On average it is taking 24 days more for the search to arrive — depending on your postcode.
The worst offending council is Hillingdon, which takes an average 44 days to return a search, with no reasonable explanation.
At the other end of the scale, Harrow takes just two-and-a-half days to return search data, proving that it can done quickly.
The average time across London is 6.83 days.
One of these companies, One Search Direct, which handles 40 per cent of the search market, says that councils are being unnecessarily restrictive, and in some instances even deliberately obstructive, towards private search companies.