House Price Finder
Town Profile 1 postcode area

Welwyn

Hertfordshire · 6,258 properties sold since 1995

Postcodes: AL6
Average Property Value
£818,055
↑ 9.7% YoY
£818,055
Average
£702,500
Median
£2k
Lowest
£22.3M
Highest

Price Trend

2016 2017 2018 2019 2020 2021 2022 2023 2024 2025
£689k £836k

Property Types

Detached 54%
Semi-Detached 20%
Terraced 16%
Flat 10%
Other 1%
6,258 total sales across 5 property types

Market Summary

£490k
Lower Quartile
£703k
Median
£930k
Upper Quartile
Price Distribution £2k – £22.3M

Yearly Price History

Year Average Median Sales Change
2026 (YTD) £770,500 £656,500 44 ↓ 7.9%
2025 £836,149 £752,500 156 ↑ 9.7%
2024 £762,362 £690,000 173 ↓ 30.2%
2023 £1,092,985 £745,000 151 ↑ 37.1%
2022 £797,372 £715,000 193 ↑ 2.9%
2021 £774,610 £725,000 278 ↑ 6.0%
2020 £730,541 £680,000 189 ↑ 8.8%
2019 £671,219 £650,000 196 ↓ 1.3%
2018 £679,862 £619,500 182 ↓ 1.2%
2017 £688,077 £650,000 223 ↓ 0.1%
2016 £688,625 £685,000 232 ↑ 23.0%
2015 £559,801 £540,000 242

Postcode Areas in Welwyn

Welwyn covers 1 postcode district. Click any area for detailed property data, schools, crime stats, and demographics.

AL6

Useful guides

Stamp Duty Calculator

Calculate SDLT on your purchase — 2026/27 rates.

First-Time Buyer Guide

Everything you need to know about buying your first home in 2026.

What's Your House Worth?

Free ways to estimate your property's value using sold price data.

Source: HM Land Registry Price Paid Data · Crown copyright 2026 · Open Government Licence v3.0