The new two-year fixed rate at 1.55% is for loan-to-values (LTV) up to 60% and a maximum loan size of £200,000.
The five-year fixed rate at 80% LTV has been reduced from 3.49% to 3.35%.
Both products come with a £999 fee.
Barclays is also moving forward the end dates for all the buy-to-let and residential fixed rate products by a further three months – e.g. its residential two-year fixed rate will now have a June 2017 end date.
The doors of its intermediary business centre will remain permenantly open from 9am to 6pm Monday to Friday. It is continuing to pilot extended opening hours on Saturday mornings from 9am to 1pm until the end of March.