Our Data Sources
9, Grasmere Gardens, Harrow has a single entry in the Land Registry from December 2015 and a single entry in the EPC database dated October 2015.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 5 out of 5 and is considered of high accuracy.
Price Range & Condition
In very good condition, we estimate 9, Grasmere Gardens, Harrow would be worth £713,034, with a potential rental value of £3,179 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £631,544, with a rental value of £2,815 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
9, Grasmere Gardens, Harrow occupies a 357 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 34th largest.
Energy Efficiency
9, Grasmere Gardens, Harrow has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 06 Oct 2015.
The property is connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).
Sold Prices
9, Grasmere Gardens, Harrow last changed hands on 16th December 2015, selling for £600,000. 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 23.4% since December 2015.
- Sold Dec 2015£600,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 61 sales of comparable properties within 460 metres of 9, Grasmere Gardens, Harrow since 2018.
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 Oct 2025£710,000 | 4 Bed House77, Grasmere Gardens, Harrow, HA3 7PS77, Grasmere Gardens, Harrow, HA3 7PS
- Sold Oct 2025£710,000 | 4 Bed House517, Kenton Lane, Harrow, HA3 7JW517, Kenton Lane, Harrow, HA3 7JW
- Sold Jun 2025£685,000 | 4 Bed House270, Kenmore Avenue, Harrow, HA3 8PS270, Kenmore Avenue, Harrow, HA3 8PS
- Sold Mar 2025£556,500 | 4 Bed House63, Elgin Avenue, Harrow, HA3 8QN63, Elgin Avenue, Harrow, HA3 8QN
Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Explore Nearby Properties
The surrounding properties have an average estimated value of £571,385, ranging from £483,599 to £694,480.
- 11 Grasmere Gardens
4 Bed House | 7 m | Est. Value: £637,919
- 5 Grasmere Gardens
3 Bed House | 15 m | Est. Value: £543,765
- 13 Grasmere Gardens
4 Bed House | 16 m | Est. Value: £586,574
- 8 Grasmere Gardens
3 Bed House | 34 m | Est. Value: £580,684
- 17 Grasmere Gardens
4 Bed House | 35 m | Est. Value: £694,480
Location Comparison
Our analysis of the public data ranks 9, Grasmere Gardens, Harrow as the 13th largest and the 23rd most expensive of the 85 addresses on Grasmere Gardens, Harrow, HA3.
Against the HA3 postcode district average, it is £168k more expensive than the typical property.
More reading links
Schools Nearby
- St Joseph's Catholic Primary School200 m away
- Belmont School400 m away
- Priestmead Primary School and Nursery500 m away
- The Sacred Heart Language College1.0 km away
- Salvatorian Roman Catholic College1.2 km away
- Park High School1.4 km away
More reading links
Public Transport Nearby
- Harrow & Wealdstone|1.0 km away
- Kenton|1.8 km away
Available Internet Speeds
Ofcom's latest figures show ultrafast broadband available in this area.
According to recent data from Ofcom, Ultrafast Broadband available in this area.
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.












