According to data from HM Land Registry, 66, Grasmere Gardens, Harrow sits on a plot of 338 m².

We have plot size data on 18 out of 18 other houses in the postcode and 66, Grasmere Gardens, Harrow sits on the 9th largest plot.

66, Grasmere Gardens, Harrow has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 24 Oct 2024.

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, 66, Grasmere Gardens, Harrow was last sold on 20th January 2009 for £249,000 and was recorded as a freehold house.

The property has only had this single sale since 1995.

Since January 2009, the market for similar properties has risen by 117.2%.

• Sold Jan 2009£249,000

According to the Land Registry and our network of Estate Agents, there have been 25 sales of properties similar to 66, Grasmere Gardens, Harrow within a radius of 510 metres since 2007.

The most recent example is 79, Grasmere Gardens, Harrow, HA3 7PS, a freehold house which sold for £738,000 on the 21st October 2025.

Read more about house prices in HA3.

• Sold Oct 2025£738,000 | 4 Bed House79, Grasmere Gardens, Harrow, HA3 7PS79, Grasmere Gardens, Harrow, HA3 7PS
• Sold Jan 2025£565,000 | 4 Bed House44, Kenmore Avenue, Harrow, HA3 8PJ44, Kenmore Avenue, Harrow, HA3 8PJ
• Sold Oct 2024£363,000 | 4 Bed House184, Kenmore Avenue, Harrow, HA3 8PR184, Kenmore Avenue, Harrow, HA3 8PR
• Sold Sep 2024£665,000 | 4 Bed House3, Irvine Avenue, Harrow, HA3 8QE3, Irvine Avenue, Harrow, HA3 8QE
• Sold Dec 2023£572,000 | 4 Bed House77, Kingshill Drive, Harrow, HA3 8QF77, Kingshill Drive, Harrow, HA3 8QF
• Sold Sep 2023£573,000 | 4 Bed House41, Grasmere Gardens, Harrow, HA3 7PS41, Grasmere Gardens, Harrow, HA3 7PS
• Sold Feb 2022£214,000 | 4 Bed House20, Stuart Road, Harrow, HA3 7QZ20, Stuart Road, Harrow, HA3 7QZ
• Sold Nov 2021£620,000 | 4 Bed House135, Locket Road, Harrow, HA3 7NY135, Locket Road, Harrow, HA3 7NY
• Sold Sep 2021£435,000 | 4 Bed House23, Dobbin Close, Harrow, HA3 7LP23, Dobbin Close, Harrow, HA3 7LP
• Sold Jun 2021£545,000 | 4 Bed House53, Belmont Road, Harrow, HA3 7PJ53, Belmont Road, Harrow, HA3 7PJ
• Sold Jun 2021£580,000 | 4 Bed House21, Irvine Avenue, Harrow, HA3 8QE21, Irvine Avenue, Harrow, HA3 8QE
• Sold Jun 2021£560,000 | 4 Bed House211, Kenmore Avenue, Harrow, HA3 8PB211, Kenmore Avenue, Harrow, HA3 8PB
• Sold Nov 2019£300,000 | 4 Bed House50, Grasmere Gardens, Harrow, HA3 7PT50, Grasmere Gardens, Harrow, HA3 7PT
• Sold Nov 2018£575,000 | 4 Bed House196, Kenmore Avenue, Harrow, HA3 8PR196, Kenmore Avenue, Harrow, HA3 8PR
• Sold Feb 2018£572,000 | 4 Bed House181, Kenmore Avenue, Harrow, HA3 8PB181, Kenmore Avenue, Harrow, HA3 8PB
• Sold May 2015£472,500 | 4 Bed House3, Stuart Road, Harrow, HA3 7RF3, Stuart Road, Harrow, HA3 7RF
• Sold Nov 2013£447,500 | 4 Bed House143, Belmont Road, Harrow, HA3 7PL143, Belmont Road, Harrow, HA3 7PL
• Sold Feb 2011£360,000 | 4 Bed House2A, Stuart Road, Harrow, HA3 7QZ2A, Stuart Road, Harrow, HA3 7QZ
• Sold Jul 2010£295,000 | 4 Bed House22, Dobbin Close, Harrow, HA3 7LP22, Dobbin Close, Harrow, HA3 7LP
• Sold Jun 2007£382,000 | 4 Bed House81, Grasmere Gardens, Harrow, HA3 7PS81, Grasmere Gardens, Harrow, HA3 7PS

Grasmere Gardens, Harrow, HA3 has a total of 85 addresses. According to our analysis of all the public data, 66, Grasmere Gardens, Harrow is the 19th largest and the 57th most expensive property on the street.

When compared to the postcode district it is £27k more expensive than the average property in HA3.

• St Joseph's Catholic Primary School

  300 m away
• Belmont School

  500 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

  |

  900 m away
• Kenton

  |

  1.7 km away

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