Choose a nest box for the birds and the position you have, rather than buying the most decorative box in the shop. A round entrance intended for tits or sparrows will not serve the same purpose as an open-fronted box for robins. Buying both is only useful if you have suitable places for both.
The Tom Chambers Crest nest box is a straightforward choice for great tits or house sparrows. It has a 32mm entrance, a metal entrance protector and a rear cleaning door. I would check how that rear door opens once mounted, not discover at cleaning time that a fixing blocks it.
Start with the species you see
Watch the garden before shopping. Regular sightings give you a better starting point than a generic promise that a box “attracts birds”. They still do not guarantee occupation: birds may find a natural site or choose another garden.
The Crest’s 32mm entrance suits great tits and house sparrows. If you want a smaller entrance for smaller tits, choose a box with an entrance size that suits them rather than casually reducing an existing opening. Robins need an open-fronted design, positioned with their different shelter requirements in mind.
The RSPB nest box guide explains the distinction between open-fronted and hole-fronted boxes and why an external perch is unnecessary. I would avoid treating miniature decorative bird houses as working nest boxes unless their dimensions, ventilation and maintenance access are specified.
The Gardman Robin Nest Box is an open-fronted alternative to the Crest. Its slide-out floor is useful for annual cleaning, provided the mounting leaves space to withdraw it. I choose that design for a concealed, sheltered robin site; I choose the 32 mm Crest where a suitable hole-fronted box is wanted. Follow species-specific siting advice and leave an occupied box alone.
Decide the fixing position before ordering
Look for a sheltered location and a fixing you can install securely without damaging the support. Consider sun through the day, prevailing weather and how people use the space. The convenient wall beside a busy doorway may not be the quietest location.
Follow the Crest’s siting instructions: mount it 2–4m high, sheltered from exposure and strong sun.
Plan safe installation and later access. Do not balance on furniture or stretch from a ladder because the chosen spot is just beyond reach. If the only suitable position needs specialist access, include that in the cost before buying the box.
Check construction and cleaning access
I would inspect roof overhang, joints, drainage and the way the box opens. A metal entrance plate may help protect the opening, but it does not make the whole box predator-proof. Secure fixing and an appropriate position remain important.
Avoid attaching feeders directly beside the entrance. A nest site should not become the centre of constant feeding traffic, and food equipment has its own regular cleaning requirements. Use our feeding station guide if you need a separate support.
After the nesting season, an empty box should be serviceable without breaking it apart. The RSPB advises autumn cleaning only after confirming the nest is inactive, using boiling water and allowing thorough drying rather than insecticides. Do not open an occupied box to satisfy curiosity or to keep to a calendar date.
One suitable box is a reasonable start
Do not fill a small garden with closely packed boxes in the hope that numbers alone improve results. Different species have different spacing and territory needs. Choose one appropriate design, install it well and give the birds time.
If you enjoy making things, a proven species-specific nest-box plan can be a good alternative to buying. Follow the dimensions and construction guidance rather than copying the outline from a product photograph.
Keep supporting habitat too. A box provides a potential nest site, while planting and natural food help the birds use the wider garden. Our wildlife garden starter guide puts nesting alongside water, cover and a manageable feeding setup.
Keep natural nesting opportunities too. A well-chosen garden hedge can provide cover that a box cannot replace. Check for active nests before cutting or clearing around it.
