As a colony breeding bird once you have encouraged the House Martin to nest under your eaves more will follow. These simple to erect nest boxes will go some way to do just that.
The Schwegler nest boxes will last years and years, in fact they come with a 25 year guarantee. Made of woodcrete, Won't rot, can't crack and will keep a more stable temperature in extremes of weather. Brown in colour, 23cm high x 18.5cm wide. comes with it's own hanging wire hoop.The front gey ...
The next size hole up from the 26mm is this box the 32mm. If you want to encourage Great Tit, House Sparrow or Pied Flycatcher (if your lucky enough to have them) then choose this box.Made of wood crete for it's good insulation and long lasting properties. Will not warp or rot. 24cm high x 18.5cm ...
This Schwegler nest box is open-fronted for birds such as Robin, Blackbird and Spotted Flycatcher. For Robin try putting it in a garden shed that has access such as a broken window, or if not hang it on the shed facing south east. For Blackbird on a wall or trellis with some plant cover may be fine