It is known for its famous residents , expensive shops and huge sprawling mansions . And now it appears getting a space to lay down your iPad in the posh London district of Mayfair will cost more than anywhere else in Britain . A survey of the 10 biggest cities in Britain revealed that owning less than a square foot of property in Mayfair is likely to cost you 10 times more than purchasing exactly the same size space in Birmingham . Scroll down for video . Mayfair in London is the most expensive place to own property space measuring the size of an iPad air while Birmingham is the cheapest , analysts found as they calculated how expensive property is in Britain 's cities . The study took the size of an iPad Air , which measures 9.4ins by 6.7 ins , and worked out how much it would cost to own a space the size of the gadget . It found that in London 's posh Mayfair this area would cost £1,430.61 , while in Birmingham this is considerably cheaper at a price of £102.85 . Property website OnTheMarket.com did the survey to determine where the most expensive property area in Britain is . They used an iPad , rather than the typical measures of a square foot , so that people could visualise the space . This map shows how much it costs to buy property measuring the size of an iPad in 10 cities in Britain . The analysis used the cost of two bedroom apartments in the cities to calculate the different cost of property space across the country , and found that a slice of space in Mayfair in London would cost more than £1,400 . Birmingham is the cheapest city to 'lay down your iPad ' , with the small space costing around £102.85 . The cost was worked out using the average price of a two bedroom apartment in each of the 10 cities to act as a control . London , Mayfair - £1,430.61 . Manchester - £195.93 . Bristol - £183.03 . Leeds - £123.48 . Sheffield - £144.61 . Newcastle - £143.41 . Liverpool - £133.21 . Glasgow - £122.60 . Nottingham - £115.84 . Birmingham - £102.85 . Then analysts calculated how much a slice of the property - measuring the size of an iPad - would cost to give a figure . Helen Whiteley , Commercial Director at OnTheMarket.com , said : 'The point of this analysis was to provide a clear visual example of property values and by using the iPad we provide an immediate and easy reference point to visualise a space . ' Mayfair was by far the most expensive area to own the area of an iPad . And even London overall topped the list at an average price of £340.16 . Lewisham , seen as one of the more up and coming boroughs in the capital , came out with a price tag of £269.58 to own a slice of land , measuring less than a square foot . The next most costly area was Manchester , where an iPad sized plot would cost £195.93 . This Grade II listed property in Mayfair that had an asking price of £45million was sold less than six months ago . The mansion , in Balfour Place , boasted a staggering 19 bedrooms , seven reception rooms , six kitchens , 17 bathrooms and a roof terrace . Spread over 13,000sq/ft , the property was around 15 times the size of the average newbuild in the UK . The Arts & Craft property , built in 1891 , was snapped up by a wealthy millionaire . The mansion , in Balfour Place , boasted a staggering 19 bedrooms , seven reception rooms , six kitchens , 17 bathrooms and a roof terrace . The property was marketed by Wetherell and Savills estate agents , with the deal confirmed by Peter Wetherell . Due to a confidentiality agreement , Mr Wetherell would not confirm the final price paid or who had bought it . However , if it is anywhere near the £45 million asking price , it would have been among the biggest sales of 2014 . The most expensive publicly listed deal of 2014 was £50 million for a flat in Knightsbridge . The property was designed by Eustace Balfour and has a five storey brick facade . It originally featured large entertaining rooms and eight family bedrooms while the fourth and fifth floors were for staff . Over the years it has had a number owners including several industrialists , a Dowager Countess and a City of London metal-trader magnate . Palatial : The mansion , in Balfour Place , Mayfair , was on the market for £45 million and sold at the end of last year .
Property website did an analysis of the 10 biggest cities in Britain . They aimed to show how expensive property is to buy in each of the cities . Analysts used the size of an iPad Air to illustrate property prices . Gadget measures 9.4ins by ten ins - which is less than a square foot . Mayfair is the most expensive place to own a piece of iPad-sized land . Birmingham is 6.7 times cheaper than Mayfair , followed by Nottingham . OnTheMarket.com analysis used an iPad to help people visualise space .