Our Data Sources
29, Northwick Avenue, Harrow has a single entry in the Land Registry from October 2011 and a single entry in the EPC database dated March 2021.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 2 out of 5 and is considered of medium 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 29, Northwick Avenue, Harrow, we estimate a market value of £746,090 and a rental value of £2,812 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £660,823 and £2,491 per month respectively.
Plot Size
HM Land Registry records the plot of land for 29, Northwick Avenue, Harrow as measuring 627 m2.
That makes it the 6th largest plot in the postcode, where 25 of the 27 other houses have recorded plot data.
Energy Efficiency
29, Northwick Avenue, Harrow has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 13 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).
Sold Prices
The most recent sale of 29, Northwick Avenue, Harrow completed on 24th October 2011 at £475,000 and was recorded by HM Land Registry as a freehold house.
Since 1995 this is the property's only sale.
Values of comparable properties have risen by 47.4% over the period since October 2011.
- Sold Oct 2011£475,000
Similar Properties Sold Nearby
Since 2011 73 properties similar to 29, Northwick Avenue, Harrow have sold within a radius of 580 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 30th January 2026, was 19, Northwick Avenue, Harrow, HA3 0AA, a freehold house which sold for £800,000.
Read more about house prices in HA3.
- Sold Jan 2026£800,000 | 4 Bed House19, Northwick Avenue, Harrow, HA3 0AA19, Northwick Avenue, Harrow, HA3 0AA
- Sold Aug 2025£727,500 | 4 Bed House4, Hawthorne Avenue, Harrow, HA3 8AG4, Hawthorne Avenue, Harrow, HA3 8AG
- Sold Mar 2025£770,000 | 4 Bed House6, Mayfield Avenue, Harrow, HA3 8EU6, Mayfield Avenue, Harrow, HA3 8EU
- Sold Feb 2025£670,000 | 4 Bed House23, Elmwood Avenue, Harrow, HA3 8AJ23, Elmwood Avenue, Harrow, HA3 8AJ
- Sold Jan 2025£655,000 | 4 Bed House39, Rushout Avenue, Harrow, HA3 0AS39, Rushout Avenue, Harrow, HA3 0AS
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 £746,268, ranging from £461,414 to £1,154,742.
- 31 Northwick Avenue
5 Bed House | 9 m | Est. Value: £1,102,416
- 35 Northwick Avenue
4 Bed House | 28 m | Est. Value: £685,717
- 23 Northwick Avenue
4 Bed House | 29 m | Est. Value: £755,249
- 48A Northwick Avenue
3 Bed Flat | 32 m | Est. Value: £544,174
- 48 Northwick Avenue
3 Bed Flat | 32 m | Est. Value: £522,252
Location Comparison
Of the 162 addresses on Northwick Avenue, Harrow, HA3, 29, Northwick Avenue, Harrow comes out as the 53rd largest and the 37th most expensive in our analysis of the public data.
It is also £200k more expensive than the average property across the HA3 district.
More reading links
Schools Nearby
- Saint Jerome Church of England Bilingual School1.1 km away
- Elmgrove Primary School & Nursery1.1 km away
- Mount Stewart Infant School1.3 km away
- Harrow High School500 m away
- St Gregory's Catholic Science College1.2 km away
- Claremont High School1.9 km away
More reading links
Public Transport Nearby
- Northwick Park|100 m away
- Kenton|300 m away
- Harrow-on-the-Hill|1.1 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.
