Welwyn Avenue is almost entirely semi-detached houses. Homes here typically change hands around £237,500 — roughly 39% below the TW14 norm. On floor area that works out near £4,960 per square metre, in line with the district's £5,109. Recent sales are too thin to call a trend for the street itself; TW14 prices as a whole have been rising. HM Land Registry records 19 sales across 13 homes since 2000 — homes here come up rarely.
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Welwyn Avenue prices over time
Median sold price on the street by year, from 19 HM Land Registry records. Years with no recorded sales are left blank rather than joined up.
Median sold price by year vs the TW14 district trend. Street medians on thin years reflect few sales — hover a dot for the exact figure.
How Welwyn Avenue compares
Welwyn Avenue against the TW14 district's busiest streets, the district itself, and the official UK House Price Index for the wider area.
Median sold price and sale count over the last 8years for the district's busiest streets. *This street's figures cover all recorded sales (fewer than 3 in the last 8 years).
Welwyn Avenue's £237,500 median sits about 39% below TW14's £390,000; on floor space it runs £4,960/m² against the district's £5,109/m².
Street and TW14 figures are medians of HM Land Registry sales; the England figures are the UK House Price Index mix-adjusted average — a different basis, so compare direction rather than levels between the two.
Every recorded sale on Welwyn Avenue
Individual transactions as recorded by HM Land Registry, newest first.
Sales marked non-standardare Land Registry “additional price paid” entries — bulk purchases, repossessions, right-to-buy and similar transfers. They're listed for completeness but excluded from every median and comparison figure on this page.
Get the full £5 report on the exact home — valuation vs its own sale history, EPC & running costs, flood/mining risk, planning, schools and more.
More streets in TW14
Sold-price profiles for nearby streets, and the wider TW14 area guide.
Contains HM Land Registry data © Crown copyright and database right 2026, including the UK House Price Index. EPC data © Crown copyright. Licensed under the Open Government Licence v3.0. Figures summarise recorded sales on the street and are not a valuation of any individual home.