Onslow Avenue is almost entirely semi-detached houses. The median sale price is £164,250, about 7% below the typical M40 sale. Recent sales have moved in step with the wider district. With 24 sales across 16 homes since 2002, homes here come to market only rarely.
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Onslow Avenue prices over time
Median sold price on the street by year, from 24 HM Land Registry records. Years with no recorded sales are left blank rather than joined up.
Median sold price by year vs the M40 district trend. Street medians on thin years reflect few sales — hover a dot for the exact figure.
How Onslow Avenue compares
Onslow Avenue against the M40 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).
Onslow Avenue's £164,250 median sits about 7% below M40's £176,950.
Street and M40 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.
Prices by property type
Median sold price by property type on Onslow Avenue.
Every recorded sale on Onslow Avenue
Individual transactions as recorded by HM Land Registry, newest first.
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 M40
Sold-price profiles for nearby streets, and the wider M40 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.