Where to put a butterfly house
Updated: 22 October 2026
You already own the box, and the fence, shed wall, or balcony rail is the part the listing never measured. Shop pages copy one height and one sugar mix as if they were a single method. Where to put a butterfly house is a siting job: sun, shelter, a height you can tape-measure, and a filling you can get into the chamber. Named listings and prices stay on the [butterfly house comparison](/hub/garden-supplies/butterfly-house). This page starts from a house that is already in your hand.
You already own the box, and the fence, shed wall, or balcony rail is the part the listing never measured. Shop pages copy one height and one sugar mix as if they were a single method.
You already own the box, and the fence, shed wall, or balcony rail is the part the listing never measured. Shop pages copy one height and one sugar mix as if they were a single method. Where to put a butterfly house is a siting job: sun, shelter, a height you can tape-measure, and a filling you can get into the chamber. Named listings and prices stay on the butterfly house comparison. This page starts from a house that is already in your hand.
Our top picks
| Badge | Product | Fixing | Opening | Type | Note | Price | Offer |
|---|---|---|---|---|---|---|---|
| Best overall |  CKB LTD CKB LTD wooden butterfly house | Metal bracket | Disputed | Wooden slot box | 5.2 | about £16.19 | View offer |
 Esschert Esschert Fallen Fruits WA39 | Not stated | Side door | Wooden slot box | 7.8 | about £8.03 | View offer | |
 XUDUOO XUDUOO hanging butterfly house | Rope | Back door | Teardrop feeder | 3.9 | about £14.99 | View offer |
On this page
Sun, shelter, and a height you can measure
The Woodland Trust's DIY note, Ark Wildlife's garden guide, and the National Trust kit page all place the box in sun, out of the wind, and four to six feet up, 1.2 to 1.8 metres. South-facing is a separate claim. Homes & Gardens quotes Sarah Hancocks of Vivara at about 1.5 metres and south-facing, and the quote calls the house essential. Butterfly Conservation asks for nectar in sun and shelter, and it does not give a box a compass point, so a south wall is retailer copy. A sheltered east or west fence can miss the wind better than a south face in the weather. Four to six feet does not stop a cat. Whether the house is then used is on butterfly house or plants.
Bark and twigs, if the front opens
The Woodland Trust build puts bark inside as a rough perch. Twigs do the same job, and the Vivara quote says to stand them upright. Cut them shorter than the chamber. The National Trust kit page lists about 18 cm high, 14 cm wide, and 9 cm deep, so a long hedge twig will not fit. You cannot fill the box if the front will not come off. On the CKB LTD house, one amazon.co.uk review says the front was glued and nailed shut, while another says the screwed front helps with cleaning. Try the panel on arrival. If it is glued, stop, because forcing it splits the timber. If the door never opens, leave the chamber empty. Flap checks are on the butterfly house buying guide.
Sugar water, without inventing one mix
Three UK sources publish three mixes, and averaging them would invent a fourth. The Woodland Trust DIY uses one part sugar to four parts water, boiled, on a sponge, checked daily and changed after a week. Its attract-butterflies page uses a quarter cup of sugar to two cups of water, plus overripe fruit. The RSPCA uses one part sugar to ten parts water, with fruit, refreshed every few days. The RHS points at flowers and fallen fruit instead. If you will not look daily, leave the syrup out. The XUDUOO review in this set is the caution: the dish was too small in hot weather, the house hung at an angle, and a squashed plum brought no butterfly. Named rows are on best butterfly house.
When to leave the box alone
A warm kitchen is the wrong place for a butterfly already settled for winter. Heated rooms wake peacocks and small tortoiseshells. Butterfly Conservation's move is an unheated shed, garage, or porch with a way out, not a newly sugared box. Most British butterflies winter as eggs, larvae, or pupae. Brimstone, comma, peacock, and small tortoiseshell, plus a few red admirals, are the adult overwinterers, and the shelter named is ivy, hollows, log piles, and leaf litter. Leave the ornament outside and stop the syrup in a frost. Catching a specially protected species under the Wildlife and Countryside Act 1981 without a licence is illegal. For a peacock on a curtain, the unheated shed with an exit is the step.
Common questions
How high should a butterfly house be?
About four to six feet, roughly 1.2 to 1.8 metres. The Woodland Trust DIY, Ark Wildlife, and the National Trust kit page use that band, and a Vivara quote in Homes & Gardens says about 1.5 metres, inside the same range. Measure to the slits, not the roof peak.
Does a butterfly house have to face south?
No charity rule here requires a south face. The Vivara quote in Homes & Gardens says south-facing, while Butterfly Conservation asks for nectar in sun and shelter and gives the box no compass point. Use the sunny wall that is out of the wind, including an east or west fence.
What do I put inside a butterfly house?
Bark, or short dry twigs stood upright, as in the Woodland Trust build and the Vivara quote. Trim them to the chamber, because a kit about 18 by 14 by 9 centimetres will not take a long stem. If the front is glued shut, as one CKB reviewer found, leave it empty. Twigs and cotton wool still brought no use in a YOFHPT review.
Which sugar mix should I use?
There is not one correct mix. Woodland Trust DIY is one part sugar to four parts water, boiled, on a sponge. Another Woodland Trust page uses a quarter cup to two cups of water, plus fruit. The RSPCA uses one part to ten. Copy one page, including its refresh rule, or skip the syrup and use flowers and fallen fruit.
How often should I change butterfly sugar water?
Check daily. The Woodland Trust changes the one-to-four mix after a week, and an adult does the boiling. The RSPCA refreshes the one-to-ten mix every few days. If the sponge shows mould, throw it out that day.
Can I hang a butterfly house on a balcony?
You can, if the rail is sunny, sheltered, and near nectar in pots. Four to six feet is awkward on a rail at about a metre, and a high balcony is often the wind those guides say to avoid. A cat can still reach chest height.
What if the front of the butterfly house will not come off?
Stop, and do not plan a filling you must replace. CKB reviewers describe a screwed front you can clean and a front glued and nailed shut. Try the panel gently. Forcing it splits the timber, and you still cannot clear the chamber. It can hang as an ornament, though you cannot clean it afterwards.
Related pages
Sources
Public UK sources from the research digest, plus the amazon.co.uk listings compared here. Shelf prices stored on 19 October 2026. Updated 22.10.2026.
- Butterfly Conservation, gardening for butterflies (retrieved 19.10.2026)
- Butterfly Conservation, FAQ (retrieved 19.10.2026)
- Butterfly Conservation, where butterflies go in winter (retrieved 19.10.2026)
- RHS, butterflies in your garden (retrieved 19.10.2026)
- Woodland Trust, DIY butterfly house (retrieved 19.10.2026)
- Alton and Ratnieks, Bee World, 2020 (retrieved 19.10.2026)
- GOV.UK, General Product Safety Regulations 2005 (retrieved 19.10.2026)
- RSPCA, butterfly feeder (retrieved 19.10.2026)