Overnight Interbank Average Rate in the United Kingdom remained unchanged at 3.73 percent on Wednesday September 16. Overnight Interbank Average Rate in the United Kingdom averaged 2.82 percent from 1997 until 2026, reaching an all time high of 8.56 percent in October of 1998 and a record low of 0.04 percent in December of 2020. source: Bank of England

Related	Last	Previous	Unit	Reference
Bank Lending Rate	9.07	9.03	percent	Jul 2026
Banks Balance Sheet	4882315.00	4900488.00	GBP Million	Jul 2026
Central Bank Balance Sheet	806449.00	805688.00	GBP Million	Sep 2026
Deposit Interest Rate	3.60	3.60	percent	Aug 2026
Foreign Exchange Reserves	220129.00	225750.00	USD Million	Jul 2026
BoE Interest Rate	3.75	3.75	percent	Sep 2026
Interest rate on new mortgages	4.45	4.35	percent	Jul 2026
Interest Rate on Outstanding Mortgages	3.97	3.96	percent	Jul 2026
Lending Rate	3.90	3.90	percent	Aug 2026
Loans to Private Sector	2986055.00	2927700.00	GBP Million	Jun 2026
Money Supply M0	105994.00	105579.00	GBP Million	Jul 2026
Money Supply M1	2303010.00	2309849.00	GBP Million	Jul 2026
Money Supply M2	3239710.00	3236285.00	GBP Million	Jul 2026
Money Supply M3	3850746.00	3868898.00	GBP Million	Jul 2026
M4 Money Supply MoM	3298964.00	3308262.00	GBP Million	Jul 2026
Overnight Interbank Average Rate	3.73	3.73	percent	Sep 2026

United Kingdom Sterling Overnight Average Rate SONIA

SONIA (Sterling Overnight Interbank Average Rate) is based on actual transactions and reflects the average of the interest rates that banks pay to borrow sterling overnight from other financial institutions and other institutional investors. Financial businesses and institutions use SONIA in a variety of ways. For example, to calculate the interest paid on swap transactions and sterling floating rate notes . SONIA is used to value around £30 trillion of assets each year. SONIA is the Working Group on Sterling Risk Free Reference Rates’ preferred benchmark for the transition to sterling risk-free rates from Libor.