Area guide
Everything you need to know about buying property in the AL6 postcode area, covering Welwyn and surrounding areas. All price data sourced from HM Land Registry — updated July 2026.
Average price
£503,045
Median price
£490,000
5-year trend
+26.5%
Total sales
6,244
The AL6 area has 448 individual postcodes with 6,244 registered sales. Prices are +26.8% above the national average, with the largest concentration in Welwyn. The five-year price movement is +26.5%.
With an average of £503,045, the AL6 area sits in the premium price bracket, +26.8% above the national average. Premium pricing typically reflects location desirability, transport connectivity and local amenities. The dataset includes 6,244 recorded sales across 448 postcodes.
The five-year price trend in AL6 is +26.5%, significantly outpacing many other areas. This level of growth may reflect improving local amenities, transport links or broader regeneration.
AL6 9FD
£210,307 avg · 125 sales
AL6 9LF
£330,696 avg · 106 sales
AL6 9AU
£207,633 avg · 81 sales
AL6 9DQ
£248,526 avg · 74 sales
AL6 0UL
£398,094 avg · 61 sales
AL6 9GH
£798,313 avg · 57 sales
AL6 0BZ
£475,438 avg · 56 sales
AL6 9JE
£324,414 avg · 51 sales
AL6 9LT
£606,279 avg · 51 sales
This AL6 area guide is based on HM Land Registry Price Paid Data, covering registered residential property sales in England and Wales from January 1995 onwards. All figures are historical sold prices, not current valuations or asking prices.
Data last updated: July 2026 · View methodology
The average sold price in the AL6 postcode area is £503,045, based on 6,244 HM Land Registry transactions. The largest town in this area is Welwyn.
Properties in AL6 average £503,045, which is +26.8% above the national average of £396,803 for England and Wales.
AL6 is +26.8% above the national average of £396,803 for England and Wales. The area covers 448 postcodes.
Prices in AL6 have moved +26.5% over five years, reflecting broader UK house price growth. The large sample size gives confidence in this trend.
No. All figures on this page are historical completed sale prices from HM Land Registry Price Paid Data. They are not current valuations, estate agent asking prices, or financial advice. Always seek professional advice before making property decisions.
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