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Cot buying guide

Best Cots UK 2026

Start with the space and the mattress: a cot bed only pays off if its larger footprint and later conversion suit your room.

Five current cots and cot beds covering a standard 140 × 70cm cot bed, a narrower long-life convertible, a premium oval design, a low-cost 60 × 120cm cot and a compact option for smaller bedrooms. The differences that matter most are mattress size, floor space, base adjustment, conversion and what you need to buy separately.

5 products comparedUK buying guide
Written & researched by Chris Kelly · Updated August 2026
Dad of two, founder of Modern Parenting · How we research →

Affiliate disclosure: Some links on this page may earn us a small commission at no extra cost to you. Recommendations remain editorially independent. Full disclosure →

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Safer sleep: Use a firm, flat, waterproof mattress that fits the cot correctly, keep the sleep space clear and lower the mattress base as soon as the manufacturer instructs when your baby becomes more mobile. The Lullaby Trust recommends that babies sleep in their own clear, flat sleep space in the same room as a parent or carer for at least the first six months.
Read The Lullaby Trust’s mattress and bedding guidance →

01 · The shortlist

A cot bed is not automatically the best cot; start with the mattress size and the room it has to fit.

A cot can be one of the longest-lived pieces of nursery furniture, but longer is not automatically better. A standard 140 × 70cm cot bed is easy to buy mattresses and sheets for and can become a toddler bed; a compact cot takes less floor space but reaches its end point sooner; and a proprietary convertible can stretch much further if you are willing to stay within that brand’s mattress and extension system.

The choice therefore starts with the room rather than the finish. Measure the space with drawers and doors open, check the mattress size before committing to bedding, and look at what the conversion actually requires. A cot that promises years of use can still be poor value if the later stage needs several expensive parts you never end up buying.

Base height matters most in the first year. A higher newborn setting reduces how far you need to reach down, but the base must be lowered at the developmental point specified in the instructions. The practical comparison is not simply how many positions a cot has, but whether the frame remains easy to access and appropriate as your baby progresses from lying to sitting, standing and eventually climbing.

What we checkedCurrent manufacturer product pages and instructions were checked for mattress size, external dimensions, base positions, conversion stages, standards and included parts. Major UK retailer availability was also reviewed. Recommendations are editorial judgements based on documented specifications, room fit and the practical cost of each route.
01
Best all-round cot bed Ickle Bubba Snowdon Classic Cot Bed A conventional 140 × 70cm cot bed with three base heights, a toddler-bed conversion and built-in under-bed storage. See why →
02
Best long-life convertible SnuzKot Skandi Cot Bed A narrower cot bed that uses a 68 × 117cm mattress and can later extend into a junior bed with the separate conversion parts. See why →
03
Best premium design Stokke Sleepi Bed V3 An oval cot and toddler bed with lockable wheels, best suited to families prepared to buy the matching mattress and textiles. See why →
04
Best simple budget cot IKEA SNIGLAR Cot A plain solid-beech 60 × 120cm cot with two base heights and no conversion system to pay for. See why →
05
Best compact cot Mamas & Papas Petite Compact Cot A 90 × 54cm cot for bedrooms where even a standard 60 × 120cm cot is difficult to accommodate. See why →
02 · Best all-round cot bed

Ickle Bubba Snowdon Classic Cot Bed

A conventional 140 × 70cm cot bed with the features that matter most day to day: three base heights, a toddler-bed conversion and built-in under-bed storage.

Mattress140 × 70cm
Base positions3
Converts toToddler bed
StorageFull-width under-bed drawer

The Snowdon Classic is the easiest recommendation here for families who want a full cot bed without committing to a proprietary long-life system. It takes a standard 140 × 70cm mattress, provides three mattress-base heights and converts into a toddler bed, so the main pieces needed for the usual cot-to-toddler progression are built into the frame.

The full-width drawer is the other part of the design that changes everyday use. Cot bedding, sleeping bags and spare sheets can stay under the mattress rather than taking up a separate drawer unit. The trade-off is floor space: a 140 × 70cm mattress already makes this a substantial piece of furniture before the outer frame is added.

A standard mattress size keeps the next few years simpler

Using 140 × 70cm means you are not tied to one manufacturer for the mattress or fitted sheets. That matters when you want spare bedding, need to replace a mattress later or simply want more choice on price and materials than a proprietary shape normally provides.

The mattress is not automatically included with every Snowdon listing, so check the exact bundle rather than assuming the cot-bed price covers the full sleep setup. Buying the mattress separately is not a problem, but it should be included in the real cost comparison with products sold as complete packages.

Three base heights cover the important changes in access

The upper position is intended to reduce the reach into the cot while a baby is small, with lower settings used as mobility increases. The benefit is less about having three settings on a specification sheet and more about avoiding an unnecessarily deep lift during the earliest months.

Once your baby can sit or pull up, follow the instructions for lowering the base rather than keeping it high for convenience. At that point the height of the cot side becomes part of the safety setup, and the lower position is what keeps the mattress surface farther below the top rail.

The drawer earns its space in a smaller nursery

Under-bed storage is easy to dismiss when comparing cots, but the area beneath a cot is otherwise often dead space. The Snowdon uses it for a wide drawer, which can remove the need to find another home for bulky sleeping bags and spare linen.

That advantage is strongest when the cot will stay in one room for several years. If you expect to move the cot frequently or need the narrowest possible footprint, the simpler IKEA or Mamas & Papas options are easier to justify.

✓
Our take

The Snowdon is the strongest default if you have room for a full cot bed and want the conventional route from cot to toddler bed. The standard mattress size and drawer make it easier to live with than more specialised designs, while the main compromise is simply the space a 140 × 70cm cot bed occupies.

What works
✓Standard 140 × 70cm mattress size
✓Three mattress-base heights
✓Converts into a toddler bed
✓Integrated under-bed drawer
✓Teething rails included
Good to know
!Takes more floor space than a compact cot
!Mattress inclusion depends on the bundle
!Does not extend into a junior bed without moving to another product
!Self-assembly required
!Check drawer clearance if the cot sits close to other furniture
03 · Best long-life convertible

SnuzKot Skandi Cot Bed

A narrower cot bed that uses a 68 × 117cm mattress and can later extend into a junior bed if you buy the separate conversion parts.

Mattress68 × 117cm
External size72 × 133 × 89cm
Base positions3
Later stageJunior bed to approx. 10y with kit

SnuzKot takes a different approach from a standard 140 × 70cm cot bed. Its 68 × 117cm mattress keeps the frame relatively narrow, while the cot converts to a toddler bed to around four years and, with the separate extension kit and mattress components, a junior bed to approximately ten.

The proposition is strongest when both advantages matter. You get a smaller footprint during the nursery years, but the longer lifespan only really pays off if you expect to use the junior conversion later. If you are unlikely to extend it beyond the toddler stage, the proprietary mattress and higher overall system cost make a standard cot bed easier to justify.

The narrower footprint is one of SnuzKot’s strongest advantages

At 72cm wide externally, SnuzKot is narrower than many full 140 × 70cm cot beds. That can make a meaningful difference in a smaller nursery, particularly when the cot has to sit alongside drawers, a wardrobe or a nursing chair, without reducing it to a short-lived compact cot.

The trade-off is the 68 × 117cm mattress. Snuz specifies its own SnuzSurface mattress, so you have less freedom to shop around than with standard 120 × 60cm or 140 × 70cm sizes. It is therefore worth looking at the mattress cost alongside the frame rather than treating the cot-bed price in isolation.

Three base positions cover the cot stage without compromise

Three mattress-base heights provide the usual progression from newborn to standing, starting higher for easier access and moving lower as your child becomes more mobile. There is nothing especially distinctive about the arrangement, but importantly the smaller footprint does not come at the expense of the adjustment you would expect from a full cot bed.

Snuz states that the cot conforms to BS EN 716-1:2017 and BS EN 716-2:2017. As with any cot, that sits alongside the practical basics: correct assembly, a properly fitting mattress and lowering the base at the appropriate developmental stage.

The junior conversion is what justifies the longer-term proposition

In its standard configuration, SnuzKot covers the cot stage from birth to roughly 18 months and the toddler-bed stage to around four years. The optional junior kit then lengthens the bed for the next stage, taking its potential useful life to approximately ten years.

That extension is not included in the original cot-bed price, and neither are the additional mattress components required for it. The headline lifespan is therefore achievable, but it depends on continuing to invest in the system. For families who expect to do that, the design makes more sense; if not, the value case is much less distinctive against a conventional cot bed.

✓
Best fit

SnuzKot is most convincing when the narrower footprint and later junior-bed route both matter to you. If you only need a cot bed to toddler age, the Snowdon gives you a more conventional mattress size and a simpler overall buying path.

What works
✓72cm external width
✓Cot and toddler-bed stages included
✓Junior extension available to approx. age 10
✓Three base positions
✓BS EN 716-1:2017 and BS EN 716-2:2017 listed by Snuz
Good to know
!Requires a 68 × 117cm SnuzKot mattress
!Junior extension and mattress extension cost extra
!No built-in storage drawer
!More brand-specific bedding than standard sizes
!Full long-life value depends on buying later components
04 · Best premium design

Stokke Sleepi Bed V3

An oval cot and toddler bed with lockable wheels and a distinctive footprint, best suited to families prepared to buy the matching mattress and textiles.

Use periodBirth to approx. 5 years
ShapeOval
Base positions4
MovementLockable swivel wheels

The Sleepi Bed V3 is a premium furniture choice rather than a value-led cot bed. Its oval frame, curved rails and lockable swivel wheels give it a very different character from a conventional rectangular cot, while the current V3 is designed to progress from newborn cot use into a toddler-bed stage to around five years.

That design is the main reason to buy it, but it also creates most of the compromises. The mattress and fitted sheets need to suit the proprietary oval shape, and you lose some of the flexibility that comes with a standard rectangular cot bed. The Sleepi makes most sense if you actively want the Stokke system and its distinctive form; judged purely on practicality or value, more conventional cots are easier to justify.

The oval shape is distinctive, but it does not automatically save space

The rounded ends make the Sleepi feel less visually bulky than many rectangular cot beds, which is part of its appeal in a carefully furnished nursery. That does not mean it necessarily needs less floor space, though, so the useful comparison is the full external footprint rather than the mattress dimensions or shape alone.

The proprietary form also commits you to the matching ecosystem. A standard rectangular cot-bed mattress will not fit, and fitted sheets need to suit the oval mattress. Factor those costs in from the outset, particularly if you expect to buy replacement bedding later rather than treating the frame price as the complete purchase.

Four base heights give the Sleepi useful flexibility through the cot stage

The V3 provides four mattress-base positions, giving you more steps between the higher newborn position and the lowest setting used as mobility increases. That is a worthwhile advantage over cots with only two or three positions, because it gives a little more control over reach without changing the basic safety progression.

It is still a convenience feature rather than a reason to choose the Sleepi on its own. The mattress needs to be lowered in line with the child’s development and the instructions, and once the cot moves into its later configuration the removable side opens the bed rather than extending it into a larger junior format.

The wheels add useful flexibility within the room

Lockable swivel wheels are one of the Sleepi’s more practical design touches. They make it easier to pull the cot forward for cleaning or reposition it within a room without lifting a substantial piece of furniture, which can be particularly useful where access around the frame is tight.

Their usefulness is quite specific, however. They make the Sleepi easier to move around one floor; they do not make it genuinely portable between rooms, floors or homes. If frequent dismantling or easy transport matters more than furniture-like design, a lighter compact cot is the more practical choice.

✓
Our take

Buy the Sleepi V3 for the oval Stokke system, not because it offers the cheapest route to five years of use. It is coherent and well specified, but the mattress, fitted textiles and premium frame make the total cost materially higher than a standard cot bed.

What works
✓Distinctive oval frame
✓Four mattress-base positions
✓Lockable swivel wheels
✓Converts to toddler-bed use
✓Designed for use to around age five
Good to know
!High initial price
!Requires a model-specific oval mattress
!Fitted bedding is less interchangeable
!No under-bed drawer
!Current V3 is not the old extend-to-ten-years system
05 · Best simple budget cot

IKEA SNIGLAR Cot

A plain solid-beech 60 × 120cm cot with two base heights and no conversion system to pay for.

Mattress60 × 120cm
Base positions2
MaterialSolid beech
ConvertsNo

SNIGLAR is the simplest cot in the guide, and that is a large part of its appeal. It uses a standard 60 × 120cm mattress, has a solid-beech frame and provides two mattress-base heights, with no drawer, toddler-bed conversion or proprietary extension system adding to the price.

That makes it a strong budget choice if you want a straightforward cot rather than a piece of furniture designed to last through several stages. You give up the longer lifespan of a convertible cot bed, but you also avoid paying upfront for features you may never use.

The standard mattress size keeps ownership simple

SNIGLAR uses the common 60 × 120cm cot format, giving you far more freedom over mattresses and fitted sheets than a cot built around a proprietary size. It also makes replacements easier if the cot is reused for another child.

The mattress is sold separately, so the frame price is not the complete cost. Even once that is factored in, however, SNIGLAR remains one of the cheapest routes to a conventional cot setup and well below the premium convertible options in this guide.

Two base heights cover the adjustment that matters

There are only two mattress-base positions, so you do not get the finer adjustment offered by some more expensive cots. The important progression is still there: a higher setting for easier access when the baby is small, followed by the lower position once sitting independently begins.

That simplicity suits the rest of the design. There is less hardware to adjust and no conversion mechanism to keep track of, which is a strength if your priority is a solid, functional cot rather than furniture intended to change with the child.

The lack of a toddler-bed conversion is not necessarily a drawback

SNIGLAR stops being useful as a cot sooner than the convertible options here, so a separate bed purchase will eventually be required. The upside is that you can make that decision later, based on the child, the room and the furniture you own at the time rather than committing to the next stage when buying the cot.

For families prioritising a low upfront cost and compact footprint, that can be the more sensible trade-off. It is particularly easy to justify if the cot may later be reused for a younger sibling, where paying extra for a conversion you never use would add little value.

✓
Best fit

SNIGLAR is the strongest choice when you want a proper cot at the lowest cost and are happy to buy the next bed separately. The standard mattress size is a significant practical advantage; the missing toddler conversion is the main limitation.

What works
✓Low frame price
✓Standard 60 × 120cm mattress
✓Solid-beech construction
✓Two base heights
✓Simple frame with no proprietary conversion parts
Good to know
!Does not convert to a toddler bed
!Mattress is separate
!No built-in storage
!Fewer base positions than premium cot beds
!You will buy the next bed sooner
06 · Best compact cot

Mamas & Papas Petite Compact Cot

A 90 × 54cm cot for bedrooms where the footprint of even a standard 60 × 120cm cot is difficult to accommodate.

Age suitability0–18 months approx.
Mattress90 × 54cm
Base positions2
External size95.5 × 63.5 × 89.5cm

The Petite solves a very specific problem: there is not enough room for a full-size cot or cot bed. Its 90 × 54cm mattress is substantially shorter than standard cot formats, but the enclosed frame still gives a baby a proper cot once a bedside crib has been outgrown.

That space saving comes with an obvious trade-off. Mamas & Papas lists the Petite for use to approximately 18 months, so this is not a cot you buy for longevity. Its case is strongest where a standard cot would compromise the room itself and preserving usable floor space matters more than extending the same frame into toddlerhood.

The compact footprint is the Petite’s main advantage

At 95.5cm long externally, the Petite can fit into box rooms, shared bedrooms and layouts where a standard 120cm or 140cm cot would dominate the available space. In practice, that can be the difference between keeping access to a wardrobe, drawers or chair and having to rearrange the room around the cot.

The trade-off is its model-specific 90 × 54cm mattress. You do not get the same freedom over mattresses and fitted sheets as with a standard cot size, so it is worth checking availability and cost before buying rather than looking at the frame dimensions alone.

Two base positions are sufficient for its shorter lifespan

The Petite provides two mattress-base heights, covering the essential progression from easier newborn access to the lower setting required as the child becomes more mobile. You lose the finer adjustment of some larger cot beds, but that matters less in a cot designed for a relatively short stage of use.

The quoted 18-month limit should also be treated as a guide rather than a guaranteed end point. Developmental stop-use instructions still take priority, so families choosing the Petite need to be comfortable moving to the next sleep setup sooner if necessary.

Its value comes from saving space, not lasting longer

Compared purely on lifespan, a larger cot bed will almost always look like better value. That is the wrong test for the Petite. If a full-size cot blocks a door, restricts movement or forces other useful furniture out of the room, its extra years of use do not necessarily make it the better choice.

If you have space for a standard cot or cot bed, that remains the more flexible option for mattress choice and longevity. If you do not, the Petite earns its place by providing a proper cot stage without requiring the whole room to be reorganised around it.

✓
Our take

The Petite earns its place when room dimensions rule out the larger options. Its 90 × 54cm sleep space and approximately 18-month stage are compromises you accept in exchange for keeping the nursery workable.

What works
✓Very compact external length
✓Two base positions
✓Clear 0–18 month approximate stage
✓Suitable where standard cots are too large
✓BS EN 716-1&2:2017 listed by Mamas & Papas
Good to know
!Shorter lifespan than a standard cot
!90 × 54cm mattress is not a common standard size
!No toddler-bed conversion
!Mattress is separate
!Less attractive if you have room for a full-size cot
07 · Comparison

Full comparison

The key differences are mattress size, footprint and what happens after the cot stage.

CotBest forMattressLater useMain advantageMain compromise
Ickle Bubba Snowdon ClassicAll-round cot bed140 × 70cmToddler bedStandard mattress + drawerFull cot-bed footprint
SnuzKot SkandiLong-life conversion68 × 117cmToddler; junior with kitNarrower frame + extension routeBrand-specific mattress and extra kit
Stokke Sleepi V3Premium oval designStokke ovalToddler bed to ~5yFour heights + wheelsHighest total cost
IKEA SNIGLARLow-cost simple cot60 × 120cmNo conversionLow price + common mattress sizeNext bed needed sooner
Mamas & Papas PetiteVery small rooms90 × 54cmNo conversionShortest footprintApprox. 18-month stage
Do not keep the mattress base high once your baby reaches the manufacturer’s lowering point.A high newborn setting is there to make lifting easier while the baby is small. As sitting, pulling up and standing develop, the base needs to move down according to the instructions so the top rail remains sufficiently high above the mattress.
08 · Buying guide

How to choose the right cot

The right frame is the one that fits the room, takes a mattress you are happy to buy and gives you a sensible route into the next sleep stage.

Measure the outer frame, not just the mattress A 140 × 70cm mattress does not mean the cot itself is 140 × 70cm. Use the manufacturer’s external dimensions and leave room to open drawers, wardrobes and doors and to reach the cot comfortably from the side.
Decide whether conversion is actually valuable A cot bed saves buying a toddler bed only if you plan to use the conversion. If another child may inherit the cot, or you already expect to buy a separate child’s bed, a simpler cot can make more sense.
Check the mattress format before the frame Standard 60 × 120cm and 70 × 140cm mattresses are widely available. Proprietary sizes and shapes can work well, but they narrow your choice of mattress, protectors and fitted sheets.
Look at what the headline price excludes Mattresses, under-bed drawers, toddler rails and junior extensions may be separate. Compare the configuration you will actually use rather than the cheapest frame-only price.
Treat base height as a developmental setting The upper setting reduces bending with a newborn; lower positions become necessary as mobility increases. More positions can improve ergonomics, but correct timing matters more than the raw number.
Plan the next sleep stage before you need it Compact cots can be outgrown sooner, while cot beds transition later. Knowing the stop-use conditions in advance avoids having to buy the next bed in a hurry.

Mattress fit matters more than mattress marketing

A cot mattress should fit the frame correctly without significant gaps and should provide a firm, flat, waterproof sleep surface. Do not add a second mattress or improvised padding to alter height or softness.

If you buy the frame and mattress from different brands, verify the exact required dimensions in the cot instructions rather than relying on a retailer category label such as “cot bed mattress”.

Keep the cot itself clear

The sleep space does not need bumpers, pillows, wedges or large soft toys. Those additions can introduce avoidable hazards and do not improve the core function of the cot.

The simplest setup also makes it easier to see whether the mattress fits correctly and whether the base, rails and fixings remain in good condition as the cot is adjusted over time.

09 · Our verdict

Choose the cot around room fit and mattress format first; the conversion route comes after that.

10 · Common questions

Frequently asked questions

Two common formats are 60 × 120cm for cots and 70 × 140cm for cot beds. Some products use their own dimensions, so always follow the exact mattress size stated for the frame.

It can be if you use the toddler-bed conversion. A simple cot can still be the better buy when space is tighter, the cot will later pass to another baby or you prefer to choose a separate toddler bed.

Follow the manufacturer’s instructions and developmental trigger for the exact cot. The base normally needs to move down once the baby can sit or pull up so the top rail remains sufficiently high above the mattress.

The Lullaby Trust recommends a firm, flat, waterproof mattress in good condition. The mattress should also fit the cot correctly without unsafe gaps.

A used frame should be complete, structurally sound and have all correct fixings and instructions. A new mattress is often the simpler route unless you are certain the existing mattress is firm, flat, waterproof, undamaged and appropriate for the exact cot.

It depends on the model and the child. The Mamas & Papas Petite is listed for approximately 0–18 months, whereas full cot beds continue into toddler-bed stages. Developmental stop conditions can arrive before an approximate age.

Before ordering Confirm the exact mattress size, whether the mattress is included, the external frame dimensions, base-height instructions and every part needed for a later toddler or junior conversion.
Keep researching

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Product dimensions, mattress requirements, conversion stages and current UK availability were checked against current manufacturer information in August 2026. Safer-sleep guidance was checked against The Lullaby Trust. Modern Parenting did not physically test these cots. Specifications and bundles can change, so verify the exact product and instructions before use. Affiliate links: some links may earn us a small commission. Full disclosure →