Cowper Road - AL5 5NL
Key Postcode Insights
AL5 5NL is a residential postcode situated on Cowper Road, Harpenden, AL5 with 14 addresses.
It ranks as the 611th largest and 218th most expensive of the 997 postcodes in the AL5 area. The most common property type is a mid-century flat built between 1936 and 1979.
The postcode contains a total of 14 properties: 6 houses, 7 flats and 1 other property.
- Ave. Sale Price
- £816,876
- 10 Year change
- up 14.0%
- Ave. Rental Price
- £2,332pcm
- 10 Year change
- up 43.0%
- Ave. £ per ft²
- £546/ft²
- Ave. Gross Yield
- 3.4%/year/yr
Key Postcode Insights
AL5 5NL is a residential postcode situated on Cowper Road, Harpenden, AL5 with 14 addresses.
It ranks as the 611th largest and 218th most expensive of the 997 postcodes in the AL5 area. The most common property type is a mid-century flat built between 1936 and 1979.
The postcode contains a total of 14 properties: 6 houses, 7 flats and 1 other property.
- Ave. Sale Price
- £816,876
- 10 Year change
- up 14.0%
- Ave. Rental Price
- £2,332pcm
- 10 Year change
- up 43.0%
- Ave. £ per ft²
- £546/ft²
- Ave. Gross Yield
- 3.4%/year/yr
Explore Propertiesin AL5 5NL
- 96 Cowper Road
Building  |  2 Flats
- 98A Cowper Road
Unknown
- 98 Cowper Road
4 Bed Mid-century House
- 100 Cowper Road
3 Bed Mid-century House
- 102 Cowper Road
Unknown
Sales Market Trends
The last sale in AL5 5NL sold for £950,000 on 17th December 2018. Since then prices are up an average of 15.1%.
The current average value in the postcode is £816,876.
The AL5 5NL Sales Market has increased by 14.0% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | -0.1% | £816,876 |
| June 2025 | 3.2% | £817,401 |
| June 2024 | -1.8% | £792,044 |
| June 2023 | -1.3% | £806,334 |
| June 2022 | 6.2% | £817,358 |
| June 2021 | 5% | £769,336 |
| June 2020 | 3.8% | £732,439 |
| June 2019 | -1.3% | £705,440 |
| June 2018 | -1.6% | £714,714 |
| June 2017 | 1.4% | £726,432 |
| June 2016 | 9.7% | £716,296 |
| June 2015 | 6.6% | £652,694 |
| June 2014 | 10.3% | £612,109 |
| June 2013 | 2.3% | £554,817 |
| June 2012 | 4.2% | £542,541 |
| June 2011 | 4.3% | £520,912 |
| June 2010 | 17.7% | £499,664 |
| June 2009 | -10.5% | £424,490 |
| June 2008 | -1.4% | £474,534 |
| June 2007 | 0% | £481,250 |
Rental Market Trends
The current average rental value in the postcode is £2,332.
The AL5 5NL Rental Market has increased by 43.0% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | 3.9% | £2,332pcm |
| June 2025 | 5.8% | £2,245pcm |
| June 2024 | 9% | £2,122pcm |
| June 2023 | 4.7% | £1,947pcm |
| June 2022 | 5.9% | £1,861pcm |
| June 2021 | 5.9% | £1,757pcm |
| June 2020 | 1.4% | £1,659pcm |
| June 2019 | 2.9% | £1,637pcm |
| June 2018 | -2% | £1,590pcm |
| June 2017 | -0.5% | £1,622pcm |
| June 2016 | 5.9% | £1,631pcm |
| June 2015 | 4% | £1,540pcm |
| June 2014 | 3.6% | £1,481pcm |
| June 2013 | 2.4% | £1,430pcm |
| June 2012 | 1.4% | £1,397pcm |
| June 2011 | 4.1% | £1,377pcm |
| June 2010 | 6.2% | £1,323pcm |
| June 2009 | -3.1% | £1,246pcm |
| June 2008 | -0.5% | £1,286pcm |
| June 2007 | 0% | £1,293pcm |
Sales History
The last sale was on 17th December 2018 for £950,000 and since then the market in the area has increased by 15.1%. The postcode has had a total of 18 sales since 1995.
AL5 5NL has seen no sales in the last three years and no sales in the last twelve months.
- Sold Dec 2018£950,000 | 3 Bed House104, Cowper Road, Harpenden, AL5 5NL104, Cowper Road, Harpenden, AL5 5NL
- Sold Oct 2017£868,000 | 3 Bed House100, Cowper Road, Harpenden, AL5 5NL100, Cowper Road, Harpenden, AL5 5NL
- Sold Jul 2017£360,000 | 2 Bed Flat108, Cowper Road, Harpenden, AL5 5NL108, Cowper Road, Harpenden, AL5 5NL
- Sold Oct 2013£287,000 | 3 Bed Flat110, Cowper Road, Harpenden, AL5 5NL110, Cowper Road, Harpenden, AL5 5NL
- Sold Aug 2012£175,000 | 3 Bed Flat112, Cowper Road, Harpenden, AL5 5NL112, Cowper Road, Harpenden, AL5 5NL
Nearby Postcodes
AL5 5NL is the 611th largest and the 218th most expensive postcode out of the 997 postcodes in the AL5 area.
- AL5 5NP, Gilpin Green, Harpenden, AL5AL5 5NP27 Addresses|85 m away
- AL5 5NJ, Cowper Road, Harpenden, AL5AL5 5NJ15 Addresses|87 m away
- AL5 5NN, Spenser Road, Harpenden, AL5AL5 5NN16 Addresses|89 m away
- AL5 5NR, Gilpin Green, Harpenden, AL5AL5 5NR13 Addresses|120 m away
- AL5 5NW, Spenser Road, Harpenden, AL5AL5 5NW12 Addresses|124 m away
Property Types
- 3 mid-century houses built between 1936 and 1979
- 8 mid-century flats built between 1936 and 1979
- 3 other addresses of unknown type
- mid-century house (3)
- mid-century flat (8)
- Unknown (3)
Energy Efficiency
- Energy Performance Certificate (EPC) surveys conducted for 9 properties.
- The most common rating is D.
- A (0)
- E (2)
- B (0)
- F (0)
- C (3)
- G (0)
- D (4)
- No EPC (4)
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' School300 m away
- Crabtree Junior School400 m away
- St Dominic Catholic Primary School500 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 5NL is Harpenden station, which is 400 metres away.
- Harpenden|400 m away
- St Albans City|7.2 km away
- Luton Airport Parkway|7.4 km away
- St Albans Abbey|7.8 km away
