The Society is also introducing 80% LTV two-year products across its buy-to-let range.

Five-year expat buy-to-let mortgage rates have also reduced by 20 basis points.

Limited company and expat products are among the buy-to-let relaunch.

The Society says the change is to "better reflect market conditions and in response to intermediary feedback".

Five-year fixed residential and buy-to-let rates have reduced by up to 0.20%.

In its core residential range, Foundation has introduced new products in all tiers – F1 to F4.

Dudley BS has been focusing on enhancing its buy-to-let proposition since rejoining the market.

The Society has also launched a new two-year fixed rate product and an interest-only discount for term product.

All newly rented properties must have an EPC rating of C or above by 2025, followed by all existing tenancies by 2028.

Cambridge Building Society has re-introduced three buy-to-let mortgage products.