HM Land Registry records the plot of land for 23, The Avenue, Harrow as measuring 368 m².

That makes it the 18th largest plot in the postcode, where all 33 other houses have recorded plot data.

23, The Avenue, Harrow has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 10 Jun 2026.

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

Since 2019 258 properties similar to 23, The Avenue, Harrow have sold within a radius of 480 metres, per the Land Registry and our network of Estate Agents.

The latest, on the 18th May 2026, was 17, The Highway, Stanmore, HA7 3PL, a freehold house which sold for £587,000.

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 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 Jan 2026£585,000 | 3 Bed House71, Whitegate Gardens, Harrow, HA3 6BW71, Whitegate Gardens, Harrow, HA3 6BW
• Sold Dec 2025£630,000 | 3 Bed House52, Park Crescent, Harrow, HA3 6ES52, Park Crescent, Harrow, HA3 6ES
• 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 Mar 2025£560,000 | 3 Bed House103, Drummond Drive, Stanmore, HA7 3PP103, Drummond Drive, Stanmore, HA7 3PP
• Sold Feb 2025£605,000 | 3 Bed House85, Park Crescent, Harrow, HA3 6EU85, Park Crescent, Harrow, HA3 6EU
• Sold Jan 2025£545,000 | 3 Bed House1, Connaught Road, Harrow, HA3 7LE1, Connaught Road, Harrow, HA3 7LE
• 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 Dec 2023£555,000 | 3 Bed House22, Woodcroft Avenue, Stanmore, HA7 3PS22, Woodcroft Avenue, Stanmore, HA7 3PS
• 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 2019£534,500 | 3 Bed House9, The Avenue, Harrow, HA3 7DB9, The Avenue, Harrow, HA3 7DB

Of the 70 addresses on The Avenue, Harrow, HA3, 23, The Avenue, Harrow comes out as the 42nd largest and the 43rd most expensive in our analysis of the public data.

It is also £61k more expensive than the average property across the HA3 district.

• Weald Rise Primary School

  300 m away
• Belmont School

  600 m away
• St Joseph's Catholic Primary School

  900 m away

• The Sacred Heart Language College

  600 m away
• Salvatorian Roman Catholic College

  700 m away
• Bentley Wood High School

  1.4 km away

• Harrow & Wealdstone

  |

  1.4 km away
• Headstone Lane

  |

  1.8 km away

The flood risk here is rated Very Low, based on Environment Agency data.