Our Data Sources
33, Sefton Avenue, Harrow has a single entry in the Land Registry from November 2007 and a single entry in the EPC database dated November 2011.
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 33, Sefton Avenue, Harrow would be worth £545,113, with a potential rental value of £2,420 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £482,814, with a rental value of £2,144 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
33, Sefton Avenue, Harrow occupies a 293 m2 plot as recorded by HM Land Registry.
Of the 24 other houses in this postcode, 22 have recorded plot sizes, and this one ranks as the 9th largest.
Energy Efficiency
33, Sefton Avenue, Harrow has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 12 Nov 2011.
The property is connected to mains gas and has mostly double glazing. It is heated using a boiler and radiators (mains gas).
Sold Prices
33, Sefton Avenue, Harrow last changed hands on 23rd November 2007, selling for £297,000. 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 risen by 76.9% since November 2007.
- Sold Nov 2007£297,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 298 sales of comparable properties within 430 metres of 33, Sefton Avenue, Harrow since 2017.
Most recently, 16, Stox Mead, Harrow, HA3 5JX, a freehold house, sold at £535,000 on the 16th June 2026.
Read more about house prices in HA3.
- Sold Jun 2026£535,000 | 3 Bed House16, Stox Mead, Harrow, HA3 5JX16, Stox Mead, Harrow, HA3 5JX
- 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 Jul 2025£550,000 | 3 Bed House100, Long Elmes, Harrow, HA3 5JY100, Long Elmes, Harrow, HA3 5JY
- Sold Jun 2025£525,000 | 3 Bed House48, Clewer Crescent, Harrow, HA3 5PZ48, Clewer Crescent, Harrow, HA3 5PZ
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 £494,988, ranging from £288,824 to £611,265.
- 35 Sefton Avenue
4 Bed House | 7 m | Est. Value: £599,374
- Flat 1, 31 Sefton Avenue
2 Bed Flat | 9 m | Est. Value: £311,459
- Flat 2, 31 Sefton Avenue
2 Bed Flat | 9 m | Est. Value: £288,824
- 29 Sefton Avenue
3 Bed House | 14 m | Est. Value: £505,959
- 37 Sefton Avenue
3 Bed House | 17 m | Est. Value: £464,996
Location Comparison
Our analysis of the public data ranks 33, Sefton Avenue, Harrow as the 42nd largest and the 35th most expensive of the 121 addresses on Sefton Avenue, Harrow, HA3.
Against the HA3 postcode district average, it is £7k 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
- 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
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.
