The Complete Guide to Buying a Double Sofa Bed Online

Buying a double sofa bed online is straightforward if you check four figures before anything else: the closed footprint, the open bed dimensions, the access route into your home and the mattress specification. Get those right and the rest, meaning fabric, colour and leg finish, is a matter of taste. Get them wrong and no amount of styling will rescue the purchase.

The concern most people have about ordering upholstery without sitting on it is fair. The answer is not to avoid buying online but to replace the showroom test with a set of checks that tell you the same things.

What Counts as a Double

A standard UK double mattress measures 135 centimetres by 190 centimetres. Many sofa beds described as doubles open to something slightly narrower, often between 120 and 140 centimetres. This is not necessarily a problem, but it matters if you intend to use standard fitted sheets.

Always read the quoted open bed dimensions rather than relying on the product name. If the listing gives only the closed size, ask before ordering. Length is the figure that causes most complaints, since anything under 185 centimetres will be uncomfortable for a taller adult.

The Four Measurements to Take

First, the wall run where the sofa will sit, minus any skirting, radiator or door swing.

Second, the clear floor depth in front of the sofa, measured to the nearest fixed obstacle. Compare this against the open depth of the bed plus at least fifty centimetres for walking space.

Third, the access route. Measure your front door, any communal doors, the hallway width at its tightest turn, the stairs and the doorway into the room itself. Note the diagonal of the narrowest doorway, since furniture is usually turned to pass through.

Fourth, ceiling height on stairs and landings if the sofa is going upstairs. Low bulkheads catch out more deliveries than narrow doors.

Choosing the Mechanism

Pull out frames slide a metal or slatted base forward and unfold a separate mattress. They give the most conventional sleeping surface with no join under the hips, but they need the most floor depth and are the heaviest option.

Fold down frames lower the backrest flat, converting within roughly their own footprint. They suit tight rooms and are lighter, though the seam between the two halves needs good cushions to stay comfortable.

Click clack designs work similarly but use the seat and back cushions as the mattress. They are compact and inexpensive, best suited to occasional guests.

Corner sofa beds with a pull out or fold down section give the largest sleeping area and usually include storage, at the cost of a much larger footprint.

Reading the Mattress Specification

Depth and construction tell you most of what you need to know. Under eight centimetres is thin and suitable only for occasional nights. Ten to twelve centimetres of high resilience foam is comfortable for regular guests. Pocket sprung units of twelve centimetres or more approach the comfort of a conventional bed.

Check what sits underneath as well. A sprung slatted base gives support and airflow. A solid board or a simple mesh will feel harder and can encourage condensation under the mattress.

Judging Fabric Without Touching It

Look at composition first. Polyester and polyester blends are hard wearing and resist marking, which suits family rooms. Wool blends feel warmer and age well. Linen looks relaxed but creases. Velvet is soft and shows pressure marks. Boucle is forgiving and warm but can catch on claws.

Request fabric samples where they are offered. Photographs shift under different screen settings and room lighting, and a sample resolves colour questions in a way no image can.

Zoom into product photographs at the arms and seat edges. Even stitching, aligned pattern and neat piping all indicate care in construction.

Frame Quality Indicators

Kiln dried hardwood frames are the benchmark. Engineered timber is acceptable when reinforced at the joints. Metal frames are common in fold down and click clack designs and perform well when the gauge is adequate.

Weight can be a useful signal. A double sofa bed weighing very little for its size usually means a lightweight frame and thin foam. Heavier is not automatically better, but unusually light is worth questioning.

Delivery, Assembly and Returns

Check how many boxes the item ships in. Modular sofa beds arriving in separate sections are far easier to get into a flat than a single rigid unit. Confirm whether legs need attaching and whether any tools are supplied.

Keep the packaging until you have opened the bed at least once. If anything is wrong, it is much easier to resolve with the original materials to hand. Returns are available up to 30 days, which gives you time to test it properly rather than making a decision within a few hours of delivery.

Planning the Room Around It

A double sofa bed is a large piece, so the surrounding furniture should be chosen with the open bed in mind. Nesting tables can be separated and moved. A slim floor lamp works better than a heavy standard lamp that has to be relocated every time.

Bedding needs a home. If the sofa does not have a storage base, a modern ottomans UK sale option or a chest at the end of the room will handle a duvet and two pillows comfortably. A pair of modern nest of tables UK gives guests surface space that disappears again in the morning.

A Practical Ordering Checklist

Confirm the open bed length and width. Confirm the closed footprint against your wall run. Confirm the access route at its narrowest point. Confirm the mattress depth and type. Confirm the base construction. Confirm delivery format and assembly requirements. Then order.

Working through that list takes less time than a showroom visit and catches the issues that actually cause returns.

Reading Reviews Usefully

Customer reviews are most valuable for what they say about the mechanism and the mattress after a few months, since those are the things a product description cannot tell you. Filter for comments that mention actual use rather than delivery experience.

Be cautious about comfort opinions in isolation, because firmness preference varies enormously. A review saying a mattress is too firm is useful only if several others say the same. A review describing a mechanism that stiffened after three months is a genuine warning regardless of how many people posted it.

Photographs posted by buyers are often more informative than the product images, since they show the sofa in ordinary domestic light rather than a styled set.

Understanding the Cushion and Suspension Details

Underneath the upholstery, most sofa beds use either serpentine springs, webbing or a solid platform. Serpentine springs give the most comfortable seat and are worth looking for. Elasticated webbing is lighter and perfectly acceptable at lower prices, though it softens over time. A solid platform is the firmest and least forgiving.

Seat cushion fill follows a similar hierarchy. Solid foam holds shape with no maintenance. Fibre wrapped foam feels softer and needs occasional plumping. Feather and down blends are the most comfortable and the most work.

On a double sofa bed, firmer is generally the safer choice. The frame carries more weight than a two seater and soft fill shows compression faster across a longer span.

What to Check When It Arrives

Unpack in the room where the sofa will live, since it is much easier to carry a boxed item than an assembled one. Attach the legs before positioning it, and tighten them evenly rather than fully tightening one at a time.

Open the bed fully on the first day. Check that the mechanism runs smoothly through the whole travel, that the mattress sits flat with no gap at the head, and that the frame does not catch on the carpet. Sit on it, lie on it and then fold it away again.

Inspect the upholstery in daylight, paying attention to seams, piping and the fabric across the arms. Any issue is far easier to resolve in the first few days than after several weeks of use.

Keep the packaging until you are satisfied. Returns are available up to 30 days, and having the original materials makes the process considerably simpler if something is not right.

Our modern sofa beds UK sale listings include full open and closed dimensions along with mattress and frame details, so every figure on that checklist is available before you commit. You can shop modern furniture UK wide at Furniture in Fashion with free delivery to most UK mainland postcodes.

Frequently Asked Questions

Does a double sofa bed fit a standard double sheet?

Not always. Many open to a slightly narrower surface than a standard 135 centimetre double, so check the quoted open dimensions before buying bedding.

Is it risky to buy a sofa bed without sitting on it?

Less than people assume, provided you check mattress construction, frame material, cushion fill and dimensions. Fabric samples and a clear returns window cover most of the remaining uncertainty.

How much floor space does a pull out double need?

Allow roughly two metres of clear depth from the front of the sofa once open, plus walking space beyond that.

What mattress depth is comfortable for regular use?

Ten to twelve centimetres of high resilience foam suits regular guests. Pocket sprung units of twelve centimetres or more come closest to a conventional bed.

Can two people carry a double sofa bed?

Most straight frames can be handled by two adults. Corner units and heavier pull out models with metal mechanisms often need three.