Our Data Sources
41, Sefton Avenue, Harrow has a single entry in the Land Registry from September 2016 and a single entry in the EPC database dated April 2016.
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
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 41, Sefton Avenue, Harrow is in very good condition we estimate a sale value of £551,568 and a rental value of £2,442 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £488,532 and a rental value of £2,163 per month.
Plot Size
According to data from HM Land Registry, 41, Sefton Avenue, Harrow sits on a plot of 231 m2.
We have plot size data on 22 out of 24 other houses in the postcode and 41, Sefton Avenue, Harrow sits on the 18th largest plot.
Energy Efficiency
41, Sefton Avenue, Harrow has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 04 Apr 2016.
The property is connected to mains gas and has mostly double glazing. It is heated using a boiler and radiators (mains gas).
Sold Prices
According to HM Land Registry, 41, Sefton Avenue, Harrow was last sold on 29th September 2016 for £455,000 and was recorded as a freehold house.
The property has only had this single sale since 1995.
Since September 2016, the market for similar properties has risen by 9.3%.
- Sold Sep 2016£455,000
Similar Properties Sold Nearby
According to the Land Registry and our network of Estate Agents, there have been 293 sales of properties similar to 41, Sefton Avenue, Harrow within a radius of 430 metres since 2016.
The most recent example is 16, Stox Mead, Harrow, HA3 5JX, a freehold house which sold for £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 Feb 2026£555,000 | 3 Bed House48, Toorack Road, Harrow, HA3 5HU48, Toorack Road, Harrow, HA3 5HU
- Sold Sep 2025£487,500 | 3 Bed House4, Clewer Crescent, Harrow, HA3 5PZ4, 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 £450,553, ranging from £235,615 to £599,374.
- 43 Sefton Avenue
3 Bed House | 5 m | Est. Value: £509,574
- 39 Sefton Avenue
3 Bed House | 8 m | Est. Value: £496,021
- 37 Sefton Avenue
3 Bed House | 13 m | Est. Value: £464,996
- 45 Sefton Avenue
3 Bed House | 16 m | Est. Value: £544,331
- 47 Sefton Avenue
3 Bed House | 22 m | Est. Value: £524,977
Location Comparison
Sefton Avenue, Harrow, HA3 has a total of 121 addresses. According to our analysis of all the public data, 41, Sefton Avenue, Harrow is the 41st largest and the 31st most expensive property on the street.
When compared to the postcode district it is £13k more expensive than the average property in HA3.
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
According to recent data from Ofcom, Ultrafast Broadband is available in this area.
According to recent data from Ofcom, Ultrafast Broadband available in this area.
Risk of Flooding
According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.





