By Lucy Crossley for MailOnline Property website Zoopla accidentally rated this run-down cul-de-sac in the West Midlands as one of Britain's most expensive residential streets - with prices averaging  £3.6million. A computer software glitch calculated that houses in Crawshaws Road in Castle Bromwich were among the most desirable in the country. The error put the modest neighbourhood above London's most prestigious postcode W8 in Kensington where house prices average £2.78million. Error: Property website Zoopla accidentally rated this run-down cul-de-sac in the West Midlands as one of Britain's most expensive residential streets - with prices averaging £3.6million Price hike: The error put the modest neighbourhood above London's most prestigious postcode W8 in Kensington where house prices average £2.78million
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Crawshaws Road, Castle Bromwich listed as one of most expensive streets
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Glitch puts road above prestigious Kensington, Knightsbridge and Chelsea
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Homeowners shocked as houses apparently rose in value 30 times over
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Zoopla says 'uncommon' flaw in the algorithm which assesses factors such as previous sale values, characteristics and size had led to the mistake
She said: 'It's very funny for Crawshaws Road to get mentioned alongside the posh neighbourhoods of @placeholder and Chelsea.