Why mending is worth your time

British households send roughly 300,000 tonnes of clothing to landfill or incineration every year, and textiles are one of the fastest-growing parts of the waste stream. Most of what we bin is not worn out. It is a split seam, a missing button, a hole in a sock or a jumper nibbled by moths. Learning a handful of stitches is the simplest low-carbon habit you can pick up, because the greenest garment is always the one you already own. Research suggests that keeping a piece of clothing in use for an extra nine months can cut its carbon, water and waste footprint by around a fifth to a quarter. That is a big return for twenty minutes with a needle.

There is a practical side too. A repair costs pennies where a replacement costs tens of pounds, and mending gives you a wardrobe that fits you properly rather than one you tolerate. You do not need to be a natural sewer. You need one small kit, four stitches and a bit of patience.

Building a basic mending kit

You can put together everything you need for under £15, and it will last years. Keep it in a tin or a small box with a lid so it does not migrate around the house.

• Needles: a pack of mixed hand-sewing needles. Sharp "sharps" for general sewing, a larger needle for darning wool, and a fine one for lightweight cotton.
• Thread: all-purpose polyester-cotton in black, white, navy and grey, plus a colour or two to match your most-worn garments. Cheap thread snaps; a mid-priced reel is worth it.
• Small scissors or snips kept for thread only, so they stay sharp.
• A seam ripper, which unpicks mistakes and old stitching far faster than scissors.
• A thimble for pushing through denim and thick seams.
• Beeswax or a candle end to run thread over — it stops tangling and adds strength.
• A darning mushroom or a smooth jam jar; a rounded surface holds fabric taut while you work a hole.
• Scraps of fabric, including similar-weight cotton and a bit of iron-on interfacing for reinforcing thin areas.
• Pins and a couple of safety pins, plus tailor's chalk or a soft pencil for marking.

Four stitches that cover most repairs

Start with these and you can handle the great majority of everyday damage.

• Backstitch: the strongest hand stitch, ideal for re-sewing a split seam or repairing a shoulder strap. Work from right to left, bringing the needle up a couple of millimetres ahead, then back into the end of the previous stitch.
• Running stitch: a simple in-and-out line for gathering, hems and light repairs. Keep the stitches small and even, about 3mm long.
• Ladder stitch: use it to close a seam invisibly, such as a cushion cover, a soft toy or a gap under the arm. Sew across the opening, picking up a tiny bit of fabric on each side, then pull gently and the stitches disappear into the fold.
• Whip stitch: a spiral of stitches over two edges, perfect for joining felt, securing a patch and mending the edge of a blanket.

Whatever you are doing, tie off on the inside where you can, and anchor your thread by taking two tiny backstitches in the same spot rather than a lumpy knot.

Patching, darning and visible mending

Holes are where mending gets interesting. For a hole in knitwear or a sock, use a darning mushroom and weave a small lattice of threads across the gap, following the direction of the knit, then weave across it at right angles. Wool or cotton mending yarn works better than sewing thread because it moves with the fabric.

For jeans and work trousers, cut a patch from similar-weight fabric, slightly larger than the hole, and place it behind the damage. Pin, tack with long running stitches, then whip stitch around the edge or run lines of stitching across the worn area. A patch stitched on by hand will outlast an iron-on one, which tends to lift at the corners after a few washes.

If the repair will be visible anyway, lean into it. Contrasting thread, a neat row of Sashiko-style running stitches in a grid, or a patterned patch can turn a mend into a feature. This is often the difference between a garment you stop wearing and one you reach for more often.

Common repairs, quick fixes

• Loose buttons: strengthen the thread behind the button with a tiny square of fabric or a second smaller button, and wind thread around the shank so it sits proud of the fabric.
• Split seams: turn inside out, pin, and backstitch just inside the original line of stitching.
• Worn elbows and cuffs: reinforce early, before a hole appears, with a thin patch or lines of running stitch.
• Laddered tights and thin socks: a drop of clear nail varnish stops a ladder spreading while you decide.
• Sticky zips: rub with a pencil lead or a little beeswax rather than replacing the whole zip.
• Frayed hems: re-hem by hand with a running stitch, or use iron-on hemming tape for a quick, if less durable, fix.

Mend together, and know when to let go

Mending is easier and much more enjoyable with company. Repair cafés have spread across the UK and are usually run in libraries, church halls and community centres, with volunteers happy to show you how to tackle a zip or a torn lining. Sewing circles, knitting groups and adult education classes offer the same thing: a table, a kettle and someone who has done it before. Teaching a child to sew on a button is also a genuinely useful life skill, and it builds the habit early.

Some things are worth passing to a professional — a cobbler for resoling good shoes, a tailor for a complicated zip or a jacket lining. And some garments are beyond saving: fabric that has gone thin and rotten across a whole panel will not hold a patch for long.

When a piece really is finished, keep it out of the bin. Charity shops take wearable clothing, and textile banks accept worn-out items for recycling into insulation, stuffing and wiping cloths. A growing number of councils collect textiles at the kerbside. But before any of that, reach for the needle. Most of what we throw away has years of wear left in it.