Our Data Sources
39, Sefton Avenue, Harrow has a single entry in the Land Registry from March 2018 and a single entry in the EPC database dated January 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
In very good condition, we estimate 39, Sefton Avenue, Harrow would be worth £520,822, with a potential rental value of £2,337 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £461,299, with a rental value of £2,070 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
39, Sefton Avenue, Harrow occupies a 213 m2 plot as recorded by HM Land Registry.
Of the 24 other houses in this postcode, 22 have recorded plot sizes, and this one ranks as the 20th largest.
Energy Efficiency
39, Sefton Avenue, Harrow has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 25 Jan 2023.
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
39, Sefton Avenue, Harrow last changed hands on 16th March 2018, selling for £385,000. The transaction was logged as a freehold house by HM Land Registry.
That is its only recorded sale since 1995.
The market for similar properties has risen by 9.4% since March 2018.
- Sold Mar 2018£385,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 276 sales of comparable properties within 430 metres of 39, Sefton Avenue, Harrow since 2021.
Most recently, 16, Stox Mead, Harrow, HA3 5JX, a freehold house, sold at £535,000 on the 16th June 2026.
Read more about house prices in HA3.
- Sold Jun 2026£535,000 | 3 Bed House16, Stox Mead, Harrow, HA3 5JX16, Stox Mead, Harrow, HA3 5JX
- Sold Apr 2026£540,000 | 3 Bed House29, Weald Lane, Harrow, HA3 5EU29, Weald Lane, Harrow, HA3 5EU
- Sold Mar 2026£510,000 | 3 Bed House46, Clewer Crescent, Harrow, HA3 5PZ46, Clewer Crescent, Harrow, HA3 5PZ
- Sold Jan 2026£500,000 | 3 Bed House36, Hampden Road, Harrow, HA3 5PR36, Hampden Road, Harrow, HA3 5PR
- Sold Jun 2025£525,000 | 3 Bed House48, Clewer Crescent, Harrow, HA3 5PZ48, Clewer Crescent, Harrow, HA3 5PZ
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 £456,667, ranging from £235,615 to £599,374.
- 37 Sefton Avenue
3 Bed House | 5 m | Est. Value: £464,996
- 41 Sefton Avenue
3 Bed House | 8 m | Est. Value: £525,303
- 43 Sefton Avenue
3 Bed House | 13 m | Est. Value: £509,574
- 35 Sefton Avenue
4 Bed House | 15 m | Est. Value: £599,374
- 33 Sefton Avenue
3 Bed House | 22 m | Est. Value: £519,155
Location Comparison
Our analysis of the public data ranks 39, Sefton Avenue, Harrow as the 60th largest and the 59th most expensive of the 121 addresses on Sefton Avenue, Harrow, HA3.
Against the HA3 postcode district average, it is £16k less expensive than the typical property.
More reading links
Schools Nearby
- Cedars Manor School600 m away
- St Teresa's Catholic Primary School and Nursery800 m away
- Pinner Park Primary School1.1 km away
- Salvatorian Roman Catholic College500 m away
- The Sacred Heart Language College700 m away
- Hatch End High School900 m away
More reading links
Public Transport Nearby
- Headstone Lane|800 m away
- Harrow & Wealdstone|1.3 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.












