Baroness Betty Boothroyd appeals on behalf of the National Benevolent Fund for the Aged. Donations: Freepost BBC Radio 4 Appeal. Credit cards: Freephone 0800 404 8144. This charity tackles the issues of loneliness, physical pain and isolation, all of which can leave older people feeling excluded from our society. If you are a UK tax payer, please provide NBFA with your full name and address so that they can claim the Gift Aid on your donation worth another 25 per cent. The online and phone donation facilities are not currently available to listeners without a UK postcode. Registered Charity No: 243387.