According to data from HM Land Registry, 5, Koonowla Close, Westerham sits on a plot of 392 m².

We have plot size data on 16 out of 17 other houses in the postcode and 5, Koonowla Close, Westerham sits on the 7th largest plot.

5, Koonowla Close, Westerham has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 05 Jun 2023.

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, 5, Koonowla Close, Westerham was last sold on 7th June 2024 for £530,000 and was recorded as a freehold house.

The property has had 2 sales since 1995.

Since June 2024, the market for similar properties has dropped by 0.1%.

• Sold Jun 2024£530,000
• Sold Nov 2007£330,000

According to the Land Registry and our network of Estate Agents, there have been 208 sales of properties similar to 5, Koonowla Close, Westerham within a radius of 920 metres since 2015.

The most recent example is 9, Melrose Road, Westerham, TN16 3DA, a freehold house which sold for £475,000 on the 19th December 2025.

Read more about house prices in TN16.

• Sold Dec 2025£475,000 | 3 Bed House9, Melrose Road, Westerham, TN16 3DA9, Melrose Road, Westerham, TN16 3DA
• Sold Oct 2025£291,000 | 4 Bed House10, Lunar Close, Westerham, TN16 3DY10, Lunar Close, Westerham, TN16 3DY
• Sold Sep 2025£495,000 | 3 Bed House9, Keymer Close, Westerham, TN16 3DF9, Keymer Close, Westerham, TN16 3DF
• Sold Jul 2025£500,000 | 3 Bed House27, Magnolia Drive, Westerham, TN16 3SN27, Magnolia Drive, Westerham, TN16 3SN
• Sold Mar 2025£465,000 | 3 Bed HouseLangenfeld, Hillcrest Road, Westerham, TN16 3UALangenfeld, Hillcrest Road, Westerham, TN16 3UA
• Sold Dec 2024£575,000 | 3 Bed House10, Arthur Road, Westerham, TN16 3DD10, Arthur Road, Westerham, TN16 3DD
• Sold Aug 2024£540,000 | 4 Bed House30, Arthur Road, Westerham, TN16 3DD30, Arthur Road, Westerham, TN16 3DD
• Sold Jun 2024£550,000 | 4 Bed HouseDrumossie, Arthur Road, Westerham, TN16 3DDDrumossie, Arthur Road, Westerham, TN16 3DD
• Sold Oct 2023£465,000 | 4 Bed House35A, Sunningvale Avenue, Westerham, TN16 3BX35A, Sunningvale Avenue, Westerham, TN16 3BX
• Sold Nov 2022£515,000 | 3 Bed House38, Magnolia Drive, Westerham, TN16 3SJ38, Magnolia Drive, Westerham, TN16 3SJ
• Sold Apr 2022£495,000 | 4 Bed House11, Keymer Close, Westerham, TN16 3DF11, Keymer Close, Westerham, TN16 3DF
• Sold Mar 2022£540,000 | 4 Bed House6, Hillcrest Road, Westerham, TN16 3TY6, Hillcrest Road, Westerham, TN16 3TY
• Sold Apr 2021£475,000 | 4 Bed House6, Sunningvale Close, Westerham, TN16 3BS6, Sunningvale Close, Westerham, TN16 3BS
• Sold Jan 2021£425,000 | 4 Bed House58, Victoria Gardens, Westerham, TN16 3DL58, Victoria Gardens, Westerham, TN16 3DL
• Sold Dec 2020£420,000 | 4 Bed House12, Hillcrest Road, Westerham, TN16 3TY12, Hillcrest Road, Westerham, TN16 3TY
• Sold Jun 2020£485,000 | 4 Bed House33, Dowding Road, Westerham, TN16 3BG33, Dowding Road, Westerham, TN16 3BG
• Sold Aug 2019£450,000 | 3 Bed House42, Jail Lane, Westerham, TN16 3SA42, Jail Lane, Westerham, TN16 3SA
• Sold Dec 2018£395,000 | 4 Bed House93, Magnolia Drive, Westerham, TN16 3SJ93, Magnolia Drive, Westerham, TN16 3SJ
• Sold Feb 2016£440,000 | 4 Bed House14, Dowding Road, Westerham, TN16 3BG14, Dowding Road, Westerham, TN16 3BG
• Sold Jan 2015£400,000 | 4 Bed House23, Jail Lane, Westerham, TN16 3SA23, Jail Lane, Westerham, TN16 3SA

Koonowla Close, Biggin Hill, Westerham, TN16 has a total of 17 addresses. According to our analysis of all the public data, 5, Koonowla Close, Westerham is the 17th largest and the 17th most expensive property on the street.

When compared to the postcode district it is £20k less expensive than the average property in TN16.

• Biggin Hill Primary School

  600 m away
• Oaklands Primary Academy

  700 m away
• Cudham Church of England Primary School

  1.5 km away

• Charles Darwin School

  800 m away
• Meridian High School

  3.0 km away
• Darrick Wood School

  5.6 km away

• Hayes (Kent)

  |

  6.6 km away
• Chelsfield

  |

  6.7 km away
• Woldingham

  |

  6.8 km away

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