Skip to main content
Feefee
feefee
← All providers
UK provider

Tandem Bank

Illustrative reference data — not personal financial advice. Verify rates and fees on the provider’s own pages before acting.

Digital-first 'green' bank — savings money funds green mortgages and home-improvement loans. Instant Access 3.15% AER standard (3.40% incl. 12-month top-up, until 3 Sep 2026). Cash ISA 3.75% standard (4.00% incl. 12-month top-up). Fixed-rate 1-year 4.60%. FSCS deposit cover £120k (from 1 Dec 2025).

Products tracked

What works
  • Cash ISA 3.75% standard with a 12-month top-up to 4.00%
  • Funds green / energy-efficiency lending
  • FSCS-protected
What to watch
  • Newer brand — less institutional scale
  • App-led, limited support

FSCSFinancial Services Compensation SchemeUK government-backed protection if a firm fails. Cash deposits at an authorised bank or building society are covered up to £120,000 per person, per banking group (raised from £85,000 on 1 December 2025). Investments at an authorised platform are covered up to £85,000 — a separate scheme. NS&I sits outside FSCS with 100% HM Treasury backing. protection

FSCS deposit cover up to £120,000 per eligible person, per authorised firm (from 1 Dec 2025).

FSCS deposit cover is per banking licence (not per brand). Lloyds Banking Group includes Lloyds, Halifax, Bank of Scotland, and Birmingham Midshires — all share one £120,000 cap. Investment platforms run on a separate FSCS scheme capped at £85,000. NS&I sits outside FSCS with 100% HM Treasury backing. Spreading large balances across separate licences preserves coverage.

Source · last verified 18 Aug 2026
https://www.tandem.co.uk/save/instant-access-saver →

Instant Access Saver 3.15% AER standard (3.40% incl. 12-month top-up, offer until 3 Sep 2026). Instant Access Cash ISA 3.75% standard (4.00% incl. 12-month top-up). Fixed Saver 1-year 4.60% AER.

Run the comparator

The fees and rates above are reference data. Run the 60-second sniff to see what Tandem would mean for your actual balance against alternatives Feefee tracks.

Run the sniff →

Reference data only — not personal financial advice or a recommendation. Rates and fees move; verify on the provider’s own pages before opening or transferring an account. Provider trademarks belong to their respective owners; Tandem Bank appears here under nominative fair-use as identification of a UK financial product.