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It is increasingly difficult for Swallows and House Martins to find suitable nest-building and mud they do find, if any, is often poor quality. In addition, the walls of buildings are nowadays often very smooth, so as a result, nests tend to fall down, sometimes with the nestlings inside. In many places, the vibration caused by heavy vehicles shakes the nests loose.
Easily fixed under the eaves on the outside walls of buildings, these nest boxes are perfect for house martins to return to year after year. The bowl-shaped nest is made of air-permeable wood-concrete and a backing board made of exterior grade, formaldehyde-free chipboard to prevent warping.
Double nest: House martins are very sociable and will more readily use nests that are arranged in pairs. They can also be installed in groups to form large colonies. The backing board may be painted to match the building.
Siting: Under eaves on the externals walls of buildings. Install on the sheltered side of the building at a minimum height of 2m above the ground.
These nests can be used for years without cleaning. However, if possible it is recommended to inspect them frequently and to clean them when necessary.
These Woodcrete nest boxes are famous for their durability - lasting for at least 20-25 years. Woodcrete is a blend of wood, concrete and clay which will not rot, leak, crack or warp. They are backed by leading ornithologists, nature conservation organisations, government agencies and forestry experts. Schwegler boxes have the highest occupation rates of all nest boxes and are carefully designed to mimic natural nest sites and provide a stable environment for chick rearing and winter roosting.
For top tips on making your nest box a success, see our blog on Five FAQs About Attracting Birds to Your Nest Box.
Please note: this model of nest box was formerly referred to as the 9B.
* Height: 11cm
* Width: 46cm
* Depth: 14cm
* Weight: 2.7kg