Choo choo! This railway station house, near Welshpool, has lovely views over the surrounding countryside. It's currently laid out with a kitchen/breakfast room, sitting room and bedroom on the ground floor with a living room, bedroom and bathroom on the first. Outside is a two-storey signal box with power and lighting. It costs £225,000 from agent McCartneys.
 

It's tucked underground like an animal's lair, and has the name to match: Walnut Burrow. Near Rickmansworth, the four-bedroom eco-house boasts a cinema room and bespoke German kitchen. It's built around a central courtyard with a spiral staircase to the garden on the roof. It costs £2 million through agent Savills.
 

This sweet little toll house in Berwick-Upon-Tweed is small but perfectly formed, with just a hallway, living room, kitchen, bedroom and bathroom. Outside, there's just space for two small flowerbeds. But the rooms are large and bright, and the price is great - just £129,950 through agent Rettie.

This Yorkshire bungalow looks conventional enough at first glance, but it's actually built from straw bales - "well insulated and cosy," say the agents. It consists of a lounge area with wood burning stove, kitchen area, two bedrooms and bathroom. There's room for extension and outline planning permission for a further two-bedroom bungalow. Near Driffield, it costs £169,950 from agents D Dunk Lewis & Graves.

Once the control tower for RAF Wainfleet, this building near Boston, Lincolnshire currently looks rather forbidding - but could transform into a house of which the Thunderbirds would be proud. It consists of a four storey control tower, along with four detached buildings which once served as kitchen, rest room, gym and offices. The owners are looking for £300,000 to £350,000 through agents William H Brown.

This extraordinary apartment in Manchester takes up the clock tower of St Georges Church and spans nine - yes, nine - different levels. Fortunately, there's a lift. It has  three/four bedrooms, three receptions rooms, a gym, sauna and roof terrace (with battlements) and is stuffed full of interesting architectural features including stained glass windows. It costs £1 million through agents Jordan Fishwick.

This one-bedroom cottage near Papa Westray, Orkney, is perfect for anyone that really wants to get away from it all. It has beautiful sea views from its 11 acres, along with a couple of outbuildings. Inside, it's been modernised and has wood floors and a wood-burning stove. Lows Solicitors are looking for offers over £90,000. 

More of a Tardis than a boat, this 78-foot Dutch barge comprises a 24-foot reception room, separate, well-fitted kitchen and utility area and two good-sized en-suite bedrooms. It's moored at London's St Katharine Docks, where mooring fees are £14,312 a year. It's being sold through Riverhomes for £220,000.

The Addams family would love this eight-bedroom Gothic mansion in Crystal Palace, south-east London. It's packed full of original features, from elaborate architraves and windows to an ornate staircase and a belvedere. Amazingly, the attic space has been transformed into a mock-up of a spaceship for children. It's available through Hamptons International for £3,250,000. 

This tiny but delightful cottage in Cornwall is packed full of original features: stone floors, beams, old doors - the lot. It's one bedroom is a double, and there's a small courtyard garden at the rear. It costs £159,950 through agents Bond Oxborough Phillips.