21, Broom Avenue, Orpington occupies a 325 m² plot as recorded by HM Land Registry.

Of the 20 other houses in this postcode, 19 have recorded plot sizes, and this one ranks as the largest.

21, Broom Avenue, Orpington has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 26 Jan 2024.

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

21, Broom Avenue, Orpington last changed hands on 3rd April 1998, selling for £87,995. The transaction was logged as a freehold house by HM Land Registry.

That is its only recorded sale since 1995.

• Sold Apr 1998£87,995

Land Registry records and our Estate Agent network show 266 sales of comparable properties within 540 metres of 21, Broom Avenue, Orpington since 2016.

Most recently, 10, Whippendell Way, Orpington, BR5 3DF, a freehold house, sold at £413,000 on the 22nd May 2026.

Read more about house prices in BR5.

• Sold May 2026£413,000 | 3 Bed House10, Whippendell Way, Orpington, BR5 3DF10, Whippendell Way, Orpington, BR5 3DF
• Sold Apr 2026£385,000 | 3 Bed House19, Broom Avenue, Orpington, BR5 3BS19, Broom Avenue, Orpington, BR5 3BS
• Sold Jan 2026£445,000 | 3 Bed House22, Whippendell Way, Orpington, BR5 3DF22, Whippendell Way, Orpington, BR5 3DF
• Sold Dec 2025£400,000 | 3 Bed House45, Longbury Drive, Orpington, BR5 2JT45, Longbury Drive, Orpington, BR5 2JT
• Sold Nov 2025£415,000 | 3 Bed House11, Tilbury Close, Orpington, BR5 2JR11, Tilbury Close, Orpington, BR5 2JR
• Sold Sep 2025£365,000 | 3 Bed House24, Cotmandene Crescent, Orpington, BR5 2RE24, Cotmandene Crescent, Orpington, BR5 2RE
• Sold Sep 2025£359,000 | 3 Bed House46, Longbury Drive, Orpington, BR5 2JT46, Longbury Drive, Orpington, BR5 2JT
• Sold Jun 2025£400,000 | 3 Bed House3, Whippendell Way, Orpington, BR5 3BY3, Whippendell Way, Orpington, BR5 3BY
• Sold Apr 2025£465,000 | 3 Bed House8, Palewell Close, Orpington, BR5 3BX8, Palewell Close, Orpington, BR5 3BX
• Sold Mar 2025£387,000 | 3 Bed House26, Broom Avenue, Orpington, BR5 3BT26, Broom Avenue, Orpington, BR5 3BT
• Sold Feb 2025£385,000 | 3 Bed House90, Walsingham Road, Orpington, BR5 3BN90, Walsingham Road, Orpington, BR5 3BN
• Sold Nov 2024£410,000 | 3 Bed House4, Broom Avenue, Orpington, BR5 3BS4, Broom Avenue, Orpington, BR5 3BS
• Sold Jun 2024£403,000 | 3 Bed House3, Tilbury Close, Orpington, BR5 2JR3, Tilbury Close, Orpington, BR5 2JR
• Sold Oct 2023£535,000 | 3 Bed House65, Walsingham Road, Orpington, BR5 3BN65, Walsingham Road, Orpington, BR5 3BN
• Sold Apr 2022£351,000 | 3 Bed House10, Palewell Close, Orpington, BR5 3BX10, Palewell Close, Orpington, BR5 3BX
• Sold Jun 2021£400,000 | 3 Bed House2A, Dawson Avenue, Orpington, BR5 3AZ2A, Dawson Avenue, Orpington, BR5 3AZ
• Sold Nov 2020£330,000 | 3 Bed House16, Whippendell Way, Orpington, BR5 3DF16, Whippendell Way, Orpington, BR5 3DF
• Sold Jan 2020£315,000 | 3 Bed House4, Tilbury Close, Orpington, BR5 2JR4, Tilbury Close, Orpington, BR5 2JR
• Sold Oct 2019£375,000 | 3 Bed House53, Broomwood Road, Orpington, BR5 2JJ53, Broomwood Road, Orpington, BR5 2JJ
• Sold Mar 2016£330,000 | 3 Bed House45, Broomwood Road, Orpington, BR5 2JJ45, Broomwood Road, Orpington, BR5 2JJ

Our analysis of the public data ranks 21, Broom Avenue, Orpington as the 24th largest and the 17th most expensive of the 66 addresses on Broom Avenue, Orpington, BR5.

Against the BR5 postcode district average, it is £68k less expensive than the typical property.

• Gray's Farm Primary Academy

  400 m away
• Leesons Primary School

  600 m away
• Midfield Primary School

  900 m away

• Kemnal Technology College

  900 m away
• Chislehurst School for Girls

  2.2 km away
• Orion Coopers

  2.5 km away

• St Mary Cray

  |

  1.0 km away
• Petts Wood

  |

  3.0 km away
• Sidcup

  |

  3.4 km away

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