Our Data Sources
34, Sefton Avenue, Harrow has 31 entries in the Land Registry, most recently in June 2021 and a single entry in the EPC database dated May 2021.
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.
1Sales dated prior to 2007 are shown, but are not used in our calculations.
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 34, Sefton Avenue, Harrow, we estimate a market value of £580,373 and a rental value of £2,546 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £514,045 and £2,255 per month respectively.
Plot Size
HM Land Registry records the plot of land for 34, Sefton Avenue, Harrow as measuring 284 m2.
That makes it the 4th largest plot in the postcode, where all 19 other houses have recorded plot data.
Energy Efficiency
34, Sefton Avenue, Harrow has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 07 May 2021.
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
The most recent sale of 34, Sefton Avenue, Harrow completed on 28th June 2021 at £475,000 and was recorded by HM Land Registry as a freehold house.
Since 1995 the property has sold 3 times.
Values of comparable properties have risen by 4.4% over the period since June 2021.
- Sold Jun 2021£475,000
- Sold Jan 2011£250,000
- Sold Aug 1996£81,500
Similar Properties Sold Nearby
Since 2016 262 properties similar to 34, 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 1st April 2026, was 29, Weald Lane, Harrow, HA3 5EU, a freehold house which sold for £540,000.
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 Aug 2025£565,000 | 3 Bed House72, Weighton Road, Harrow, HA3 6HZ72, Weighton Road, Harrow, HA3 6HZ
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 £531,738, ranging from £468,247 to £603,752.
- 32 Sefton Avenue
3 Bed House | 6 m | Est. Value: £524,985
- 38 Sefton Avenue
3 Bed House | 15 m | Est. Value: £476,459
- 28 Sefton Avenue
3 Bed House | 23 m | Est. Value: £581,745
- 43 Sefton Avenue
3 Bed House | 31 m | Est. Value: £513,348
- 41 Sefton Avenue
3 Bed House | 33 m | Est. Value: £529,224
Location Comparison
Of the 121 addresses on Sefton Avenue, Harrow, HA3, 34, Sefton Avenue, Harrow comes out as the 35th largest and the 24th most expensive in our analysis of the public data.
It is also £42k more 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.












