Leather Sofas Glossary: Every Term You Need to Know

Buying a leather sofa means meeting a vocabulary that is rarely explained: full grain, top grain, aniline, bonded, pocket sprung, kiln dried, chaise, recliner and many more. This glossary sets out the terms you are most likely to see in product descriptions, grouped by leather, construction, comfort and style, so you can compare sofas with confidence and know exactly what you are getting.

Whether you are looking at a compact armchair or a large corner design, understanding these terms helps you judge quality and suitability. You can apply them directly as you browse our modern leather sofas UK, or across our wider range of sofas UK sale if you are comparing leather with other upholstery.

Leather Types and Grades

Full grain leather

Leather taken from the outermost layer of the hide, with the natural grain left intact. It shows natural markings such as scars, creases and variations in texture. Full grain is the strongest and most durable grade and develops a rich patina over time.

Top grain leather

Also from the outer layer of the hide, but lightly sanded or buffed to remove surface imperfections. It is slightly thinner and more uniform than full grain, while still strong and comfortable. Many quality sofas use top grain on seating areas.

Split leather

The lower layer of the hide, left once the top grain has been separated. It is less strong and usually given an embossed or coated surface to imitate grain. Sometimes used on the outer backs and sides of sofas.

Corrected grain leather

Leather that has been sanded and then given an artificial grain pattern and protective coating. It is uniform in appearance and resistant to stains.

Bonded leather

Made from leather fibres bonded together with a polyurethane coating. It looks similar to leather but is generally less durable and can peel over time.

Faux leather

A synthetic material, often polyurethane or PVC, designed to look like leather. Also called leatherette or vegan leather.

Leather Finishes

Aniline leather

Leather dyed throughout with soluble dyes and given no surface coating. It feels very soft and natural and shows every characteristic of the hide. It is also the most likely to absorb spills and fade in sunlight.

Semi aniline leather

Aniline dyed leather with a light protective coating. It keeps much of the natural look and feel while offering more resistance to marks.

Protected or pigmented leather

Leather with a pigmented surface coating that gives an even colour and good resistance to stains, fading and wear. It is a practical choice for busy homes, children and pets.

Nubuck

Top grain leather that has been lightly sanded on the outer side to create a soft, velvety nap. It feels luxurious but needs careful care.

Pull up leather

Leather treated with oils or waxes that lighten in colour when stretched or pressed, creating a distressed, lived in look over time.

Patina

The soft sheen and gentle colour change that develops on leather with use, light and handling. Valued as a sign of good quality natural leather.

Frame and Construction Terms

Kiln dried hardwood

Hardwood dried in a kiln to remove moisture, reducing the risk of warping or cracking. A good indicator of a sturdy frame.

Engineered wood

Timber products such as plywood or board made by bonding layers or fibres. Quality engineered wood can be strong and stable when used correctly.

Dowelled and glued joints

Joints reinforced with wooden pegs and glue rather than relying on staples alone. A sign of careful construction.

Corner blocks

Small blocks of wood fitted inside frame corners to add strength and stop joints loosening over time.

Plinth base

A solid base that sits flat on the floor, with no visible legs. Gives a grounded, contemporary look.

Castors

Small wheels fitted to the feet, usually at the back, to make moving the sofa easier.

Seating and Comfort Terms

Pocket sprung

Individual coil springs, each sewn into its own fabric pocket. They respond to pressure independently, giving even support and good shape retention.

Serpentine springs

Also called sinuous or zigzag springs. Lengths of S shaped wire running across the seat frame. A common and reliable seat base.

Webbing

Strong elastic or woven straps stretched across the frame to support cushions. Often used in contemporary low profile sofas.

High density foam

Foam with a greater mass per volume, which holds its shape and resists flattening better than lower density foam.

Memory foam

Foam that softens with body heat and moulds to your shape before slowly recovering. Occasionally used in sofa seats for a sink in feel.

Fibre filled

Cushions filled with polyester fibre for a soft, relaxed feel. They need regular plumping.

Feather wrapped

Foam cushions wrapped in a layer of feather or feather and fibre blend, combining support with a softer, more luxurious surface.

Seat depth

The distance from the front edge of the seat to the back cushion. Deeper seats suit lounging and taller people.

Seat height

The distance from the floor to the top of the seat cushion. Higher seats are easier to get in and out of.

Shapes and Configurations

Armchair or one seater

A single seat with arms on both sides. Our 1 seater leather sofas UK are often bought alongside a larger sofa to complete a room.

Two seater and three seater

Sofas designed to seat two or three people. Lengths vary considerably between designs, so always check dimensions.

Corner sofa

An L shaped sofa designed to fit into a corner, available in left hand or right hand facing versions.

Left hand facing and right hand facing

Describes which side the chaise or corner section sits on when you stand facing the sofa. Terms vary between retailers, so always check the diagram.

Chaise

An extended seat section that lets you stretch out your legs. Can be part of a corner sofa or stand on its own.

Modular sofa

A sofa made from separate units that can be arranged in different shapes.

Sofa set

A matching combination, often a three seater with a two seater or armchair. Our leather sofa sets UK sale are designed to coordinate across pieces.

Recliner

A sofa or chair whose back tilts and footrest rises, either manually with a lever or electrically with a button.

Wall hugger

A recliner mechanism that needs only a small gap behind it, as the seat slides forward when reclining.

Recliner Mechanism Terms

Manual recliner

A recliner operated by a lever, handle or by pushing back against the seat. Simple, reliable and does not need a power supply.

Power or electric recliner

A recliner operated by a motor, controlled with buttons on the arm or inside the seat. It can stop at any angle between upright and fully reclined.

Power headrest

A separately motorised headrest that tilts forward and back, useful for watching television while reclined.

Lumbar support

Adjustable support for the lower back, sometimes motorised, that helps keep posture comfortable over longer periods.

Rocker recliner

A reclining chair that can also rock gently when upright.

Swivel base

A base that lets a chair rotate, often combined with reclining or rocking functions.

Style and Detailing Terms

Chesterfield

A classic British design with deep buttoned tufting and rolled arms the same height as the back.

Button tufting

Buttons pulled through the upholstery to create a quilted, dimpled surface.

Channel stitching

Parallel lines of stitching that create raised sections, often vertical on backs.

Piping

A fabric or leather cord sewn into seams to define edges.

Contrast stitching

Stitching in a colour that stands out from the leather, highlighting seams.

Track arm

A straight, squared arm with clean lines, common in contemporary designs.

Scroll or rolled arm

An arm that curves outward, typical of traditional sofas.

Fixed back and scatter back

A fixed back has cushions attached to the frame. A scatter back uses loose cushions you can rearrange.

Care Terms

Conditioner

A product that nourishes leather and keeps it supple, applied every few months.

Colour transfer

Dye moving from clothing, especially new denim, onto pale leather.

Cracking

Dryness that causes the surface to split, usually from heat or lack of conditioning.

Putting the Glossary to Use

When comparing sofas, focus on three things: the leather grade and finish, the frame construction and the seat build. Together they tell you most of what you need to know about comfort and longevity. Style terms then help you find a look that suits your home.

If you are also considering an L shaped design, our guide to buying a corner sofa set online in the UK shows how to apply these terms when comparing product listings.

You can browse leather sofas in every shape and finish at Furniture in Fashion.

Frequently Asked Questions

What is the most durable type of leather for a sofa?

Full grain leather is generally the most durable, followed by top grain. Protected or pigmented finishes add resistance to stains and fading.

Is bonded leather real leather?

Bonded leather contains leather fibres but is made by bonding them with a synthetic coating. It is not the same as solid hide and tends to be less durable.

What does left hand facing mean on a corner sofa?

It usually describes the side the chaise or corner sits on when you face the sofa. Retailers define this differently, so always check the product diagram.

Which leather finish is best for families with pets?

Protected or pigmented leather resists scratches, spills and fading better than aniline finishes, making it a practical choice for busy homes.