20, Harrow Gardens, Orpington occupies a 680 m² plot as recorded by HM Land Registry.

All 25 other houses in this postcode have recorded plot sizes, and this one ranks as the 3rd largest.

20, Harrow Gardens, Orpington last changed hands on 30th June 2007, selling for £560,000. 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 102.6% since June 2007.

Land Registry records and our Estate Agent network show 66 sales of comparable properties within 630 metres of 20, Harrow Gardens, Orpington since 2014.

Most recently, 4, Penhale Close, Orpington, BR6 9XS, a freehold house, sold at £1,051,510 on the 26th September 2025.

Read more about house prices in BR6.

• Sold Sep 2025£1,051,510 | 5 Bed House4, Penhale Close, Orpington, BR6 9XS4, Penhale Close, Orpington, BR6 9XS
• Sold May 2025£910,000 | 4 Bed House23, Roedean Close, Orpington, BR6 9WB23, Roedean Close, Orpington, BR6 9WB
• Sold Aug 2024£850,000 | 4 Bed House1, Holywell Close, Orpington, BR6 9XP1, Holywell Close, Orpington, BR6 9XP
• Sold Jan 2024£920,000 | 4 Bed House18, Abingdon Way, Orpington, BR6 9WA18, Abingdon Way, Orpington, BR6 9WA
• Sold Aug 2023£938,000 | 4 Bed House26, Magdalen Grove, Orpington, BR6 9WE26, Magdalen Grove, Orpington, BR6 9WE
• Sold Jan 2023£950,000 | 4 Bed House16, Harrow Gardens, Orpington, BR6 9WD16, Harrow Gardens, Orpington, BR6 9WD
• Sold Dec 2022£975,000 | 4 Bed House1, Harrow Gardens, Orpington, BR6 9WD1, Harrow Gardens, Orpington, BR6 9WD
• Sold Nov 2022£900,000 | 4 Bed House3, Penhale Close, Orpington, BR6 9XS3, Penhale Close, Orpington, BR6 9XS
• Sold Apr 2022£860,000 | 4 Bed House42, Holywell Close, Orpington, BR6 9XP42, Holywell Close, Orpington, BR6 9XP
• Sold Dec 2021£802,500 | 5 Bed House18, Penhale Close, Orpington, BR6 9XS18, Penhale Close, Orpington, BR6 9XS
• Sold Apr 2021£770,000 | 4 Bed House2, Magdalen Grove, Orpington, BR6 9WE2, Magdalen Grove, Orpington, BR6 9WE
• Sold May 2020£750,000 | 5 Bed House28, Magdalen Grove, Orpington, BR6 9WE28, Magdalen Grove, Orpington, BR6 9WE
• Sold Nov 2019£750,000 | 4 Bed House13, Abingdon Way, Orpington, BR6 9WA13, Abingdon Way, Orpington, BR6 9WA
• Sold Sep 2018£660,000 | 4 Bed House24, Holywell Close, Orpington, BR6 9XP24, Holywell Close, Orpington, BR6 9XP
• Sold Oct 2017£780,000 | 5 Bed House14, Harrow Gardens, Orpington, BR6 9WD14, Harrow Gardens, Orpington, BR6 9WD
• Sold Sep 2017£629,000 | 4 Bed House1, Magdalen Grove, Orpington, BR6 9WE1, Magdalen Grove, Orpington, BR6 9WE
• Sold Jun 2017£800,000 | 4 Bed House30, Magdalen Grove, Orpington, BR6 9WE30, Magdalen Grove, Orpington, BR6 9WE
• Sold Oct 2015£675,000 | 4 Bed House7, Abingdon Way, Orpington, BR6 9WA7, Abingdon Way, Orpington, BR6 9WA
• Sold May 2015£710,000 | 4 Bed House10, Abingdon Way, Orpington, BR6 9WA10, Abingdon Way, Orpington, BR6 9WA
• Sold Jan 2014£545,000 | 4 Bed House14, Abingdon Way, Orpington, BR6 9WA14, Abingdon Way, Orpington, BR6 9WA

Our analysis of the public data ranks 20, Harrow Gardens, Orpington as the 5th largest and the 5th most expensive of the 25 addresses on Harrow Gardens, Orpington, BR6.

Against the BR6 postcode district average, it is £315k more expensive than the typical property.

• The Highway Primary School

  400 m away
• Warren Road Primary School

  1.0 km away
• Holy Innocents Catholic Primary School

  1.1 km away

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

  500 m away
• Harris Academy Orpington

  1.6 km away
• Newstead Wood School

  2.3 km away

• Chelsfield

  |

  700 m away
• Orpington

  |

  1.7 km away
• Knockholt

  |

  2.5 km away

Environment Agency data suggests this area has a Very Low risk of flooding.