According to data from HM Land Registry, 21, Warwick Avenue, Harrow sits on a plot of 281 m².

We have plot size data on 44 out of 44 other houses in the postcode and 21, Warwick Avenue, Harrow sits on the 21st largest plot.

21, Warwick Avenue, Harrow has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 10 Jul 2023.

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 HM Land Registry, 21, Warwick Avenue, Harrow was last sold on 23rd February 2024 for £500,000 and was recorded as a freehold house.

The property has only had this single sale since 1995.

Since February 2024, the market for similar properties has risen by 3.0%.

• Sold Feb 2024£500,000

According to the Land Registry and our network of Estate Agents, there have been 179 sales of properties similar to 21, Warwick Avenue, Harrow within a radius of 500 metres since 2016.

The most recent example is 46, Warwick Avenue, Harrow, HA2 8RD, a freehold house which sold for £525,000 on the 22nd April 2026.

Read more about house prices in HA2.

• Sold Apr 2026£525,000 | 3 Bed House46, Warwick Avenue, Harrow, HA2 8RD46, Warwick Avenue, Harrow, HA2 8RD
• Sold Dec 2025£415,000 | 3 Bed House49, Warwick Avenue, Harrow, HA2 8RE49, Warwick Avenue, Harrow, HA2 8RE
• Sold Aug 2025£512,500 | 3 Bed House38, Stiven Crescent, Harrow, HA2 9AY38, Stiven Crescent, Harrow, HA2 9AY
• Sold Mar 2025£350,000 | 3 Bed House26, Warwick Avenue, Harrow, HA2 8RD26, Warwick Avenue, Harrow, HA2 8RD
• Sold Feb 2025£540,000 | 3 Bed House30, Holyrood Avenue, Harrow, HA2 8TP30, Holyrood Avenue, Harrow, HA2 8TP
• Sold Dec 2024£530,000 | 3 Bed House387, Eastcote Lane, Harrow, HA2 8SD387, Eastcote Lane, Harrow, HA2 8SD
• Sold Dec 2024£465,000 | 3 Bed House28, Rosebery Avenue, Harrow, HA2 9AP28, Rosebery Avenue, Harrow, HA2 9AP
• Sold Oct 2024£491,000 | 3 Bed House76, Warwick Avenue, Harrow, HA2 8RD76, Warwick Avenue, Harrow, HA2 8RD
• Sold Aug 2024£435,000 | 2 Bed House3, Kenilworth Avenue, Harrow, HA2 8RZ3, Kenilworth Avenue, Harrow, HA2 8RZ
• Sold Mar 2024£465,000 | 3 Bed House24A, Warwick Avenue, Harrow, HA2 8RD24A, Warwick Avenue, Harrow, HA2 8RD
• Sold Mar 2024£520,000 | 3 Bed House58, Warwick Avenue, Harrow, HA2 8RD58, Warwick Avenue, Harrow, HA2 8RD
• Sold Mar 2023£490,000 | 3 Bed House67, Kenilworth Avenue, Harrow, HA2 8RZ67, Kenilworth Avenue, Harrow, HA2 8RZ
• Sold Sep 2022£555,000 | 3 Bed House33, Holyrood Avenue, Harrow, HA2 8UD33, Holyrood Avenue, Harrow, HA2 8UD
• Sold Jul 2021£490,000 | 3 Bed House54, Warwick Avenue, Harrow, HA2 8RD54, Warwick Avenue, Harrow, HA2 8RD
• Sold Oct 2020£435,000 | 3 Bed House24, Rosebery Avenue, Harrow, HA2 9AP24, Rosebery Avenue, Harrow, HA2 9AP
• Sold Jun 2020£405,000 | 3 Bed House62, Kenilworth Avenue, Harrow, HA2 8SA62, Kenilworth Avenue, Harrow, HA2 8SA
• Sold May 2020£483,985 | 3 Bed House15, Warwick Avenue, Harrow, HA2 8RE15, Warwick Avenue, Harrow, HA2 8RE
• Sold Dec 2018£365,000 | 3 Bed House48, Kenilworth Avenue, Harrow, HA2 8SA48, Kenilworth Avenue, Harrow, HA2 8SA
• Sold Dec 2018£380,000 | 3 Bed House22, Kenilworth Avenue, Harrow, HA2 8SA22, Kenilworth Avenue, Harrow, HA2 8SA
• Sold Jul 2016£465,000 | 3 Bed House58, Kenilworth Avenue, Harrow, HA2 8SA58, Kenilworth Avenue, Harrow, HA2 8SA

Warwick Avenue, Harrow, HA2 has a total of 95 addresses. According to our analysis of all the public data, 21, Warwick Avenue, Harrow is the 77th largest and the 80th most expensive property on the street.

When compared to the postcode district it is £37k less expensive than the average property in HA2.

• Earlsmead Primary School

  300 m away
• Heathland School

  700 m away
• Willow Tree Primary School

  900 m away

• Rooks Heath School

  600 m away
• Islip Manor High School

  700 m away
• Queensmead School

  800 m away

• Northolt Park

  |

  1.2 km away
• Northolt

  |

  1.3 km away
• South Ruislip

  |

  1.5 km away

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