Our Data Sources
18, Sefton Avenue, Harrow has no records in the Land Registry and a single entry in the EPC database dated March 2021.
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
The condition of a property plays an important role in determining its value, with the degree of impact varying by property type, size and location.
For 18, Sefton Avenue, Harrow, we estimate a market value of £473,634 and a rental value of £2,141 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £419,504 and £1,897 per month respectively.
Plot Size
HM Land Registry records the plot of land for 18, Sefton Avenue, Harrow as measuring 269 m2.
That makes it the 14th largest plot in the postcode, where all 19 other houses have recorded plot data.
Energy Efficiency
18, Sefton Avenue, Harrow has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 11 Mar 2021.
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
Since 2016 69 properties similar to 18, Sefton Avenue, Harrow have sold within a radius of 420 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 19th June 2025, was 125, Weald Lane, Harrow, HA3 5HB, a leasehold house which sold for £475,000.
Read more about house prices in HA3.
- Sold Jun 2025£475,000 | 3 Bed House125, Weald Lane, Harrow, HA3 5HB125, Weald Lane, Harrow, HA3 5HB
- Sold Mar 2025£511,000 | 3 Bed House114, Hampden Road, Harrow, HA3 5PR114, Hampden Road, Harrow, HA3 5PR
- Sold Mar 2025£487,000 | 3 Bed House89, Hampden Road, Harrow, HA3 5PS89, Hampden Road, Harrow, HA3 5PS
- Sold Oct 2024£430,000 | 3 Bed House110, Hampden Road, Harrow, HA3 5PR110, Hampden Road, Harrow, HA3 5PR
- Sold Sep 2024£460,000 | 3 Bed House67, Hampden Road, Harrow, HA3 5PS67, Hampden Road, Harrow, HA3 5PS
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 £501,350, ranging from £289,578 to £649,974.
- 20 Sefton Avenue
4 Bed House | 6 m | Est. Value: £615,851
- 16 Sefton Avenue
3 Bed House | 13 m | Est. Value: £482,256
- 22 Sefton Avenue
3 Bed House | 16 m | Est. Value: £576,194
- 14 Sefton Avenue
3 Bed House | 17 m | Est. Value: £549,410
- 24 Sefton Avenue
3 Bed House | 22 m | Est. Value: £477,352
Location Comparison
Of the 121 addresses on Sefton Avenue, Harrow, HA3, 18, Sefton Avenue, Harrow comes out as the 111th largest and the 85th most expensive in our analysis of the public data.
It is also £60k less expensive than the average property across the HA3 district.
More reading links
Schools Nearby
- Cedars Manor School600 m away
- St Teresa's Catholic Primary School and Nursery800 m away
- Weald Rise Primary School1.1 km away
- Salvatorian Roman Catholic College400 m away
- The Sacred Heart Language College600 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
Broadband here reaches ultrafast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Ultrafast Broadband available in this area.
Risk of Flooding
The flood risk here is rated Very Low, based on Environment Agency data.
