There are many agencies and organisations that provide living and welfare support. Here are a couple below to start your search:

Universal Credit
Benefit Calculator
Pension Credits
Income Support Scheme
Discretionary Housing Payments
Armed Forces Champions
Uswitch

General help and advice:

Citizens Advice Bureau

Telephone: England (03444 111 444), Wales (03444 772 020), Scotland (0808 800 0006)
Website: www.citizensadvice.org.uk

Shelter

Telephone: 0808 800 44 44
Website: www.shelter.org.uk

Financial difficulty:

National Debt Line

Telephone: 0808 808 4000

Step Change

Telephone: 0800 138 1111
Website: https://www.stepchange.org/

Former and current services advice:

Veterans Gateway

Telephone: 0808 802 1212
Text: 81212
Website: www.veteransgateway.org.uk

SSAFA: The Armed Forces Charity

Post: SSAFA, 4 St Dunstan’s Hill, London, EC3R 8AD
Telephone: 0800 731 4880
Website: www.ssafa.org.uk

Royal British Legion

Post: Royal British Legion, 199 Borough High Street, London, SE1 1AA
Telephone: 0808 802 8080
Website: www.britishlegion.org.uk

Veterans UK

Post: Veterans UK, MOD, Norcross, Thonton Cleveleys, FY5 3WP
Email: Veterans-uk@mod.uk
Telephone: 0808 1914 218
Website: www.gov.uk/veterans-uk