Its new product is a 2-year fix up to 65% LTV with a rate of 2.99% and a £799 fee.
Also available are 2-year fixes at 2.79% at 60% LTV with a £999 fee, and 3.09% up to 60% LTV with a £199 fee.
The product changes will come into effect from tomorrow.
Martin Richardson, Leeds Building Society’s general manager – business development, said: “We’ve been able to make further improvements to our short term fixed rate buy-to-let mortgage range.
“The majority of buy-to-let borrowers favour 2-year fixed rates and these changes to our range make these products among the most competitive on the market.”
Each product comes with a free standard valuation up to up to £335 and all inclusive in-house legal services for remortgages.