Bunk Bed Buying Guide UK 2026: What Every Parent Needs to Know

Thinking about getting a bunk bed for your child's room? You are in the right place. Bunk beds are one of the smartest buys you can make for a shared bedroom or a smaller space. But with so many options out there, it can feel a bit overwhelming at first.

This guide covers everything you need to know before you buy, from safety standards and size guides to materials and room measurements. By the end, you will feel confident picking the right bunk bed for your home.

What Is a Bunk Bed and Why Are They So Popular?

A bunk bed is simply two beds stacked on top of each other, connected by a ladder. They have been a favourite in family homes for decades, and for good reason.

They save a huge amount of floor space. Two children can sleep comfortably in the same footprint as a single bed. That freed-up space can be used for a play area, a desk, or just more room to move around.

They are also great for sleepovers, guest rooms and holiday lets. Once you have a bunk bed in your home, you will wonder how you managed without one.

What Age Is Safe for a Bunk Bed?

This is the first question most parents ask, and it is a good one.

The general rule in the UK is that children under six years old should not sleep on the top bunk. Children need good balance and coordination to climb the ladder safely. If your child is not confident on stairs yet, they are probably not ready for a top bunk either.

The bottom bunk is suitable for children from around three years old, especially when the bed has a guard rail to stop them rolling out during the night.

If you have two young children sharing a room, a good approach is to put the older child on top and the younger one below.

Types of Bunk Beds Available in the UK

Bunk beds come in more styles than most people realise. Here is a quick breakdown of the most popular types.

Standard Bunk Beds The classic design. One bed sits directly on top of the other, connected by a fixed ladder. These are the most common and most affordable option. They work well in most bedroom sizes.

L-Shaped Bunk Beds Instead of stacking straight up, the lower bed faces out at a 90-degree angle, creating an L-shape. These are great for larger rooms or corner spaces. They often include storage or a desk underneath too.

Triple Bunk Beds Three beds stacked up, or a double bed on the bottom with a single on top. Perfect for families with three children sharing or for homes that host guests regularly.

Storage Bunk Beds These come with built-in drawers, shelves or a pull-out trundle bed underneath. A great choice if storage space is tight.

Loft Beds A single elevated bed with open space underneath, often used for a desk or play area. Ideal for older children who need a study space in their room.

Convertible Bunk Beds These can be split into two separate single beds as children grow. A great long-term investment that gives you flexibility over the years.

UK Bunk Bed Safety Standards: What to Look For

Safety is the most important factor when buying a bunk bed, especially for younger children. In the UK all bunk beds sold must meet the British Safety Standard BS EN 747. This standard covers:

• Structural strength and stability

• Guard rail height and spacing

• Ladder design and grip

• Weight limits per bunk

• Gap sizes to prevent entrapment

Always check that any bunk bed you buy clearly states it meets BS EN 747. Reputable retailers will always include this information in the product description.

Here are a few extra safety tips to keep in mind:

Guard rails should be fitted on both sides of the top bunk, not just the open side. The gap between slats on guard rails should be no more than 7.5cm to prevent a child's head from getting stuck. The mattress on the top bunk should sit well below the top of the guard rail. A mattress that is too thick can raise a child above the safety rail, which is dangerous. Make sure the bed feels solid once assembled with no wobble or loose joints. Check the bed regularly over time and tighten any fixings that may have loosened with use.

What Size Mattress Do You Need for a Bunk Bed?

Most standard bunk beds in the UK take a single mattress, which measures 90cm x 190cm. Some wider bunk beds take a small double, which measures 120cm x 190cm.

The most important measurement is the mattress depth, especially for the top bunk. The mattress should be no deeper than 15cm for the top bunk. A thicker mattress raises the sleeping surface too high above the guard rail, which creates a fall risk.

For the bottom bunk you have a bit more flexibility. You can use a standard depth mattress of up to 20 to 25cm if you prefer a thicker, more comfortable feel.

Always check the maximum mattress depth specified by the manufacturer before buying. This information should be in the product description or assembly instructions.

Wood vs Metal Bunk Beds: Which Is Better?

Both materials have their strengths. Here is a simple comparison to help you decide.

Wooden Bunk Beds Wooden frames look warm and traditional in a bedroom. They tend to feel more solid and are less likely to creak over time. Solid hardwood options like oak and beech are the most durable. Pine is a softer wood that is more affordable but may not last as long under heavy use. Wooden beds tend to suit most bedroom styles and age groups.

Metal Bunk Beds Metal frames have a modern, industrial look. They are usually lighter and easier to move around. They tend to be more affordable than solid wood options. Metal beds can creak more over time, especially if joints loosen. They work well in rooms with a more contemporary style.

For most family homes, a solid wood bunk bed is the better long-term investment. It holds up better over time and generally looks smarter as children grow from young kids into teenagers.

How to Measure Your Room for a Bunk Bed

Getting the measurements right before you buy is really important. Here is what to check.

Ceiling height: This is the one most people forget. A standard bunk bed is around 150 to 170cm tall. You need at least 90cm of clear space between the top mattress surface and the ceiling. Otherwise the child on the top bunk will not be able to sit up properly. Measure from the floor to your ceiling and compare it to the total height of the bed.

Floor space: Measure the length and width of the area where the bed will go. Remember to account for the ladder too. Some ladders stick out at an angle which adds extra depth to the footprint.

Door and window clearance: Make sure the bed will not block a door from opening fully or sit directly in front of a radiator or window.

Access: Think about how the flat-packed bed will get into the room. Measure doorways, hallways and any tight corners on the route from the front door to the bedroom.

Top Tips for First-Time Bunk Bed Buyers

Here are a few practical things that make a big difference and are easy to overlook.

Choose a bed that converts into two singles. It gives you much more flexibility as your children grow and their needs change.

Look for a sturdy ladder with wide steps. Narrow rungs are hard for small feet and make climbing less safe. Some beds come with stair-style access which is easier and safer for younger children.

Check the weight limit per bunk. Most standard bunk beds support up to 100kg per bunk. If the bed will be used by older children or adults, look for a heavy-duty option with a higher weight rating.

Read the assembly instructions before you start. Bunk beds can take two to three hours to build and they nearly always need two people. Do not try to do it alone.

Check the warranty. A good quality bunk bed should come with at least a one-year warranty on the frame and fixings. Some brands offer five years or more.

Buy the mattresses at the same time. It saves you guessing measurements later and many retailers offer a bundle deal.

Why Buy a Bunk Bed from Beds U Like?

At Beds U Like we stock a range of quality wooden bunk beds designed for UK homes. All our bunk beds meet British Safety Standards and come with clear assembly instructions. We offer fast delivery to most UK mainland addresses, usually within one to three days.

Whether you are looking for a simple standard bunk, a triple sleeper or a bunk with storage, we have options to suit all room sizes and budgets. Browse our full bunk bed collection today and find the right fit for your family.

Shop Bunk Beds at Beds U Like

Frequently Asked Questions

What age can a child sleep on the top bunk? Children should be at least six years old before sleeping on the top bunk. They need good balance and coordination to climb the ladder safely.

What mattress depth is safe for the top bunk? The mattress on the top bunk should be no deeper than 15cm. A thicker mattress raises the child too high above the guard rail.

Can adults sleep on bunk beds? Yes, but check the weight limit first. Most standard bunk beds support up to 100kg per bunk. For regular adult use, look for a heavy-duty model with a higher weight rating.

Do bunk beds need special mattresses? Not necessarily, but the top bunk needs a thinner mattress, usually 15cm or less. Any standard single mattress in the right size and depth will work.

How long do bunk beds last? A good quality solid wood bunk bed can last ten years or more with proper care. Metal frames may have a shorter lifespan if joints loosen over time.

Published by Beds U Like | Your trusted online furniture store in Bristol, UK Fast delivery across UK Mainland | info@bedsulike.com | 01179715040