77, Grasmere Gardens, Harrow occupies a 442 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 12th largest.

77, Grasmere Gardens, Harrow has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 11 Feb 2025.

The property is connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).

77, Grasmere Gardens, Harrow last changed hands on 27th October 2025, selling for £710,000. The transaction was logged as a freehold house by HM Land Registry.

That is its only recorded sale since 1995.

The market for similar properties has risen by 4.4% since October 2025.

• Sold Oct 2025£710,000

Land Registry records and our Estate Agent network show 70 sales of comparable properties within 510 metres of 77, Grasmere Gardens, Harrow since 2009.

Most recently, 45, Grasmere Gardens, Harrow, HA3 7PS, a freehold house, sold at £605,000 on the 16th April 2026.

Read more about house prices in HA3.

• Sold Apr 2026£605,000 | 4 Bed House45, Grasmere Gardens, Harrow, HA3 7PS45, Grasmere Gardens, Harrow, HA3 7PS
• Sold Sep 2025£773,000 | 4 Bed House49, Hartford Avenue, Harrow, HA3 8TA49, Hartford Avenue, Harrow, HA3 8TA
• Sold Oct 2024£653,000 | 4 Bed House4, Radstock Avenue, Harrow, HA3 8PE4, Radstock Avenue, Harrow, HA3 8PE
• Sold Sep 2024£500,000 | 4 Bed House40, Radcliffe Road, Harrow, HA3 7QB40, Radcliffe Road, Harrow, HA3 7QB
• Sold Jul 2024£780,000 | 4 Bed House28, Radstock Avenue, Harrow, HA3 8PE28, Radstock Avenue, Harrow, HA3 8PE
• Sold May 2024£510,000 | 4 Bed House134, Elgin Avenue, Harrow, HA3 8QJ134, Elgin Avenue, Harrow, HA3 8QJ
• Sold Dec 2023£316,577 | 5 Bed House19, Avondale Road, Harrow, HA3 7RE19, Avondale Road, Harrow, HA3 7RE
• Sold Aug 2023£680,000 | 4 Bed House155, Kenmore Avenue, Harrow, HA3 8PB155, Kenmore Avenue, Harrow, HA3 8PB
• Sold Nov 2022£582,000 | 4 Bed House33, Grasmere Gardens, Harrow, HA3 7PS33, Grasmere Gardens, Harrow, HA3 7PS
• Sold Jun 2022£780,000 | 4 Bed House47, Alveston Avenue, Harrow, HA3 8TG47, Alveston Avenue, Harrow, HA3 8TG
• Sold Jun 2021£595,000 | 4 Bed House145, Belmont Road, Harrow, HA3 7PL145, Belmont Road, Harrow, HA3 7PL
• Sold Apr 2021£815,000 | 4 Bed House37, Tenby Avenue, Harrow, HA3 8RU37, Tenby Avenue, Harrow, HA3 8RU
• Sold Apr 2021£610,000 | 4 Bed House228, Kenmore Avenue, Harrow, HA3 8PS228, Kenmore Avenue, Harrow, HA3 8PS
• Sold Dec 2020£752,500 | 4 Bed House83, Grasmere Gardens, Harrow, HA3 7PS83, Grasmere Gardens, Harrow, HA3 7PS
• Sold Aug 2020£680,000 | 4 Bed House89, Grasmere Gardens, Harrow, HA3 7PS89, Grasmere Gardens, Harrow, HA3 7PS
• Sold Jan 2018£650,000 | 4 Bed House79, Radcliffe Road, Harrow, HA3 7QA79, Radcliffe Road, Harrow, HA3 7QA
• Sold May 2017£515,000 | 5 Bed House44, Borrowdale Avenue, Harrow, HA3 7PZ44, Borrowdale Avenue, Harrow, HA3 7PZ
• Sold Dec 2015£600,000 | 4 Bed House9, Grasmere Gardens, Harrow, HA3 7PS9, Grasmere Gardens, Harrow, HA3 7PS
• Sold Jun 2011£320,000 | 4 Bed House42, Borrowdale Avenue, Harrow, HA3 7PZ42, Borrowdale Avenue, Harrow, HA3 7PZ
• Sold Dec 2009£450,000 | 4 Bed House46, Borrowdale Avenue, Harrow, HA3 7PZ46, Borrowdale Avenue, Harrow, HA3 7PZ

Our analysis of the public data ranks 77, Grasmere Gardens, Harrow as the 9th largest and the 18th most expensive of the 85 addresses on Grasmere Gardens, Harrow, HA3.

Against the HA3 postcode district average, it is £197k 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.