16, Northwick Avenue, Harrow occupies a 381 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 21st largest.

16, Northwick Avenue, Harrow has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 20 Mar 2015.

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

16, Northwick Avenue, Harrow last changed hands on 15th September 2017, selling for £561,000. The transaction was logged as a freehold house by HM Land Registry.

In total it has sold 3 times since 1995.

The market for similar properties has dropped by 3.9% since September 2017.

• Sold Sep 2017£561,000
• Sold Jun 2015£450,000
• Sold Jan 2001£160,000

Land Registry records and our Estate Agent network show 58 sales of comparable properties within 590 metres of 16, Northwick Avenue, Harrow since 2007.

Most recently, 4, Hawthorne Avenue, Harrow, HA3 8AG, a freehold house, sold at £727,500 on the 18th August 2025.

Read more about house prices in HA3.

• Sold Aug 2025£727,500 | 4 Bed House4, Hawthorne Avenue, Harrow, HA3 8AG4, Hawthorne Avenue, Harrow, HA3 8AG
• Sold Jul 2025£700,000 | 4 Bed House7, Ashburnham Gardens, Harrow, HA1 2JH7, Ashburnham Gardens, Harrow, HA1 2JH
• Sold Jun 2025£680,000 | 4 Bed House32, Hawthorne Avenue, Harrow, HA3 8AG32, Hawthorne Avenue, Harrow, HA3 8AG
• Sold May 2025£660,000 | 3 Bed House79, Manor Road, Harrow, HA1 2PG79, Manor Road, Harrow, HA1 2PG
• Sold Oct 2024£655,000 | 4 Bed House51, Northwick Avenue, Harrow, HA3 0AA51, Northwick Avenue, Harrow, HA3 0AA
• Sold Apr 2024£635,000 | 4 Bed House56, Manor Road, Harrow, HA1 2PD56, Manor Road, Harrow, HA1 2PD
• Sold Mar 2024£590,000 | 4 Bed House90, Northwick Avenue, Harrow, HA3 0AT90, Northwick Avenue, Harrow, HA3 0AT
• Sold Nov 2023£500,000 | 4 Bed House45, Crofts Road, Harrow, HA1 2PQ45, Crofts Road, Harrow, HA1 2PQ
• Sold Sep 2023£665,000 | 4 Bed House1, Flambard Road, Harrow, HA1 2NB1, Flambard Road, Harrow, HA1 2NB
• Sold Aug 2023£630,000 | 3 Bed House49, Elmwood Avenue, Harrow, HA3 8AJ49, Elmwood Avenue, Harrow, HA3 8AJ
• Sold Jul 2023£750,000 | 4 Bed House14, Flambard Road, Harrow, HA1 2NA14, Flambard Road, Harrow, HA1 2NA
• Sold Jun 2022£710,000 | 4 Bed House106, Northwick Avenue, Harrow, HA3 0AT106, Northwick Avenue, Harrow, HA3 0AT
• Sold Jan 2021£600,000 | 4 Bed House3, Hawthorne Avenue, Harrow, HA3 8AG3, Hawthorne Avenue, Harrow, HA3 8AG
• Sold May 2018£610,000 | 4 Bed House15, Woodway Crescent, Harrow, HA1 2NH15, Woodway Crescent, Harrow, HA1 2NH
• Sold May 2017£640,000 | 4 Bed House47, Northwick Avenue, Harrow, HA3 0AA47, Northwick Avenue, Harrow, HA3 0AA
• Sold Feb 2017£676,000 | 4 Bed House16, Hawthorne Avenue, Harrow, HA3 8AG16, Hawthorne Avenue, Harrow, HA3 8AG
• Sold Jul 2011£380,000 | 3 Bed House4, Woodway Crescent, Harrow, HA1 2NQ4, Woodway Crescent, Harrow, HA1 2NQ
• Sold Feb 2008£375,000 | 4 Bed House22, Northwick Avenue, Harrow, HA3 0AB22, Northwick Avenue, Harrow, HA3 0AB
• Sold Mar 2007£347,000 | 4 Bed House31, Hawthorne Avenue, Harrow, HA3 8AG31, Hawthorne Avenue, Harrow, HA3 8AG
• Sold Jan 2007£355,000 | 4 Bed House32, Northwick Avenue, Harrow, HA3 0AB32, Northwick Avenue, Harrow, HA3 0AB

Our analysis of the public data ranks 16, Northwick Avenue, Harrow as the 72nd largest and the 55th most expensive of the 162 addresses on Northwick Avenue, Harrow, HA3.

Against the HA3 postcode district average, it is £116k 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.