According to data from HM Land Registry, 18, Northwick Park Road, Harrow sits on a plot of 570 m².

We have plot size data on 7 out of 7 other houses in the postcode and 18, Northwick Park Road, Harrow sits on the 6th largest plot.

18, Northwick Park Road, Harrow has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 29 Jan 2025.

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

According to the Land Registry and our network of Estate Agents, there have been 917 property sales within 370 metres of 18, Northwick Park Road, Harrow since 2018.

The most recent example is 11, Hanbury Court, Harrow, HA1 2LR, a leasehold flat which sold for £140,000 on the 10th September 2025.

Read more about house prices in HA1.

• Sold Sep 2025£140,000 | 2 Bed Flat11, Hanbury Court, Harrow, HA1 2LR11, Hanbury Court, Harrow, HA1 2LR
• Sold Jul 2025£175,000 | 2 Bed Flat6, Hanbury Court, Harrow, HA1 2LR6, Hanbury Court, Harrow, HA1 2LR
• Sold Feb 2025£195,000 | 2 Bed Flat4, Hanbury Court, Harrow, HA1 2LR4, Hanbury Court, Harrow, HA1 2LR
• Sold Oct 2024£350,000 | 2 Bed Flat3 Blackthorne Court, Manor Road, Harrow, HA1 2NZ3 Blackthorne Court, Manor Road, Harrow, HA1 2NZ
• Sold Sep 2023£850,000 | 5 Bed House9, Northwick Park Road, Harrow, HA1 2NY9, Northwick Park Road, Harrow, HA1 2NY
• Sold Jun 2023£137,500 | 1 Bed Flat3, Hanbury Court, Harrow, HA1 2LR3, Hanbury Court, Harrow, HA1 2LR
• Sold Jan 2023£1,060,000 | 6 Bed House15, Northwick Park Road, Harrow, HA1 2NY15, Northwick Park Road, Harrow, HA1 2NY
• Sold Oct 2021£385,000 | 2 Bed Flat1 Blackthorne Court, Manor Road, Harrow, HA1 2NZ1 Blackthorne Court, Manor Road, Harrow, HA1 2NZ
• Sold Oct 2021£155,000 | 1 Bed Flat16, Hanbury Court, Harrow, HA1 2LR16, Hanbury Court, Harrow, HA1 2LR
• Sold Jun 2021£185,000 | 2 Bed Flat9, Hanbury Court, Harrow, HA1 2LR9, Hanbury Court, Harrow, HA1 2LR
• Sold May 2021£175,000 | 2 Bed Flat8, Hanbury Court, Harrow, HA1 2LR8, Hanbury Court, Harrow, HA1 2LR
• Sold Feb 2021£850,000 | 6 Bed House16, Northwick Park Road, Harrow, HA1 2NU16, Northwick Park Road, Harrow, HA1 2NU
• Sold Jun 2020£152,000 | 1 Bed Flat22, Hanbury Court, Harrow, HA1 2LR22, Hanbury Court, Harrow, HA1 2LR
• Sold May 2019£164,000 | 2 Bed Flat29, Hanbury Court, Harrow, HA1 2LR29, Hanbury Court, Harrow, HA1 2LR
• Sold Jan 2019£158,000 | 1 Bed Flat12, Hanbury Court, Harrow, HA1 2LR12, Hanbury Court, Harrow, HA1 2LR
• Sold Sep 2018£170,000 | 1 Bed Flat7, Hanbury Court, Harrow, HA1 2LR7, Hanbury Court, Harrow, HA1 2LR
• Sold Aug 2018£165,000 | 1 Bed Flat1, Hanbury Court, Harrow, HA1 2LR1, Hanbury Court, Harrow, HA1 2LR
• Sold Jul 2018£160,000 | 1 Bed Flat34, Hanbury Court, Harrow, HA1 2LR34, Hanbury Court, Harrow, HA1 2LR
• Sold May 2018£267,500 | 2 Bed Flat25, Hanbury Court, Harrow, HA1 2LR25, Hanbury Court, Harrow, HA1 2LR
• Sold Feb 2018£250,000 | 2 Bed Flat2, Hanbury Court, Harrow, HA1 2LR2, Hanbury Court, Harrow, HA1 2LR

Northwick Park Road, Harrow, HA1 has a total of 122 addresses. According to our analysis of all the public data, 18, Northwick Park Road, Harrow is the 3rd largest and the 17th most expensive property on the street.

When compared to the postcode district it is £325k more expensive than the average property in HA1.

• Saint Jerome Church of England Bilingual School

  600 m away
• Elmgrove Primary School & Nursery

  900 m away
• Norbury School

  1.0 km away

• Harrow High School

  200 m away
• St Gregory's Catholic Science College

  1.5 km away
• Whitmore High School

  2.0 km away

• Kenton

  |

  600 m away
• Northwick Park

  |

  600 m away
• Harrow-on-the-Hill

  |

  700 m away

According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.