How to Choose Upholstery Leather: A Specifier's Guide

Aniline, semi-aniline or pigmented, full grain or corrected, and how to work out how many hides you actually need.

Leather is the one upholstery material where the vocabulary actively misleads people. Terms like genuine leather and top grain sound like quality markers and are closer to the opposite. Hides are sold by area rather than length, so ordering works nothing like ordering fabric. And the finish that gives leather its most beautiful hand is also the one that marks if a client puts a glass down on it.

This guide covers what the terms mean, how to match a leather to the job, and what to check before an order goes in.

01Finish: the decision that shapes everything else

How a hide is coloured and sealed determines how it looks, how it feels, how it wears and how it cleans. Everything else is secondary to this.

Aniline

Dyed all the way through with transparent dyes and left without a pigment topcoat. Nothing sits between you and the hide, so the natural grain, the markings and the depth of colour are all fully visible. It is the softest to the touch and the most beautiful leather made.

It is also the least protected. Aniline absorbs liquid, marks with water, darkens with body oils and fades in direct sun. It develops a patina, which is either the entire point or a complaint, depending on the client. Set expectations in writing before it goes into a family room.

Semi-aniline

Aniline dyed, then given a light pigment topcoat. Enough surface protection to resist casual spills and improve colour consistency, while keeping most of the natural grain and much of the hand. For most private residential projects this is the sensible middle position.

Pigmented

An opaque pigment layer and a protective topcoat over the surface. The most uniform in colour, by a wide margin the most durable and cleanable, and the least natural in hand. This is what hospitality, healthcare, marine and commercial seating almost always use, and there is no shame in it. A pigmented hide in a hotel lobby will still look presentable in eight years. An aniline one will not.

Aniline is the most beautiful leather and the least forgiving. Pigmented is the most forgiving and the least characterful. Nearly every specification is a negotiation between those two facts.

02Grain: what you are actually buying

This is where the terminology is at its least honest, and where the price differences are largest.

03Tanning

Chrome tanned accounts for the large majority of upholstery leather. It produces a supple hide, takes colour brilliantly across a wide palette, and is stable and quick to produce. If a supplier does not state the tannage, assume chrome.

Vegetable tanned uses tannins from bark and plant matter. Firmer, with a warmer natural tone, and it patinas more dramatically over time. Slower and more expensive to produce. Used for saddlery and for upholstery where the ageing is the intention.

Chrome free and metal free tannages are increasingly requested, both on environmental grounds and because some aviation and healthcare specifications require them. If your client is working to a sustainability standard, ask for the tannage and the tannery certification early, since it narrows the palette considerably.

04Specialist surfaces

• Nubuck. The grain side lightly sanded to a velvety nap. Beautiful hand, and it marks if you look at it. Best on low-contact pieces.
• Suede. Napped on the flesh side, usually a split. Softer and weaker than nubuck, and it attracts dust. Fine on a headboard, poor on a seat.
• Pull-up, waxed and oiled. Aniline hides charged with oils or waxes, so the colour lightens where the leather is stretched or folded. Scuffs blend back in with a warm cloth. Deeply characterful, and it never looks new, which is the point.
• Embossed. A grain pattern pressed into the surface, from fine pebble through to exotic imitations. Adds uniformity and can disguise a corrected surface.
• Perforated. Machine punched for ventilation, or to let sound through where the leather faces an acoustic panel. Check the backing, since a closed backing defeats both purposes.
• Metallic and patent. Surface effects applied over the finish. Striking in small areas, and they crack if worked over tight curves. Ask the tannery about minimum radius before committing.

05How leather is sold, and how much you need

Leather is sold by the hide, measured in square feet or square metres, and hides are not rectangles. They have a neck, a butt, two bellies and an irregular outline, and quality varies across that area. You cannot lay out cutting pieces the way you would across a roll of fabric.

A typical bovine upholstery hide runs somewhere around 45 to 55 square feet, roughly 4.2 to 5.1 square metres, though this varies by tannery and by breed. Hides are supplied whole and cannot be cut to a quantity, so orders round up.

Working out quantity

• Start from your upholsterer's fabric estimate in linear metres or yards.
• The trade rule of thumb converts roughly 1 yard of 54 inch fabric to about 18 square feet of leather. Treat it as a starting figure, not a final one.
• Add 15 to 20 per cent for cutting waste on straightforward pieces. Add more for small components, tight pattern layouts, or where all pieces must run in the same direction.
• Round up to whole hides.

Check component sizes against hide sizes before you commit. A long sofa back or a wide headboard may simply exceed the usable length of a single hide, which means a seam. That is a design decision worth making deliberately rather than discovering on site.

06Matching the leather to the job

Substance, the thickness of the hide, is quoted in millimetres. Around 0.9 to 1.2mm suits most residential upholstery, while heavier commercial seating often calls for 1.2 to 1.6mm. Thinner hides work more easily over tight curves and buttoning, heavier hides hold their shape and wear longer on flat panels.

07Natural markings, and managing the conversation

Scars, insect bites, growth wrinkles, brand marks and colour variation are evidence that the hide came from an animal that lived outdoors. On a full grain aniline they are visible, and on a good hide they are part of what you are paying for.

Clients who have only bought corrected pigmented leather from high street retailers frequently do not expect this, and the moment of discovery is usually the delivery. Head it off. Show a large cutting rather than a small swatch, point out the markings while it is still a sample, and put a line in your specification acknowledging that natural variation is inherent and not a defect.

The same applies to colour. Two hides from the same batch will differ slightly, and any hide will be lighter or darker across its own surface. A skilled upholsterer works with this by placing hides deliberately rather than trying to hide it.

08Performance data for contract work

Leather is tested differently from fabric, and a specification written for textiles will not translate cleanly.

• Abrasion. Where fabric is rated by Martindale or Wyzenbeek double rubs, leather durability is more often assessed by Taber abrasion and by flex testing. Do not expect a Martindale figure, and be wary of one that appears without explanation.
• Lightfastness. Rated on the blue wool scale. This matters far more for aniline than pigmented, and more again in Gulf and Mediterranean projects with high solar gain. Specify 5 or above for anything near glazing.
• Flexing and cracking. Relevant on heavily finished, metallic and patent surfaces, and on anything working over a tight radius.
• Fire. Leather is a cover material and is regulated as such. UK domestic upholstery falls under the Furniture and Furnishings Regulations, contract work usually requires Crib 5, and other territories apply their own standards. Our guide to fire safety regulations covers the requirements by market.

Request the tannery's technical data sheet for any contract specification. We can supply it for anything in our collection.

09Care, and what ruins leather

Routine care is simpler than most people assume. Dust regularly with a dry cloth, since grit is abrasive and does more long-term damage than anything else. Wipe with a barely damp cloth and dry immediately. Blot spills straight away rather than rubbing them.

What actually destroys leather:

• Baby wipes and household cleaning wipes. The alcohol and surfactants strip the finish, and the damage is not reversible.
• Saddle soap and generic conditioners on modern upholstery hides. Use only what the tannery recommends, and sparingly.
• Direct heat. Keep upholstery well clear of radiators and wood burners, or the hide dries and cracks.
• Direct sunlight, which fades aniline quickly and eventually embrittles any hide.
• Solvents and abrasive creams of any kind.

Aniline and pull-up leathers will patina regardless of care, and that is expected behaviour rather than failure. Pigmented leathers will hold their appearance longer but cannot be restored in the same way once the topcoat wears through.

Frequently asked questions