According to data from HM Land Registry, 15, Hillside Gardens, Harrow sits on a plot of 429 m².

We have plot size data on 15 out of 15 other houses in the postcode and 15, Hillside Gardens, Harrow sits on the largest plot.

15, Hillside Gardens, Harrow has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 10 May 2013.

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, 15, Hillside Gardens, Harrow was last sold on 29th September 2014 for £545,000 and was recorded as a freehold house.

The property has had 2 sales since 1995.

Since September 2014, the market for similar properties has risen by 30.2%.

• Sold Sep 2014£545,000
• Sold Oct 2007£349,950

According to the Land Registry and our network of Estate Agents, there have been 113 sales of properties similar to 15, Hillside Gardens, Harrow within a radius of 540 metres since 2017.

The most recent example is 23, Toley Avenue, Wembley, HA9 9TD, a freehold house which sold for £650,000 on the 24th October 2025.

Read more about house prices in HA3.

• Sold Oct 2025£650,000 | 4 Bed House23, Toley Avenue, Wembley, HA9 9TD23, Toley Avenue, Wembley, HA9 9TD
• Sold Sep 2025£850,000 | 4 Bed House221, Woodcock Hill, Harrow, HA3 0PG221, Woodcock Hill, Harrow, HA3 0PG
• Sold May 2025£832,000 | 4 Bed House34, Shaftesbury Avenue, Harrow, HA3 0QY34, Shaftesbury Avenue, Harrow, HA3 0QY
• Sold Apr 2025£693,000 | 4 Bed House18, Kinch Grove, Wembley, HA9 9TF18, Kinch Grove, Wembley, HA9 9TF
• Sold Mar 2025£750,000 | 4 Bed House16, Kinch Grove, Wembley, HA9 9TF16, Kinch Grove, Wembley, HA9 9TF
• Sold Mar 2025£750,000 | 4 Bed House245, Woodcock Hill, Harrow, HA3 0PG245, Woodcock Hill, Harrow, HA3 0PG
• Sold Feb 2025£740,000 | 4 Bed House20, Oxenpark Avenue, Wembley, HA9 9SZ20, Oxenpark Avenue, Wembley, HA9 9SZ
• Sold Nov 2024£650,000 | 4 Bed House241, Woodcock Hill, Harrow, HA3 0PG241, Woodcock Hill, Harrow, HA3 0PG
• Sold Sep 2024£700,000 | 4 Bed House26, Ravenscroft Avenue, Wembley, HA9 9TL26, Ravenscroft Avenue, Wembley, HA9 9TL
• Sold Aug 2024£730,000 | 4 Bed House7, Westward Way, Harrow, HA3 0SE7, Westward Way, Harrow, HA3 0SE
• Sold Jun 2024£780,000 | 4 Bed House22, Regal Way, Harrow, HA3 0RX22, Regal Way, Harrow, HA3 0RX
• Sold Feb 2024£760,000 | 4 Bed House42, Trevelyan Crescent, Harrow, HA3 0RL42, Trevelyan Crescent, Harrow, HA3 0RL
• Sold Nov 2023£885,000 | 4 Bed House8, Shaftesbury Avenue, Harrow, HA3 0QX8, Shaftesbury Avenue, Harrow, HA3 0QX
• Sold Aug 2023£900,000 | 4 Bed House25, Trevelyan Crescent, Harrow, HA3 0RN25, Trevelyan Crescent, Harrow, HA3 0RN
• Sold Jan 2023£767,500 | 4 Bed House30, Kinch Grove, Wembley, HA9 9TF30, Kinch Grove, Wembley, HA9 9TF
• Sold Dec 2022£750,000 | 4 Bed House2, Shaftesbury Avenue, Harrow, HA3 0QX2, Shaftesbury Avenue, Harrow, HA3 0QX
• Sold Oct 2022£835,000 | 4 Bed House39, Regal Way, Harrow, HA3 0RZ39, Regal Way, Harrow, HA3 0RZ
• Sold Dec 2019£565,000 | 4 Bed House20, Kinch Grove, Wembley, HA9 9TF20, Kinch Grove, Wembley, HA9 9TF
• Sold Oct 2019£735,000 | 4 Bed House31, Toley Avenue, Wembley, HA9 9TD31, Toley Avenue, Wembley, HA9 9TD
• Sold May 2017£697,000 | 4 Bed House16, Toley Avenue, Wembley, HA9 9TD16, Toley Avenue, Wembley, HA9 9TD

Hillside Gardens, Harrow, HA3 has a total of 15 addresses. According to our analysis of all the public data, 15, Hillside Gardens, Harrow is the 4th largest and the 3rd most expensive property on the street.

When compared to the postcode district it is £239k more expensive than the average property in HA3.

• Mount Stewart Junior School

  600 m away
• Mount Stewart Infant School

  700 m away
• Preston Park Primary School

  700 m away

• Claremont High School

  900 m away
• JFS

  1.0 km away
• St Gregory's Catholic Science College

  1.2 km away

• Preston Road

  |

  500 m away
• South Kenton

  |

  1.3 km away
• Kingsbury

  |

  1.4 km away

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