Financial Instruments Risk Management (Tables)

12 Months Ended

Dec. 31, 2020

Financial assets subject to fixed or variable interest rates are as follows:

	2020		2019
	(in thousands)
	Carrying amount		Carrying amount
	£		£
Financial assets at short-term fixed rates
Cash and cash equivalents		48,432		41,827
Financial assets at variable rates
Cash and cash equivalents		5,470		7,108
Non-interest bearing cash balances
Cash and cash equivalents		33,454		3,027

Financial assets and liabilities in foreign currencies, primarily held in U.S. dollars, are as follows:

	2020		2019
	(in thousands)
	Carrying amount		Carrying amount
	£		£
Financial assets
Prepayments, accrued income and other receivables		2,079		2,174
Current income tax receivable		4		4
Cash and cash equivalents		70,419		28,980

Financial liabilities
Trade payables		409		549
Payroll taxes and social security		1		18
Lease liabilities		105		52
Accrued expenditure		926		989