According to data from HM Land Registry, Duna, Orpington sits on a plot of 632 m².

We have plot size data on 15 out of 15 other houses in the postcode and Duna, Orpington sits on the 11th largest plot.

Duna, Orpington has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 26 Apr 2018.

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 HM Land Registry, Duna, Orpington was last sold on 15th November 2022 for £665,000 and was recorded as a freehold house.

The property has had 4 sales since 1995.

Since November 2022, the market for similar properties has dropped by 18.0%.

• Sold Nov 2022£665,000
• Sold Dec 2009£476,500
• Sold Aug 2006£425,000

According to the Land Registry and our network of Estate Agents, there have been 54 sales of properties similar to Duna, Orpington within a radius of 2.9 kilometres since 2008.

The most recent example is The Cottage, Badgers Road, Sevenoaks, TN14 7AY, a freehold house which sold for £800,000 on the 20th February 2026.

Read more about house prices in BR6.

• Sold Feb 2026£800,000 | 4 Bed HouseThe Cottage, Badgers Road, Sevenoaks, TN14 7AYThe Cottage, Badgers Road, Sevenoaks, TN14 7AY
• Sold Dec 2025£602,100 | 4 Bed HouseHazards, Rock Hill, Orpington, BR6 7PPHazards, Rock Hill, Orpington, BR6 7PP
• Sold Jul 2025£750,000 | 4 Bed HouseFlintstones, Cadlocks Hill, Sevenoaks, TN14 7DUFlintstones, Cadlocks Hill, Sevenoaks, TN14 7DU
• Sold Jun 2025£720,000 | 4 Bed House1, Broke Farm Drive, Orpington, BR6 7SH1, Broke Farm Drive, Orpington, BR6 7SH
• 
  Sold Dec 2024£890,000 | 5 Bed House64, Craven Road, Orpington, BR6 7RT64, Craven Road, Orpington, BR6 7RT
• Sold Mar 2024£830,000 | 4 Bed House30, Old London Road, Sevenoaks, TN14 7AE30, Old London Road, Sevenoaks, TN14 7AE
• Sold Mar 2023£690,000 | 5 Bed House30, Turnpike Drive, Orpington, BR6 7SJ30, Turnpike Drive, Orpington, BR6 7SJ
• Sold Sep 2022£775,000 | 4 Bed House42, Old London Road, Sevenoaks, TN14 7AE42, Old London Road, Sevenoaks, TN14 7AE
• Sold Jul 2022£675,000 | 4 Bed House27, Mosyer Drive, Orpington, BR5 4PN27, Mosyer Drive, Orpington, BR5 4PN
• Sold Apr 2022£625,000 | 4 Bed HouseRosemount, Badgers Road, Sevenoaks, TN14 7ATRosemount, Badgers Road, Sevenoaks, TN14 7AT
• Sold Nov 2021£735,000 | 4 Bed HouseOakdale, Orpington By Pass, Sevenoaks, TN14 7AGOakdale, Orpington By Pass, Sevenoaks, TN14 7AG
• Sold Jun 2021£725,000 | 4 Bed House40, Old London Road, Sevenoaks, TN14 7AE40, Old London Road, Sevenoaks, TN14 7AE
• Sold Nov 2020£712,500 | 5 Bed House2, The Firs, Orpington, BR6 7QU2, The Firs, Orpington, BR6 7QU
• Sold Oct 2020£900,000 | 4 Bed HouseThe Stables, Daltons Road, Orpington, BR6 7QDThe Stables, Daltons Road, Orpington, BR6 7QD
• Sold Jul 2019£560,000 | 5 Bed HouseRosedene, Firmingers Road, Orpington, BR6 7QGRosedene, Firmingers Road, Orpington, BR6 7QG
• Sold Mar 2018£650,000 | 4 Bed House48, Old London Road, Sevenoaks, TN14 7AE48, Old London Road, Sevenoaks, TN14 7AE
• Sold Sep 2016£535,000 | 4 Bed House16, Old London Road, Sevenoaks, TN14 7AE16, Old London Road, Sevenoaks, TN14 7AE
• Sold Jun 2016£760,000 | 4 Bed HouseBracken, Badgers Road, Sevenoaks, TN14 7AZBracken, Badgers Road, Sevenoaks, TN14 7AZ
• Sold Dec 2014£465,000 | 4 Bed House1 Hewitts New Farm Cottages, Hewitts Road, Orpington, BR6 7QS1 Hewitts New Farm Cottages, Hewitts Road, Orpington, BR6 7QS
• Sold Dec 2008£700,000 | 4 Bed HouseHeathers, Rock Hill, Orpington, BR6 7PPHeathers, Rock Hill, Orpington, BR6 7PP

Rock Hill, Orpington, BR6 has a total of 24 addresses. According to our analysis of all the public data, Duna, Orpington is the 9th largest and the 13th most expensive property on the street.

When compared to the postcode district it is £60k more expensive than the average property in BR6.

• Chelsfield Primary School

  1.6 km away
• The Highway Primary School

  2.8 km away
• Halstead Community Primary School

  2.9 km away

• Harris Academy Orpington

  3.4 km away
• St Olave's and St Saviour's Grammar School

  3.5 km away
• Orchards Academy

  5.0 km away

• Knockholt

  |

  1.6 km away
• Chelsfield

  |

  2.9 km away
• Shoreham (Kent)

  |

  3.6 km away

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