According to data from HM Land Registry, 20A, The Avenue, Harrow sits on a plot of 371 m².

We have plot size data on 10 out of 10 other houses in the postcode and 20A, The Avenue, Harrow sits on the 7th largest plot.

20A, The Avenue, Harrow has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 11 Apr 2011.

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

According to the Land Registry and our network of Estate Agents, there have been 215 sales of properties similar to 20A, The Avenue, Harrow within a radius of 490 metres since 2019.

The most recent example is 17, The Highway, Stanmore, HA7 3PL, a freehold house which sold for £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
• 
  Under offer Mar 2026£ Undisclosed | 3 Bed HouseWhitegate Gardens
• Sold Mar 2026£234,375 | 3 Bed House69, College Hill Road, Harrow, HA3 7BT69, College Hill Road, Harrow, HA3 7BT
• Sold Feb 2026£510,000 | 3 Bed House13, Adderley Road, Harrow, HA3 7HS13, Adderley Road, Harrow, HA3 7HS
• Sold Feb 2026£600,000 | 3 Bed House31, The Highway, Stanmore, HA7 3PL31, The Highway, Stanmore, HA7 3PL
• 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£525,000 | 3 Bed House75, Bishop Ken Road, Harrow, HA3 7HP75, Bishop Ken Road, Harrow, HA3 7HP
• Sold Sep 2025£520,000 | 3 Bed House35, Weald Rise, Harrow, HA3 7DQ35, Weald Rise, Harrow, HA3 7DQ
• Sold Jan 2025£545,000 | 3 Bed House1, Connaught Road, Harrow, HA3 7LE1, Connaught Road, Harrow, HA3 7LE
• Sold Oct 2024£550,000 | 3 Bed House3, Hollybush Close, Harrow, HA3 7DP3, Hollybush Close, Harrow, HA3 7DP
• 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 Jun 2024£408,000 | 3 Bed House19, Kingfisher Close, Harrow, HA3 6DA19, Kingfisher Close, Harrow, HA3 6DA
• Sold Apr 2024£490,000 | 3 Bed House59, The Avenue, Harrow, HA3 7DB59, The Avenue, Harrow, HA3 7DB
• Sold Dec 2023£647,500 | 3 Bed House9, Kingfisher Close, Harrow, HA3 6DA9, Kingfisher Close, Harrow, HA3 6DA
• Sold Oct 2023£760,000 | 3 Bed House85, Drummond Drive, Stanmore, HA7 3PH85, Drummond Drive, Stanmore, HA7 3PH
• Sold May 2022£510,000 | 3 Bed House9, Weald Rise, Harrow, HA3 7DQ9, Weald Rise, Harrow, HA3 7DQ
• Sold Apr 2021£570,000 | 3 Bed House57, The Avenue, Harrow, HA3 7DB57, The Avenue, Harrow, HA3 7DB
• Sold Apr 2019£534,500 | 3 Bed House9, The Avenue, Harrow, HA3 7DB9, The Avenue, Harrow, HA3 7DB

The Avenue, Harrow, HA3 has a total of 70 addresses. According to our analysis of all the public data, 20A, The Avenue, Harrow is the 53rd largest and the 45th most expensive property on the street.

When compared to the postcode district it is £59k more expensive than the average property in HA3.

• 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

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