12, The Avenue, Harrow occupies a 373 m² plot as recorded by HM Land Registry.

All 10 other houses in this postcode have recorded plot sizes, and this one ranks as the 6th largest.

12, The Avenue, Harrow has an Energy Performance Rating (EPC) of F. This is based on the most recent assessment, dated 12 Jul 2011.

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

Land Registry records and our Estate Agent network show 241 sales of comparable properties within 490 metres of 12, The Avenue, Harrow since 2019.

Most recently, 17, The Highway, Stanmore, HA7 3PL, a freehold house, sold at £587,000 on the 18th May 2026.

Read more about house prices in HA3.

• Sold May 2026£587,000 | 3 Bed House17, The Highway, Stanmore, HA7 3PL17, The Highway, Stanmore, HA7 3PL
• Sold May 2026£650,000 | 4 Bed House33, Adderley Road, Harrow, HA3 7HS33, Adderley Road, Harrow, HA3 7HS
• Sold Feb 2026£600,000 | 3 Bed House31, The Highway, Stanmore, HA7 3PL31, The Highway, Stanmore, HA7 3PL
• Sold Dec 2025£603,000 | 4 Bed House41, Whitegate Gardens, Harrow, HA3 6BW41, Whitegate Gardens, Harrow, HA3 6BW
• Sold Oct 2025£500,000 | 3 Bed House35, Adderley Road, Harrow, HA3 7HS35, Adderley Road, Harrow, HA3 7HS
• Sold Sep 2025£545,000 | 3 Bed House27, College Hill Road, Harrow, HA3 7HG27, College Hill Road, Harrow, HA3 7HG
• Sold Sep 2025£520,000 | 3 Bed House35, Weald Rise, Harrow, HA3 7DQ35, Weald Rise, Harrow, HA3 7DQ
• Sold Aug 2025£600,000 | 4 Bed House66, Drummond Drive, Stanmore, HA7 3PE66, Drummond Drive, Stanmore, HA7 3PE
• Sold Jun 2025£717,000 | 4 Bed House98, Drummond Drive, Stanmore, HA7 3PE98, Drummond Drive, Stanmore, HA7 3PE
• Sold Mar 2025£560,000 | 3 Bed House103, Drummond Drive, Stanmore, HA7 3PP103, Drummond Drive, Stanmore, HA7 3PP
• Sold Sep 2024£600,000 | 3 Bed House70, Drummond Drive, Stanmore, HA7 3PE70, Drummond Drive, Stanmore, HA7 3PE
• Sold Aug 2024£550,000 | 3 Bed House31, The Avenue, Harrow, HA3 7DB31, The Avenue, Harrow, HA3 7DB
• Sold Apr 2024£490,000 | 3 Bed House59, The Avenue, Harrow, HA3 7DB59, The Avenue, Harrow, HA3 7DB
• Sold Feb 2024£650,000 | 3 Bed House94, College Hill Road, Harrow, HA3 7DA94, College Hill Road, Harrow, HA3 7DA
• Sold Jan 2024£575,000 | 3 Bed House4, Weald Rise, Harrow, HA3 7DG4, Weald Rise, Harrow, HA3 7DG
• Sold Oct 2023£760,000 | 3 Bed House85, Drummond Drive, Stanmore, HA7 3PH85, Drummond Drive, Stanmore, HA7 3PH
• Sold Oct 2022£652,000 | 3 Bed House82, Drummond Drive, Stanmore, HA7 3PE82, Drummond Drive, Stanmore, HA7 3PE
• Sold Jan 2022£625,000 | 3 Bed House98, College Hill Road, Harrow, HA3 7DA98, College Hill Road, Harrow, HA3 7DA
• Sold Jan 2021£556,000 | 4 Bed House34, College Hill Road, Harrow, HA3 7HE34, College Hill Road, Harrow, HA3 7HE
• Sold Apr 2019£534,500 | 3 Bed House9, The Avenue, Harrow, HA3 7DB9, The Avenue, Harrow, HA3 7DB

Our analysis of the public data ranks 12, The Avenue, Harrow as the 36th largest and the 30th most expensive of the 70 addresses on The Avenue, Harrow, HA3.

Against the HA3 postcode district average, it is £106k more expensive than the typical property.

• Weald Rise Primary School

  300 m away
• Belmont School

  600 m away
• St Joseph's Catholic Primary School

  800 m away

• The Sacred Heart Language College

  700 m away
• Salvatorian Roman Catholic College

  800 m away
• Bentley Wood High School

  1.4 km away

• Harrow & Wealdstone

  |

  1.4 km away
• Headstone Lane

  |

  1.9 km away

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