21, Boxmoor Road, Harrow occupies a 257 m² plot as recorded by HM Land Registry.

All 27 other houses in this postcode have recorded plot sizes, and this one ranks as the 23rd largest.

21, Boxmoor Road, Harrow has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 17 Feb 2019.

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

21, Boxmoor Road, Harrow last changed hands on 5th July 2007, selling for £294,000. 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 risen by 71.9% since July 2007.

• Sold Jul 2007£294,000

Land Registry records and our Estate Agent network show 125 sales of comparable properties within 550 metres of 21, Boxmoor Road, Harrow since 2021.

Most recently, 25, Kenmore Avenue, Harrow, HA3 8PA, a freehold house, sold at £710,000 on the 20th April 2026.

Read more about house prices in HA3.

• Sold Apr 2026£710,000 | 4 Bed House25, Kenmore Avenue, Harrow, HA3 8PA25, Kenmore Avenue, Harrow, HA3 8PA
• Sold Mar 2026£775,000 | 4 Bed House82, Elmsleigh Avenue, Harrow, HA3 8HZ82, Elmsleigh Avenue, Harrow, HA3 8HZ
• Sold Dec 2025£780,000 | 4 Bed House17, Becmead Avenue, Harrow, HA3 8HD17, Becmead Avenue, Harrow, HA3 8HD
• Sold Dec 2025£780,000 | 4 Bed House101, Elmsleigh Avenue, Harrow, HA3 8HY101, Elmsleigh Avenue, Harrow, HA3 8HY
• Sold Oct 2025£710,000 | 4 Bed House8, Brampton Grove, Harrow, HA3 8LG8, Brampton Grove, Harrow, HA3 8LG
• Sold Oct 2025£730,000 | 4 Bed House5, Alicia Close, Harrow, HA3 8HP5, Alicia Close, Harrow, HA3 8HP
• Sold Sep 2025£773,000 | 4 Bed House49, Hartford Avenue, Harrow, HA3 8TA49, Hartford Avenue, Harrow, HA3 8TA
• Sold Aug 2025£638,000 | 4 Bed House50, Brampton Grove, Harrow, HA3 8LF50, Brampton Grove, Harrow, HA3 8LF
• Sold Aug 2025£675,000 | 4 Bed House44, Alicia Avenue, Harrow, HA3 8HS44, Alicia Avenue, Harrow, HA3 8HS
• Sold Dec 2024£695,000 | 4 Bed House64, Brampton Grove, Harrow, HA3 8LF64, Brampton Grove, Harrow, HA3 8LF
• Sold Oct 2024£653,000 | 4 Bed House4, Radstock Avenue, Harrow, HA3 8PE4, Radstock Avenue, Harrow, HA3 8PE
• Sold Sep 2024£630,000 | 4 Bed House53, Becmead Avenue, Harrow, HA3 8HD53, Becmead Avenue, Harrow, HA3 8HD
• Sold Aug 2024£765,000 | 4 Bed House58, Elmsleigh Avenue, Harrow, HA3 8HZ58, Elmsleigh Avenue, Harrow, HA3 8HZ
• Sold Jul 2024£780,000 | 4 Bed House28, Radstock Avenue, Harrow, HA3 8PE28, Radstock Avenue, Harrow, HA3 8PE
• Sold Nov 2023£580,000 | 4 Bed House23, Boxmoor Road, Harrow, HA3 8LH23, Boxmoor Road, Harrow, HA3 8LH
• Sold Jul 2022£575,000 | 4 Bed House12, Brampton Grove, Harrow, HA3 8LG12, Brampton Grove, Harrow, HA3 8LG
• Sold Jun 2022£780,000 | 4 Bed House47, Alveston Avenue, Harrow, HA3 8TG47, Alveston Avenue, Harrow, HA3 8TG
• Sold Feb 2022£910,000 | 4 Bed House70, Kingshill Avenue, Harrow, HA3 8LB70, Kingshill Avenue, Harrow, HA3 8LB
• Sold Nov 2021£730,000 | 4 Bed House10, Wykeham Road, Harrow, HA3 8LJ10, Wykeham Road, Harrow, HA3 8LJ
• Sold Feb 2021£565,000 | 4 Bed House44, Brampton Grove, Harrow, HA3 8LF44, Brampton Grove, Harrow, HA3 8LF

Our analysis of the public data ranks 21, Boxmoor Road, Harrow as the 5th largest and the 7th most expensive of the 59 addresses on Boxmoor Road, Harrow, HA3.

Against the HA3 postcode district average, it is £192k more expensive than the typical property.

• Elmgrove Primary School & Nursery

  500 m away
• Priestmead Primary School and Nursery

  600 m away
• St Joseph's Catholic Primary School

  1.1 km away

• St Gregory's Catholic Science College

  1.1 km away
• Harrow High School

  1.4 km away
• Park High School

  1.5 km away

• Kenton

  |

  1.0 km away
• Harrow & Wealdstone

  |

  1.2 km away

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