The final part of four of the interview with Ollie Boulter, Head of Planning and Infrastructure for the Isle of Wight council. We cover the energy efficiency of buildings – and the steps IWC are taking to exceed current government insulation standards, the reaction of IW developers and how the new build market is now seeking the highest levels of energy efficiency. There’s an exploration of the need to increase skills and widen trades – and finally “Brown envelopes”.