According to data from HM Land Registry, 11, Trevelyan Crescent, Harrow sits on a plot of 644 m².

We have plot size data on 26 out of 26 other houses in the postcode and 11, Trevelyan Crescent, Harrow sits on the 2nd largest plot.

11, Trevelyan Crescent, Harrow has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 15 Oct 2025.

The property is connected to mains gas and has single 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 74 sales of properties similar to 11, Trevelyan Crescent, Harrow within a radius of 560 metres since 2011.

The most recent example is 11, Shaftesbury Avenue, Harrow, HA3 0QT, a freehold house which sold for £825,000 on the 24th April 2026.

Read more about house prices in HA3.

• Sold Apr 2026£825,000 | 4 Bed House11, Shaftesbury Avenue, Harrow, HA3 0QT11, Shaftesbury Avenue, Harrow, HA3 0QT
• Sold Apr 2026£940,000 | 5 Bed House3, Bulmer Gardens, Harrow, HA3 0PA3, Bulmer Gardens, Harrow, HA3 0PA
• Sold Jun 2025£917,000 | 5 Bed House5, Trevelyan Crescent, Harrow, HA3 0RN5, Trevelyan Crescent, Harrow, HA3 0RN
• Sold Mar 2025£810,000 | 5 Bed House2, Westward Way, Harrow, HA3 0SE2, Westward Way, Harrow, HA3 0SE
• Sold Mar 2025£910,000 | 5 Bed House6, Kinch Grove, Wembley, HA9 9TF6, Kinch Grove, Wembley, HA9 9TF
• Sold Oct 2024£452,500 | 5 Bed House48, Grasmere Avenue, Wembley, HA9 8TD48, Grasmere Avenue, Wembley, HA9 8TD
• Sold Jun 2024£1,080,000 | 5 Bed House27, Shaftesbury Avenue, Harrow, HA3 0QU27, Shaftesbury Avenue, Harrow, HA3 0QU
• Sold Feb 2024£842,000 | 5 Bed House37, Vista Way, Harrow, HA3 0SP37, Vista Way, Harrow, HA3 0SP
• Sold Mar 2023£870,000 | 5 Bed House291, Preston Road, Harrow, HA3 0QQ291, Preston Road, Harrow, HA3 0QQ
• Sold Oct 2022£1,100,000 | 5 Bed House9, Shaftesbury Avenue, Harrow, HA3 0QT9, Shaftesbury Avenue, Harrow, HA3 0QT
• Sold Jun 2021£975,000 | 5 Bed House11, Woodhill Crescent, Harrow, HA3 0LU11, Woodhill Crescent, Harrow, HA3 0LU
• Sold Jan 2021£832,500 | 5 Bed House31, Shaftesbury Avenue, Harrow, HA3 0QU31, Shaftesbury Avenue, Harrow, HA3 0QU
• Sold Apr 2019£785,000 | 5 Bed House19, Trevelyan Crescent, Harrow, HA3 0RN19, Trevelyan Crescent, Harrow, HA3 0RN
• Sold Feb 2018£848,000 | 5 Bed House36, Woodhill Crescent, Harrow, HA3 0LY36, Woodhill Crescent, Harrow, HA3 0LY
• Sold Feb 2017£925,000 | 5 Bed House55, Vista Way, Harrow, HA3 0SP55, Vista Way, Harrow, HA3 0SP
• Sold Nov 2016£899,500 | 5 Bed House35, Woodhill Crescent, Harrow, HA3 0LU35, Woodhill Crescent, Harrow, HA3 0LU
• Sold Feb 2016£860,000 | 5 Bed HouseThe Lodge, Woodcock Hill, Harrow, HA3 0PQThe Lodge, Woodcock Hill, Harrow, HA3 0PQ
• Sold Sep 2013£515,000 | 4 Bed House41, Trevelyan Crescent, Harrow, HA3 0RN41, Trevelyan Crescent, Harrow, HA3 0RN
• Sold Feb 2013£551,000 | 4 Bed House19, Shaftesbury Avenue, Harrow, HA3 0QT19, Shaftesbury Avenue, Harrow, HA3 0QT
• Sold Apr 2011£605,000 | 5 Bed House277, Woodcock Hill, Harrow, HA3 0PG277, Woodcock Hill, Harrow, HA3 0PG

Trevelyan Crescent, Harrow, HA3 has a total of 71 addresses. According to our analysis of all the public data, 11, Trevelyan Crescent, Harrow is the 14th largest and the 13th most expensive property on the street.

When compared to the postcode district it is £404k more expensive than the average property in HA3.

• Mount Stewart Junior School

  300 m away
• Mount Stewart Infant School

  300 m away
• Preston Park Primary School

  600 m away

• St Gregory's Catholic Science College

  900 m away
• Claremont High School

  900 m away
• JFS

  1.3 km away

• Preston Road

  |

  600 m away
• South Kenton

  |

  1.0 km away
• Northwick Park

  |

  1.4 km away

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