Our Data Sources
Flat 4, 18, Butler Avenue, Harrow has 2 entries in the Land Registry , most recently in October 2025 and a single entry in the EPC database dated March 2023.
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.
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 Flat 4, 18, Butler Avenue, Harrow, we estimate a market value of £236,140 and a rental value of £1,309 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £209,153 and £1,159 per month respectively.
Energy Efficiency
Flat 4, 18, Butler Avenue, Harrow has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 03 Mar 2023.
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 Flat 4, 18, Butler Avenue, Harrow completed on 29th October 2025 at £210,000 and was recorded by HM Land Registry as a leasehold flat.
Since 1995 the property has sold twice.
Values of comparable properties have risen by 9.9% over the period since October 2025.
- Sold Oct 2025£210,000
- Sold Oct 2013£184,500
Similar Properties Sold Nearby
Over the past 2 years 40 properties similar to Flat 4, 18, Butler Avenue, Harrow have sold within a radius of 350 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 6th March 2026, was Flat 2, 18, Butler Avenue, Harrow, HA1 4ER, a leasehold flat which sold for £240,000.
Read more about house prices in HA1.
- Sold Mar 2026£240,000 | 1 Bed FlatFlat 2, 18, Butler Avenue, Harrow, HA1 4ERFlat 2, 18, Butler Avenue, Harrow, HA1 4ER
- Sold Jun 2023£265,000 | 1 Bed FlatFlat 3, 1, Butler Avenue, Harrow, HA1 4EJFlat 3, 1, Butler Avenue, Harrow, HA1 4EJ
- Sold Jul 2019£185,000 | 1 Bed FlatFlat E, 37, Butler Avenue, Harrow, HA1 4EJFlat E, 37, Butler Avenue, Harrow, HA1 4EJ
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
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Location Comparison
Of the 81 addresses on Butler Avenue, Harrow, HA1, Flat 4, 18, Butler Avenue, Harrow comes out as the 75th largest and the 75th most expensive in our analysis of the public data.
It is also £245k less expensive than the average property across the HA1 district.
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Schools Nearby
- St Anselm's Catholic Primary School400 m away
- Norbury School600 m away
- Vaughan Primary School700 m away
- Whitmore High School900 m away
- Harrow High School1.2 km away
- Nower Hill High School1.9 km away
More reading links
Public Transport Nearby
- Harrow-on-the-Hill|500 m away
- West Harrow|600 m away
- North Harrow|1.4 km away
Risk of Flooding
The flood risk here is rated Very Low, based on Environment Agency data.












