*U.K. 2010 Budget: Public Sector Net Borrowing In 2011-12 Seen At GBP 131 Bln

*UK Chancellor: Borrowing This Year To Be GBP11 Bln Lower Than Forecast, At GBP167 Bln

*U.K. Chancellor: Govt. Borrowing At 11.8% Of GDP This Year

*U.K. Chancellor Lowers GDP Growth Estimate For 2011 To 3%-3.5%

*U.K. Chancellor: Will Double Stamp Duty Limit To GBP 250,000 For First Time Buyer