Our Data Sources
35, Sefton Avenue, Harrow has no records in the Land Registry and a single entry in the EPC database dated June 2016.
We combine this information with public data 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 35, Sefton Avenue, Harrow is in very good condition we estimate a sale value of £629,343 and a rental value of £2,757 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £557,418 and a rental value of £2,442 per month.
Plot Size
According to data from HM Land Registry, 35, Sefton Avenue, Harrow sits on a plot of 291 m2.
We have plot size data on 22 out of 24 other houses in the postcode and 35, Sefton Avenue, Harrow sits on the 10th largest plot.
Energy Efficiency
35, Sefton Avenue, Harrow has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 10 Jun 2016.
The property is connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).
Similar Properties Sold Nearby
According to the Land Registry and our network of Estate Agents, there have been 152 sales of properties similar to 35, Sefton Avenue, Harrow within a radius of 430 metres since 2015.
The most recent example is 47, Weighton Road, Harrow, HA3 6HY, a freehold house which sold for £688,000 on the 9th June 2026.
Read more about house prices in HA3.
- Sold Jun 2026£688,000 | 4 Bed House47, Weighton Road, Harrow, HA3 6HY47, Weighton Road, Harrow, HA3 6HY
- Sold Sep 2025£487,500 | 3 Bed House4, Clewer Crescent, Harrow, HA3 5PZ4, Clewer Crescent, Harrow, HA3 5PZ
- Sold Sep 2025£642,000 | 4 Bed House32, Maricas Avenue, Harrow, HA3 6JA32, Maricas Avenue, Harrow, HA3 6JA
- Sold Aug 2025£565,000 | 3 Bed House72, Weighton Road, Harrow, HA3 6HZ72, Weighton Road, Harrow, HA3 6HZ
- Sold Aug 2025£625,000 | 4 Bed House26, Weighton Road, Harrow, HA3 6HZ26, Weighton Road, Harrow, HA3 6HZ
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 £507,048, ranging from £288,824 to £679,673.
- 33 Sefton Avenue
3 Bed House | 7 m | Est. Value: £519,155
- 37 Sefton Avenue
3 Bed House | 10 m | Est. Value: £464,996
- 39 Sefton Avenue
3 Bed House | 15 m | Est. Value: £496,021
- Flat 1, 31 Sefton Avenue
2 Bed Flat | 16 m | Est. Value: £311,459
- Flat 2, 31 Sefton Avenue
2 Bed Flat | 16 m | Est. Value: £288,824
Location Comparison
Sefton Avenue, Harrow, HA3 has a total of 121 addresses. According to our analysis of all the public data, 35, Sefton Avenue, Harrow is the 17th largest and the 14th most expensive property on the street.
When compared to the postcode district it is £87k 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.





