AL5 1 is a postcode sector within the AL5 postcode district which is within the AL St Albans postcode area.
The Royal Mail delivery office for the AL5 1 postal sector is the Harpenden Delivery Office.
The area of the AL5 1 postcode sector is 2.33 square miles which is 6.03 square kilometres or 1,489.53 square acres.
In the year 2017 there were 97 house sales in the AL5 1 with the average house price being £575,001.
The AL5 1 postcode sector is crossed by a railway.
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| The AL5 1 Sector is within these Local Authorities |
| The AL5 1 Sector is within these Counties |
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The AL5 1 Sector is within these Water Company Areas |
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