How long does a mortgage offer last — and what happens when it expires? Paul Collinson explains everything first-time buyers and home movers need to know about mortgage offer expiry, mortgage offer validity, and what to do if your mortgage offer runs out before you complete. From typical mortgage offer timescales and lender extensions to new credit checks, re-valuations, and changes to mortgage rates, this episode reveals how to avoid delays, protect your deal, and keep your home purchase on track. Light, practical, and packed with expert mortgage advice, it’s your essential guide to how long a mortgage offer lasts, how to extend a mortgage offer, and how to avoid costly surprises.