According to data from HM Land Registry, 18, Cloonmore Avenue, Orpington sits on a plot of 504 m².

We have plot size data on 25 out of 25 other houses in the postcode and 18, Cloonmore Avenue, Orpington sits on the 3rd largest plot.

18, Cloonmore Avenue, Orpington has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 09 Apr 2021.

The property is connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).

According to HM Land Registry, 18, Cloonmore Avenue, Orpington was last sold on 16th December 2022 for £940,000 and was recorded as a freehold house.

The property has had 2 sales since 1995.

Since December 2022, the market for similar properties has dropped by 0.7%.

• Sold Dec 2022£940,000
• Sold Feb 2015£476,000

According to the Land Registry and our network of Estate Agents, there have been 93 sales of properties similar to 18, Cloonmore Avenue, Orpington within a radius of 560 metres since 2014.

The most recent example is 25, Vancouver Close, Orpington, BR6 9XQ, a freehold house which sold for £875,000 on the 16th January 2026.

Read more about house prices in BR6.

• Sold Jan 2026£875,000 | 4 Bed House25, Vancouver Close, Orpington, BR6 9XQ25, Vancouver Close, Orpington, BR6 9XQ
• Sold Aug 2025£735,000 | 4 Bed House30, Warnford Road, Orpington, BR6 6LW30, Warnford Road, Orpington, BR6 6LW
• Sold Jul 2025£925,000 | 4 Bed House2, Cloonmore Avenue, Orpington, BR6 9LF2, Cloonmore Avenue, Orpington, BR6 9LF
• Sold Jul 2025£781,000 | 4 Bed House25, Warren Road, Orpington, BR6 6JF25, Warren Road, Orpington, BR6 6JF
• Sold Jun 2025£818,000 | 5 Bed House23, Oakleigh Gardens, Orpington, BR6 9PL23, Oakleigh Gardens, Orpington, BR6 9PL
• Sold Apr 2025£812,500 | 4 Bed House21, Green Farm Close, Orpington, BR6 6DJ21, Green Farm Close, Orpington, BR6 6DJ
• Sold Aug 2024£742,000 | 5 Bed House101, Northlands Avenue, Orpington, BR6 9LU101, Northlands Avenue, Orpington, BR6 9LU
• Sold Jun 2024£790,000 | 4 Bed House10, Briarswood Way, Orpington, BR6 6LU10, Briarswood Way, Orpington, BR6 6LU
• Sold Jun 2024£795,000 | 4 Bed House24, Trenear Close, Orpington, BR6 9XT24, Trenear Close, Orpington, BR6 9XT
• Sold Dec 2022£835,000 | 4 Bed House37, Warren Road, Orpington, BR6 6JF37, Warren Road, Orpington, BR6 6JF
• Sold Feb 2022£822,500 | 4 Bed House8, Warnford Road, Orpington, BR6 6LW8, Warnford Road, Orpington, BR6 6LW
• Sold Jan 2022£895,000 | 4 Bed House31, Vancouver Close, Orpington, BR6 9XQ31, Vancouver Close, Orpington, BR6 9XQ
• Sold Jun 2019£630,000 | 5 Bed House22, Gleeson Drive, Orpington, BR6 9LJ22, Gleeson Drive, Orpington, BR6 9LJ
• Sold May 2019£675,000 | 4 Bed House2, Gleeson Drive, Orpington, BR6 9LJ2, Gleeson Drive, Orpington, BR6 9LJ
• Sold Dec 2018£420,000 | 4 Bed House83, Cloonmore Avenue, Orpington, BR6 9LG83, Cloonmore Avenue, Orpington, BR6 9LG
• Sold Jul 2018£750,000 | 4 Bed House17, Warren Road, Orpington, BR6 6JF17, Warren Road, Orpington, BR6 6JF
• Sold Jul 2018£660,000 | 4 Bed House12, Oakleigh Gardens, Orpington, BR6 9PL12, Oakleigh Gardens, Orpington, BR6 9PL
• Sold Apr 2016£525,100 | 4 Bed House63, Cloonmore Avenue, Orpington, BR6 9LG63, Cloonmore Avenue, Orpington, BR6 9LG
• Sold Dec 2015£620,000 | 4 Bed House90, Repton Road, Orpington, BR6 9HU90, Repton Road, Orpington, BR6 9HU
• Sold Jun 2014£470,150 | 4 Bed House99, Repton Road, Orpington, BR6 9HT99, Repton Road, Orpington, BR6 9HT

Cloonmore Avenue, Orpington, BR6 has a total of 154 addresses. According to our analysis of all the public data, 18, Cloonmore Avenue, Orpington is the 12th largest and the 6th most expensive property on the street.

When compared to the postcode district it is £179k more expensive than the average property in BR6.

• Warren Road Primary School

  200 m away
• Holy Innocents Catholic Primary School

  500 m away
• Green Street Green Primary School

  1.0 km away

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

  900 m away
• Newstead Wood School

  1.5 km away
• Darrick Wood School

  2.0 km away

• Chelsfield

  |

  1.3 km away
• Orpington

  |

  1.4 km away
• Knockholt

  |

  3.2 km away

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