Size 12 us 10 uk women's work
Zappos, USA
Massive selection of shoes with free shipping & returns. Plus their free VIP program gives express shipping, home pickups & loyalty points. Shoes up to size 16 US including wide shoes, with narrow shoes up to 13. Brands to suit all budgets including exclusive brands like Faryl which goes right up to 16 us. Ships to USA only.
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.
ASOS
Global online fashion giant with a huge range of shoes in size 9 uk (11-11.5 uk) from several brands. Many ASOS shoes go up to size 10 or 11 uk (12 or 13 us) with a small range in 12 & 13 uk (14 & 15 us) - all at affordable prices. Some reviews here suggest larger sizes can run small, so you may need to size up. Free shipping worldwide with minimum spend & free returns for most regions too.
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.
Low Heels, UK
UK online store shipping worldwide specialising in low heeled & flat shoes, boots & sneakers in size 8-11 uk (up to 45 eu). As well as her own exclusive designs up to 10 uk, Joanna stocks premium Brunate shoes (8-11 uk), Hogl sneakers (8-10 uk) & Toni Pons espadrilles (42-45 eu).
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.
Sam Edelman, USA
US designer known for modern luxe footwear at reasonable prices. Lots of styles available in size 11 us, with a good choice in size 12 and a small range now in sizes 13 and 14 us too. Smart fashionable boots and flats & gorgeous dressy heels too. Free US shipping & returns. They also ship worldwide using Borderfree, with all taxes and duties included at checkout.
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.
La Redoute UK
Big French brand with fashionable wide fit shoes up to size 10-10.5 UK or 45 European. They also do Veja trainers up to size 46 & major sports brands. Free 21 day returns & frequent promo codes.
Margaux, USA
Modern beautiful shoes, sandals & boots in 3 widths (narrow, medium & wide) up to size 45 eu (13.5 us) including half sizes. Free US shipping & returns. Also ships to Canada, UK, Europe, Australia, New Zealand, Japan and Brazil with all taxes included at checkout. Free 15 minute fit advice phone calls. Made to order custom wedding shoes also available. Shop in person in at their Bleecker St NYC flagship store.
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.
City Chic, Australia
Plus size clothing chain City Chic also does shoes & boots up to size 44 EU or 13 US/AU. They don't mention width, but they stock their sister brands Cloudwalkers (USA) & Evans (UK) which are wide fit only, so I assume City Chic footwear is wider fitting too. 90 stores across Australia if you prefer to shop in person.
Long Tall Sally, UK
UK brand LTS specialises in clothing for tall women & ships worldwide. Long Tall Sally shoes go up to size 46 EU. They also sell wide & extra wide shoes up to size 10 uk from sister brand Yours clothing. All feedback says LTS UK/US shoe sizes run small, so buy your EU size or go up a size (UK/US).
Jo Mercer, Australia
Premium fashionable shoes, sandals, boots & sneakers with a good range of styles in size 42 (11 au) and a few size 43 flats (12 au). 25+ stores across Australia. Free exchanges & store returns or $10 postal returns for Australia. Ships worldwide.
Naturalizer, USA
US brand founded in 1927 focused on fashionable comfortable footwear. Good selection of flats, heels (including wedding shoes), sandals, boots & sneakers going up to size 12 US in both medium and wide width. Limited size 13 range & some narrow size 11s. They ship worldwide via Borderfee with all taxes included at checkout. They've a special printable shoe size and width tool so you can get your size right. Now online only apart from their NYC store.