Our Data Sources
17, St. Leonards Avenue, Harrow has no recent1 records in the Land Registry and a single entry in the EPC database dated April 2025.
We combine this information with public data of neighbouring properties to estimate the property attributes and values.
The local information is scored as 1 out of 5 and is considered of low accuracy.
1Sales dated prior to 2007 are shown, but are not used in our calculations.
Price Range & Condition
The condition of a property plays an important role in determining its value, with the degree of impact varying by property type, size and location.
For 17, St. Leonards Avenue, Harrow, we estimate a market value of £773,285 and a rental value of £3,039 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £684,910 and £2,692 per month respectively.
Plot Size
HM Land Registry records the plot of land for 17, St. Leonards Avenue, Harrow as measuring 703 m2.
That makes it the 4th largest plot in the postcode, where 11 of the 13 other houses have recorded plot data.
Energy Efficiency
17, St. Leonards Avenue, Harrow has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 02 Apr 2025.
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
The most recent sale of 17, St. Leonards Avenue, Harrow completed on 9th February 2004 at £415,000 and was recorded by HM Land Registry as a freehold house.
Since 1995 the property has sold twice.
- Sold Feb 2004£415,000
- Sold Feb 1996£130,000
Similar Properties Sold Nearby
Since 2020 155 properties similar to 17, St. Leonards Avenue, Harrow have sold within a radius of 550 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 19th December 2025, was 17, Becmead Avenue, Harrow, HA3 8HD, a freehold house which sold for £780,000.
Read more about house prices in HA3.
- Sold Dec 2025£780,000 | 4 Bed House17, Becmead Avenue, Harrow, HA3 8HD17, Becmead Avenue, Harrow, HA3 8HD
- Sold Dec 2025£780,000 | 4 Bed House101, Elmsleigh Avenue, Harrow, HA3 8HY101, Elmsleigh Avenue, Harrow, HA3 8HY
- Sold Oct 2025£710,000 | 4 Bed House8, Brampton Grove, Harrow, HA3 8LG8, Brampton Grove, Harrow, HA3 8LG
- Sold Oct 2025£730,000 | 4 Bed House5, Alicia Close, Harrow, HA3 8HP5, Alicia Close, Harrow, HA3 8HP
- Sold Aug 2025£638,000 | 4 Bed House50, Brampton Grove, Harrow, HA3 8LF50, Brampton Grove, Harrow, HA3 8LF
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 £687,460, ranging from £527,999 to £947,616.
- 21 St. Leonards Avenue
4 Bed House | 17 m | Est. Value: £622,269
- 23 St. Leonards Avenue
4 Bed House | 23 m | Est. Value: £676,514
- 6 St. Leonards Avenue
4 Bed House | 53 m | Est. Value: £590,622
- 58 Hillbury Avenue
4 Bed House | 57 m | Est. Value: £759,740
- 12 St. Leonards Avenue
5 Bed House | 63 m | Est. Value: £947,616
Location Comparison
Of the 19 addresses on St. Leonards Avenue, Harrow, HA3, 17, St. Leonards Avenue, Harrow comes out as the 4th largest and the 3rd most expensive in our analysis of the public data.
It is also £226k more expensive than the average property across the HA3 district.
More reading links
Schools Nearby
- Elmgrove Primary School & Nursery800 m away
- Uxendon Manor Primary School1.0 km away
- Priestmead Primary School and Nursery1.0 km away
- St Gregory's Catholic Science College600 m away
- Claremont High School1.2 km away
- Harrow High School1.3 km away
More reading links
Public Transport Nearby
- Kenton|700 m away
- Northwick Park|1.0 km away
- Harrow & Wealdstone|1.7 km away
Available Internet Speeds
Broadband here reaches ultrafast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Ultrafast Broadband available in this area.
Risk of Flooding
The flood risk here is rated Very Low, based on Environment Agency data.












