50m² of south-struggling with triple glazing provides free of charge warmth achieve in winter, with a considerable roof overhang to forestall summertime overheating. Small-Electrical power options involve a 5.5kW air source warmth pump, mechanical ventilation and warmth recovery, and 3.5kW of photo voltaic PV backed up using a Tesla battery. https://kingswoodhomes.uk.com/news/first-time-buyer-discovers-perfect-fit-at-green-hills-farmstead-collection/