6 9JJ
• Sold Mar 2025£595,000 | 4 Bed House11, Blossom Drive, Orpington, BR6 0AS11, Blossom Drive, Orpington, BR6 0AS
• Sold Mar 2025£740,000 | 4 Bed House18, Spur Road, Orpington, BR6 0QL18, Spur Road, Orpington, BR6 0QL
• Sold Jan 2025£717,500 | 3 Bed House33, Elm Grove, Orpington, BR6 0AA33, Elm Grove, Orpington, BR6 0AA
• Sold Sep 2024£715,000 | 4 Bed House10, Oakhill Road, Orpington, BR6 0AE10, Oakhill Road, Orpington, BR6 0AE
• Sold Sep 2024£700,000 | 4 Bed HouseSquirrels Leap, The Avenue, Orpington, BR6 9ASSquirrels Leap, The Avenue, Orpington, BR6 9AS
• Sold Aug 2024£620,000 | 3 Bed House35, Elm Grove, Orpington, BR6 0AA35, Elm Grove, Orpington, BR6 0AA
• Sold Apr 2024£640,000 | 4 Bed House15, Vinson Close, Orpington, BR6 0EQ15, Vinson Close, Orpington, BR6 0EQ
• Sold Jan 2024£835,000 | 4 Bed House76, Elm Grove, Orpington, BR6 0AD76, Elm Grove, Orpington, BR6 0AD
• Sold Sep 2023£700,000 | 4 Bed House88, Elm Grove, Orpington, BR6 0AD88, Elm Grove, Orpington, BR6 0AD
• Sold Oct 2022£725,000 | 4 Bed House16, Knoll Rise, Orpington, BR6 0DD16, Knoll Rise, Orpington, BR6 0DD
• Sold Apr 2022£883,000 | 3 Bed House24, Elm Grove, Orpington, BR6 0AB24, Elm Grove, Orpington, BR6 0AB
• Sold Jun 2021£660,000 | 4 Bed House49, Vinson Close, Orpington, BR6 0EQ49, Vinson Close, Orpington, BR6 0EQ
• Sold Feb 2021£675,000 | 3 Bed House22, Elm Grove, Orpington, BR6 0AB22, Elm Grove, Orpington, BR6 0AB
• Sold Jan 2021£590,000 | 4 Bed House47, Broomhill Road, Orpington, BR6 0EN47, Broomhill Road, Orpington, BR6 0EN
• Sold Jun 2016£775,000 | 4 Bed House34, Knoll Rise, Orpington, BR6 0DD34, Knoll Rise, Orpington, BR6 0DD
• Sold Apr 2008£373,000 | 4 Bed House18, Knoll Rise, Orpington, BR6 0DD18, Knoll Rise, Orpington, BR6 0DD
• Sold Jul 2007£435,000 | 4 Bed House30, Knoll Rise, Orpington, BR6 0DD30, Knoll Rise, Orpington, BR6 0DD

Knoll Rise, Orpington, BR6 has a total of 166 addresses. According to our analysis of all the public data, 20, Knoll Rise, Orpington is the 34th largest and the 36th most expensive property on the street.

When compared to the postcode district it is £85k more expensive than the average property in BR6.

• Perry Hall Primary School

  900 m away
• Holy Innocents Catholic Primary School

  1.1 km away
• Crofton Infant School

  1.3 km away

• St Olave's and St Saviour's Grammar School

  1.2 km away
• Harris Academy Orpington

  1.4 km away
• Newstead Wood School

  1.8 km away

• Orpington

  |

  500 m away
• Petts Wood

  |

  2.0 km away
• St Mary Cray

  |

  2.3 km away

According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.