Our Data Sources
14, Sefton Avenue, Harrow has a single entry in the Land Registry from December 2022 and a single entry in the EPC database dated July 2022.
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
In very good condition, we estimate 14, Sefton Avenue, Harrow would be worth £576,881, with a potential rental value of £2,523 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £510,952, with a rental value of £2,234 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
14, Sefton Avenue, Harrow occupies a 275 m2 plot as recorded by HM Land Registry.
All 19 other houses in this postcode have recorded plot sizes, and this one ranks as the 10th largest.
Energy Efficiency
14, Sefton Avenue, Harrow has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 11 Jul 2022.
The property is connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).
Sold Prices
14, Sefton Avenue, Harrow last changed hands on 14th December 2022, selling for £520,000. The transaction was logged as a freehold house by HM Land Registry.
That is its only recorded sale since 1995.
The market for similar properties has dropped by 3.6% since December 2022.
- Sold Dec 2022£520,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 283 sales of comparable properties within 420 metres of 14, 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 Mar 2026£510,000 | 3 Bed House46, Clewer Crescent, Harrow, HA3 5PZ46, Clewer Crescent, Harrow, HA3 5PZ
- Sold Nov 2025£600,000 | 3 Bed House135, Hampden Road, Harrow, HA3 5PS135, Hampden Road, Harrow, HA3 5PS
- Sold Sep 2025£487,500 | 3 Bed House4, Clewer Crescent, Harrow, HA3 5PZ4, Clewer Crescent, Harrow, HA3 5PZ
- Sold Jul 2025£550,000 | 3 Bed House100, Long Elmes, Harrow, HA3 5JY100, Long Elmes, Harrow, HA3 5JY
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 £523,044, ranging from £451,080 to £649,974.
- 16 Sefton Avenue
3 Bed House | 5 m | Est. Value: £482,256
- 10 Sefton Avenue
4 Bed House | 15 m | Est. Value: £649,974
- 18 Sefton Avenue
3 Bed House | 17 m | Est. Value: £451,080
- 20 Sefton Avenue
4 Bed House | 24 m | Est. Value: £615,851
- 8 Sefton Avenue
3 Bed House | 28 m | Est. Value: £500,782
Location Comparison
Our analysis of the public data ranks 14, Sefton Avenue, Harrow as the 28th largest and the 25th most expensive of the 121 addresses on Sefton Avenue, Harrow, HA3.
Against the HA3 postcode district average, it is £38k more expensive than the typical property.
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
Ofcom's latest figures show ultrafast broadband available in this area.
According to recent data from Ofcom, Ultrafast Broadband available in this area.
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.












