Our Data Sources
137, Sefton Avenue, Harrow has no recent1 records in the Land Registry and a single entry in the EPC database dated April 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 137, Sefton Avenue, Harrow would be worth £217,977, with a potential rental value of £1,277 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £193,066, with a rental value of £1,131 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Energy Efficiency
137, Sefton Avenue, Harrow has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 15 Apr 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
137, Sefton Avenue, Harrow last changed hands on 7th October 2002, selling for £114,950. The transaction was logged as a leasehold flat by HM Land Registry.
That is its only recorded sale since 1995.
- Sold Oct 2002£114,950
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 24 sales of comparable properties within 450 metres of 137, Sefton Avenue, Harrow since 2013.
Most recently, Flat 2, Barnview Lodge 29, College Road, Harrow, HA3 6EH, a leasehold flat, sold at £236,000 on the 10th January 2025.
Read more about house prices in HA3.
- Sold Jan 2025£236,000 | 1 Bed FlatFlat 2, Barnview Lodge 29, College Road, Harrow, HA3 6EHFlat 2, Barnview Lodge 29, College Road, Harrow, HA3 6EH
- Sold May 2023£229,500 | 1 Bed Flat4A, Stanhope Avenue, Harrow, HA3 5JW4A, Stanhope Avenue, Harrow, HA3 5JW
- Sold Dec 2022£225,000 | 1 Bed FlatFlat 12, Barnview Lodge 29, College Road, Harrow, HA3 6EHFlat 12, Barnview Lodge 29, College Road, Harrow, HA3 6EH
- Sold Jun 2020£214,000 | 1 Bed FlatFlat 4, 36, College Road, Harrow, HA3 6EBFlat 4, 36, College Road, Harrow, HA3 6EB
- Sold Sep 2019£120,000 | 1 Bed FlatFlat 9, Barnview Lodge 29, College Road, Harrow, HA3 6EHFlat 9, Barnview Lodge 29, College Road, Harrow, HA3 6EH
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 £227,553, ranging from £168,126 to £328,341.
- 133 Sefton Avenue
2 Bed Flat | 0 m | Est. Value: £241,813
- 129 Sefton Avenue
2 Bed Flat | 0 m | Est. Value: £238,968
- 135 Sefton Avenue
2 Bed Flat | 0 m | Est. Value: £244,632
- 139 Sefton Avenue
2 Bed Flat | 0 m | Est. Value: £238,968
- 131 Sefton Avenue
2 Bed Flat | 0 m | Est. Value: £238,968
Location Comparison
Our analysis of the public data ranks 137, Sefton Avenue, Harrow as the 119th largest and the 120th most expensive of the 121 addresses on Sefton Avenue, Harrow, HA3.
Against the HA3 postcode district average, it is £304k less expensive than the typical property.
More reading links
Schools Nearby
- Cedars Manor School700 m away
- Weald Rise Primary School800 m away
- St Teresa's Catholic Primary School and Nursery900 m away
- Salvatorian Roman Catholic College400 m away
- The Sacred Heart Language College600 m away
- Hatch End High School1.0 km away
More reading links
Public Transport Nearby
- Headstone Lane|1.0 km away
- Harrow & Wealdstone|1.4 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.












