THE GREEN GUIDE: How sustainable are British fashion brands? Jessica Carroll rounds up the best of the bunch

Slow fashion champion Mother of Pearl prioritises transparency and sustainability over profit. Skirt, £168, Mother of Pearl, theoutnet.com

Beautiful maternity clothing that you can rent? A fabulous way to reduce clothing waste. Albaray dress, to rent from £20 for four days, forthecreators.co

We’re loving F&F’s new denim range, which uses fabric supplied by Jeanologia, a sustainable textiles company employing fewer chemicals and less water and energy in its production. Dress, £29.50, F&F, tesco .com

Omnes, a Living Wage Employer, is making great strides by offsetting more carbon than it emits. Trousers, £59, omnes.com

This customised one-off is among the preloved pieces in Mulberry’s pop-up (until 26 September, Poland Street, London ) for London Fashion Week . Bag, price on application, Mulberry x Stefan Cooke, mulberry.com

Planet-conscious brand Rosamund Muir uses only surplus-stock leathers for its luxe footwear. Shoes, £425, rosamundmuir.com