1. The above borrowings are stated net of unamortised issue costs of £1.3m (2017: £1.0m).

The Group's current borrowing facility was amended and extended in the year. It is a four-year £200m revolving credit facility starting from 4 September 2017, with the option of a further year. The facility carries an interest rate of LIBOR plus a margin which is variable based on the gearing measures as set out in the facility covenant certificate and which is currently 100 basis points. Both utilisation and non-utilisation fees are also applicable being charged when utilisation rises above a set percentage with non-utilisation based on a set percentage of the applicable margin. These charges are based on market rates as are the commitment fees.

The Group had the following undrawn committed borrowing facilities available at each balance sheet date in respect of which all conditions precedent had been met:

The overdraft facility expiring within one year is an annual facility subject to review at various dates during the period. The facility of £105.0m (2017: £97.0m) relates to the Group's revolving credit facility. All these facilities incurred commitment fees at market rates.