The Which? website has a great page outlining the benefits available to the elderly and/or disabled:
The list includes:
- Attendance Allowance
- Benefits for carers
- Constant Attendance Allowance (CAA)
- Council tax reduction
- Council tax and dementia
- Housing Benefit
- Pension Credit
- Personal Independence Payment (PIP)
- Travel perks: free bus pass, Blue Badge and more
- TV licence
- War Widow(er) Pension
- Winter Fuel Payment
- Benefits for couples
- Benefit cap
It also has a link to a Benefits calculator that could be useful.