Hennessy Outdoors (Hennessy Timber Group) is rated 4.6 out of 5 in the category outdoor activity organizer. Read and write reviews about Hennessy Outdoors (Hennessy Timber Group). Hennessey Timber Group Ltd. is a family run business established in Clonakilty in 2001. We pride ourselves on high standards and quality designs which has lead us to achieve our strong reputation. We have been successful in expanding our operation to include both commercial and residential projects. We supply Play Sets, Playhouses, Garden Furniture, Garden Buildings and more.