Our Data Sources
4, Northwick Circle, Harrow has no records in the the Land Registry and a single entry in the EPC database dated November 2025.
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.
Price Range & Condition
Decorative condition can have a big effect on a property's value and this effect varies depending on the type, size and location of the property.
If 4, Northwick Circle, Harrow is in very good condition we estimate a sale value of £1,184,311 and a rental value of £3,768 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £1,048,961 and a rental value of £3,337 per month.
Plot Size
According to data from HM Land Registry, 4, Northwick Circle, Harrow sits on a plot of 702 m2.
We have plot size data on 4 out of 4 other houses in the postcode and 4, Northwick Circle, Harrow sits on the 2nd largest plot.
Energy Efficiency
4, Northwick Circle, Harrow has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 25 Nov 2025.
The property is connected to mains gas and has high performance glazing. It is heated using Boiler and radiators, mains gas.
Similar Properties Sold Nearby
According to the Land Registry and our network of Estate Agents, there have been 23 sales of properties similar to 4, Northwick Circle, Harrow within a radius of 600 metres over the last 2 years.
The most recent example is 251, Kenton Road, Harrow, HA3 0HQ, a freehold house which sold for £850,000 on the 6th October 2025.
Read more about house prices in HA3.
- Sold Oct 2025£850,000 | 5 Bed House251, Kenton Road, Harrow, HA3 0HQ251, Kenton Road, Harrow, HA3 0HQ
- Sold May 2024£885,000 | 5 Bed House8, The Ridgeway, Harrow, HA3 0LL8, The Ridgeway, Harrow, HA3 0LL
- Sold Apr 2020£850,000 | 5 Bed House40, The Ridgeway, Harrow, HA3 0LL40, The Ridgeway, Harrow, HA3 0LL
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
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Location Comparison
Northwick Circle, Harrow, HA3 has a total of 34 addresses. According to our analysis of all the public data, 4, Northwick Circle, Harrow is the 31st largest and the 34th most expensive property on the street.
When compared to the postcode district it is £617k more expensive than the average property in HA3.
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Schools Nearby
- Mount Stewart Infant School800 m away
- Mount Stewart Junior School900 m away
- Uxendon Manor Primary School1.0 km away
- St Gregory's Catholic Science College500 m away
- Harrow High School1.1 km away
- Claremont High School1.3 km away
More reading links
Public Transport Nearby
- Kenton|400 m away
- Northwick Park|500 m away
Risk of Flooding
According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.












