Northwick Avenue - HA3 0AA
Key Postcode Insights
HA3 0AA is a residential postcode situated on Northwick Avenue, Harrow, HA3 with 37 addresses.
It ranks as the 997th largest and 887th most expensive of the 1,186 postcodes in the HA3 area. The most common property type is a early-century house built between 1912 and 1935.
The postcode contains a total of 37 properties: 27 houses and 10 flats.
- Ave. Sale Price
- £605,753
- 10 Year change
- down 1.5%
- Ave. Rental Price
- £2,582pcm
- 10 Year change
- up 37.0%
- Ave. £ per ft²
- £443/ft²
- Ave. Gross Yield
- 5.1%/year/yr
Key Postcode Insights
HA3 0AA is a residential postcode situated on Northwick Avenue, Harrow, HA3 with 37 addresses.
It ranks as the 997th largest and 887th most expensive of the 1,186 postcodes in the HA3 area. The most common property type is a early-century house built between 1912 and 1935.
The postcode contains a total of 37 properties: 27 houses and 10 flats.
- Ave. Sale Price
- £605,753
- 10 Year change
- down 1.5%
- Ave. Rental Price
- £2,582pcm
- 10 Year change
- up 37.0%
- Ave. £ per ft²
- £443/ft²
- Ave. Gross Yield
- 5.1%/year/yr
Explore Propertiesin HA3 0AA
- Anita House
Building  |  4 Flats
- 1 Northwick Avenue
4 Bed Early-century House
- 3 Northwick Avenue
5 Bed Early-century House
- 5 Northwick Avenue
5 Bed Early-century House
- 9 Northwick Avenue
Building  |  3 Flats
Sales Market Trends
The last sale in HA3 0AA sold for £800,000 on 30th January 2026. Since then prices are down an average of 4.0%.
The current average value in the postcode is £605,753.
The HA3 0AA Sales Market has decreased by 1.5% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | -2.7% | £605,753 |
| June 2025 | 1% | £622,814 |
| June 2024 | -4.3% | £616,923 |
| June 2023 | 0.3% | £644,470 |
| June 2022 | 4.9% | £642,576 |
| June 2021 | 0.8% | £612,299 |
| June 2020 | 2% | £607,329 |
| June 2019 | -2.7% | £595,557 |
| June 2018 | -2% | £612,139 |
| June 2017 | 1.6% | £624,773 |
| June 2016 | 10.7% | £614,778 |
| June 2015 | 12.9% | £555,518 |
| June 2014 | 14.4% | £491,948 |
| June 2013 | 5.5% | £429,946 |
| June 2012 | 0.8% | £407,482 |
| June 2011 | 3.5% | £404,167 |
| June 2010 | 10.4% | £390,367 |
| June 2009 | -11.5% | £353,706 |
| June 2008 | 3% | £399,617 |
| June 2007 | 0% | £388,111 |
Rental Market Trends
The current average rental value in the postcode is £2,582.
The HA3 0AA Rental Market has increased by 37.0% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | 2.2% | £2,582pcm |
| June 2025 | 3.1% | £2,525pcm |
| June 2024 | 6.1% | £2,449pcm |
| June 2023 | 14.8% | £2,308pcm |
| June 2022 | 7.2% | £2,009pcm |
| June 2021 | 1.1% | £1,874pcm |
| June 2020 | 0% | £1,853pcm |
| June 2019 | 1.5% | £1,854pcm |
| June 2018 | -0.7% | £1,826pcm |
| June 2017 | -2.4% | £1,839pcm |
| June 2016 | 3.1% | £1,884pcm |
| June 2015 | 5.6% | £1,828pcm |
| June 2014 | 6.2% | £1,731pcm |
| June 2013 | 2.4% | £1,629pcm |
| June 2012 | 4.6% | £1,591pcm |
| June 2011 | 6% | £1,521pcm |
| June 2010 | 6.7% | £1,435pcm |
| June 2009 | -6.3% | £1,344pcm |
| June 2008 | 7.2% | £1,434pcm |
| June 2007 | 0% | £1,338pcm |
Sales History
The last sale was on 30th January 2026 for £800,000 and since then the market in the area has decreased by 4.0%. The postcode has had a total of 18 sales since 1995.
HA3 0AA has seen 2 sales in the last three years and 1 sale in the last twelve months.
- Sold Jan 2026£800,000 | 4 Bed House19, Northwick Avenue, Harrow, HA3 0AA19, Northwick Avenue, Harrow, HA3 0AA
- Sold Oct 2024£655,000 | 4 Bed House51, Northwick Avenue, Harrow, HA3 0AA51, Northwick Avenue, Harrow, HA3 0AA
- Sold Feb 2022£656,000 | 4 Bed House1, Northwick Avenue, Harrow, HA3 0AA1, Northwick Avenue, Harrow, HA3 0AA
- Sold Feb 2021£695,000 | 5 Bed House13, Northwick Avenue, Harrow, HA3 0AA13, Northwick Avenue, Harrow, HA3 0AA
- Sold Sep 2020£1,150,000 | 5 Bed House5, Northwick Avenue, Harrow, HA3 0AA5, Northwick Avenue, Harrow, HA3 0AA
Nearby Postcodes
HA3 0AA is the 997th largest and the 887th most expensive postcode out of the 1,186 postcodes in the HA3 area.
- HA3 0AB, Northwick Avenue, Harrow, HA3HA3 0AB44 Addresses|83 m away
- HA3 0AG, Kenton Road, Harrow, HA3HA3 0AG11 Addresses|96 m away
- HA3 0AQ, Kenton Road, Harrow, HA3HA3 0AQ11 Addresses|97 m away
- HA3 0AH, Kenton Road, Harrow, HA3HA3 0AH23 Addresses|104 m away
- HA3 0AP, Kenton Road, Harrow, HA3HA3 0AP12 Addresses|120 m away
Property Types
- 1 modern house built after 1980
- 4 modern flats built after 1980
- 3 mid-century houses built between 1936 and 1979
- 17 early-century houses built between 1912 and 1935
- 5 early-century flats built between 1912 and 1935
- 7 other addresses of unknown type
- modern house (1)
- modern flat (4)
- mid-century house (3)
- early-century house (17)
- early-century flat (5)
- Unknown (7)
Energy Efficiency
- Energy Performance Certificate (EPC) surveys conducted for 29 properties.
- The most common rating is D.
- A (0)
- E (5)
- B (0)
- F (0)
- C (11)
- G (0)
- D (13)
- No EPC (8)
Top 3 Most Expensive Sales
- Sold Oct 2016£1,210,000 | 5 Bed House31, Northwick Avenue, Harrow, HA3 0AA31, Northwick Avenue, Harrow, HA3 0AA
- Sold Sep 2020£1,150,000 | 5 Bed House5, Northwick Avenue, Harrow, HA3 0AA5, Northwick Avenue, Harrow, HA3 0AA
- Sold May 2018£1,125,000 | 5 Bed House50, Northwick Avenue, Harrow, HA3 0AB50, Northwick Avenue, Harrow, HA3 0AB
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
The closest station to HA3 0AA is Northwick Park station, which is 100 metres away.
- Northwick Park|100 m away
- Kenton|300 m away
- Harrow-on-the-Hill|1.1 km away
