31, Grasmere Gardens, Harrow occupies a 438 m² plot as recorded by HM Land Registry.

All 46 other houses in this postcode have recorded plot sizes, and this one ranks as the 13th largest.

31, Grasmere Gardens, Harrow has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 18 Feb 2026.

The property is connected to mains gas and has partial double glazing. It is heated using a boiler and radiators (mains gas).

Land Registry records and our Estate Agent network show 270 sales of comparable properties within 470 metres of 31, Grasmere Gardens, Harrow since 2020.

Most recently, 27, Pembroke Avenue, Harrow, HA3 8QG, a freehold house, sold at £550,000 on the 23rd January 2026.

Read more about house prices in HA3.

• Sold Jan 2026£550,000 | 3 Bed House27, Pembroke Avenue, Harrow, HA3 8QG27, Pembroke Avenue, Harrow, HA3 8QG
• Sold Jan 2026£600,000 | 3 Bed House107, Elgin Avenue, Harrow, HA3 8QN107, Elgin Avenue, Harrow, HA3 8QN
• Sold Dec 2025£550,000 | 3 Bed House40, Borrowdale Avenue, Harrow, HA3 7PZ40, Borrowdale Avenue, Harrow, HA3 7PZ
• Sold Dec 2025£530,000 | 3 Bed House12, Fisher Road, Harrow, HA3 7JP12, Fisher Road, Harrow, HA3 7JP
• Sold Sep 2025£545,000 | 3 Bed House56, Elgin Avenue, Harrow, HA3 8QL56, Elgin Avenue, Harrow, HA3 8QL
• Sold Apr 2025£533,200 | 3 Bed House48, Sancroft Road, Harrow, HA3 7NT48, Sancroft Road, Harrow, HA3 7NT
• Sold Apr 2025£662,500 | 3 Bed House30, Elgin Avenue, Harrow, HA3 8QL30, Elgin Avenue, Harrow, HA3 8QL
• Sold Mar 2025£580,000 | 3 Bed House232, Kenmore Avenue, Harrow, HA3 8PS232, Kenmore Avenue, Harrow, HA3 8PS
• Sold Mar 2025£423,000 | 3 Bed House212, Kenmore Avenue, Harrow, HA3 8PS212, Kenmore Avenue, Harrow, HA3 8PS
• Sold Dec 2024£550,000 | 4 Bed House28, Borrowdale Avenue, Harrow, HA3 7PZ28, Borrowdale Avenue, Harrow, HA3 7PZ
• Sold Oct 2024£527,000 | 3 Bed House76, Elgin Avenue, Harrow, HA3 8QJ76, Elgin Avenue, Harrow, HA3 8QJ
• Sold Oct 2024£380,700 | 3 Bed House5, Mountbel Road, Stanmore, HA7 2AG5, Mountbel Road, Stanmore, HA7 2AG
• Sold Sep 2024£545,000 | 3 Bed House68, Borrowdale Avenue, Harrow, HA3 7PZ68, Borrowdale Avenue, Harrow, HA3 7PZ
• Sold Jul 2023£529,950 | 3 Bed House91, Elgin Avenue, Harrow, HA3 8QN91, Elgin Avenue, Harrow, HA3 8QN
• Sold May 2023£1,280,000 | 5 Bed House141, Kingshill Drive, Harrow, HA3 8QT141, Kingshill Drive, Harrow, HA3 8QT
• Sold Oct 2022£610,000 | 3 Bed House13, Radcliffe Road, Harrow, HA3 7QA13, Radcliffe Road, Harrow, HA3 7QA
• Sold Jul 2022£655,000 | 3 Bed House67, Elgin Avenue, Harrow, HA3 8QN67, Elgin Avenue, Harrow, HA3 8QN
• Sold Aug 2021£550,000 | 3 Bed House233, Kenmore Avenue, Harrow, HA3 8PD233, Kenmore Avenue, Harrow, HA3 8PD
• Sold Jun 2021£565,000 | 3 Bed House137, Kingshill Drive, Harrow, HA3 8QT137, Kingshill Drive, Harrow, HA3 8QT
• Sold Mar 2020£480,000 | 3 Bed House53, Grasmere Gardens, Harrow, HA3 7PS53, Grasmere Gardens, Harrow, HA3 7PS

Our analysis of the public data ranks 31, Grasmere Gardens, Harrow as the 60th largest and the 59th most expensive of the 85 addresses on Grasmere Gardens, Harrow, HA3.

Against the HA3 postcode district average, it is £24k more expensive than the typical property.

• St Joseph's Catholic Primary School

  200 m away
• Belmont School

  400 m away
• Priestmead Primary School and Nursery

  500 m away

• The Sacred Heart Language College

  1.0 km away
• Salvatorian Roman Catholic College

  1.2 km away
• Park High School

  1.4 km away

• Harrow & Wealdstone

  |

  1.0 km away
• Kenton

  |

  1.8 km away

Environment Agency data suggests this area has a Very Low risk of flooding.