Greetings! We can recommend a company that specializes in Sash window repair in Bedfordshire
https://chameleon-decorators.co.uk/sash-windows-repair-bedfordshire/ They specialize in repairing period sash windows and have extensive experience. Many of our friends contacted them and were satisfied with both the quality of work and the guarantee for the work performed. They provide clear estimates and contracts, which gives confidence in the transparency and reliability of the transaction. We are confident that they will be able to help you efficiently restore your antique windows.