427, Northolt Road, Harrow occupies a 328 m² plot as recorded by HM Land Registry.

All 15 other houses in this postcode have recorded plot sizes, and this one ranks as the 3rd largest.

427, Northolt Road, Harrow has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 26 Mar 2026.

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

427, Northolt Road, Harrow last changed hands on 21st April 1995, selling for £89,000. The transaction was logged as a freehold house by HM Land Registry.

That is its only recorded sale since 1995.

• Sold Apr 1995£89,000

Land Registry records and our Estate Agent network show 94 sales of comparable properties within 500 metres of 427, Northolt Road, Harrow since 2017.

Most recently, 64, Clauson Avenue, Northolt, UB5 4PS, a freehold house, sold at £525,000 on the 24th October 2025.

Read more about house prices in HA2.

• Sold Oct 2025£525,000 | 4 Bed House64, Clauson Avenue, Northolt, UB5 4PS64, Clauson Avenue, Northolt, UB5 4PS
• Sold Sep 2025£555,000 | 4 Bed House46, Westwood Avenue, Harrow, HA2 8NS46, Westwood Avenue, Harrow, HA2 8NS
• Sold Dec 2024£470,000 | 3 Bed House53, Wargrave Road, Harrow, HA2 8LL53, Wargrave Road, Harrow, HA2 8LL
• Sold Aug 2024£510,000 | 4 Bed House89, Halsbury Road West, Northolt, UB5 4PW89, Halsbury Road West, Northolt, UB5 4PW
• Sold Jul 2024£592,000 | 4 Bed House72, Halsbury Road West, Northolt, UB5 4PW72, Halsbury Road West, Northolt, UB5 4PW
• Sold Nov 2023£532,500 | 4 Bed House49, Clauson Avenue, Northolt, UB5 4PS49, Clauson Avenue, Northolt, UB5 4PS
• Sold Aug 2023£530,000 | 3 Bed House37, Park Lane, Harrow, HA2 8NW37, Park Lane, Harrow, HA2 8NW
• Sold Oct 2022£200,000 | 4 Bed House375, Northolt Road, Harrow, HA2 8JD375, Northolt Road, Harrow, HA2 8JD
• Sold Mar 2022£563,000 | 4 Bed House56, Halsbury Road West, Northolt, UB5 4PW56, Halsbury Road West, Northolt, UB5 4PW
• Sold Mar 2022£480,000 | 4 Bed House1, Park Mead, Harrow, HA2 8NQ1, Park Mead, Harrow, HA2 8NQ
• Sold Sep 2021£580,000 | 4 Bed House37, Westwood Avenue, Harrow, HA2 8NR37, Westwood Avenue, Harrow, HA2 8NR
• Sold Jun 2021£516,000 | 4 Bed House435, Northolt Road, Harrow, HA2 8JH435, Northolt Road, Harrow, HA2 8JH
• Sold Jun 2021£560,000 | 3 Bed House32, Wood End Avenue, Harrow, HA2 8NX32, Wood End Avenue, Harrow, HA2 8NX
• Sold Oct 2020£585,000 | 4 Bed House49, Westwood Avenue, Harrow, HA2 8NR49, Westwood Avenue, Harrow, HA2 8NR
• Sold Nov 2019£490,000 | 3 Bed House45, Wood End Avenue, Harrow, HA2 8NU45, Wood End Avenue, Harrow, HA2 8NU
• Sold Sep 2019£530,000 | 4 Bed House21, Westwood Avenue, Harrow, HA2 8NR21, Westwood Avenue, Harrow, HA2 8NR
• Sold Mar 2019£510,000 | 3 Bed House13, Westwood Avenue, Harrow, HA2 8NR13, Westwood Avenue, Harrow, HA2 8NR
• Sold Mar 2019£480,000 | 4 Bed House58, Westwood Avenue, Harrow, HA2 8NS58, Westwood Avenue, Harrow, HA2 8NS
• Sold Aug 2017£550,000 | 3 Bed House23, Park Lane, Harrow, HA2 8NW23, Park Lane, Harrow, HA2 8NW
• Sold Jan 2017£510,000 | 4 Bed House20, Westwood Avenue, Harrow, HA2 8NS20, Westwood Avenue, Harrow, HA2 8NS

Our analysis of the public data ranks 427, Northolt Road, Harrow as the 28th largest and the 22nd most expensive of the 1074 addresses on Northolt Road, Harrow, HA2.

Against the HA2 postcode district average, it is £16k more expensive than the typical property.

• The Welldon Park Academy

  400 m away
• Petts Hill Primary School

  600 m away
• Greenwood Primary School

  900 m away

• Rooks Heath School

  900 m away
• Islip Manor High School

  1.3 km away
• Whitmore High School

  1.6 km away

• Northolt Park

  |

  100 m away
• South Harrow

  |

  800 m away
• Northolt

  |

  1.3 km away

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