Key numbers

Market value: £389m

Yield (Dec 2017 estimate): 3.8pc

Turnover (Dec 2017 estimate): £252m

Pre-tax profits (Dec 2017 estimate): £31.4m

Net debt (Jun 2017): £243.7m

Return on capital (Dec 2016): 5.7pc

Cash conversion ratio (Dec 2016): 94pc

p/e ratio (Dec 2017 estimate): 17.4