1. Orchard Lodge, Cornwall
A ten-minute stroll from Boscastle's historic harbour and coast path, this five-star B&B has solar-powered hot water, 100 per cent renewable electricity and recycling bins in every guest room. It has even taken its locally sourced food mantra one step further by branching out into pig farming for its own sausages and pork. Discounts are offered to guests who arrive on foot, by bike or on public transport. Awarded gold by the Green Tourism Business Scheme.
+44(0)1840 250 418, orchardlodgeboscastle.co.uk
2. Torr Buan House, Isle of Mull
Way out on the west coast of Mull, Torr Buan is run by one of the region's top wildlife guides, whose new eco-architecturally designed home (insulated by sheep's wool) looks out to the island's highest mountain Ben More. It has energy efficient appliances and provides island produce such as local lamb, beef, seafood, home-grown veg and free range eggs.
+44 (0)1688 500 121, torrbuan.com
3. Fronlas, Carmarthenshire
This eco-chic, three-bedroom boutique B&B is an Edwardian townhouse in Llandeilo by the Brecon Beacons. It has installed a range of energy-efficient technologies, including underfloor heating and solar panels, and provides luxury organic mattresses and organic breakfasts. Guests who travel to Llandeilo by train receive a free box of locally produced chocolates.
+44 (0)1558 824 733, fronlas.com
4. Lower Buckton House, Shropshire
This charming, historic house is located by an old millstream near the ancient hamlet of Buckton. All breakfasts and dinners are from home-grown organic produce or sourced in season from small-scale independent growers. All waste is either composted or recycled.
+44 (0)1547 540 532, lowerbuckton.co.uk
5. Milden Hall, Suffolk
Amid ancient wildflower meadows in the Suffolk countryside, this 16th-century farmhouse has three large bedrooms, beautiful period furniture and an enormous sitting room. It is heated by a woodburner fuelled by coppiced wood from the estate's hedgerows, there's a comprehensive compost and recycling programme and the breakfast (free-range eggs, home-grown sausages) is sourced either from the farm or local suppliers.
+44 (0)1787 247 235, thehall-milden.co.uk
6. The Secret Garden Suite, Millbrook Cottages, Devon
This luxury five-star cottage sits on the 32-acre estate of a former mill in north Devon. Replete with four-poster bed, designer sitting room, conservatory and access to a hot tub in the woods, its electricity is supplied by a combination of a wind turbine, water turbine and photovoltaic panels, while heat comes from a biomass boiler and solar thermal panels. There's a 15 per cent discount for guests arriving by train.
0800 298 2288, millbrookcottages.co.uk
7. Aurora Bed & Breakfast, North West Highlands
Awake in one of Aurora's three large double bedrooms to views of Torridon loch and mountains on Scotland's west coast. Sixty-five per cent of waste is either recycled or composted (as part of a pilot project in the local community to reduce waste sent to landfill) and rainwater is reused to irrigate the garden where the owners grow their own salads and herbs.
+44 (0)1520 755 246, aurora-bedandbreakfast.co.uk
8. The Old Coach House, Machynlleth
Set in the Dyfi Valley (a Unesco Biosphere reserve) close to Snowdonia National Park, this was once the coaching quarters for Dolcorsllwyn Hall. Breakfast is locally sourced (the meat comes from the local butcher), seasonal (the owners grow their own fruit and veg), there are water flow restrictors in the toilets, the laundry uses only chemical-free products and rainwater is harvested, hence a gold award from the Green Tourism Business Scheme.
+44 (0)1650 511 333, theoldcoachhousecottage.co.uk
9. Rezare Farmhouse, Cornwall
This 17th-century farmhouse nestles between Bodmin moor and Dartmoor on the border of Devon and Cornwall. Breakfast embraces local butcher's sausages, eggs from the resident chickens, home-cured bacon, apple juice produced from local fruit grown, and the owners bake fresh bread daily, make their own yoghurt and granola and have a range of home-made preserves. The four bedrooms have recycling bins, and most waste is either recycled or composted.
+44 (0)1579 371 214, rezarefarmhouse.co.uk
10. Trericket Mill, Brecon Beacons
On the edge of the Brecon Beacons National Park, close to the second-hand book town of Hay-on-Wye, this wonderfully restored Grade-II listed Georgian water mill has three bedrooms, an adjacent bunkhouse and small campsite in a cider orchard. All meals are vegetarian, fair trade and organic, more than half of all waste is recycled and owners have their own borehole water supply. Awarded Level 2 in the Welsh Green Dragon scheme.
+44 (0)1982 560 312, trericket.co.uk
Richard Hammond is the author of Clean Breaks and founder of greentraveller.co.uk.