According to data from HM Land Registry, 40, Warden Avenue, Harrow sits on a plot of 266 m².

We have plot size data on 38 out of 45 other houses in the postcode and 40, Warden Avenue, Harrow sits on the 12th largest plot.

40, Warden Avenue, Harrow has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 03 Apr 2022.

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 154 sales of properties similar to 40, Warden Avenue, Harrow within a radius of 490 metres since 2012.

The most recent example is 97, Warden Avenue, Harrow, HA2 9LL, a freehold house which sold for £525,000 on the 17th June 2026.

Read more about house prices in HA2.

• Sold Jun 2026£525,000 | 3 Bed House97, Warden Avenue, Harrow, HA2 9LL97, Warden Avenue, Harrow, HA2 9LL
• Sold Mar 2026£595,000 | 3 Bed House53, Warden Avenue, Harrow, HA2 9LL53, Warden Avenue, Harrow, HA2 9LL
• Sold Jan 2026£563,000 | 3 Bed House71, Drake Road, Harrow, HA2 9DZ71, Drake Road, Harrow, HA2 9DZ
• Sold Aug 2025£290,000 | 3 Bed House30, Ovesdon Avenue, Harrow, HA2 9PD30, Ovesdon Avenue, Harrow, HA2 9PD
• Sold Mar 2025£525,000 | 3 Bed House8, Warden Avenue, Harrow, HA2 9LW8, Warden Avenue, Harrow, HA2 9LW
• Sold Jul 2024£559,000 | 3 Bed House11, Capthorne Avenue, Harrow, HA2 9NF11, Capthorne Avenue, Harrow, HA2 9NF
• Sold Apr 2024£505,000 | 3 Bed House23, Capthorne Avenue, Harrow, HA2 9NF23, Capthorne Avenue, Harrow, HA2 9NF
• Sold Apr 2024£547,000 | 3 Bed House293, Kings Road, Harrow, HA2 9LQ293, Kings Road, Harrow, HA2 9LQ
• Sold Aug 2023£568,000 | 3 Bed House24, Capthorne Avenue, Harrow, HA2 9NE24, Capthorne Avenue, Harrow, HA2 9NE
• Sold Jul 2023£570,000 | 3 Bed House85, Drake Road, Harrow, HA2 9DZ85, Drake Road, Harrow, HA2 9DZ
• Sold Sep 2022£580,000 | 3 Bed House101, Warden Avenue, Harrow, HA2 9LL101, Warden Avenue, Harrow, HA2 9LL
• Sold May 2022£520,000 | 3 Bed House40, Drake Road, Harrow, HA2 9EA40, Drake Road, Harrow, HA2 9EA
• Sold May 2022£525,000 | 3 Bed House265, Rayners Lane, Harrow, HA2 9TU265, Rayners Lane, Harrow, HA2 9TU
• Sold Jan 2022£520,000 | 3 Bed House25, Capthorne Avenue, Harrow, HA2 9NF25, Capthorne Avenue, Harrow, HA2 9NF
• Sold Nov 2021£505,000 | 3 Bed House12, Ovesdon Avenue, Harrow, HA2 9PD12, Ovesdon Avenue, Harrow, HA2 9PD
• Sold Feb 2021£456,500 | 3 Bed House33, Warden Avenue, Harrow, HA2 9LL33, Warden Avenue, Harrow, HA2 9LL
• Sold Nov 2019£443,000 | 3 Bed House44, Warden Avenue, Harrow, HA2 9LW44, Warden Avenue, Harrow, HA2 9LW
• Sold Dec 2018£497,500 | 3 Bed House78, Warden Avenue, Harrow, HA2 9LW78, Warden Avenue, Harrow, HA2 9LW
• Sold Oct 2014£370,000 | 3 Bed House10, Warden Avenue, Harrow, HA2 9LW10, Warden Avenue, Harrow, HA2 9LW
• Sold Jul 2012£269,000 | 3 Bed House54, Warden Avenue, Harrow, HA2 9LW54, Warden Avenue, Harrow, HA2 9LW

Warden Avenue, Harrow, HA2 has a total of 132 addresses. According to our analysis of all the public data, 40, Warden Avenue, Harrow is the 108th largest and the 105th most expensive property on the street.

When compared to the postcode district it is £26k more expensive than the average property in HA2.

• Newton Farm Nursery, Infant and Junior School

  400 m away
• Roxbourne Primary School

  700 m away
• Longfield Primary School

  900 m away

• Pinner High School

  1.2 km away
• Rooks Heath School

  1.2 km away
• Whitmore High School

  1.5 km away

• Rayners Lane

  |

  400 m away
• North Harrow

  |

  1.6 km away
• Eastcote

  |

  1.6 km away

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