Ark Workshop WREN House Cedar Shelter Box Home for wrens, TACK, SLAT roof ArkWorkshop. FITOOL Tree Bark Roof Bird House for Blue Tit, Lark, Sparrow, Assembled(READY TO USE), Wild Bird Nesting Box for Wren and Chickadee Species 4.7 out of 5 stars 4 £17.99 £ 17 . From shop ArkWorkshop. 99 If you do want to protect your nestbox further, use a water-based preservative … The Wren/Songbird House, with its 1.25” entrance hole and 4.5” – square floor plan, provides the optimum nesting cavity for not only wrens, but a great variety of birds including various species of chickadees, nuthatches, titmice, and small woodpeckers found throughout North America.This molded plastic nest box … 5 out of 5 stars (518) 518 reviews $ 16.95. They are packed carefully in tissue paper and arrive in a pretty gift box. The wren bird house was what I expected and was nicely made. It would have helped if you explained how the hanging wire mounted into the bird house from the sides versus the use of a screw at the top going into a post. Favorite ... Sale Price $24.00 $ 24.00 $ … Our recycled plastic wren houses are available for sale exclusively on Amazon.com. If you need a present for the gardener or bird lover in your life, our wren houses are a great idea. RSPB nest boxes are made with thick FSC timber and will survive for many years, even without the use of preservatives. I will hang it in a tree next spring during the wren …