Preheat oven to 160C. Put one quartered lemon in chicken cavity, then tie legs together with kitchen string.
Put garlic, thyme and other quartered lemon in roasting dish and top with chicken. Brush with olive oil and sprinkle with a little sea salt. Pour stock and wine into dish and cover with foil. Roast for 2hrs.
Remove foil from dish, increase temp to 200C and roast for further 25mins until skin is golden and chicken is cooked through. Carve and serve.