Do-it-yourself demonstration on how to build a simple and long lasting blue tit nesting box using cheap materials and DIY tools and skills.
below,
https://www.wickes.co.uk/Wickes-Treated-Timber-Gravel-Board---19mm-x-150mm-x-1-83m/p/107141
https://www.wickes.co.uk/Wickes-30mm-Galvanised-Clout-Nails---400g/p/516037
https://www.toolstation.com/holesaw-kit/p23014