Our Data Sources
121, Courtenay Avenue, Harrow has no recent1 records in the the Land Registry and a single entry in the EPC database dated December 2025.
We combine this information with public data 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.
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 121, Courtenay Avenue, Harrow, we estimate a market value of £461,434 and a rental value of £2,385 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £408,699 and £2,112 per month respectively.
Plot Size
HM Land Registry records the plot of land for 121, Courtenay Avenue, Harrow as measuring 241 m2.
That makes it the 14th largest plot in the postcode, where 43 of the 55 other houses have recorded plot data.
Energy Efficiency
121, Courtenay Avenue, Harrow has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 19 Dec 2025.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
Sold Prices
The most recent sale of 121, Courtenay Avenue, Harrow completed on 5th December 1997 at £77,250 and was recorded by HM Land Registry as a freehold house.
Since 1995 this is the property's only sale.
- Sold Dec 1997£77,250
Similar Properties Sold Nearby
Over the past 2 years 227 properties similar to 121, Courtenay Avenue, Harrow have sold within a radius of 580 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 21st July 2025, was 32, Tillotson Road, Harrow, HA3 6PS, a freehold house which sold for £440,000.
Read more about house prices in HA3.
- Sold Jul 2025£440,000 | 3 Bed House32, Tillotson Road, Harrow, HA3 6PS32, Tillotson Road, Harrow, HA3 6PS
- Sold Nov 2024£417,000 | 3 Bed House114, Courtenay Avenue, Harrow, HA3 6LN114, Courtenay Avenue, Harrow, HA3 6LN
- Sold Oct 2024£448,000 | 3 Bed House91, Courtenay Avenue, Harrow, HA3 6LJ91, Courtenay Avenue, Harrow, HA3 6LJ
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Of the 182 addresses on Courtenay Avenue, Harrow, HA3, 121, Courtenay Avenue, Harrow comes out as the 110th largest and the 69th most expensive in our analysis of the public data.
It is also £71k less expensive than the average property across the HA3 district.
More reading links
Schools Nearby
- St Teresa's Catholic Primary School and Nursery100 m away
- Cedars Manor School200 m away
- Pinner Park Primary School1.0 km away
- Hatch End High School100 m away
- Salvatorian Roman Catholic College1.2 km away
- The Sacred Heart Language College1.4 km away
More reading links
Public Transport Nearby
- Headstone Lane|400 m away
- Hatch End|1.1 km away
Available Internet Speeds
Broadband here reaches superfast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Superfast Broadband is available in the area.
Risk of Flooding
The flood risk here is rated Very Low, based on Environment Agency data.












