All rates will be available until 31 December or until stock lasts.
New rates on Barclays' Great Escape remortgage range - which has no application, valuation or standard legal fees - include two-year fixes from 1.65% at 50% LTV and 1.84% at 75% LTV.
Five-year fixed rates are available from 2.15% at 50% LTV and 2.45% at 75% LTV.
Barclays has also reduced rates on its buy-to-let Great Escape rates, with a two-year fixed rate now available from 2.95% at 65% LTV.
Last month, Barclays Mortgages introduced free valuations for residential purchase cases up to the value of £2m, helping homebuyers to save up to £930.
Customers can now get their mortgage approved, or receive a mortgage offer, with no upfront mortgage-related fees (if they choose a product with no product fee).