36, Northwick Avenue, Harrow occupies a 393 m² plot as recorded by HM Land Registry.

All 33 other houses in this postcode have recorded plot sizes, and this one ranks as the 16th largest.

36, Northwick Avenue, Harrow has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 12 Aug 2024.

The property is connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).

36, Northwick Avenue, Harrow last changed hands on 18th September 2024, selling for £840,000. The transaction was logged as a freehold house by HM Land Registry.

That is its only recorded sale since 1995.

The market for similar properties has dropped by 6.9% since September 2024.

• Sold Sep 2024£840,000

Land Registry records and our Estate Agent network show 46 sales of comparable properties within 580 metres of 36, Northwick Avenue, Harrow since 2010.

Most recently, 3, Flambard Road, Harrow, HA1 2NB, a freehold house, sold at £915,000 on the 2nd April 2026.

Read more about house prices in HA3.

• Sold Apr 2026£915,000 | 5 Bed House3, Flambard Road, Harrow, HA1 2NB3, Flambard Road, Harrow, HA1 2NB
• Sold Jan 2026£800,000 | 4 Bed House19, Northwick Avenue, Harrow, HA3 0AA19, Northwick Avenue, Harrow, HA3 0AA
• Sold Jul 2024£1,000,000 | 5 Bed House20, Manor Road, Harrow, HA1 2PB20, Manor Road, Harrow, HA1 2PB
• Sold Mar 2024£880,000 | 5 Bed House16, Woodway Crescent, Harrow, HA1 2NQ16, Woodway Crescent, Harrow, HA1 2NQ
• Sold Mar 2024£725,000 | 4 Bed House32, Gerard Road, Harrow, HA1 2NE32, Gerard Road, Harrow, HA1 2NE
• Sold Feb 2024£815,000 | 5 Bed House6 Croft Villas, Bonnersfield Lane, Harrow, HA1 2LF6 Croft Villas, Bonnersfield Lane, Harrow, HA1 2LF
• Sold Sep 2023£760,000 | 5 Bed House27, Flambard Road, Harrow, HA1 2NB27, Flambard Road, Harrow, HA1 2NB
• Sold Nov 2022£665,000 | 4 Bed House30, Carlton Avenue, Harrow, HA3 8AY30, Carlton Avenue, Harrow, HA3 8AY
• Sold Sep 2022£875,000 | 4 Bed House7, Hawthorne Avenue, Harrow, HA3 8AG7, Hawthorne Avenue, Harrow, HA3 8AG
• Sold Aug 2021£900,000 | 5 Bed House63, Gayton Road, Harrow, HA1 2LU63, Gayton Road, Harrow, HA1 2LU
• Sold Aug 2021£853,500 | 4 Bed House23, Hawthorne Avenue, Harrow, HA3 8AG23, Hawthorne Avenue, Harrow, HA3 8AG
• Sold Feb 2021£695,000 | 5 Bed House13, Northwick Avenue, Harrow, HA3 0AA13, Northwick Avenue, Harrow, HA3 0AA
• Sold Jan 2021£752,000 | 5 Bed House5, Rushout Avenue, Harrow, HA3 0AS5, Rushout Avenue, Harrow, HA3 0AS
• Sold Oct 2017£780,000 | 5 Bed House61, Gayton Road, Harrow, HA1 2LU61, Gayton Road, Harrow, HA1 2LU
• Sold Sep 2017£620,000 | 4 Bed House33, Hawthorne Avenue, Harrow, HA3 8AG33, Hawthorne Avenue, Harrow, HA3 8AG
• Sold May 2017£790,000 | 4 Bed House20A, Northwick Avenue, Harrow, HA3 0AB20A, Northwick Avenue, Harrow, HA3 0AB
• Sold Jun 2016£658,000 | 4 Bed House46, Woodway Crescent, Harrow, HA1 2NQ46, Woodway Crescent, Harrow, HA1 2NQ
• Sold Oct 2015£770,000 | 5 Bed House45, Kenton Road, Harrow, HA3 0AH45, Kenton Road, Harrow, HA3 0AH
• Sold Sep 2013£456,000 | 5 Bed House8, Northwick Avenue, Harrow, HA3 0AB8, Northwick Avenue, Harrow, HA3 0AB
• Sold Mar 2010£346,000 | 5 Bed House20, Woodway Crescent, Harrow, HA1 2NQ20, Woodway Crescent, Harrow, HA1 2NQ

Our analysis of the public data ranks 36, Northwick Avenue, Harrow as the 21st largest and the 21st most expensive of the 162 addresses on Northwick Avenue, Harrow, HA3.

Against the HA3 postcode district average, it is £275k more expensive than the typical property.

• Saint Jerome Church of England Bilingual School

  1.0 km away
• Elmgrove Primary School & Nursery

  1.1 km away
• Harris Primary Academy South Kenton

  1.3 km away

• Harrow High School

  500 m away
• St Gregory's Catholic Science College

  1.2 km away
• Wembley High Technology College

  1.9 km away

• Northwick Park

  |

  200 m away
• Kenton

  |

  300 m away
• Harrow-on-the-Hill

  |

  1.0 km away

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