Maybe build wall out and put stove in front and the side built-ins for the TV and shelves/cupboards would be flush or just behind the stone wall.
Small stoves-for garden rooms hobbit stove 03
Chesney's Wood Burning Stoves | Modern, Efficient Wood Burners | The Clifton Fireplace Company
Huntingdon 30 Gas Stove | Stovax & Gazco, stoves, fires and fireplaces
Brampton 9108 85.5% efficiency 8KW Black DEFRA approved Height - 680 mm Width - 595 mm Depth - 405 mm
Jonathan Avery of Tiny House Scotland designed and developed the NestHouse, an energy efficient moveable modular eco-house built using green principles.
Small stoves shepherds Huts 09
Super efficient wood-burning rocket mass stove, but applied to cooking and not just heating the living room. One of the better designs I've been able to find so far.
One wood burning Stove Whole house heating - Poujoulat Confort Plus http://www.poujoulat.co.uk/contenu/162/51/1/presentation/complete-chimney-solution-for-stoves-inserts-fireplaces-and-gas-fires.html
Dovre Wood Burning Stoves & Fires - Scandinavian Stoves. Vintage but contemporary and very efficient a nice combination and it looks stunning.