Powys: Ty Hedfan, Pontfaen
A stunning house conceived with passive environmental design at the forefront, with 60 metres of enchanting river frontage running before it. 2 suites, 2 further beds, family bath, kitchen/dining room, recep, study, gardens. £1.1m; The Modern House
Dorset: Acer House, Dorchester
A charming architecturally designed energy-efficient house with expanses of glass maximising light. Main suite, 3 further beds, family bath, kitchen/dining room, recep, garage with electric-vehicle charging point, gardens. £1m; Savills
Lincolnshire: Fossdyke Paddock, Saxilby
An award- winning, energy- efficient eco- home with enhanced insulation, an enclosed roof terrace and a meticulously landscaped garden offering a serene retreat. Main suite with dressing room, 1 further suite, 2 further beds, family bath, kitchen, recep. £699,000; By Design
Surrey: Clarence House, Woldingham
A striking, newly constructed contemporary house, designed to a high specification with energy-efficient accommodation, set within gardens and grounds totalling approx. 1.536 acres. Main suite with dressing room, 1 further suite, 2 further beds, shower, kitchen/dining room, 2 receps, garage. £2.6m; Hamptons
Dorset: The Common, East Stour
A thoughtfully designed modern house with impressive eco credentials. 3 suites, 2 further beds, family bath, kitchen/dining room, cinema, recep, gardens, garage. £2.475m; The Modern House