21, Oak Tree Dell has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 15 Feb 2011.

The property is connected to mains gas and has partial double glazing. It is heated using a boiler and radiators (mains gas).

21, Oak Tree Dell last changed hands on 20th May 2011, selling for £176,000. The transaction was logged as a leasehold flat by HM Land Registry.

In total it has sold 3 times since 1995.

The market for similar properties has risen by 37.4% since May 2011.

• Sold May 2011£176,000
• Sold Mar 2002£112,500
• Sold Aug 1997£50,000

Land Registry records and our Estate Agent network show 40 sales of comparable properties within 480 metres of 21, Oak Tree Dell since 2010.

Most recently, 26, Hillside, London, NW9 0NE, a leasehold flat, sold at £275,500 on the 27th February 2026.

Read more about house prices in NW9.

• Sold Feb 2026£275,500 | 1 Bed Flat26, Hillside, London, NW9 0NE26, Hillside, London, NW9 0NE
• Sold Nov 2025£275,000 | 2 Bed FlatFlat 3, Stonegate Court, Buck Lane, London, NW9 0ALFlat 3, Stonegate Court, Buck Lane, London, NW9 0AL
• Sold Nov 2025£295,000 | 1 Bed Flat5, Oak Tree Dell, London, NW9 0AB5, Oak Tree Dell, London, NW9 0AB
• Sold Feb 2024£265,000 | 1 Bed Flat29, Pipers Green, London, NW9 8UH29, Pipers Green, London, NW9 8UH
• Sold Mar 2023£300,000 | 1 Bed Flat2A, Oak Tree Dell, London, NW9 0AB2A, Oak Tree Dell, London, NW9 0AB
• Sold Dec 2022£260,000 | 1 Bed Flat17A, Oak Tree Dell, London, NW9 0AB17A, Oak Tree Dell, London, NW9 0AB
• Sold Jun 2021£340,000 | 1 Bed Flat446, Church Lane, London, NW9 8AB446, Church Lane, London, NW9 8AB
• Sold Apr 2021£265,000 | 1 Bed Flat11, Oak Tree Dell, London, NW9 0AB11, Oak Tree Dell, London, NW9 0AB
• Sold Nov 2020£327,250 | 1 Bed Flat16, Oak Tree Dell, London, NW9 0AB16, Oak Tree Dell, London, NW9 0AB
• Sold Aug 2018£240,000 | 1 Bed Flat27A, Oak Tree Dell, London, NW9 0AB27A, Oak Tree Dell, London, NW9 0AB
• Sold Apr 2017£250,000 | 1 Bed Flat1A, Oak Tree Dell, London, NW9 0AB1A, Oak Tree Dell, London, NW9 0AB
• Sold Nov 2016£253,000 | 1 Bed Flat3, Oak Tree Dell, London, NW9 0AB3, Oak Tree Dell, London, NW9 0AB
• Sold Sep 2016£32,000 | 1 Bed Flat108, Buck Lane, London, NW9 0XL108, Buck Lane, London, NW9 0XL
• Sold May 2016£52,000 | 1 Bed Flat40, Hillside, London, NW9 0NE40, Hillside, London, NW9 0NE
• Sold Mar 2016£218,000 | 1 Bed Flat3A, Oak Tree Dell, London, NW9 0AB3A, Oak Tree Dell, London, NW9 0AB
• Sold Apr 2015£188,000 | 1 Bed FlatFlat 2, 23, Ash Tree Dell, London, NW9 0AGFlat 2, 23, Ash Tree Dell, London, NW9 0AG
• Sold Dec 2014£209,950 | 1 Bed Flat15A, Oak Tree Dell, London, NW9 0AB15A, Oak Tree Dell, London, NW9 0AB
• Sold Dec 2013£239,950 | 1 Bed Flat10A, Oak Tree Dell, London, NW9 0AB10A, Oak Tree Dell, London, NW9 0AB
• Sold Sep 2013£180,000 | 1 Bed Flat17, Oak Tree Dell, London, NW9 0AB17, Oak Tree Dell, London, NW9 0AB
• Sold Dec 2010£152,500 | 1 Bed Flat4A, Oak Tree Dell, London, NW9 0AB4A, Oak Tree Dell, London, NW9 0AB

Our analysis of the public data ranks 21, Oak Tree Dell as the 51st largest and the 34th most expensive of the 62 addresses on Oak Tree Dell, London, NW9.

Against the NW9 postcode district average, it is £163k less expensive than the typical property.

• Oliver Goldsmith Primary School

  300 m away
• St Robert Southwell Catholic Primary School

  500 m away
• Kingsbury Green Primary School

  600 m away

• Kingsbury High School

  1.1 km away
• JFS

  1.4 km away
• Saracens High School

  2.1 km away

• Kingsbury

  |

  1.2 km away
• Colindale

  |

  1.5 km away
• Hendon

  |

  1.7 km away

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