Our Data Sources
4, Cowbridge Road, Harrow has 21 entries in the Land Registry, most recently in October 2025 and a single entry in the EPC database dated September 2019.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 4 out of 5 and is considered of high accuracy.
1Sales dated prior to 2007 are shown, but are not used in our calculations.
Price Range & Condition
In very good condition, we estimate 4, Cowbridge Road, Harrow would be worth £503,606, with a potential rental value of £2,377 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £446,051, with a rental value of £2,105 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
4, Cowbridge Road, Harrow occupies a 203 m2 plot as recorded by HM Land Registry.
Of the 45 other houses in this postcode, 44 have recorded plot sizes, and this one ranks as the 41st largest.
Energy Efficiency
4, Cowbridge Road, Harrow has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 14 Sep 2019.
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
4, Cowbridge Road, Harrow last changed hands on 16th October 2025, selling for £490,000. The transaction was logged as a freehold house by HM Land Registry.
In total it has sold twice since 1995.
The market for similar properties has risen by 0.2% since October 2025.
- Sold Oct 2025£490,000
- Sold Nov 2001£180,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 130 sales of comparable properties within 480 metres of 4, Cowbridge Road, Harrow since 2013.
Most recently, 175, St. Pauls Avenue, Harrow, HA3 9PT, a freehold house, sold at £600,000 on the 21st January 2026.
Read more about house prices in HA3.
- Sold Jan 2026£600,000 | 3 Bed House175, St. Pauls Avenue, Harrow, HA3 9PT175, St. Pauls Avenue, Harrow, HA3 9PT
- Sold Jul 2025£590,000 | 3 Bed House177, Princes Avenue, London, NW9 9QS177, Princes Avenue, London, NW9 9QS
- Sold Jun 2025£500,000 | 3 Bed House7, Elmcroft Gardens, London, NW9 9QP7, Elmcroft Gardens, London, NW9 9QP
- Sold Mar 2025£535,000 | 3 Bed House161, Princes Avenue, London, NW9 9QS161, Princes Avenue, London, NW9 9QS
- Sold Oct 2024£535,000 | 3 Bed House56, Ruskin Gardens, Harrow, HA3 9QE56, Ruskin Gardens, Harrow, HA3 9QE
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 £538,151, ranging from £462,979 to £692,546.
- 6 Cowbridge Road
4 Bed House | 5 m | Est. Value: £522,674
- 2 Cowbridge Road
4 Bed House | 6 m | Est. Value: £538,270
- 62 Ruskin Gardens
3 Bed House | 30 m | Est. Value: £462,979
- 71 Ruskin Gardens
3 Bed House | 35 m | Est. Value: £536,587
- 60A Ruskin Gardens
4 Bed House | 35 m | Est. Value: £540,843
Location Comparison
Our analysis of the public data ranks 4, Cowbridge Road, Harrow as the 14th largest and the 16th most expensive of the 49 addresses on Cowbridge Road, Harrow, HA3.
Against the HA3 postcode district average, it is £31k less expensive than the typical property.
More reading links
Schools Nearby
- St Bernadette's Catholic Primary School400 m away
- Glebe Primary School800 m away
- Roe Green Junior School900 m away
- Kingsbury High School700 m away
- Claremont High School800 m away
- JFS900 m away
More reading links
Public Transport Nearby
- Queensbury|600 m away
- Kingsbury|600 m away
- Preston Road|2.1 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.
