AL3 postcode area
The AL3 postcode district spans 11 neighbourhoods (MSOAs) in Central Bedfordshire, Dacorum, St Albans. Area Scores range from 61 to 99 across them.
In summary
The strongest of the AL3 district's neighbourhoods is Harpenden Common (100 out of 100, #12 of 6,856 in England) and the weakest Caddington & Slip End (62). 9 of the 11 rank in the least-deprived third of England; none falls in the most-deprived third. House prices stretch as far as the scores do: medians run from £440,000 in Caddington & Slip End to £800,000 in Harpenden Common — a 1.8× gap within the AL3 district. Note that the district straddles 3 local authorities — Central Bedfordshire, Dacorum and St Albans — so its neighbourhoods answer to different councils.
| Neighbourhood | Nat. rank | Area score | Median price |
|---|---|---|---|
| Harpenden CommonSt Albans | 12 | 100 | £800,000 |
| Bernards HeathSt Albans | 12 | 100 | £780,000 |
| Verulam ParkSt Albans | 73 | 99 | £743,000 |
| LongacresSt Albans | 87 | 99 | £625,500 |
| Jersey Farm & SandridgeSt Albans | 396 | 94 | £510,000 |
| WheathampsteadSt Albans | 704 | 90 | £666,250 |
| St Albans CentralSt Albans | 1,314 | 81 | £463,000 |
| RedbournSt Albans | 1,719 | 75 | £625,000 |
| Markyate, Flamstead & GaddesdenDacorum | 2,164 | 68 | £480,000 |
| Townsend & New GreensSt Albans | 2,473 | 64 | £670,500 |
| Caddington & Slip EndCentral Bedfordshire | 2,630 | 62 | £440,000 |
Nearby areas
Postcode districts around AL3.
A postcode district overlaps several neighbourhoods, so figures are shown per neighbourhood rather than as a single postcode average — neighbouring areas can differ a lot. Neighbourhood (MSOA) boundaries contain ONS data © Crown copyright and database right 2025, Open Government Licence v3.0.