Size 11 us 9 uk, 43 women's slippers
DSW, USA
Designer Shoe Warehouse is a discount shoes & handbags chain with many stores across US & some in Canada too. Shoes available online up to size 13 US. Larger sizes may not be as common in store. Free US shipping, exchanges & store returns. Free VIP rewards program with perks.
Cinderella Shoes
Women's shoe store specialising in large sizes 8-13 uk (up to 15 us or 47 eu), including half sizes. Huge range of smart & casual footwear from 25+ European shoe brands including their own exclusive labels. Growing range of wide width styles. Ships worldwide from Ireland with taxes paid for UK, US & Australia orders.
Crispins Shoes, UK
150+ 5 star Google reviews. Extensive range of premium quality shoe brands up to size 12 UK (46 EUR or 14.5 US). Flat rate or free delivery to UK. No extra charges on delivery for EU orders & flat rate shipping. Crispins ship worldwide or visit their London store.
Simply Be, UK
Plus size clothing store with hundreds of size 9 uk shoes & a few size 10s. Mainly their own brand wide fit (E) and extra wide fit (EEE) shoes. They also have standard width size 9 shoes from other brands. Casual shoes & boots, slippers & dressy shoes including bridal. Ships to UK & Ireland with free returns.
Amazon.com
You can get great deals on large size shoes at Amazon with a bit of patience. Their own Amazon Essentials range does fashionable styles at great prices up to size 15 US. The women's shoes department goes right up to 16 US, although many of the largest sizes will either be Chinese brands or unisex. If you have Amazon Prime, many shoes are eligible for free, fast shipping. Plus you can even try before you buy.
TK Maxx, UK
Discount chain TK Maxx have a good selection of size 9 uk shoes online, with a few larger sizes if you're lucky. Order online for click & collect or home delivery. They've 300 stores across the UK with new deliveries every week, but branches can be hit and miss for big shoe sizes.
Adelante Shoes, USA
Leather shoes, boots, sandals & slippers made to order in Guatemala. Customizable styles in full & half sizes up to 15 us. 7 widths available from narrow to super wide. Book a free virtual fitting for help choosing the right size. Free US shipping, exchanges & returns for store credit. Ships worldwide.
Styletread, Australia
Australian owned online shoe superstore with a huge range of brands & styles. Styletread have thousands of size 11s, around a thousand size 12s & a few hundred size 13 & 14 women's shoes. Brands including Django & Juliette, Ziera, Supersoft, Diana Ferrari and Blowfish. Free 30 day returns & free express delivery when you spend $65.
Bared Footwear, Australia
Podiatrist founded brand for stylish comfy footwear of all types, from casual to work to bridal. Unique footbed "fit kits" mean styles can be customised for both narrow and wide feet as well as half sizes. They've a few stores in Australia and offer free shipping & returns worldwide with taxes included for UK orders.
Wolf & Badger
Designer & luxury shoes from independent brands around the world, with loads of size 9 uk shoes, plenty of 10s & 11s, some 12s & even a few 13s. Separate slippers category, mainly up to size 10. Advantages of buying from Wolf & Badger are that all taxes are included at checkout and there are free returns worldwide. London store at King's Cross but large size shoes may not be in stock.
Very, UK
Online department store with several footwear brands up to size 9 uk including Dorothy Perkins, River Island and a few of their own exclusive V by Very styles. They also stock Yours & City Chic wide fit shoes up to 10 uk & Long Tall Sally range up to 13 uk (but that only fits 12 uk). One advantage of buying via Very is your get free 28 day returns.
Debenhams, UK
Now online only, Debenhams do loads of size 9 uk shoes from brands including Paradox & Hotter, Where's That From & Yours up to size 10 uk & LTS up to size 12 uk (size up in LTS). The shoe size filter is a bit unwieldy, so here's quick links to all size 9, size 10 and wide fit shoes. Free delivery & returns.
John Lewis, UK
Famous department store with lots of size 9 uk women's shoes, boots & trainers online along with a few wide fit styles & size 10s. Several brands including Sam Edelman, Hotter and occasion wear / bridal styles from Paradox and Rainbow Shoes. Heads up: they have lots of LK Bennett size 9s, but I think these 42s aren't proper size 9s unfortunately.
Dream Pairs, USA
20% off with code PrettyBigShoes
Fashionable shoes & boots at good prices. Loads of size 11 US styles with a smaller size 12 range. While they do wides to size 10 w, I find this Dream Pairs run narrow overall. Particularly good for dressy sandals & boots. Slippers also available. They ship direct to USA and have online stores for the UK & Germany. Dream Pairs also sell on Amazon shipping to more countries including Canada & mainland Europe.
UGG Express, Australia
Australian owned chain for 30 years. Select ugg boots, sheepskin slippers & flat walking sandals available in women's sizes 11-13 AU (42-44 euro).30 stores across Australia. Ships to Australia (free shipping for $60+) & New Zealand. You need to pay return postage in most cases.
Poppy Barley, Canada
Sustainable quality shoes, sandals & boots in sizes 11, 11.5 and 12 us. Ships to Canada and USA with free 30 day returns. Stores in Edmonton & Calgary in Canada. Free loyalty rewards program. A few times a year, they run a "made to order" service where you can order narrow and wide width styles.