Our Data Sources
4E, Northwick Avenue, Harrow has 21 entries in the Land Registry, most recently in October 2007 and no records in the EPC database.
We combine this sold price information with public data of neighbouring properties to estimate the attributes and values.
The local information is scored as 1 out of 5 and is considered of low accuracy.
1Sales dated prior to 2007 are shown, but are not used in our calculations.
Price Range & Condition
In very good condition, we estimate 4E, Northwick Avenue, Harrow would be worth £522,424, with a potential rental value of £2,625 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £462,719, with a rental value of £2,325 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
4E, Northwick Avenue, Harrow occupies a 116 m2 plot as recorded by HM Land Registry.
All 33 other houses in this postcode have recorded plot sizes, and this one ranks as the 35th largest.
Sold Prices
4E, Northwick Avenue, Harrow last changed hands on 5th October 2007, selling for £335,000. The transaction was logged as a freehold house by HM Land Registry.
In total it has sold twice since 1995.
The market for similar properties has risen by 57.1% since October 2007.
- Sold Oct 2007£335,000
- Sold Oct 1999£168,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 28 sales of comparable properties within 590 metres of 4E, Northwick Avenue, Harrow since 2012.
Most recently, 65, Grange Road, Harrow, HA1 2PR, a freehold house, sold at £625,000 on the 13th April 2026.
Read more about house prices in HA3.
- Sold Apr 2026£625,000 | 3 Bed House65, Grange Road, Harrow, HA1 2PR65, Grange Road, Harrow, HA1 2PR
- Sold May 2025£660,000 | 3 Bed House79, Manor Road, Harrow, HA1 2PG79, Manor Road, Harrow, HA1 2PG
- Sold May 2024£610,000 | 3 Bed House93, Manor Road, Harrow, HA1 2PG93, Manor Road, Harrow, HA1 2PG
- Sold Apr 2024£630,000 | 3 Bed House11, Grange Road, Harrow, HA1 2PP11, Grange Road, Harrow, HA1 2PP
- Sold Nov 2023£500,000 | 4 Bed House45, Crofts Road, Harrow, HA1 2PQ45, Crofts Road, Harrow, HA1 2PQ
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 £590,773, ranging from £284,032 to £932,713.
- 4C Northwick Avenue
3 Bed House | 10 m | Est. Value: £463,907
- 4A Northwick Avenue
4 Bed House | 19 m | Est. Value: £515,942
- 8 Northwick Avenue
5 Bed House | 26 m | Est. Value: £775,896
- 2 Northwick Avenue
5 Bed House | 27 m | Est. Value: £932,713
- 10 Northwick Avenue
4 Bed House | 33 m | Est. Value: £641,352
Location Comparison
Our analysis of the public data ranks 4E, Northwick Avenue, Harrow as the 81st largest and the 84th most expensive of the 162 addresses on Northwick Avenue, Harrow, HA3.
Against the HA3 postcode district average, it is £13k less expensive than the typical property.
More reading links
Schools Nearby
- Saint Jerome Church of England Bilingual School1.0 km away
- Elmgrove Primary School & Nursery1.1 km away
- Harris Primary Academy South Kenton1.3 km away
- Harrow High School500 m away
- St Gregory's Catholic Science College1.2 km away
- Wembley High Technology College1.9 km away
More reading links
Public Transport Nearby
- Northwick Park|200 m away
- Kenton|300 m away
- Harrow-on-the-Hill|1.0 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.












