Making a bug hotel is a hands-on way to turn household recycling and garden waste into a shelter for beneficial insects. The RSPB, Woodland Trust and Natural History Museum all publish step-by-step guides using materials you already have — from wooden pallets and plastic bottles to bamboo canes and fallen leaves. This article brings together their evidence-based advice so you can build a hotel that is safe, durable and genuinely useful for local wildlife.
Last checked: 2026-07-04
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Primary intent: Build a shelter for beneficial insects and minibeasts · Core materials: untreated wood, bamboo canes, dried leaves, twigs, bark, moss · Commonest base: wooden pallets or old bricks · Difficulty: suitable for adults and children with some supervision
How we researched this
Last checked: 2026-07-04.
Sources reviewed: Official conservation charity guides (RSPB, Woodland Trust, WWF-UK, Natural History Museum, Wildfowl & Wetlands Trust), gardening blog (Red Ted Art), children’s craft site (Super Simple), and independent parent blog (Lukeosaurus and Me).
We did not conduct original on-site testing of bug hotel materials or run a scientific experiment on bug attraction rates. The guidance here synthesises published recommendations from six independent organisations.
Bug hotel building at a glance
- A shoebox, plastic bottle, tin cans, or wooden pallets all work as a frame (Natural History Museum).
- The RSPB advises pallet-based hotels should be no more than about 1 m high (RSPB).
- Combine recycled items (toilet rolls, cardboard, newspaper) with natural matter – bamboo, bark, pine cones, leaves, straw (Woodland Trust).
- Both the Woodland Trust and WWF recommend a waterproof roof (old tiles, felt, ground sheet) to keep fillings dry (WWF-UK).
| Fact | Detail |
|---|---|
| Primary intent | Build a shelter for beneficial insects and minibeasts |
| Core materials | Untreated wood, bamboo canes, dried leaves, twigs, bark, moss |
| Commonest base | Wooden pallets or old bricks |
| Difficulty | Suitable for adults and children with some supervision |
What is the best material for a bug hotel?
The best materials are those that mimic natural microhabitats while being safe for insects. Untreated wood, bamboo canes, dried leaves, bark, moss and pine needles are consistently recommended by conservation groups. Avoid treated timber, painted wood, or chemically preserved materials – the Woodland Trust’s 2026 guide explicitly warns against using any timber that has been pressure-treated or coated with preservatives because the chemicals can leach into the hotel and harm its inhabitants.
Natural materials vs. synthetic
Natural fillers such as hollow stems, straw and leaf litter create the crevices and humidity that many invertebrates need. The Natural History Museum’s shoebox tutorial uses rolled newspaper and cardboard tubes alongside natural matter, showing that recycled paper products are a good supplement. Synthetic materials like plastic bottles and old plant pots still have a place as structural elements – the WWF activity sheet lists “plastic containers, plastic drainpipe” as acceptable recycled frames – but the filling should be predominantly natural to provide breathable, non-toxic shelter.
Sourcing untreated wood and bamboo
Bamboo canes from the garden centre or garden waste work well. The RSPB suggests drilling holes of varying diameters (up to about 10 cm deep) into untreated timber blocks for solitary bees – a method also detailed by the Woodland Trust. If you collect fallen branches from your garden, let them dry first to prevent mould.
Avoiding treated timber and chemicals
Pressure-treated fence posts, railway sleepers, and painted pallets are common in gardens but should not be used. The Woodland Trust notes that some pallets are marked “HT” (heat treated) and are safe, but chemically treated pallets (marked “MB” or with other codes) can release toxins. If you are unsure, use reclaimed bricks or unpainted wooden crates instead.
Tip: When drilling holes in wood blocks, use a range of drill bit sizes (2 mm to 10 mm) to suit different insects. Drill at a slight upward angle to stop rainwater pooling inside the holes.
The bottom line: Untreated, natural materials are safest. Use recycled plastic or metal only for the frame, not the fill.
How to make a bug hotel step by step
The conservation charities each offer slightly different methods depending on the space you have and the materials at hand. Below are the four most common approaches, drawn directly from their published guides.
Step-by-step guide from Woodland Trust
The Woodland Trust’s 2026 method begins with a recycled wooden pallet placed on bricks for ventilation. Fill gaps between pallet slats with reclaimed bricks, plant pots, roof tiles, logs, hollow stems, bark, pine cones, fallen leaves and straw. Add a waterproof roof – old roof tiles or a board covered with roofing felt – to protect from rain. The Trust recommends situating the hotel in a quiet, shady spot near trees or hedges.
Step-by-step guide from RSPB
The RSPB also uses wooden pallets stacked no more than about 1 metre high. They emphasise the “ready-made gaps” that pallets provide, which can even allow access for hedgehogs. Fill the gaps with a mix of bamboo canes, logs with drilled holes, twigs, and dry leaves. The RSPB advises placing the hotel on a level surface and checking it each spring for signs of collapse or rot.
Method using a plastic bottle
For a small, hanging hotel suitable for balconies, Red Ted Art’s design cuts a large plastic bottle into two cylinders, threads string through each, and stuffs them tightly with twigs, pine cones, bark, moss and other natural scraps. The tight packing prevents the filling from blowing out. This build takes about 15 minutes.
Method using cardboard
The Natural History Museum’s tutorial uses a recycled shoebox as the frame. Pack it tightly with toilet paper rolls, rolled newspaper, sticks and leaf litter. The Museum suggests sealing the box with tape to keep everything in place, then placing it in a dry, sunny spot. During rainy seasons, they recommend moving it under cover or into a shed to prevent the cardboard from becoming sodden.
Method using bricks
A frame of old bricks – reclaimed from a building project – can support a hotel of any size. Stack bricks in a cube or rectangle, leaving gaps between them. Fill each gap with a different material: one with bamboo canes, another with drilled logs, another with straw and leaf litter. This approach is especially durable and requires no wooden frame at all.
“Old wooden pallets are perfect for a large hotel as they’re sturdy and come with ready-made gaps.”
— RSPB bug hotel activity guide
Note: Whichever method you choose, pack the fillings tightly so they do not shift or blow out, but leave small gaps and holes for insects to enter. The Natural History Museum stresses that “gaps are the whole point”.
The trade-off: Large pallet hotels host more species but need more space; small bottle or shoebox hotels are quick and fit on a balcony but support fewer microhabitats.
How do you attract bugs to a bug hotel?
Location and material choice are the two key levers. Most UK conservation groups advise placing the hotel in a quiet, undisturbed spot – the WWF recommends a “shady hedge or tree” because many insects prefer cool, damp conditions. The Natural History Museum, however, suggests a dry, sunny position for smaller cardboard hotels, with the option to move them under cover during wet months. The difference reflects the material: cardboard hotels degrade in the rain, so they need shelter; pallet hotels with a roof can tolerate a bit more moisture.
Choosing the right location
The RSPB and Woodland Trust both recommend positioning the hotel near flowering plants or a hedge so that insects have food and shelter within a short distance. Avoid placing it directly on the ground if you want to keep it dry – raise it on bricks or a wooden base. A south‑facing wall can work if the hotel has a roof, but direct midday sun may overheat it.
Using specific materials for different insects
The Woodland Trust’s guide explains that different fillers attract different visitors. Hollow bamboo or drilled logs draw solitary bees; straw and dry leaves shelter smaller invertebrates; bark, stones and dead wood support beetles, woodlice and centipedes. If you want to maximise diversity, include a mix. The WWF sheet notes that larger gaps in a pallet hotel can even provide access for hedgehogs.
What smell do bugs hate the most?
This is a common question, but there is no single answer backed by the conservation guides we reviewed. Strong synthetic fragrances from air fresheners, cleaning products, or mothballs would likely deter insects, but these are not relevant to a garden bug hotel. The better question is what attracts them – and the answer is simply a safe, sheltered, undisturbed space with the right materials.
“Insects like cool, damp conditions so place your pallet(s) by a nearby shady hedge or tree.”
— WWF-UK bug hotel activity sheet
Why this matters: Location is as important as construction. A hotel placed in the open may be ignored; one tucked near shelter and food plants will be colonised faster.
What makes a good bug hotel?
A good bug hotel is stable, contains a variety of materials, and avoids the known pitfalls that can turn a wildlife shelter into a hazard. Conservation bodies agree on three main qualities.
Structure stability
The RSPB warns against building higher than about 1 metre, especially with pallets, to prevent toppling in wind. The Woodland Trust and WWF both suggest using a sturdy base – bricks or a pallet – and adding a roof to keep the structure dry. If you use a lightweight shoebox or plastic bottle, secure it to a wall or fence so that it does not blow away.
Variety of materials
“A good bug hotel has many nooks in different sizes,” says the Woodland Trust. Combine fine materials (straw, dried grass) with coarse ones (bark, pine cones) and tubular ones (bamboo, drilled logs). The Natural History Museum advises using at least five different filler types to create a range of microclimates.
Avoiding problems with bee hotels
Bee hotels – a type of bug hotel with drilled holes or bamboo tubes for solitary bees – have a known downside. If not maintained, they can become a vector for parasites and disease. The Woodland Trust and RSPB both mention this risk. To mitigate it, clean out old cocoons and replace bamboo canes every year or two. Do not place bee hotels in full sun, as this can encourage overheating and parasite growth.
Warning: If you see signs of mould, fungus, or dead insects inside the hotel, remove the affected materials immediately. Bug hotels should be checked each spring and autumn.
The catch: Without maintenance, a bug hotel can do more harm than good. Regular inspection and material replacement are essential, especially for bee‑specific designs.
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Frequently asked questions
What materials do you need to build a bug hotel?
You need a frame (shoebox, plastic bottle, tin cans, wooden pallets or bricks) and fillers. The fillers should be a mix of recycled items (toilet rolls, cardboard, newspaper) and natural materials (bamboo canes, bark, pine cones, dried leaves, straw, moss). The Woodland Trust also recommends using reclaimed bricks and roof tiles for structure.
Can I use a plastic bottle to make a bug hotel?
Yes. Red Ted Art’s design cuts a large plastic bottle into two cylinders, hangs them with string, and stuffs them with twigs, pine cones, bark and moss. The Natural History Museum and WWT also show small‐space designs using single drinks cartons or bottles. Avoid bottles with narrow necks; wide-mouthed containers work best.
How deep should the drilled holes be in a wood block?
Conservation guides recommend drilling holes up to about 10 cm deep, using a range of diameters from 2 mm to 10 mm. Drill at a slight upward angle to stop rainwater pooling inside. Do not drill all the way through the block – the hole needs a closed end to mimic a natural tunnel.
Do bug hotels work in winter?
Yes. Many insects use bug hotels as overwintering refuges. The Woodland Trust advises leaving the hotel undisturbed from autumn until late spring. The Natural History Museum suggests moving small cardboard hotels into a dry shed or garage during heavy rain to prevent degradation.
What are two potential problems with bee hotels?
The first is parasite build‑up: mites and wasps can infest the tubes if they are not cleaned annually. The second is disease transmission: reused tubes can harbour fungal spores that harm solitary bees. Both the RSPB and Woodland Trust recommend replacing bamboo canes every one to two years and discarding any material showing signs of mould.
How can I make a bug hotel with kids?
Use a shoebox or plastic bottle as the frame. The Natural History Museum’s shoebox method is ideal – children can help roll newspaper, stuff cardboard tubes, and collect leaves and twigs. Red Ted Art’s bottle hotel takes about 15 minutes. Adult supervision is needed for cutting and handling bamboo canes.
What smell do bugs hate the most?
The conservation guides we reviewed do not recommend using scents to deter insects – the goal is to attract them. Strong artificial fragrances from mothballs or cleaning products would likely discourage all invertebrates, so avoid placing the hotel near such sources.
Can mosquitoes bite through fabric used in a bug hotel?
Mosquitoes are not a target species for bug hotels. The structures are designed for beneficial insects such as solitary bees, lacewings, beetles and woodlice. If you are concerned about mosquitoes, avoid standing water in the hotel – good drainage and a dry filling will prevent mosquito larvae from developing.