Why Reclaimed Timber Is Worth the Effort

A decent coop does not need to cost the earth. Pallets, old fence panels, offcuts of ply and salvaged roofing sheets will all do the job, provided you build with a little care. A well-made recycled coop will last a decade or more, and the only money you need to spend is on fixings, mesh and a tin of wood treatment.

Pallets are the obvious starting point. Ask at builders' merchants, farm supply yards, garden centres and small engineering workshops — most are glad to see them go. Look for the stamp on the centre block. HT means heat treated, which is what you want. Avoid anything stamped MB, as that timber has been fumigated with methyl bromide and is not suitable for animal housing. Steer clear of pallets that have carried powders, resins or liquids, and leave coloured pallets alone — in the UK those usually belong to a pooling company and should go back.

For stripping, a pallet buster or a long crowbar saves a great deal of swearing. A reciprocating saw makes short work of the stubborn nails. Keep a good stock of galvanised nails and exterior-grade screws; ordinary steel fixings will rust through within a couple of seasons in a damp British climate.

Choosing a Size and a Spot

Allow roughly 30cm x 30cm of floor space per bird inside the coop, plus separate room for nest boxes. A coop measuring 1.2 metres square comfortably houses five or six medium hybrids. If your birds are large breeds, be generous.

Siting matters as much as size. Position the coop on level ground, raised 30cm to 40cm off the deck on legs. This keeps the floor dry, stops timber rotting, and makes life harder for rats, which will happily burrow under a coop sitting flat on soil. Face the pop hole away from the prevailing wind and let the coop catch morning sun — a south or east aspect helps dry it out after rain.

• Hard standing, paving slabs or compacted gravel under the legs
• Partial shade in summer, but not permanent damp shade
• Within easy reach of a path, so you actually clean it in January

Framing and Cladding from Pallets

Build a simple box frame from reclaimed 75mm x 75mm or 100mm x 100mm posts at the corners, with rails top and bottom. Old fence posts are ideal if you can get them. Use exterior screws rather than nails at the frame joints — they hold better and can be tightened later.

Clad the walls with pallet planks fixed horizontally, overlapping each board by about 25mm in the style of feather-edge fencing. That overlap sheds water instead of letting it sit in the joints. Cut planks to length with a handsaw or circular saw, and drill pilot holes near the ends to stop the timber splitting.

Treat all external surfaces with a pet-safe wood preserver once assembled. Two coats on end grain, where water gets in first.

Roof, Ventilation and Keeping Things Dry

A single-slope roof is easiest. Give it a fall of roughly 1 in 20 towards the back, and overhang the walls by at least 50mm on every side. Corrugated bitumen sheets or reclaimed corrugated iron both work well; fix them to battens with the correct washered screws and overlap the sheets by one corrugation.

Ventilation is where most home-made coops fail. Chickens produce a lot of moisture overnight, and a sealed box will leave them breathing damp air, which invites respiratory trouble. Cut a narrow slot high up under the eaves, on two opposite sides, around 25mm to 50mm deep, and cover it with weldmesh. That gives a gentle through-flow above the birds' heads without creating a draught at perch level.

Never rely on a pop hole left ajar for ventilation — it is an open invitation to Mr Fox.

Perches, Nest Boxes and the Floor

Fit perches from planed 50mm x 50mm timber with the top corners rounded off, set 45cm to 60cm above the floor and allowing 25cm of length per bird. Make them removable so you can lift them out and scrub them.

Nest boxes can be simple plywood cubes of about 30cm, mounted at one end, one box for every four or five hens. Line them with straw and keep them slightly darker than the rest of the coop.

For the floor, use 18mm ply or tongue-and-groove boards sealed with a coat of gloss or covered with a removable vinyl offcut. A droppings tray that slides out makes daily cleaning a two-minute job rather than a chore.

Fox-Proofing: The Details That Matter

Foxes are strong, patient and remarkably good at exploiting gaps of 50mm or more. Chicken wire is useless against them — it tears like paper. Use welded galvanised mesh of 25mm, 16 gauge or heavier, and fix it with stout staples over battens so it cannot be levered away.

• Two independent fastenings on the pop hole — a bolt plus a carabiner, or a pair of turn buttons top and bottom
• Stainless or galvanised hinges, screwed rather than nailed
• An apron of mesh 45cm wide laid flat on the ground around the base, pinned with pegs and covered with soil or slabs
• No gap anywhere that a paw can reach through to the latch

Do a torch-and-crouch inspection once a month, and again after any storm. The weak point is nearly always a hinge, a corner joint or a latch that has worked loose.

Build it properly once and you will have a coop that costs almost nothing, shelters your flock through every gale and frost, and stands up to whatever comes sniffing around at dusk.