4, St. Leonards Avenue, Harrow occupies a 400 m² plot as recorded by HM Land Registry.

4, St. Leonards Avenue, Harrow has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 02 May 2019.

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

4, St. Leonards Avenue, Harrow last changed hands on 7th January 2004, selling for £267,000. The transaction was logged as a freehold house by HM Land Registry.

That is its only recorded sale since 1995.

• Sold Jan 2004£267,000

Land Registry records and our Estate Agent network show 155 sales of comparable properties within 560 metres of 4, St. Leonards Avenue, Harrow since 2013.

Most recently, 28, Brampton Grove, Harrow, HA3 8LG, a freehold house, sold at £600,000 on the 13th February 2026.

Read more about house prices in HA3.

• Sold Feb 2026£600,000 | 4 Bed House28, Brampton Grove, Harrow, HA3 8LG28, Brampton Grove, Harrow, HA3 8LG
• Sold Jan 2026£603,000 | 4 Bed House10, Brampton Grove, Harrow, HA3 8LG10, Brampton Grove, Harrow, HA3 8LG
• Sold Jul 2025£675,000 | 4 Bed House33, Alicia Gardens, Harrow, HA3 8JB33, Alicia Gardens, Harrow, HA3 8JB
• Sold Oct 2024£585,000 | 4 Bed House15, Alicia Close, Harrow, HA3 8HP15, Alicia Close, Harrow, HA3 8HP
• Sold May 2024£630,000 | 4 Bed House1B, Brampton Grove, Harrow, HA3 8LD1B, Brampton Grove, Harrow, HA3 8LD
• Sold Apr 2024£625,000 | 4 Bed House54, Carlton Avenue, Harrow, HA3 8AY54, Carlton Avenue, Harrow, HA3 8AY
• Sold Feb 2024£690,000 | 4 Bed House20, Kenton Gardens, Harrow, HA3 8DE20, Kenton Gardens, Harrow, HA3 8DE
• Sold Jul 2023£720,000 | 4 Bed House16, Kenton Gardens, Harrow, HA3 8DE16, Kenton Gardens, Harrow, HA3 8DE
• Sold Mar 2023£545,000 | 4 Bed House46, Alicia Avenue, Harrow, HA3 8HS46, Alicia Avenue, Harrow, HA3 8HS
• Sold Mar 2023£375,000 | 4 Bed House11, Alicia Gardens, Harrow, HA3 8JB11, Alicia Gardens, Harrow, HA3 8JB
• Sold Sep 2022£660,000 | 4 Bed House18, Kenton Gardens, Harrow, HA3 8DE18, Kenton Gardens, Harrow, HA3 8DE
• Sold Mar 2022£655,000 | 4 Bed House252, Kenton Road, Harrow, HA3 8BY252, Kenton Road, Harrow, HA3 8BY
• Sold Sep 2021£650,000 | 4 Bed House41, Kenton Gardens, Harrow, HA3 8DE41, Kenton Gardens, Harrow, HA3 8DE
• Sold Mar 2021£585,000 | 3 Bed House23, Sedgecombe Avenue, Harrow, HA3 0HW23, Sedgecombe Avenue, Harrow, HA3 0HW
• Sold Jan 2021£657,000 | 3 Bed House7, Sedgecombe Avenue, Harrow, HA3 0HW7, Sedgecombe Avenue, Harrow, HA3 0HW
• Sold Jan 2020£280,000 | 4 Bed House65, Kenton Gardens, Harrow, HA3 8DE65, Kenton Gardens, Harrow, HA3 8DE
• Sold Dec 2017£710,000 | 4 Bed House23, St. Leonards Avenue, Harrow, HA3 8EJ23, St. Leonards Avenue, Harrow, HA3 8EJ
• Sold Mar 2017£780,000 | 4 Bed House34, Kenton Gardens, Harrow, HA3 8DE34, Kenton Gardens, Harrow, HA3 8DE
• Sold Mar 2016£660,000 | 4 Bed House69, Kenton Gardens, Harrow, HA3 8DE69, Kenton Gardens, Harrow, HA3 8DE
• Sold May 2013£300,000 | 4 Bed House73, Kenton Gardens, Harrow, HA3 8DE73, Kenton Gardens, Harrow, HA3 8DE

Our analysis of the public data ranks 4, St. Leonards Avenue, Harrow as the 11th largest and the 15th most expensive of the 19 addresses on St. Leonards Avenue, Harrow, HA3.

Against the HA3 postcode district average, it is £83k more expensive than the typical property.

• Elmgrove Primary School & Nursery

  900 m away
• Uxendon Manor Primary School

  1.0 km away
• Mount Stewart Infant School

  1.0 km away

• St Gregory's Catholic Science College

  500 m away
• Claremont High School

  1.2 km away
• Harrow High School

  1.3 km away

• Kenton

  |

  600 m away
• Northwick Park

  |

  900 m away
• Harrow & Wealdstone

  |

  1.7 km away

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