Our Data Sources
9A, Frognal Avenue, Harrow has no recent1 records in the Land Registry and a single entry in the EPC database dated March 2026.
We combine this information with public data of neighbouring properties to estimate the property attributes and values.
The local information is scored as 3 out of 5 and is considered of medium accuracy.
1Sales dated prior to 2007 are shown, but are not used in our calculations.
Price Range & Condition
In very good condition, we estimate 9A, Frognal Avenue, Harrow would be worth £303,909, with a potential rental value of £1,748 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £269,177, with a rental value of £1,548 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Energy Efficiency
9A, Frognal Avenue, Harrow has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 30 Mar 2026.
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
9A, Frognal Avenue, Harrow last changed hands on 18th October 1996, selling for £42,500. The transaction was logged as a leasehold flat by HM Land Registry.
That is its only recorded sale since 1995.
- Sold Oct 1996£42,500
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 118 sales of comparable properties within 420 metres of 9A, Frognal Avenue, Harrow since 2017.
Most recently, 78, Rosslyn Crescent, Harrow, HA1 2RZ, a leasehold flat, sold at £300,000 on the 9th December 2025.
Read more about house prices in HA1.
- Sold Dec 2025£300,000 | 2 Bed Flat78, Rosslyn Crescent, Harrow, HA1 2RZ78, Rosslyn Crescent, Harrow, HA1 2RZ
- Sold Apr 2025£255,000 | 2 Bed Flat82B, Station Road, Harrow, HA1 2RX82B, Station Road, Harrow, HA1 2RX
- Sold Feb 2025£352,000 | 2 Bed Flat38, Glenwood Close, Harrow, HA1 2QL38, Glenwood Close, Harrow, HA1 2QL
- Sold Dec 2024£345,000 | 2 Bed FlatFlat 13, Diya Court 31, Rosslyn Crescent, Harrow, HA1 2SAFlat 13, Diya Court 31, Rosslyn Crescent, Harrow, HA1 2SA
- Sold Dec 2024£334,000 | 2 Bed FlatFlat 2, Diya Court 31, Rosslyn Crescent, Harrow, HA1 2SAFlat 2, Diya Court 31, Rosslyn Crescent, Harrow, HA1 2SA
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 £293,458, ranging from £265,697 to £484,658.
- Flat 1, 9 Frognal Avenue
2 Bed Flat | 0 m | Est. Value: £276,452
- Flat 2, 9 Frognal Avenue
2 Bed Flat | 0 m | Est. Value: £279,479
- Flat A
1 Bed Flat | 4 m | Est. Value: £267,107
- Flat B
2 Bed Flat | 4 m | Est. Value: £265,697
- 5 Frognal Avenue
1 Bed Flat | 9 m | Est. Value: £267,107
Location Comparison
Our analysis of the public data ranks 9A, Frognal Avenue, Harrow as the 50th largest and the 45th most expensive of the 60 addresses on Frognal Avenue, Harrow, HA1.
Against the HA1 postcode district average, it is £179k less expensive than the typical property.
More reading links
Schools Nearby
- Saint Jerome Church of England Bilingual School400 m away
- Elmgrove Primary School & Nursery600 m away
- Marlborough Primary School600 m away
- Harrow High School1.0 km away
- The Sacred Heart Language College1.3 km away
- Salvatorian Roman Catholic College1.4 km away
More reading links
Public Transport Nearby
- Harrow & Wealdstone|400 m away
- Harrow-on-the-Hill|1.1 km away
Available Internet Speeds
Ofcom's latest figures show superfast broadband available in this area.
According to recent data from Ofcom, Superfast Broadband available in this area.
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.












