21A, Commonside, Keston occupies a 776 m² plot as recorded by HM Land Registry.

Of the 27 other houses in this postcode, 25 have recorded plot sizes, and this one ranks as the 9th largest.

21A, Commonside, Keston has an Energy Performance Rating (EPC) of B. This is based on the most recent assessment, dated 21 May 2021.

The property is not connected to mains gas and has high performance glazing. It is heated using a boiler& underfloor (mains gas).

Land Registry records and our Estate Agent network show 44 sales of comparable properties within 1.4 kilometres of 21A, Commonside, Keston since 2008.

Most recently, Quietways, Keston Avenue, Keston, BR2 6BH, a freehold house, sold at £980,000 on the 5th November 2025.

Read more about house prices in BR2.

• Sold Nov 2025£980,000 | 5 Bed HouseQuietways, Keston Avenue, Keston, BR2 6BHQuietways, Keston Avenue, Keston, BR2 6BH
• Sold Jul 2025£1,100,000 | 5 Bed House7, Colliers Shaw, Keston, BR2 6JA7, Colliers Shaw, Keston, BR2 6JA
• Sold May 2025£1,437,500 | 5 Bed House8, Beechwood Drive, Keston, BR2 6HN8, Beechwood Drive, Keston, BR2 6HN
• Sold Apr 2023£1,575,000 | 5 Bed House10, Beechwood Drive, Keston, BR2 6HN10, Beechwood Drive, Keston, BR2 6HN
• Sold Aug 2022£1,800,000 | 5 Bed HouseWalnut Tree House, Jackass Lane, Keston, BR2 6ANWalnut Tree House, Jackass Lane, Keston, BR2 6AN
• Sold Mar 2022£1,800,000 | 5 Bed House1, The Dale, Keston, BR2 6HW1, The Dale, Keston, BR2 6HW
• Sold Nov 2021£1,110,000 | 5 Bed HouseCastra Kestonis, Fox Lane, Keston, BR2 6ALCastra Kestonis, Fox Lane, Keston, BR2 6AL
• Sold Sep 2021£985,000 | 5 Bed House67, Heathfield Road, Keston, BR2 6BB67, Heathfield Road, Keston, BR2 6BB
• Sold Jun 2021£1,250,000 | 5 Bed House49, Lakes Road, Keston, BR2 6BN49, Lakes Road, Keston, BR2 6BN
• Sold Dec 2020£1,040,000 | 5 Bed House23, Fox Lane, Keston, BR2 6AL23, Fox Lane, Keston, BR2 6AL
• Sold Sep 2017£900,000 | 5 Bed House1C, Greys Park Close, Keston, BR2 6BD1C, Greys Park Close, Keston, BR2 6BD
• Sold Jan 2017£985,000 | 5 Bed House28, The Dale, Keston, BR2 6HW28, The Dale, Keston, BR2 6HW
• Sold Sep 2016£1,212,500 | 5 Bed House9, The Dale, Keston, BR2 6HW9, The Dale, Keston, BR2 6HW
• Sold Sep 2015£920,000 | 5 Bed House5, Heritage Hill, Keston, BR2 6AU5, Heritage Hill, Keston, BR2 6AU
• Sold Jul 2015£1,080,000 | 5 Bed HouseKent House, Keston Avenue, Keston, BR2 6BHKent House, Keston Avenue, Keston, BR2 6BH
• Sold Apr 2015£925,000 | 5 Bed House12, Greys Park Close, Keston, BR2 6BD12, Greys Park Close, Keston, BR2 6BD
• Sold Nov 2011£875,000 | 5 Bed House11, Greys Park Close, Keston, BR2 6BD11, Greys Park Close, Keston, BR2 6BD
• Sold Mar 2011£615,000 | 5 Bed House7, Poulters Wood, Keston, BR2 6JD7, Poulters Wood, Keston, BR2 6JD
• Sold Jun 2010£850,000 | 5 Bed House6, Keston Avenue, Keston, BR2 6BH6, Keston Avenue, Keston, BR2 6BH
• Sold Mar 2008£689,950 | 5 Bed House27A, Fox Lane, Keston, BR2 6AL27A, Fox Lane, Keston, BR2 6AL

Our analysis of the public data ranks 21A, Commonside, Keston as the 8th largest and the 10th most expensive of the 30 addresses on Commonside, Keston, BR2.

Against the BR2 postcode district average, it is £658k more expensive than the typical property.

• Keston Church of England Primary School

  400 m away
• Wickham Common Primary School

  1.2 km away
• Hayes Primary School

  1.7 km away

• Ravens Wood School

  800 m away
• Hayes School

  1.3 km away
• Bishop Justus CofE School

  2.2 km away

• Hayes (Kent)

  |

  1.9 km away
• West Wickham

  |

  3.6 km away
• Bromley South

  |

  4.1 km away

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