Flat 6, Quarrion House 14 has an Energy Performance Rating (EPC) of B. This is based on the most recent assessment, dated 28 Feb 2019.

The property is not connected to mains gas and has high performance glazing. It is heated using community scheme.

Flat 6, Quarrion House 14 last changed hands on 31st January 2022, selling for £641,000. The transaction was logged as a leasehold flat by HM Land Registry.

In total it has sold twice since 1995.

The market for similar properties has dropped by 19.7% since January 2022.

• Sold Jan 2022£641,000
• Sold Jun 2019£600,000

Land Registry records and our Estate Agent network show 173 sales of comparable properties within 330 metres of Flat 6, Quarrion House 14 since 2018.

Most recently, Flat 13, Poplar House 8, Thonrey Close, London, NW9 4DR, a leasehold flat, sold at £680,000 on the 31st October 2025.

Read more about house prices in NW9.

• Sold Oct 2025£680,000 | 3 Bed FlatFlat 13, Poplar House 8, Thonrey Close, London, NW9 4DRFlat 13, Poplar House 8, Thonrey Close, London, NW9 4DR
• Sold Jun 2025£680,000 | 3 Bed FlatFlat 14, Poplar House 8, Thonrey Close, London, NW9 4DRFlat 14, Poplar House 8, Thonrey Close, London, NW9 4DR
• Sold Apr 2025£617,000 | 3 Bed FlatFlat 4, Jasmin House 51, Lismore Boulevard, London, NW9 4ENFlat 4, Jasmin House 51, Lismore Boulevard, London, NW9 4EN
• Sold Aug 2024£645,000 | 3 Bed FlatFlat 5, Pandorea House 35, Lismore Boulevard, London, NW9 4DLFlat 5, Pandorea House 35, Lismore Boulevard, London, NW9 4DL
• Sold Apr 2024£695,000 | 3 Bed FlatFlat 29, Pandorea House 35, Lismore Boulevard, London, NW9 4DLFlat 29, Pandorea House 35, Lismore Boulevard, London, NW9 4DL
• Sold Feb 2023£675,000 | 3 Bed FlatFlat 11, Pandorea House 35, Lismore Boulevard, London, NW9 4DLFlat 11, Pandorea House 35, Lismore Boulevard, London, NW9 4DL
• Sold Apr 2022£700,000 | 3 Bed FlatFlat 23, Poplar House 8, Thonrey Close, London, NW9 4DRFlat 23, Poplar House 8, Thonrey Close, London, NW9 4DR
• Sold Mar 2020£579,000 | 3 Bed FlatFlat 12, Maple House 45, Lismore Boulevard, London, NW9 4EGFlat 12, Maple House 45, Lismore Boulevard, London, NW9 4EG
• Sold Feb 2020£600,000 | 3 Bed FlatFlat 4, Maple House 45, Lismore Boulevard, London, NW9 4EGFlat 4, Maple House 45, Lismore Boulevard, London, NW9 4EG
• Sold May 2019£625,000 | 3 Bed FlatFlat 22, Poplar House 8, Thonrey Close, London, NW9 4DRFlat 22, Poplar House 8, Thonrey Close, London, NW9 4DR
• Sold May 2019£570,000 | 3 Bed FlatFlat 10, Poplar House 8, Thonrey Close, London, NW9 4DRFlat 10, Poplar House 8, Thonrey Close, London, NW9 4DR
• Sold Apr 2019£572,300 | 3 Bed FlatFlat 4, Poplar House 8, Thonrey Close, London, NW9 4DRFlat 4, Poplar House 8, Thonrey Close, London, NW9 4DR
• Sold Feb 2019£658,000 | 3 Bed FlatFlat 17, Poplar House 8, Thonrey Close, London, NW9 4DRFlat 17, Poplar House 8, Thonrey Close, London, NW9 4DR
• Sold Feb 2019£589,000 | 3 Bed FlatFlat 19, Poplar House 8, Thonrey Close, London, NW9 4DRFlat 19, Poplar House 8, Thonrey Close, London, NW9 4DR
• Sold Feb 2019£675,000 | 3 Bed FlatFlat 8, Poplar House 8, Thonrey Close, London, NW9 4DRFlat 8, Poplar House 8, Thonrey Close, London, NW9 4DR
• Sold Feb 2019£665,000 | 3 Bed FlatFlat 20, Poplar House 8, Thonrey Close, London, NW9 4DRFlat 20, Poplar House 8, Thonrey Close, London, NW9 4DR
• Sold Feb 2019£595,000 | 3 Bed FlatFlat 23, Pandorea House 35, Lismore Boulevard, London, NW9 4DLFlat 23, Pandorea House 35, Lismore Boulevard, London, NW9 4DL
• Sold Feb 2019£680,000 | 3 Bed FlatFlat 11, Poplar House 8, Thonrey Close, London, NW9 4DRFlat 11, Poplar House 8, Thonrey Close, London, NW9 4DR
• Sold Jan 2019£638,000 | 3 Bed FlatFlat 5, Poplar House 8, Thonrey Close, London, NW9 4DRFlat 5, Poplar House 8, Thonrey Close, London, NW9 4DR
• Sold Dec 2018£600,000 | 3 Bed FlatFlat 17, Pandorea House 35, Lismore Boulevard, London, NW9 4DLFlat 17, Pandorea House 35, Lismore Boulevard, London, NW9 4DL

Our analysis of the public data ranks Flat 6, Quarrion House 14 as the 35th largest and the 37th most expensive of the 195 addresses on Thonrey Close, London, NW9.

Against the NW9 postcode district average, it is £117k more expensive than the typical property.

• Colindale Primary School

  500 m away
• Sunnyfields Primary School

  800 m away
• Blessed Dominic Catholic Primary School

  900 m away

• Saracens High School

  900 m away
• St James' Catholic High School

  900 m away
• Hasmonean High School for Girls

  1.4 km away

• Colindale

  |

  500 m away
• Hendon

  |

  1.4 km away
• Hendon Central

  |

  1.6 km away

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