Eco homes that can stay cool for sale in England and Wales – in pictures

From a triple-glazed barn conversion in a Welsh valley to a thermally regulated home in a busy area of LondonA brick and timber barn converted to high eco-conscious standards in a peaceful valley in Powys, Wales. Photograph: The Modern HouseFri 21 Aug 2026 02.00 EDTBerrynarbor, DevonOn a clear day residents can glimpse the sea from this four-bedroom home. It was built in 2021 to the highest possible energy performance certificate (EPC) rating of A owing to its insulation, air source heat pump and solar panels. Downstairs is a large triple-aspect kitchen-dining-family room and a dual-aspect sitting room, both with bifold doors. Upstairs the main bedroom has an en suite and a balcony with views of the Bristol Channel. The gardens are partly walled and there is parking for four cars. £685,000. Jackson-Stops, 01271 325 153Photograph: Jackson-StopsBerriew, PowysOff the National Cycle Route 81, between Welshpool and Newtown, is this home tucked away in a peaceful valley. Its conversion is eco conscious. The modern facade is exposed brick and clean-lined timber cladding. The windows are triple-glazed, helping to retain an even temperature throughout the seasons. The ground source heat pump and high levels of insulation contribute to a near Passivhaus level of energy efficiency. The living space has triple-aspect views of the countryside. £595,000. The Modern House, 020 3795 5920Photograph: The Modern HouseWalpole St Peter, NorfolkApplewood Farm is a remodelled farmhouse of brick and solid oak under a black pantile roof. With five bedrooms, it sits on the edge the village. It has an air source system providing heating and air conditioning throughout, underfloor heating on the ground floor, solar panels supported by battery storage and an EV charging point. The heart of the house is an open-plan kitchen with beams overhead, painted in crisp white. Bifold doors connect the kitchen and the garden as one space. There is a utility room, a sitting room and a snug. £650,000. Sowerbys, 01553 766 741Photograph: SowerbysClifford, HerefordshireJust to the north of Hay-on-Wye and the Bannau Brycheiniog national park is this eco home in a secluded spot down a country lane. The three-bedroom, timber-frame house meets the Passivhaus standard with an EPC rating of A. It uses Warmcel recycled material insulation to form the airtight structure. The mechanical ventilation with heat recovery system keeps the air filtered and the temperature stable and is connected to an air source heat pump. There is a charger for electric cars. £855,000. The Modern House, 020 3795 5920Photograph: katarena/The Modern HouseDalston, LondonA narrow path sneaks between buildings in the centre of this busy area to reveal a quiet enclave of new-build homes in the St Mark’s conservation area. Here is a house made of Porotherm clay blocks chosen for their thermal properties to help keep the temperature inside regulated all year. The sunken living room is well lit by overhead glazing and has a door to another courtyard, while the colourful kitchen has a striking island clad in quarry tiles. The low-slung home has three bedrooms, a commercial unit and a back courtyard. £1.8m. Aucoot, 020 7112 4907Photograph: Aucoot