Our Data Sources
55, Sefton Avenue, Harrow has no recent1 records in the Land Registry and a single entry in the EPC database dated April 2012.
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.
1Sales dated prior to 2007 are shown, but are not used in our calculations.
Price Range & Condition
In very good condition, we estimate 55, Sefton Avenue, Harrow would be worth £581,879, with a potential rental value of £2,597 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £515,379, with a rental value of £2,300 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
55, Sefton Avenue, Harrow occupies a 270 m2 plot as recorded by HM Land Registry.
All 18 other houses in this postcode have recorded plot sizes, and this one ranks as the 5th largest.
Energy Efficiency
55, Sefton Avenue, Harrow has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 26 Apr 2012.
The property is connected to mains gas and has fully double glazed windows. It is heated using a boiler and underfloor heating (mains gas).
Sold Prices
55, Sefton Avenue, Harrow last changed hands on 26th April 2002, selling for £200,000. The transaction was logged as a freehold house by HM Land Registry.
In total it has sold 3 times since 1995.
- Sold Apr 2002£200,000
- Sold Jul 1998£118,500
- Sold Dec 1997£91,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 241 sales of comparable properties within 430 metres of 55, Sefton Avenue, Harrow since 2018.
Most recently, 29, Weald Lane, Harrow, HA3 5EU, a freehold house, sold at £540,000 on the 1st April 2026.
Read more about house prices in HA3.
- Sold Apr 2026£540,000 | 3 Bed House29, Weald Lane, Harrow, HA3 5EU29, Weald Lane, Harrow, HA3 5EU
- Sold Sep 2025£487,500 | 3 Bed House4, Clewer Crescent, Harrow, HA3 5PZ4, Clewer Crescent, Harrow, HA3 5PZ
- Sold Aug 2025£565,000 | 3 Bed House72, Weighton Road, Harrow, HA3 6HZ72, Weighton Road, Harrow, HA3 6HZ
- Sold Jul 2025£550,000 | 3 Bed House100, Long Elmes, Harrow, HA3 5JY100, Long Elmes, Harrow, HA3 5JY
- Sold Apr 2025£510,000 | 3 Bed House90, Weald Lane, Harrow, HA3 5EY90, Weald Lane, Harrow, HA3 5EY
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 £465,077, ranging from £197,332 to £589,742.
- 53 Sefton Avenue
4 Bed House | 6 m | Est. Value: £589,742
- 57 Sefton Avenue
3 Bed House | 7 m | Est. Value: £488,386
- 51 Sefton Avenue
3 Bed House | 16 m | Est. Value: £462,618
- 61 Sefton Avenue
3 Bed House | 24 m | Est. Value: £510,351
- 63 Sefton Avenue
3 Bed House | 30 m | Est. Value: £495,998
Location Comparison
Our analysis of the public data ranks 55, Sefton Avenue, Harrow as the 25th largest and the 23rd most expensive of the 121 addresses on Sefton Avenue, Harrow, HA3.
Against the HA3 postcode district average, it is £42k more 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.
