Cost of Living in AL9
Welwyn Hatfield
AL9 at a glance
Postcode district (AL9)£625k
Median home price
636
Sales (last 5y)
+125%
vs national median
£175
Est. council tax / mo
7.2/10
Deprivation decile
Figures describe the AL9 postcode district as a whole — a guide to the area, not a valuation of any one home. Prices from HM Land Registry; council tax is an estimate (verify your exact band below).
House prices in AL9
Postcode district (AL9)Median sale price over the last five years by property type, with how each compares to the national median.
| Property type | Median price | Sales (5y) | vs national |
|---|---|---|---|
| Detached | £1,100,000 | 219 | +£690k |
| Semi-detached | £625,000 | 148 | +£365k |
| Terraced | £448,000 | 147 | +£230k |
| Flat | £280,000 | 184 | +£48k |
Source: HM Land Registry Price Paid Data (OGL v3.0).
Council tax in AL9
Band D
Estimated band
£2,100
Estimated annual cost
£175
Monthly (approx)
Council-tax band is an estimate, not a verified per-address figure. Check the exact band on GOV.UK.
Affordability & area context
Postcode district (AL9)AL9 sits at an average deprivation decile of 7.2 out of 10 (less deprived than the English average), based on the 12 neighbourhoods (LSOAs) it covers in the English Indices of Deprivation 2025. Homes here typically sell for 125% more than the national median.