18, Harrow Gardens, Orpington occupies a 466 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 15th largest.

18, Harrow Gardens, Orpington has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 25 Mar 2020.

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

Land Registry records and our Estate Agent network show 104 sales of comparable properties within 630 metres of 18, Harrow Gardens, Orpington since 2011.

Most recently, 31, Holywell Close, Orpington, BR6 9XP, a freehold house, sold at £850,000 on the 20th February 2026.

Read more about house prices in BR6.

• Sold Feb 2026£850,000 | 3 Bed House31, Holywell Close, Orpington, BR6 9XP31, Holywell Close, Orpington, BR6 9XP
• Sold Oct 2025£738,000 | 4 Bed House8, Abingdon Way, Orpington, BR6 9WA8, Abingdon Way, Orpington, BR6 9WA
• Sold Sep 2025£780,000 | 4 Bed House11, Vancouver Close, Orpington, BR6 9XQ11, Vancouver Close, Orpington, BR6 9XQ
• Sold Jul 2025£730,000 | 4 Bed House9, Goldfinch Close, Orpington, BR6 6NF9, Goldfinch Close, Orpington, BR6 6NF
• Sold Oct 2024£800,000 | 3 Bed House6, Harrow Gardens, Orpington, BR6 9WD6, Harrow Gardens, Orpington, BR6 9WD
• Sold Aug 2024£850,000 | 4 Bed House1, Holywell Close, Orpington, BR6 9XP1, Holywell Close, Orpington, BR6 9XP
• Sold Oct 2023£870,000 | 4 Bed House26, Holywell Close, Orpington, BR6 9XP26, Holywell Close, Orpington, BR6 9XP
• Sold Apr 2023£835,000 | 4 Bed House6, Holywell Close, Orpington, BR6 9XP6, Holywell Close, Orpington, BR6 9XP
• Sold Mar 2023£762,000 | 4 Bed House29, Holywell Close, Orpington, BR6 9XP29, Holywell Close, Orpington, BR6 9XP
• Sold Jan 2023£750,000 | 4 Bed House28, Holywell Close, Orpington, BR6 9XP28, Holywell Close, Orpington, BR6 9XP
• Sold Nov 2022£900,000 | 4 Bed House3, Penhale Close, Orpington, BR6 9XS3, Penhale Close, Orpington, BR6 9XS
• Sold Sep 2022£750,000 | 4 Bed House12, Holywell Close, Orpington, BR6 9XP12, Holywell Close, Orpington, BR6 9XP
• Sold Jun 2021£710,000 | 4 Bed House8, Holywell Close, Orpington, BR6 9XP8, Holywell Close, Orpington, BR6 9XP
• Sold Mar 2021£710,000 | 3 Bed House7, Holywell Close, Orpington, BR6 9XP7, Holywell Close, Orpington, BR6 9XP
• Sold Jan 2021£750,000 | 4 Bed House29, Magdalen Grove, Orpington, BR6 9WE29, Magdalen Grove, Orpington, BR6 9WE
• Sold Oct 2020£675,000 | 4 Bed House5, Holywell Close, Orpington, BR6 9XP5, Holywell Close, Orpington, BR6 9XP
• Sold Feb 2015£545,000 | 4 Bed House24, Harrow Gardens, Orpington, BR6 9WD24, Harrow Gardens, Orpington, BR6 9WD
• Sold Jan 2015£620,000 | 4 Bed House11, Harrow Gardens, Orpington, BR6 9WD11, Harrow Gardens, Orpington, BR6 9WD
• Sold Jul 2013£470,000 | 4 Bed House12, Magdalen Grove, Orpington, BR6 9WE12, Magdalen Grove, Orpington, BR6 9WE
• Sold Jun 2011£375,000 | 4 Bed House17, Magdalen Grove, Orpington, BR6 9WE17, Magdalen Grove, Orpington, BR6 9WE

Our analysis of the public data ranks 18, Harrow Gardens, Orpington as the 11th largest and the 11th most expensive of the 25 addresses on Harrow Gardens, Orpington, BR6.

Against the BR6 postcode district average, it is £194k 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.