Cowper Road - AL5 5NJ
Key Postcode Insights
AL5 5NJ is a residential postcode situated on Cowper Road, Harpenden, AL5 with 15 addresses.
It ranks as the 675th largest and 547th most expensive of the 997 postcodes in the AL5 area. The most common property type is a period house built between 1800 and 1911.
The postcode contains a total of 15 properties: 15 houses.
- Ave. Sale Price
- £982,419
- 10 Year change
- up 22.4%
- Ave. Rental Price
- £2,932pcm
- 10 Year change
- up 53.6%
- Ave. £ per ft²
- £780/ft²
- Ave. Gross Yield
- 3.6%/year/yr
Key Postcode Insights
AL5 5NJ is a residential postcode situated on Cowper Road, Harpenden, AL5 with 15 addresses.
It ranks as the 675th largest and 547th most expensive of the 997 postcodes in the AL5 area. The most common property type is a period house built between 1800 and 1911.
The postcode contains a total of 15 properties: 15 houses.
- Ave. Sale Price
- £982,419
- 10 Year change
- up 22.4%
- Ave. Rental Price
- £2,932pcm
- 10 Year change
- up 53.6%
- Ave. £ per ft²
- £780/ft²
- Ave. Gross Yield
- 3.6%/year/yr
Explore Propertiesin AL5 5NJ
- 41 Cowper Road
4 Bed Period House
- 43 Cowper Road
4 Bed Period House
- 45 Cowper Road
4 Bed Period House
- 47 Cowper Road
4 Bed Period House
- 49 Cowper Road
4 Bed Period House
Sales Market Trends
The last sale in AL5 5NJ sold for £1,225,000 on 21st November 2025. Since then prices are up an average of 0.5%.
The current average value in the postcode is £982,419.
The AL5 5NJ Sales Market has increased by 22.4% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | 0% | £982,419 |
| June 2025 | 4.5% | £981,930 |
| June 2024 | -2.2% | £939,719 |
| June 2023 | -1% | £960,534 |
| June 2022 | 8.5% | £970,577 |
| June 2021 | 6.8% | £894,833 |
| June 2020 | 4.2% | £837,857 |
| June 2019 | -1.3% | £804,181 |
| June 2018 | -1.1% | £815,121 |
| June 2017 | 2.7% | £823,874 |
| June 2016 | 10.3% | £802,306 |
| June 2015 | 7.1% | £727,442 |
| June 2014 | 11.1% | £679,256 |
| June 2013 | 3% | £611,418 |
| June 2012 | 4.4% | £593,424 |
| June 2011 | 3.8% | £568,155 |
| June 2010 | 19.9% | £547,155 |
| June 2009 | -10% | £456,528 |
| June 2008 | -1.3% | £507,493 |
| June 2007 | 0% | £514,042 |
Rental Market Trends
The current average rental value in the postcode is £2,932.
The AL5 5NJ Rental Market has increased by 53.6% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | 4% | £2,932pcm |
| June 2025 | 7.1% | £2,818pcm |
| June 2024 | 8.5% | £2,631pcm |
| June 2023 | 5% | £2,424pcm |
| June 2022 | 8.1% | £2,309pcm |
| June 2021 | 7.7% | £2,136pcm |
| June 2020 | 1.7% | £1,983pcm |
| June 2019 | 2.9% | £1,950pcm |
| June 2018 | -1.4% | £1,896pcm |
| June 2017 | 0.7% | £1,923pcm |
| June 2016 | 6.4% | £1,909pcm |
| June 2015 | 4.5% | £1,794pcm |
| June 2014 | 4.3% | £1,717pcm |
| June 2013 | 3.1% | £1,647pcm |
| June 2012 | 1.7% | £1,597pcm |
| June 2011 | 3.7% | £1,570pcm |
| June 2010 | 8.1% | £1,514pcm |
| June 2009 | -2.6% | £1,401pcm |
| June 2008 | -0.4% | £1,438pcm |
| June 2007 | 0% | £1,444pcm |
Sales History
The last sale was on 21st November 2025 for £1,225,000 and since then the market in the area has increased by 0.5%. The postcode has had a total of 31 sales since 1995.
AL5 5NJ has seen 3 sales in the last three years and 1 sale in the last twelve months.
- Sold Nov 2025£1,225,000 | 4 Bed House47, Cowper Road, Harpenden, AL5 5NJ47, Cowper Road, Harpenden, AL5 5NJ
- Sold Jul 2024£985,000 | 4 Bed House45, Cowper Road, Harpenden, AL5 5NJ45, Cowper Road, Harpenden, AL5 5NJ
- Sold Jun 2023£940,000 | 4 Bed House43, Cowper Road, Harpenden, AL5 5NJ43, Cowper Road, Harpenden, AL5 5NJ
- Sold Aug 2022£965,500 | 4 Bed House49, Cowper Road, Harpenden, AL5 5NJ49, Cowper Road, Harpenden, AL5 5NJ
- Sold Dec 2019£830,000 | 4 Bed House47, Cowper Road, Harpenden, AL5 5NJ47, Cowper Road, Harpenden, AL5 5NJ
Nearby Postcodes
AL5 5NJ is the 675th largest and the 547th most expensive postcode out of the 997 postcodes in the AL5 area.
- AL5 5NH, Cowper Road, Harpenden, AL5AL5 5NH12 Addresses|51 m away
- AL5 5FD, Aldington Place, Harpenden, AL5AL5 5FD4 Addresses|62 m away
- AL5 5NY, Shakespeare Road, Harpenden, AL5AL5 5NY6 Addresses|77 m away
- AL5 5NE, Shakespeare Road, Harpenden, AL5AL5 5NE2 Addresses|84 m away
- AL5 5NL, Cowper Road, Harpenden, AL5AL5 5NL13 Addresses|87 m away
Property Types
- 7 period houses built between 1800 and 1911
- 3 mid-century houses built between 1936 and 1979
- 1 house of an unknown age
- 4 other addresses of unknown type
- period house (7)
- mid-century house (3)
- house (1)
- Unknown (4)
Energy Efficiency
- Energy Performance Certificate (EPC) surveys conducted for 10 properties.
- The most common rating is D.
- A (0)
- E (1)
- B (0)
- F (2)
- C (0)
- G (0)
- D (7)
- No EPC (5)
Top 3 Most Expensive Sales
- Sold Aug 2025£1,575,000 | 5 Bed House1A, Cowper Road, Harpenden, AL5 5NF1A, Cowper Road, Harpenden, AL5 5NF
- Sold Jun 2021£1,435,000 | 5 Bed House31, Cowper Road, Harpenden, AL5 5NF31, Cowper Road, Harpenden, AL5 5NF
- Sold Jun 2017£1,314,550 | 5 Bed House23, Cowper Road, Harpenden, AL5 5NF23, Cowper Road, Harpenden, AL5 5NF
Schools Nearby
- Crabtree Infants' School400 m away
- St Dominic Catholic Primary School400 m away
- Crabtree Junior School400 m away
- Sir John Lawes School900 m away
- St George's School1.0 km away
- Katherine Warington School1.3 km away
More reading links
Public Transport Nearby
The closest station to AL5 5NJ is Harpenden station, which is 400 metres away.
- Harpenden|400 m away
- St Albans City|7.3 km away
- Luton Airport Parkway|7.3 km away
- St Albans Abbey|7.8 km away
