Welwyn - AL6
The average house price in Welwyn (AL6) was £825,048 in 2025, up 431% from £155,488 in 1995. Prices peaked at £856,196 in 2023.
Over the last ten years, average prices have risen 44% (from £572,574 in 2015). The median sale price in 2025 was £740,000 across 149 sales. 6,089 transactions have been recorded in AL6 since 1995.
So far in 2026, 54 sales have been recorded at an average price of £797,932 (year to date).
2025 prices at a glance
| Property type | Average price | Median price | Sales |
|---|---|---|---|
| All types | £825,048 | £740,000 | 149 |
| Detached | £1,056,893 | £902,500 | 76 |
| Semi-detached | £666,164 | £605,000 | 39 |
| Terraced | £531,303 | £487,500 | 18 |
| Flats/maisonettes | £441,531 | £276,500 | 16 |
Price
Type
Average Price by Year
Median Price by Year
Transaction Volume by Year
Data source: UK Land Registry Price Paid Data. Inflation data: ONS CPI series D7BT. Real prices expressed in 2026 pounds.