Our Data Sources
123, Sefton Avenue, Harrow has no records in the Land Registry and a single entry in the EPC database dated October 2018.
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.
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 123, Sefton Avenue, Harrow is in very good condition we estimate a sale value of £306,409 and a rental value of £1,723 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £271,391 and a rental value of £1,526 per month.
Energy Efficiency
123, Sefton Avenue, Harrow has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 30 Oct 2018.
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 92 sales of properties similar to 123, Sefton Avenue, Harrow within a radius of 460 metres since 2016.
The most recent example is Flat 5, Leonard Court 100, College Road, Harrow, HA3 6EA, a leasehold flat which sold for £100,000 on the 17th December 2025.
Read more about house prices in HA3.
- Sold Dec 2025£100,000 | 2 Bed FlatFlat 5, Leonard Court 100, College Road, Harrow, HA3 6EAFlat 5, Leonard Court 100, College Road, Harrow, HA3 6EA
- Sold Dec 2025£325,000 | 3 Bed FlatFlat 13, Orchid Court 286, High Road, Harrow, HA3 7BDFlat 13, Orchid Court 286, High Road, Harrow, HA3 7BD
- Sold Oct 2024£355,000 | 2 Bed FlatFlat 1, 90, Sefton Avenue, Harrow, HA3 5JRFlat 1, 90, Sefton Avenue, Harrow, HA3 5JR
- Sold Oct 2023£325,000 | 2 Bed Flat115, Sefton Avenue, Harrow, HA3 5JP115, Sefton Avenue, Harrow, HA3 5JP
- Sold Oct 2023£305,000 | 3 Bed FlatFlat 16, Orchid Court 286, High Road, Harrow, HA3 7BDFlat 16, Orchid Court 286, High Road, Harrow, HA3 7BD
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 £244,123, ranging from £207,597 to £328,341.
- 125 Sefton Avenue
2 Bed Flat | 5 m | Est. Value: £261,062
- 127 Sefton Avenue
3 Bed Flat | 5 m | Est. Value: £328,341
- 133 Sefton Avenue
2 Bed Flat | 21 m | Est. Value: £241,813
- 129 Sefton Avenue
2 Bed Flat | 21 m | Est. Value: £238,968
- 135 Sefton Avenue
2 Bed Flat | 21 m | Est. Value: £244,632
Location Comparison
Sefton Avenue, Harrow, HA3 has a total of 121 addresses. According to our analysis of all the public data, 123, Sefton Avenue, Harrow is the 79th largest and the 101st most expensive property on the street.
When compared to the postcode district it is £220k less expensive than the average property in HA3.
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
According to recent data from Ofcom, Superfast Broadband is available in this area.
According to recent data from Ofcom, Superfast 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.





